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Operator
Good day and welcome to the second fiscal quarter earnings conference call. All lines are currently in a listen-only mode. Later you will have the opportunity to ask questions during the question-and-answer session. And please note today's call is being recorded. It is now my pleasure to turn the conference over to Juan Pablo Tardio, Vice President and CFO.
Juan Pablo Tardio - VP & CFO
Thank you and welcome, everyone. With us today are Hans Helmerich, Chairman and CEO, and John Lindsay, President and COO. As usual and as defined by the US Private Securities Litigation Reform Act of 1995, all forward-looking statements made during this call are based on current expectations and assumptions that are subject to risks and uncertainties as discussed in the Company's annual report on Form 10-K and quarterly reports on Form 10-Q. The Company's actual results may differ materially from those indicated or implied by such forward-looking statements.
We will also be making reference to certain non-GAAP financial measures such as segment operating income and operating statistics. You may find the GAAP reconciliation comments and calculations on the last page of today's press release. I will now turn the call over to Hans Helmerich.
Hans Helmerich - Chairman & CEO
Thanks, Juan Pablo. Good morning, everyone. We posted solid results for the Company's second quarter considering the sideways nature of the land drilling business since the beginning of 2013. Perhaps some of the lack of customer urgency is found in the ongoing macro uncertainty we all read about, including concerns around China, continuing clouds over Europe and recently oil prices falling below $90 per barrel.
Of course the last item, oil prices, remain to the driver for the energy space and critical to our business, particularly now with nearly 95% of our fleet directed toward oil and liquids rich drilling. Our assumption is that oil prices show resiliency in the mid-$80-plus range which we believe would be enough to accommodate gradual growth in activity as we move through 2013.
One pleasant surprise has been the nice recovery in natural gas prices as they approached the mid-$4 range with the aid of a lingering winter. While at some point improving natural gas prices will show up in an improvement of the gas directed rig activity, for now better pricing helps boost our customers' cash flows and improves the economics of projects where associated gas is significant.
So in a steady state market, or more likely one with slow growth, how would we expect to fair? We have mentioned before some advantages we have in this environment. Customers are deliberate with their budget dollars and become increasingly discriminating with the service providers they engage. Even more so as they shift into a developmental phase of their drilling projects where consistency and performance, safety and additional efficiency capture all become important differentiators.
We would expect this to help us again to gain additional marketshare and appeal to first-time customers with similar aspirations. This environment also helps to moderate industry capacity additions. By our estimate 80 to 90 AC rigs throughout the US land industry are currently sidelined and we anticipate newbuild additions of AC-Drive rigs to be around 75 or less for this calendar year.
Our own plans remain unchanged which is to take advantage of the flexibility we have in our manufacturing effort and carefully monitor newbuild demand as it develops for the rest of 2013. We are pleased today to announce two multi-year term contracts for new FlexRigs for work in the US. In addition, the Company entered into an agreement to build our first new 3000 horsepower AC-Drive rig, also under long-term contract, which is scheduled to begin operations in Colombia in the Spring of 2014. We believe there is additional potential in the future for large horsepower AC-Drive rigs and we are pleased to secure this project.
Since the beginning of our fiscal year in October we have completed 20 rigs under term contracts, eight of those have been completed since the beginning of this calendar year. Our plan for the next few months is to continue a build cadence of two rigs per month in light of our expectation for improving customer demand. This is in keeping with our expectations that the oil field will see a slow improving level of rig activity during the rest of the year.
Also on this call we wanted to provide some color around a couple of issues we have been asked to comment about in the last several weeks. One is the announced decision of one of our competitors to discount spot rates in an attempt to in essence buy up their activity rates. While we question the efficacy of this strategy longer term, we are responding to the resulting market tension this has created and estimate that the impact on us will result in around 2 or 3 percentage points of downward pressure on spot rates in average during the third fiscal quarter.
The market votes with its dollars and over time pricing tends to reflect thoughtful choices regarding performance and overall value proposition. We have shown that performance is differentiated and will be rewarded through premium margins and higher activity levels.
The other issue we have been asked about deals with the difference between two standard options of mobilizing a rig on a pad drilling application. The main choice is between skidding the rig on a rail system or a lift and roll method known as a walking rig or stomper. Both systems in some form have been or around since the 1970s beginning offshore.
Some of our competitors have been padding their walking rigs to investors lately and we are happy to have the discussion. We'd start by saying that our first experience with skid systems dates back to 1992 with conventional land rigs and in 2004 with FlexRigs. Learning from that experience and listening to our customers' input and feedback the skidding remains our system of choice today.
