SOUTH FUHRMAN MASCHO UNIT

Oil · District 08 · Lease #21365

Operator: UNION SEABOARD CORPORATION

Cum Oil

3.1M BBL

Cum Gas

3.5M MCF

casinghead

Wells

179

Production

1993-01 — 2026-04

Peak Month

2009-09

Production History

Cum Oil: 3,098,725 BBL Cum Gas: 3,460,354 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,869 BBL/mo

Di (annual)

17.3%

b-factor

0.1

EUR

2,749,092 BBL

R-squared

0.940

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 CRESCENT ENERGY OPERATING, LLC 9 mo
2022-01 — 2025-10 CONTANGO RESOURCES, LLC 46 mo
2021-12 — 2021-12 CONTANGO RESOURCES, INC. 1 mo
2020-04 — 2021-11 FDL OPERATING, LLC 20 mo
2013-02 — 2020-03 SHERIDAN PRODUCTION COMPANY, LLC 86 mo
2010-08 — 2013-01 SANDRIDGE EXPL. AND PROD., LLC 30 mo
2007-12 — 2010-07 OK ARENA OPERATING COMPANY 32 mo
2004-05 — 2007-11 PHOENIX PETROCORP, INC. 43 mo
1997-05 — 2004-04 UNION SEABOARD CORPORATION 84 mo
1996-01 — 1997-04 STEVENS, TERRY N. INC. 16 mo
1993-01 — 1995-12 JAXPLORATION COMPANY L.C. 36 mo

