Unit Petroleum Company Permit History

TL;DR: Unit Petroleum Company has 94 oil and gas drilling permits on file; the most recent was filed 2025-04-07. This page lists permit dates, API numbers, counties, target formations, and lateral lengths. Data current as of 2026-05-04.

94 total permits on file, most recent 2025-04-07.

Permits Filed

Permit / Spud Date API Number County Well Name Formation Lateral Length (ft)
2025-04-07 4221134295 HEMPHILL ISAACS E 1 Granite Wash 3,303
2025-04-07 4221134298 HEMPHILL VOLLMERT "C" 7 Granite Wash 175
2024-07-26 4221134301 HEMPHILL VOLLMERT "C" 8 Granite Wash 116
2022-09-06 4221135665 HEMPHILL MEEK 1 Anadarko Basin 116
2022-08-10 4221135664 HEMPHILL CARR 13 3 Anadarko Basin 116
2022-07-21 4221135663 HEMPHILL KEETON 5636 Anadarko Basin 116
2022-01-13 35043237380000 DEWEY VIRGIE 26 #1H Anadarko Basin —
2021-12-01 35011216010001 BLAINE MEL 1 Anadarko Basin —
2021-12-01 35011216010000 BLAINE MEL #1 Anadarko Basin —
2021-11-10 4221135400 HEMPHILL KEETON 5633H Granite Wash 4,646
2021-09-14 35043215290001 DEWEY HOLDER 14-1 Anadarko Basin —
2021-09-14 35043215290000 DEWEY HOLDER #14-1 Anadarko Basin —
2021-09-13 4239331941 ROBERTS VOLLMERT, J. C. 10 Granite Wash 116
2021-08-11 4221135635 HEMPHILL CARR 14 SL 1437H Granite Wash 5,345
2021-08-10 4221135645 HEMPHILL MEEK 6814 XL 4H Granite Wash 7,963
2021-05-17 4221135654 HEMPHILL DIXON 5554 XL 7H Granite Wash —
2021-03-25 35039225940000 CUSTER WINGARD 16 #1H Anadarko Basin 4,915
2021-02-19 35109213720002 OKLAHOMA B-J 1-9 Chautauqua Platform —
2021-02-17 4221133714 HEMPHILL ISAACS 'C' 2 Granite Wash 118
2021-02-10 4239332029 ROBERTS FLOWERS 'A' 1 Granite Wash 118
2020-11-04 35153219480002 WOODWARD BLAKESLY 3 Anadarko Basin —
2020-10-05 4221135610 HEMPHILL CARR 1357 EXL 3H Granite Wash 8,100
2020-09-04 4221135653 HEMPHILL MEEK 5455 EXL 1H Granite Wash —
2020-08-31 — HEMPHILL MEEK 5455 EXL 1H — —
2020-05-11 4221135652 HEMPHILL MEEK 5453 CXL 3H Granite Wash —
2019-09-26 4221135651 HEMPHILL KEETON 5655 XL 1H Granite Wash —
2019-06-24 35043237050000 DEWEY HAYES TRUST 1H-12 Anadarko Basin 5,094
2019-06-20 4245730895 TYLER GUARDIAN 2 Gulf Coast Basin (LA - TX) 657
2019-06-14 35011242220000 BLAINE WINTERS #1-10H Woodford —
2019-06-14 35011242230000 BLAINE WINTERS #2-10H Woodford —
2019-06-12 35011242210000 BLAINE RANDALL #3-10H Woodford —
2019-06-12 35011242200000 BLAINE RANDALL #2-10H Woodford —
2019-05-24 35051246430000 GRADY NORRIS TRUST 3-28H Anadarko Basin 4,836
2019-05-16 35077218230001 LATIMER GOLIGHTLY 8R Arkoma Basin —
2019-05-15 35015222920003 CADDO HEDGECOCK 3-12 Anadarko Basin —
2019-05-15 35015209570002 CADDO HEDGECOCK 1-12 Anadarko Basin —
2019-05-15 35015209570001 CADDO HEDGECOCK 1 Anadarko Basin —
2019-05-15 35015209570000 CADDO HEDGECOCK 1-12 Anadarko Basin —
2019-04-30 35039225760000 CUSTER WINGARD 1510 1HX Anadarko Basin 5,493
2019-04-23 35015233100000 CADDO CITY OF CHICKASHA #1-8H Anadarko Basin —
2019-04-23 35051246180000 GRADY SCHEER 20/29 1HXL Anadarko Basin 5,281
2019-04-16 35039225750000 CUSTER SARATOGA 0805 #1HX Anadarko Basin 1,915
2019-04-10 35051246120000 GRADY SCHENK TRUST 5/8 5HXL Anadarko Basin 7,853
2019-04-02 35051246010000 GRADY SCHENK TRUST 5/8 4HXL Anadarko Basin 7,543
2019-04-02 35051246010002 GRADY SCHENK TRUST 5/8 4HXL Anadarko Basin 7,543