Our customers helped us choose the skidding system as a more elegant design and engineering solution on our way to building over 100 pad capable rigs over the last eight years. Whichever mobilization method is utilized, we realize what matters to the customer is the overall well cycle performance that can be consistently achieved.
To put it into perspective, the time the rig is moving on the pad represents for us considerably less than 10% of the overall cycle time. The drilling of the well and other associated activities make up more than 90% of the well cycle. So the larger issue will continue to be the overall quest for increased efficiency through the entire well cycle spud to spud.
The fact that every one of our pad capable rigs are AC-Drive helps us to safely and consistently improve performance and deliver value for our customers. We continue to get better at doing just that through a combination of our people and systems and using the best tools available. I will now turn the call back to Juan Pablo.
Juan Pablo Tardio - VP & CFO
Thank you, Hans. As announced earlier today, the Company reported another strong quarter with over $150 million in income from continuing operations. Our balance sheet is in great shape with a debt to equity ratio of approximately 6% and total assets now exceeding $6 billion. Net cash provided by operating activities totaled $494 million during the first six months of the fiscal year and capital expenditures reached $438 million during the same period.
We have increased our capital spending estimate for fiscal 2013 to $850 million. Approximately 60% of this total is related to our new build program, 25% to maintenance CapEx and the remainder to tubulars and other special projects.
Our depreciation estimate for the year remains at $450 million and our general and administrative expense estimate for the year remains at $125 million. Our interest expense estimate, which is net of capitalized interest, also remains at approximately $5 million during fiscal 2013.
Our tax rate for continuing operations for the first six months of the fiscal year was approximately 35% and is expected to remain at that level during the remaining two quarters of the fiscal year. The holdings in our investment portfolio remain unchanged as compared to the prior quarter and recently had a total pre-tax market value of approximately $450 million and an after-tax value of approximately $290 million.
I will now turn the call over to John Lindsay and after John's comments we will open the call for questions.
John Lindsay - President & COO
Thank you, Juan Pablo, and good morning, everyone. We had another strong quarter in all three of our operating segments -- US Land, offshore and International Land. We believe our strategy of investing in our people, new technology and improved systems is paying off as the demands intensify for faster and faster well cycles in the unconventional plays.
Our customers not only expect more from our FlexRigs in terms of performance, but they also expects safe, consistent and reliable operations. And our belief is a better technology solutions more effectively deliver on those expectations.
I will begin the operating results discussion for the second fiscal quarter with our US Land segment where US Land operating income decreased 3.6% quarter over quarter to $226 million and revenue days increased 104 days to 21,847 days representing approximately 243 average active rigs in the quarter as compared to 236 rigs active in the prior quarter.
We experienced a mix of term and spot market rigs for the quarter that averaged approximately 161 rigs and approximately 82 rigs respectively. Average rig revenue per day increased by $215 sequentially to $28,255 per day. Early termination revenue in the quarter accounted for approximately $30 per day as the increase.
Average rig revenue per day for rigs working on term contracts during the first fiscal quarter was approximately 8% higher than average rig revenue per day for rigs working in the spot market. This difference is primarily attributable to the mix of FlexRig models and operating regions in these two categories.
As expected, our US Land average rig expense per day increased for the second fiscal quarter. The expense per day had a net increase of $451 per day to $13,085 with approximately $174 per day of the increase due to a bad debt reserve recorded as a result of a small customer filing for bankruptcy during the quarter. However, excluding this bad debt reserve our expense per day would have been in line with our expectations of $12,900 per day.
On the last call I spent a significant amount of time talking about our cost management efforts, so I won't go into that great detail on this call, but I would like to recognize the efforts of all of our people that were responsible for the great results in the second quarter.
As you have heard us describe, historically the second fiscal quarter has significant expense per day seasonality as compared to the first fiscal quarter in a range averaging $500 to $1,000 per day. And that seasonality for the second fiscal quarter of 2013 was dramatically improved. A year-over-year comparison shows our expense per day in 2013 improved by approximately $800 per day as compared to last year's second fiscal quarter.
Average margin per day decreased by $236 per day to $15,170 for the second fiscal quarter and was also negatively impacted by the bad debt expense.
Hans mentioned earlier we announced two newbuild FlexRigs with multi-year term contracts. Those newbuilds are designed to drill wells on multi-well pad locations. The first newbuild is a FlexRig3 for the Permian basin and the second is a FlexRig5 destined for the Niobrara in Colorado.
Hans also talked about our skid system design and our customers' preference over the walking stomper type systems. We have a current roster of 27 customers that utilize the 100 plus skid systems that are in service today and we continue to have new customers that are adopting the use of the skid system.