Wells (179)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8131CRESCENT ENERGY OPERATING, LLC15,0002013-10-04
8127CRESCENT ENERGY OPERATING, LLC15,0002013-08-27
8130CRESCENT ENERGY OPERATING, LLC15,0002013-08-27
8137CRESCENT ENERGY OPERATING, LLC15,0002013-08-27
8122CRESCENT ENERGY OPERATING, LLC15,0002013-08-15
8125CRESCENT ENERGY OPERATING, LLC15,0002013-08-15
8126CRESCENT ENERGY OPERATING, LLC15,0002013-08-15
8138CRESCENT ENERGY OPERATING, LLC15,0002013-08-15
1686CRESCENT ENERGY OPERATING, LLC15,2002012-09-04
9103CRESCENT ENERGY OPERATING, LLC15,2002012-09-04
988CRESCENT ENERGY OPERATING, LLC15,2002012-09-04
1656CRESCENT ENERGY OPERATING, LLC15,2002012-08-30
1580CRESCENT ENERGY OPERATING, LLC15,2002012-08-29
1660CRESCENT ENERGY OPERATING, LLC15,2002012-08-29
1663CRESCENT ENERGY OPERATING, LLC15,2002012-08-29
1664CRESCENT ENERGY OPERATING, LLC15,2002012-08-29
5125CRESCENT ENERGY OPERATING, LLC15,2002012-08-07
5120CRESCENT ENERGY OPERATING, LLC15,2002012-08-06
5121CRESCENT ENERGY OPERATING, LLC15,2002012-08-06
5122CRESCENT ENERGY OPERATING, LLC14,9002012-08-01
5123CRESCENT ENERGY OPERATING, LLC14,9002012-08-01
5124CRESCENT ENERGY OPERATING, LLC15,2002012-08-01
588CRESCENT ENERGY OPERATING, LLC14,9002012-08-01
1667CRESCENT ENERGY OPERATING, LLC35,5002012-07-30
1667HCRESCENT ENERGY OPERATING, LLC35,5002012-07-30
1659CRESCENT ENERGY OPERATING, LLC15,0002012-06-07
1698CRESCENT ENERGY OPERATING, LLC15,0002012-06-07
1661CRESCENT ENERGY OPERATING, LLC15,0002012-05-23
8117CRESCENT ENERGY OPERATING, LLC15,0002012-05-08
8102CRESCENT ENERGY OPERATING, LLC15,0002012-04-26
5000CRESCENT ENERGY OPERATING, LLC15,0002012-04-24
5117CRESCENT ENERGY OPERATING, LLC14,9002011-11-19
5115CRESCENT ENERGY OPERATING, LLC14,9002011-09-26
8116CRESCENT ENERGY OPERATING, LLC14,9002011-08-12
998CRESCENT ENERGY OPERATING, LLC14,9002011-08-10
5116CRESCENT ENERGY OPERATING, LLC14,9002011-07-26
5113CRESCENT ENERGY OPERATING, LLC14,9002011-07-22
8114CRESCENT ENERGY OPERATING, LLC24,9002011-03-14
1658RCRESCENT ENERGY OPERATING, LLC14,9002011-03-01
1732CRESCENT ENERGY OPERATING, LLC14,9002011-01-31
857CRESCENT ENERGY OPERATING, LLC14,9002011-01-06
5110CRESCENT ENERGY OPERATING, LLC14,9002011-01-05
8115CRESCENT ENERGY OPERATING, LLC14,9002011-01-05
869CRESCENT ENERGY OPERATING, LLC14,9002010-11-24
899CRESCENT ENERGY OPERATING, LLC14,9002010-11-24
1697CRESCENT ENERGY OPERATING, LLC14,9002010-11-10
9102CRESCENT ENERGY OPERATING, LLC14,9002010-11-10
5114CRESCENT ENERGY OPERATING, LLC14,9002010-10-12
5111CRESCENT ENERGY OPERATING, LLC14,9002010-07-13
5105CRESCENT ENERGY OPERATING, LLC14,9002010-07-12
8110CRESCENT ENERGY OPERATING, LLC14,9002010-06-18
1786CRESCENT ENERGY OPERATING, LLC14,9002010-05-28
8107CRESCENT ENERGY OPERATING, LLC14,9002010-05-20
8108CRESCENT ENERGY OPERATING, LLC14,9002010-05-20
589CRESCENT ENERGY OPERATING, LLC14,9002010-05-14
1677CRESCENT ENERGY OPERATING, LLC14,9002010-05-12
898CRESCENT ENERGY OPERATING, LLC14,9002010-05-05
598CRESCENT ENERGY OPERATING, LLC14,9002010-04-30
8105CRESCENT ENERGY OPERATING, LLC14,9002010-04-15
978CRESCENT ENERGY OPERATING, LLC14,9002009-12-31
8103CRESCENT ENERGY OPERATING, LLC14,9002009-12-17
8104CRESCENT ENERGY OPERATING, LLC14,9002009-11-18
1696CRESCENT ENERGY OPERATING, LLC14,9002009-11-17
578CRESCENT ENERGY OPERATING, LLC14,9002009-11-17
895CRESCENT ENERGY OPERATING, LLC14,9002009-11-09
8150CRESCENT ENERGY OPERATING, LLC14,9002009-10-30
889CRESCENT ENERGY OPERATING, LLC14,9002009-10-30
5103CRESCENT ENERGY OPERATING, LLC14,9002009-10-27
587CRESCENT ENERGY OPERATING, LLC14,9002009-10-27
576CRESCENT ENERGY OPERATING, LLC14,9002009-10-26
1776CRESCENT ENERGY OPERATING, LLC14,9002009-09-22
868CRESCENT ENERGY OPERATING, LLC24,9002009-07-08
5102CRESCENT ENERGY OPERATING, LLC14,9002009-07-03
8111CRESCENT ENERGY OPERATING, LLC14,9002009-07-03
879CRESCENT ENERGY OPERATING, LLC14,9002009-07-02
8113CRESCENT ENERGY OPERATING, LLC14,9002009-06-26
5109CRESCENT ENERGY OPERATING, LLC14,9002009-06-23
