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Oklahoma 2018

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OKLAHOMA: TECHNOLOGY UGcenter.com | November 2018 | 25 Not all industry vets are buying into the buzz around the Scoop/Stack, however. Former Occi- dental Petroleum CEO Steve Chazen targeted the Eagle Ford for his return with a $2.7 billion acquisi- tion from EnerVest for his newly formed Magnolia Oil & Gas. Tweaking the chemical cocktail More than a year and a half removed from its emergence from bankruptcy, independent pro- ducer Chaparral Energy finds itself on the cusp of development of some of its prime Stack acreage. The company holds 119,000 net acres in the Stack with access to the Oswego, Meramec, Osage and Woodford formations. The company believes there is as much as 1 Bbbl of recoverable resource on its holdings. Its oil equivalent production from the area has more than doubled since 2015 from more than 5,400 bbl/d to nearly 13,000 bbl/d. The company spent much of this year delin- eating its Garfield and Canadian counties acreage where it concentrated the majority of its drilling efforts throughout the year. As a result, Chaparral's 2019 program will likely hold a higher percentage of multiwell pads, spacing tests and possibly full section development versus single-well pads across its Stack position. To date, the majority of the com- pany's laterals have been 1 mile, but Chaparral is continuing to examine the potential for 1.5-mile and 2-mile laterals. "We are currently running three rigs and looking at possibly increasing that in 2019 as we accelerate our program," said Jim Miller, Chaparral senior vice president of operations. "We haven't seen a lot of changes in terms of technology on the drilling side this year, as we saw a lot of success in 2017 fine tuning our motor/bit combinations and mud pro- grams from a geologic targeting side. As a result, we've seen our spud-to-total-depth times decrease significantly with several wells taking only nine days to drill." On the completions side, Chaparral is work- ing to do the job with fewer chemicals, looking to keep the complexity down and fewer chemi- cals in the reservoir as well as staying with more slickwater systems. "Over the past couple of years there seems to be an emergence of diverters being pumped," said Josh Chaparral's in-house location construction and procurement efforts continue to provide significant cost savings in the Stack. (Photo courtesy of Chaparral Energy)

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