We have confidence the skid system delivers value and is superior to the other systems. I believe those customers know what they want and like what they are getting from H&P in terms of skid times on the pad, move times between pads and drilling performance during the remainder of the well cycle. The customers represented are large and small independents as well as major oil companies and continue to contract more of our skid systems.
Now let's shift our focus to the third-quarter operational outlook for H&P's US Land segment. I want to preface our outlook regarding activity and expected margins with some assumptions regarding commodity prices of the WTI being in a range of $85 to $95 per barrel and natural gas prices being above $3.50.
Today our rig count of 246 rigs continues to lead the industry rig count, an increase from 239 rigs on December 31. H&P also has captured approximately 41% marketshare of the AC-Drive rigs working today. In contrast our three largest competitors combined active AC-Drive fleets capture approximately 39% of AC market share in the US compared to H&P's 41% and make up 51% of their total working fleet as compared to 100% of H&P's.
Another area we have an advantage is in term contract coverage. We currently have 161 FlexRigs under term contract and 85 operating in the spot market. Today we have 56 idle rigs including 21 AC-Drive FlexRigs. Of the 21 stacked AC rigs, approximately half of those rigs were working in the last quarter.
Our rig activity has been steadily improving but at a slow rate of increase. For the third fiscal quarter we expect revenue days to be up approximately 2% to 3% and average revenue per day to be down approximately 1%. We expect third-quarter expenses to be in the $12,900 a day range with a range of plus or minus 1% to 2%.
To date we've not received any early termination notifications for the third fiscal quarter. Our term contract coverage for future quarters remains strong. We currently have an average of 158 FlexRigs already under term contracts for the third fiscal quarter of 2013, an average of 146 FlexRigs for the fourth quarter of fiscal 2013, and an average of 110 rigs for all of fiscal 2014.
Excluding costs that are passed on to customers we now expect average rig revenue per day for our rigs on term contracts to remain relatively flat for the two remaining quarters of fiscal 2013 and to increase by approximately $150 per day, an average during fiscal 2014. This is compared to the average rig revenue per day for rigs under term contract during the second fiscal quarter of 2013. Keep in mind that these references are only for rigs that are already under term contracts and exclude any future term contracts.
Now a few comments regarding the offshore segment results for the second fiscal quarter. Our offshore operating income decreased by approximately $1.4 million to $13.7 million as compared to the prior quarter. Revenue days increased by 2% to 720 days as utilization remained constant at 89% for the segment. Average rig margin per day decreased by $944 sequentially to $24,838.
The outlook for offshore as of today as a segment has eight rigs active and one rig stacked; we expect eight rigs to active throughout the third fiscal quarter. As compared to the prior quarter, we expect offshore revenue days to be up approximately 1% as we continue to operate with eight active rigs. We expect offshore margins to be relatively flat as compared to the previous quarter.
Now a review of the International Land segment where operating income increased by approximately $4.1 million to $13.2 million. The primary factor driving the improvement was early termination revenue of $5.3 million. Revenue days decreased 10% to 2,023 days as overall segment utilization declined from 85% to 78%. Average rig margin per day increased $2,653 to $11,053; of the increase approximately $2,600 per day is related to early termination revenue.
The outlook for International activity has improved since our first fiscal quarter call. Today the International Land segment has 24 of 29 rigs working of which 15 are AC-Drive FlexRigs. The active rigs by country include six rigs in Colombia, six in Argentina, five in Ecuador, three in Bahrain and two in both the UAE and Tunisia. We currently have a total of five rigs idle, three in Argentina, one in Colombia and one in Ecuador.
As a result we expect International Land revenue days to be up approximately 5%. Nonetheless excluding the effect of early termination revenue, we expect International margins to be down approximately 10% to 15% as compared to the previous quarter primarily due to labor interruptions within our South American operations and costs associated with rigs transferring between locations to begin operations.
The past three quarters have all experienced some choppy activity related to rigs being in transition between countries and projects, but we believe this should improve in the fourth quarter.
We are pleased with the announcement of our first 3000 horsepower AC-Drive rig. This rig will work in Colombia and is scheduled to be delivered in the spring of 2014 and we'll talk more about that rig in the future.
In closing, we have all read multiple headlines over the past six months with questions regarding the impact of rig efficiency on the US Land rig count, the number of wells delivered per rig and how that will impact the rig count going forward. A lot of variables will drive the rig count, but from our perspective those drilling contractors that can deliver the best value to their customers in terms of a lower cost per foot and additional wells per year will be the contractors that grow and take marketshare.
We continually monitor our FlexRig performance and one of the metrics we track includes the performance for the complete well cycle from spud to spud. FlexRig performance results from 2010 to year-to-date 2013 reflect the following average rig efficiency trends across all basins we work.
