John J. Christmann - President and Chief Executive Officer
Management
Well, Charles, what I'll say is, I'll go ahead and give a little bit of color. We've got four, roughly 7,500 foot Wolfcamp B wells that are in what we call the Lynch Unit. All four wells were completed in late March. We've got all of them on in less than three weeks, so we're not ready to talk about 30-day rates, they're going to be second quarter wells. But they've been encouraging. In general, we've had an average kind of peak IP of around 1,400 BOEs a day, they're 70% to 80% oil. So, we're very excited about them, and we're flowing them back very conservatively. So, we're very, very encouraged. Additionally, we've got about three wells there, we'll drill in 2015 and delineate and optimize and test our fracs, and then it sets us up for quite a drilling program there going forward when we decided to scale up. We also plan to test a Spraberry shale well there, probably in the third or fourth quarter of this year.
Charles A. Meade - Johnson Rice & Co. LLC: Got it. Got it. That's great additional detail, John. And then, if I could ask another question. This goes back to the drilled uncompleted count that you expect to have at year-end 2015. I think you said it was 80 to 100. Perhaps you could tell me, if I'm thinking about this the right way, but if you're running 15 rigs, and just to make the math easy, let's say, your average drill time or drill and complete time is – I guess spud to rig release would be the appropriate thing, is 30-days, that would imply kind of a six-month backlog there. And if you cut it in half and say, okay, well our spud to rig release is 15 days, it gets down to about a three-month backlog. So, both of those seem sort of high to me, and it makes me wonder if you plan to continue to work down that backlog as you go into 2016, and could you tell me, is that the right way to look at that?