2019-04-02 35051246010001 GRADY SCHENK TRUST 5/8 4HXL Anadarko Basin 7,543
2019-03-27 35039225710000 CUSTER SARATOGA 1720 1HX Anadarko Basin 9,588
2019-03-19 35039225690000 CUSTER WINGARD FARMS 2128 1HX Anadarko Basin 2,637
2019-02-05 35039225660000 CUSTER WINGARD 1522 2HX Anadarko Basin 7,646
2019-01-09 35051245450000 GRADY ANITA 35 2H Anadarko Basin 5,196
2019-01-09 35051245440000 GRADY ANITA 35 3H Anadarko Basin 5,778
2018-12-21 35039225610000 CUSTER SCHROCK 1H-19 Anadarko Basin 4,643
2018-12-07 4221135642 HEMPHILL FRANCIS 5859 EXL 6H Granite Wash —
2018-11-30 35015233070000 CADDO 5-D "A" 18/7 1HXL Anadarko Basin 9,578
2018-10-25 35051245030000 GRADY TAYLOR TRUST 14/23 1HXL Anadarko Basin 7,546
2018-09-25 35051244880000 GRADY WHITE 6 3H Woodford 4,887
2018-08-31 35039225530000 CUSTER FRYMIRE 1-18H Anadarko Basin 4,605
2018-08-30 35077218220000 LATIMER GOLIGHTLY 8 Arkoma Basin —
2018-08-13 35051244360000 GRADY DOBIE 18/7 #1HXL Woodford 8,174
2018-07-30 35077217200002 LATIMER COX 8 Arkoma Basin 129
2018-07-24 35077216670002 LATIMER HAWTHORNE 3 Arkoma Basin —
2018-07-17 4221135622 HEMPHILL FILLINGIM 4443 XL 1H Granite Wash —
2018-07-12 35015233000000 CADDO 5-D 13/12 1HXL Anadarko Basin 9,268
2018-06-25 35039225440000 CUSTER SCHROCK 2215 1HX Anadarko Basin 7,285
2018-05-03 35043236220000 DEWEY IRWIN 2-4H Anadarko Basin 4,808
2018-04-11 35051243260000 GRADY SCHENK TRUST 3HXL Anadarko Basin 7,827
2018-02-28 35051242890000 GRADY SCHENK TRUST #2-17HXL 2H Anadarko Basin 6,798
2018-01-29 35043235910000 DEWEY IRWIN 1-4H Anadarko Basin 4,812
2018-01-03 35051242400000 GRADY LIVINGSTON LAND 33/4 1HXL Anadarko Basin 8,093
2018-01-03 35051242400001 GRADY LIVINGSTON LAND 33/4 1HXL Anadarko Basin 8,093
2017-11-17 35051242230002 GRADY SCHENK TRUST #1-17HXL Anadarko Basin 7,839
2017-11-17 35051242230000 GRADY SCHENK TRUST #1-17HXL Anadarko Basin 7,839
2017-11-02 35051242140000 GRADY MCGUFFIN 2-19H Anadarko Basin 2,871
2017-10-09 35051242030000 GRADY MCCONNELL 1-11H Anadarko Basin 5,194
2017-09-07 35051241880000 GRADY SCHMIDT 1-10H Anadarko Basin 4,868
2017-09-01 4221135591 HEMPHILL FRANCIS 5859 WXL 2H Granite Wash 9,890
2017-08-03 35059223260002 HARPER LAUREN 1 Anadarko Basin —
2017-08-02 35051241770000 GRADY NINA 1-22H Anadarko Basin 5,130
2017-07-31 4221135589 HEMPHILL CARR 1357 WXL 6H Granite Wash 6,674
2017-06-06 35051240160002 GRADY NORRIS TRUST 2-28H Anadarko Basin —
2017-06-06 35051240160001 GRADY NORRIS TRUST 2-28H Anadarko Basin —
2017-06-05 4221134621 HEMPHILL VOLLMERT 'C' 10 Granite Wash —
2017-05-19 35039225030000 CUSTER HAMAR 3H-17 Anadarko Basin 4,866
2017-05-15 35051241460000 GRADY BOBBY #1-33HXL Anadarko Basin —
2017-04-20 35051241300000 GRADY ATKINSON #1-21H Anadarko Basin 5,251
2017-02-17 4221135562 HEMPHILL KEETON 5655 XL 1H Granite Wash 7,293
2017-02-15 4221135563 HEMPHILL KEETON 5655 XL 2H Granite Wash 7,292
2016-11-29 35051240880000 GRADY WEST 1-33HXL Anadarko Basin 6,276
2016-10-13 35015232710000 CADDO LESSIG 1-25H Anadarko Basin 4,575
2016-10-10 4221135549 HEMPHILL DIXON 5554 XL 2H Granite Wash 8,085
2016-09-15 35129224070003 ROGER MILLS CALVERT 1 Anadarko Basin —
2016-08-17 4239331851 ROBERTS VOLLMERT 'C' 4 Granite Wash 3,853
2016-06-17 4239331683 ROBERTS ISAACS 1 Granite Wash 304
2016-06-14 4221135541 HEMPHILL CAMPBELL 39 4H Granite Wash 5,487

Key Takeaways