Footage per day increased in a range of 34% to 44% while well lengths increased a little over 20% in an increasingly complex horizontal well environment. In addition to the footage per day improving, FlexRigs have delivered efficiencies that on average delivered an additional 10% to 30% more wells per year depending upon the area.
We've commented for at least the past eight years the FlexRig is a catalyst for better performance and customers would be willing to pay a premium for the value delivered. The FlexRig design strategy addresses all aspects of the well cycle and we continue to innovate and improve the process.
Finally, we believe our customers are demonstrating their preference with their continued support and collaboration with H&P to contract newbuild FlexRigs that has enabled us to grow marketshare since 2006. And that completes my operating segment remarks and now I will turn the call back to Juan Pablo.
Juan Pablo Tardio - VP & CFO
Thank you, John. And now (technical difficulty) we can open the call for questions.
Operator
(Operator Instructions). Robin Shoemaker, Citi.
Robin Shoemaker - Analyst
I wanted to just clarify what you were saying about the expected drop in spot pricing. So you were indicating that 1% down in the next quarter in terms of margin and then ultimately 2% to 3% is the deterioration you expect. So how do you kind of arrive at that number? Do you think we have -- we are bottoming out in terms of pricing pressure?
Hans Helmerich - Chairman & CEO
Well, let me just clarify, Robin, this is Hans, that the 2% to 3% was addressing the spot rates. Then as you include the term coverage, which is close to two-thirds, then going to the third quarter we are looking at a 1% possible diminishment. So it is a little bit less than what you said, but just for clarity.
Robin Shoemaker - Analyst
I see, okay. So basically then the 2% to 3% has already happened in terms of the spot rate and then it's blended with the term rate. So are the idle AC-Drive rigs, you mentioned the 21, are they -- what are the prospects for them going back to work either on a spot or term market in the current quarter?
Hans Helmerich - Chairman & CEO
Well, I think we are positive about it. Those rigs are already to work; we would be open to either term or spot work. They are spread over several basins. And so, it gets back to the thought that we are going to see some activity improvement and strengthening in the current quarter and then as we go through 2013. And we would expect those rigs -- I would like to think all those rigs go to work by the end of our fiscal year, but we'd expect to see some take-up in that idle capacity.
John Lindsay - President & COO
And, Robin, this is John. I might also add, those 21, I had commented that approximately half of those were working in the last quarter, so imply in that some of the rigs that were stacked last quarter went back to work.
So there is this -- kind of this churn that we talked about and again our hope would be that we continue to put the rigs to work, but we have less rigs that are released and there is just all kinds of different reasons that they get released. But our hope would be that those rigs would begin to -- or we would have fewer stacked rigs in the coming quarters.
Robin Shoemaker - Analyst
Right, okay. And you are negotiating in some cases term contracts on currently idle rigs or would you expect them all to go to work on the spot market?
John Lindsay - President & COO
It's been a combination of both.
Robin Shoemaker - Analyst
Okay.
John Lindsay - President & COO
Yes, we have had both.
Robin Shoemaker - Analyst
All right. Thanks a lot.
Operator
Dave Wilson, Howard Weil.
Dave Wilson - Analyst
Thanks for taking my call. Hans and John, appreciate the comments on your skidding rigs, but I was just wondering do certain areas more it more advantageous for a skidding rig versus walking or vice versa or is it fairly agnostic?
And then as kind of a follow-on there, are you aware of losing out on a re-contracting opportunity or an opportunity, for that matter, solely on the basis that it was a walking rig versus what you guys had to offer?
John Lindsay - President & COO
Dave, this is John. I think the customer's agnostic, I don't think they care whether we are using a skid system or a lift and roll or walking or stomper system. As it relates to the newbuild environment, I think there has obviously been some traction with the walking and stomper systems with older rigs because it accommodates that older structure and that is advantageous and will be for some -- for I think a fairly short period of time.
But kind of like I said in my comments as well as Hans did, we continue to see rigs contracted, new build rigs, four of the last five that we have contracted were rigs that were pad drilling systems with skid applications. We continue to have a lot of demand for that. I am not aware of a particular rig line that we have lost. I don't know the specifics there. But what I do know is that we continue to have customers pick up the systems and add systems to existing rigs.
Dave Wilson - Analyst
Great, thanks for that. And then, Hans, just kind of an unrelated follow on, and not that there is really indication or change, but do you suspect looking out the way the land rig market is evolving in such a way that there are going to be more rigs in the spot market versus term than there are today? In other words, do we need to get used to seeing more rigs in the spot market or is it too early to say?
Hans Helmerich - Chairman & CEO
Dave, it may be too early and a lot of that is what the market serves up. At the same time, we have got a nice profile and split between term and spot rigs. And I don't think there is a built in bias for that moving down, meaning the term coverage moving down.
The numbers we give you in terms of the 158 for the third quarter and then how that plays through, as you know those are static numbers. So when we signed a term contract we add that. So I don't have any reason to think that that mix or profile would change significantly and we will just kind of see where the market takes us.
Dave Wilson - Analyst
Okay. Great, thanks for the additional comments. I will turn the call back over.
Operator
Michael LaMotte, Guggenheim Securities.
Michael LaMotte - Analyst
First question, John or Hans, I don't know which of you wants to address it.
Hans Helmerich - Chairman & CEO
Depends on how hard it is.
Michael LaMotte - Analyst
(Laughter), with the Saudi rig count looking to go up 30 some odd rigs and large tenders out there, is that a market that you all would consider moving into? And frankly looking at the tenders are they of interest to you?
Hans Helmerich - Chairman & CEO
Well, I will start and then John can add. We do have a better presence and footprint in the Middle East than we have ever had and we have had nice performance from the FlexRigs we have there. Our difficulty in Saudi Arabia has been up more contractually driven and trying to work through some of those issues and then just looking at the types of potential returns.
Clearly when they are in an up ramp mode and adding rigs and we have heard it expressed that they're very interested in having FlexRigs in-country -- I would still like to think that we are going to have an opportunity to be over there. We don't have anything on the plate right now.
John Lindsay - President & COO
Yes, Michael, I don't have much to add other than just to echo what Hans said as far as the performance. And we have two Flex 3s in Abu Dhabi, as you probably know, and those rigs are really performing well, great safety performance, great rig move performance, well cycles are much quicker than what they anticipated and we are even doing a little bit of science work on the wells also.
So I have been very pleased and I think we have opened a lot of eyes in the Middle East. So, yes, we would be hopeful that that would happen in the future.
Michael LaMotte - Analyst
Okay, thank you. Hans, on the issue of cash return, I think you have been frankly amongst the clearest in terms of defining the spectrum of opportunities -- here is our cash flow, it will either go to growth or get returned.
I am wondering if in the conversations that the Board has had over the last couple quarters on this topic, if there has been anything you can say about whether distributions would continue to be annual or whether you would consider to move to a variable dividend structure that is biannual or even quarterly.
Hans Helmerich - Chairman & CEO
Yes, I appreciate the question and we had our last dividend increase that came from our December meeting. And it is something, Michael, that the Board continues to look at and we have considered different versions of a variable dividend that you are talking about. It will -- I think it's a project in progress.
I think the Board is very supportive and would say that there is additional headroom going forward in a dividend of some kind. And then whether or not we would move the timing of that up prior to a December meeting, I think there is a possibility of that. So all of those things are on the table and influx, no clear direction that I can provide right now on this call except to say that we continue to study that carefully.
Michael LaMotte - Analyst
Okay, thank you for the clarification.
Operator
(Operator Instructions). Byron Pope, Tudor Pickering Holt.
Byron Pope - Analyst
Hans or John, just wanted to get your thoughts, I realize the overall US Land rig count has been -- activity has been flattish year to date. And in thinking about your 2021 idle AC rigs versus the two rigs -- newbuild rigs per month that you are going to continue to build. Is there any meaningful distinction between those 20, 21 idle rigs in terms of the characteristics of those rigs versus the two rigs per month that you are going to continue to build at that might suggest that it might be harder to put some out those currently idle AC rigs back to work as we step through the next two or three months?
Hans Helmerich - Chairman & CEO
I don't think that there is a stranded model out there, if you will.
Byron Pope - Analyst
Right.
Hans Helmerich - Chairman & CEO
I think that it's a situation where we are not dissuaded or feel overwhelmed that, hey, we have some capacity, how does that flow back into our manufacturing plans. And, Byron, you remember, we have talked about as we consider our go-forward on our cadence -- we have had the nice situation where everything we have built to date for a long, long time has been under contract.
And when we made the announcement in the fall that we were going to go to two rigs in 2013 starting in 2013 we knew that we had a couple rigs in January and I think one in February under contract. And so these most recent newbuild orders help us keep moving that to the right.
So now we have one left under contract to deliver and now here is kind of the junction we are at now is we can take some of that equipment from the supply-chain and unitize it and have it be capital spares or it also lends itself to being new completed rigs. And so what our plans are today to go forward for a few months, and we will have obviously more information on the July call if not before that, and we'll give a better indication of, okay, well are you converting those to new rigs, are those capital spares? But we have that type of flexibility.
And based on conversations we are having with customers I would like to think that we are going to be able to stay with completing and putting rigs out under contract. But if it came to a point where we ended up with half a dozen or a dozen or so rigs that we ended up building out on our own account we would be willing to do that as well. So part of it is a read of how we see demand developing forward and I think being somewhat optimistic about that. And that is driving our thinking and our plans right now.
Byron Pope - Analyst
Very helpful. Thanks, Hans, appreciate it.
Operator
Michael Cerasoli, Goldman Sachs.
Waqar Syed - Analyst
Hi, this is actually Waqar Syed from Goldman. Just a couple of questions. Number one, something related to Byron's question as well, but you were the first in this new design AC system rig. And as you look back at some of your earlier rigs, FlexRig3s, and compare them to the FlexRigs that you are building today, the FlexRig3s, is there different equipment on that rig in terms of performance? And as you look at the performance of these rigs do you see any material difference between the rigs built several years ago versus those being built recently?
John Lindsay - President & COO
Hi, Waqar, this is John. The Flex 3s were the first AC-Drive rigs we built of course in 2002 and we built 32. Those 32 have continued to receive upgrades and learnings that we have had over the years that we then put into what we would call maybe the second-generation Flex 3, if you think about it in those terms.
So if you look at performance in the field, there isn't a difference in the performance in the field. We have upgraded operating systems, we have added equipment that we didn't have on originally in 2002 like hydraulic catwalks as an example. We didn't have hydraulic catwalks then, we didn't have casing running tools back in that time frame. And like I said, we have had software improvements and then just the monitoring that we are able to do.
So, yes, there is really not any material difference in performance. But we are also of course building different rigs today than we did then. We didn't have Flex 5s then, we didn't have Flex 4s, and those rigs have of course targeted certain market segments that the Flex 3 wasn't aimed at.
So, but again, those 21 rigs that are stacked, again another way to think about it, as I have already said, half of those worked, but they are also spread across eight to ten different basins. So you don't have a large -- it's not like you have a whole lot of rigs just hanging around that are waiting to go to work. There is still demand out there, we are continuing to bid those rigs, we're continuing to have interest from customers for those rigs.
Waqar Syed - Analyst
Great. Another question like if you find a need what would it take for you to convert a normal FlexRig into like a skid system rig? How much would it cost?
John Lindsay - President & COO
Well, the Flex 3s, we continue to do that. I mean we continue to have customers asking us to add the pad system to the Flex 3s. And probably an average number is around $1 million to do that.
Waqar Syed - Analyst
Okay. And is there any down time associated with the change?
Hans Helmerich - Chairman & CEO
Well, there is an installation process during -- that happens on a rig move, a lot of it is done off-line. But there is a day or two period of time that you are having to do some welding that you wouldn't want to do during the well.
Waqar Syed - Analyst
Okay. So bottom line any rig that you have right now AC system could be converted into a (inaudible) type drilling rig with investment of about $1 million and one day of downtime, is that fair?
John Lindsay - President & COO
The rigs that are not pad application rigs right now, which would be Flex 3s of course Flex 4S' and Flex 5s are original design pad rigs. So, yes, the Flex 3's can be upgraded. We're continuing to upgrade, I don't have the exact number, Waqar, but we probably had between 15 and 20 upgraded over the last six to -- 6 months or so. I mean something like that. So, yes, it has continued and I think it will continue.
Waqar Syed - Analyst
Now secondly, in terms of the sort of debate about a walking system versus a skating system, let's take hypothetically that customers start to ask for a walking system. Do you have a design that you could put on a rig?
John Lindsay - President & COO
We have, it's interesting, again as Hans alluded to, the systems have been in existence since the 1970s. And over the years we have made conscious decisions and then -- really our customers helped us make conscious decisions in 2004 and then again in 2005 and 2006, and that is why we have the systems that we have.
So, yes, if we had a customer that said, hey, we really want walking systems, it is a better application for this particular well configuration; then sure, we could do it. It's not rocket science. It is something that we can add to it. But we just really haven't had demand from our customers to do it. They've been satisfied with the systems that we have had.
Waqar Syed - Analyst
Okay. And the 3000 horsepower rig that you are building for Colombia, how much more expensive would it be versus your current rigs that you are building for the US market, the 1500 horsepower rigs?
John Lindsay - President & COO
I don't know that we are prepared to talk about that right now, Waqar.
Waqar Syed - Analyst
Okay.
John Lindsay - President & COO
I mean it is a much larger rig, so it's going to be more expensive. It also has camp, it also has multiple tubular strings. It not a -- you don't go out with just a 5-inch string of pipe. You have got multiple tubular strings, and as well as BOPs. So it is really not a fair comparison. But what I will say is that our returns, our expectations from that perspective is going to be in line with what our expectations have been with FlexRigs.
Waqar Syed - Analyst
Okay. All right, that is all I have. Thank you very much.
Operator
Josh Lingsch, Simmons & Company.
Josh Lingsch - Analyst
Very helpful data points as it pertains to rig efficiency, especially as with respect to footage per day and well (inaudible) per year. I am curious on a leading edge basis where we have up today, how much further do you anticipate some of those moving at -- maybe throughout using just year-end as a benchmark?
John Lindsay - President & COO
Josh, this is John. I want to make certain I understand your question. So you are asking what additional efficiencies can we capture from this point to the end of the year.
Josh Lingsch - Analyst
Yes, yes, exactly. Just based on the data points you offered earlier on (inaudible) per day and --.
John Lindsay - President & COO
Yes, it is really hard to quantify that. I mean obviously when you get to the point of reaching a technical limit of how fast a well can be drilled, then your performance improvement -- that is as good as it gets. But what we are referencing are averages. So I would comment that I think we still have an opportunity to improve the average well cycle times closer and closer to the best in class or the technical limit. But as far as how quickly we get there I am not really certain.
I mean the last couple of years we have seen in ballpark range, and again it is area dependent. I am giving you an average over all of our rigs working in all the basins. Some areas there is more low hanging fruit than others. Some areas have gotten a lot closer to the technical limit. So I mean I wouldn't be surprised if there is not another 5% to 10% that we could see this year. But again, there are a lot of factors involved in that. It is kind of a guess at this point.
Josh Lingsch - Analyst
Okay. And then switching gears a little bit, just a point of clarification on your guidance for international land. The daily cash margins are expected to be down 10% to 15% and that was off of the adjusted cash margin rate when excluding early termination payments, right?
John Lindsay - President & COO
That's correct.
Josh Lingsch - Analyst
Okay, that's all I have. Thanks.
Operator
Tom Curran, Wells Fargo.
Tom Curran - Analyst
Maybe a different way of approaching what I sense has been obviously one of the hottest topics on this call, and I apologies if you have already answered either of these questions. But the first is of the current AC-Drive idle rigs, what percentage of those have a skidding system?
Hans Helmerich - Chairman & CEO
We're looking up that.
John Lindsay - President & COO
Let's see here. Well, probably I would -- probably 25%, I think that is probably a good -- [Aaron], would you agree? That is about 25%.
Tom Curran - Analyst
Okay. And then the up-front term newbuild contracts you just inked for two rigs, which model or models are they for?
John Lindsay - President & COO
The first one we talked about is the FlexRig3 and it is going to the Permian and it has a skid system. And the other is a FlexRig5 which by design is a pad drilling rig, and it is going to Colorado to the Niobrara.
Tom Curran - Analyst
Okay. And then in the conversations you're currently having, John, regarding the rigs on term that are scheduled to be rolling off contract over the balance of the year. In any of those cases is a customer in any way hinting at potentially wanting to replace a rig that has a skidding system with one that has a walking system?
John Lindsay - President & COO
Tom, not to my knowledge. I have talked -- obviously this has been a hot topic, and so I have talked to customers -- I have talked to several customers. Have had customers in our office over the last couple of weeks working on various things and that is one of the questions that I have asked. And I have not had anyone say, oh, no, you guys are missing the boat here; you need to be looking at walking systems. So I am not aware of that. Obviously it's possible, but I'm not aware of it.
Tom Curran - Analyst
Okay. And then last one for me, turning internationally, could you just give us an update on Argentina and the latest flow out of that market with regards to potential opportunities either to put one or more of your currently idle rigs back to work or even deploy additional I would think AC-Drive FlexRig models into that market?
John Lindsay - President & COO
Well, we have been successful in putting rigs back to work in Argentina and we don't have contracts inked, but we feel like of the three rigs that are stacked we think it is possible. And those are all larger conventional rigs. We think more than likely a couple of those will go back to work. I don't know whether it will be third quarter or -- more than likely it would be fourth quarter. But I think they will.
We have one Flex 3 working in Argentina in that unconventional shale play and think that there are possibilities for more, but we don't have anything on the horizon right now. The rig is doing a great job, been very pleased, the customer has been very pleased. And again, not too surprising, they are doing a little bit of science type work trying to understand more about the reservoir. But I think the rig has performed very well.
Tom Curran - Analyst
All right, thanks for the direct responses. I will turn it back.
Operator
Brad Lundy, Ivory Capital.
Brad Lundy - Analyst
I had a quick question. On your last call you spoke about an increased level of focus to return capital to shareholders. Can you I guess provide us with a little bit more detail as to when the Board is expected to come to a discussion decision regarding capital deployment decisions?
Hans Helmerich - Chairman & CEO
Well, Brad, I said earlier that the last date we took that up was in December and we don't have a set time. We will meet in June and then again in September. We don't have a set time of hey, we are going to solve for this over this next meeting or the next two meetings.
I think the takeaway though is that we are very engaged in the topic and I think the Board is supportive. And so, I think that we will continue to put the time and effort to that issue. And so it is hard for me to tell you today what actual meeting date that will be taken up.
Brad Lundy - Analyst
Got you. And in the meetings since the December dividend increase, I guess trying to understand why the Board hasn't taken action to reevaluate the dividend and capital structure. Has it not come up or it is focused for later in the year?
Hans Helmerich - Chairman & CEO
Oh, no. As we have talked it has come up. And so I don't think it has been a matter of, hey, let's take a pass on this. It's been a matter of we took I think a nice positive step in December, we have said since then that we recognize there is additional headroom and that we'll continue to move that direction. So it is really I think a matter of timing and moving forward. It is not a matter of well we looked at this and decided not to.
Brad Lundy - Analyst
Perfect. I mean you guys have certainly done a tremendous job on the operating front over the course of the last several years. But despite that the stock seems to have been relatively stagnant over the last year and a half. And I would certainly ascribe a material portion of that underperformance to the S&P to be the current capital structure and payout ratio. But would love to get your thoughts on what is the appropriate capital structure and payout ratio, or what the proposals are to the Board at this time?
Hans Helmerich - Chairman & CEO
Well, no, I know you are keen on that and I think for us it's -- we have said that certainly we've got a great balance sheet that could take additional debt on and we also had the nice occurrence of being able to generate significant free cash flow going forward under our modeling and we expect to do that. And that will be solved for by returning that to shareholders in terms of the portion we are not using to continue to grow the business.
So, it's a nice -- I know it's not with the speed you would like, but to us it's a nice situation of being able to continue to grow the Company at the same time you are able to positively look at returning additional capital back to your share owners.
Brad Lundy - Analyst
Perfect, thank you, Hans. Really appreciate it.
Operator
Stuart Lippe, RBC Global Asset Management.
Stuart Lippe - Analyst
You mentioned that -- you said 95% of the drilling rigs -- of your activity right now was well drilling. So that means there must be a lot of gas being found with some of that. But I guess the question I have is do you remember what price gas was at when you really had -- when gas say was half the drilling activity? And is there a certain threshold you think that would start -- was stimulating a lot more gas drilling independent of the oil drilling in different fields than are currently being drilled right now?
Hans Helmerich - Chairman & CEO
Yes, it's a great question because I think part of the positive go forward is when customers are at a price threshold where they are willing to go back and add to their dry gas directed rig count. Because like you said, that combination of oil and liquids rich drilling takes up 95% of what we are focused on. So that would be an incremental add to have additional dry gas directed drilling.
And so, we have lived through some difficult times recently and seen gas -- I think at one point it dipped underneath the $2 threshold. So everyone was just a lot of gnashing of teeth. But now that we are above $4 people are starting to talk about exactly what you are asking about.
We don't think it is necessarily a 2013 event, but what we would hope is that we continue to see some take-up on the demand side. And you have got this very low gas directed count. So that is going to I think set up for some potential opportunities in 2014 to put rigs back to work that are looking for dry gas.
Stuart Lippe - Analyst
Why not 2013? Is that -- I mean why wouldn't let's say $4.50 or $5 gas get things going this year?
Hans Helmerich - Chairman & CEO
Yes, well I think there are certainly some basins and projects where the economics work at the prices we have today. Oftentimes there is a little bit of a lag effect between you hit a certain price point and it takes some time and I guess part of it is a sanity check of, hey, are we going to stay here for a while or is it going to continue to move up?
And then part of it is -- take the Haynesville, you have moved some rigs out of the Haynesville. What does it take to motivate you to go back. But that is just one example. There are other examples where it wouldn't take that much effort. But kind of the history of it has been that the industry typically goes through kind of this pause as they verify that this is a price deck that is going to stay in place for some time and then they start going to work.
Stuart Lippe - Analyst
Thank you.
Juan Pablo Tardio - VP & CFO
Tasha, we -- if there are any other questions we probably have time for one quick one.
Operator
We have no further questions in queue.
Juan Pablo Tardio - VP & CFO
All right. Well, thank you very much, everybody. Thank you for joining us. Have a good day.