887CRESCENT ENERGY OPERATING, LLC14,9002009-05-14
856CRESCENT ENERGY OPERATING, LLC14,9002009-04-07
866CRESCENT ENERGY OPERATING, LLC14,9002009-03-24
876CRESCENT ENERGY OPERATING, LLC14,9002009-03-24
5100CRESCENT ENERGY OPERATING, LLC14,9002009-03-16
8112CRESCENT ENERGY OPERATING, LLC14,9002009-03-16
877CRESCENT ENERGY OPERATING, LLC14,9002009-03-16
559CRESCENT ENERGY OPERATING, LLC24,9002008-12-08
567CRESCENT ENERGY OPERATING, LLC14,9002008-12-08
5107CRESCENT ENERGY OPERATING, LLC14,9002008-11-24
521CRESCENT ENERGY OPERATING, LLC14,9002008-11-24
5106CRESCENT ENERGY OPERATING, LLC14,9002008-11-21
5108CRESCENT ENERGY OPERATING, LLC14,9002008-11-21
5112CRESCENT ENERGY OPERATING, LLC14,9002008-11-21
558CRESCENT ENERGY OPERATING, LLC14,9002008-11-21
590CRESCENT ENERGY OPERATING, LLC14,9002008-11-21
8101CRESCENT ENERGY OPERATING, LLC14,9002008-11-04
867CRESCENT ENERGY OPERATING, LLC14,9002008-10-29
586CRESCENT ENERGY OPERATING, LLC14,9002008-10-20
568CRESCENT ENERGY OPERATING, LLC14,9002008-10-16
1699CRESCENT ENERGY OPERATING, LLC14,9002008-10-14
5104CRESCENT ENERGY OPERATING, LLC14,9002008-10-14
579CRESCENT ENERGY OPERATING, LLC14,9002008-10-14
9104CRESCENT ENERGY OPERATING, LLC14,9002008-10-14
569CRESCENT ENERGY OPERATING, LLC14,9002008-10-09
888CRESCENT ENERGY OPERATING, LLC14,9002008-10-09
1578CRESCENT ENERGY OPERATING, LLC14,9002008-09-30
8109CRESCENT ENERGY OPERATING, LLC14,9002008-09-02
999CRESCENT ENERGY OPERATING, LLC14,9002008-08-25
8106CRESCENT ENERGY OPERATING, LLC14,9002008-08-13
897CRESCENT ENERGY OPERATING, LLC24,9002008-08-11
577CRESCENT ENERGY OPERATING, LLC14,9002008-06-25
9100CRESCENT ENERGY OPERATING, LLC14,9002008-06-23
9105CRESCENT ENERGY OPERATING, LLC14,9002008-06-21
597CRESCENT ENERGY OPERATING, LLC14,9002008-06-12
599CRESCENT ENERGY OPERATING, LLC14,9002008-03-25
1577CRESCENT ENERGY OPERATING, LLC14,9002008-02-28
9101CRESCENT ENERGY OPERATING, LLC14,9002008-02-27
1657CRESCENT ENERGY OPERATING, LLC14,9002008-02-26
1666CRESCENT ENERGY OPERATING, LLC14,9002008-02-22
594CRESCENT ENERGY OPERATING, LLC15,0002007-08-14
846CRESCENT ENERGY OPERATING, LLC25,0002007-08-14
896CRESCENT ENERGY OPERATING, LLC15,0002007-08-14
1612CRESCENT ENERGY OPERATING, LLC15,0002007-07-16
584CRESCENT ENERGY OPERATING, LLC15,0002007-07-16
564CRESCENT ENERGY OPERATING, LLC15,0002007-07-14
574CRESCENT ENERGY OPERATING, LLC15,0002007-07-14
892CRESCENT ENERGY OPERATING, LLC15,0002007-01-19
882CRESCENT ENERGY OPERATING, LLC15,0002006-12-19
886CRESCENT ENERGY OPERATING, LLC15,0002006-12-19
917CRESCENT ENERGY OPERATING, LLC15,0002006-06-30
918CRESCENT ENERGY OPERATING, LLC15,0002006-06-27
964CRESCENT ENERGY OPERATING, LLC15,0002006-05-16
954CRESCENT ENERGY OPERATING, LLC15,0002006-05-15
928CRESCENT ENERGY OPERATING, LLC15,0002006-05-12
974CRESCENT ENERGY OPERATING, LLC15,0002006-05-12
847CRESCENT ENERGY OPERATING, LLC15,0002006-05-10
848CRESCENT ENERGY OPERATING, LLC15,0002006-05-10
977CRESCENT ENERGY OPERATING, LLC15,0002006-05-10
984CRESCENT ENERGY OPERATING, LLC15,0002006-05-10
958CRESCENT ENERGY OPERATING, LLC15,0002004-10-21
967CRESCENT ENERGY OPERATING, LLC15,0002004-10-21
969CRESCENT ENERGY OPERATING, LLC15,0002004-10-21
989CRESCENT ENERGY OPERATING, LLC15,0002004-10-21
997CRESCENT ENERGY OPERATING, LLC14,8501985-12-10
986CRESCENT ENERGY OPERATING, LLC14,7501985-09-06
151342-003-07110CRESCENT ENERGY OPERATING, LLC------
1611W42-003-07135CRESCENT ENERGY OPERATING, LLC------
1621W42-003-07134CRESCENT ENERGY OPERATING, LLC------
162242-003-07507CRESCENT ENERGY OPERATING, LLC------
1631W42-003-07247CRESCENT ENERGY OPERATING, LLC------
163242-003-84461CRESCENT ENERGY OPERATING, LLC------
1641W42-003-07245CRESCENT ENERGY OPERATING, LLC------
164242-003-07246CRESCENT ENERGY OPERATING, LLC------
1731W42-003-04976CRESCENT ENERGY OPERATING, LLC------
51442-003-04984CRESCENT ENERGY OPERATING, LLC------
523W42-003-04978CRESCENT ENERGY OPERATING, LLC------
52442-003-04973CRESCENT ENERGY OPERATING, LLC------
531W42-003-07139CRESCENT ENERGY OPERATING, LLC------
53242-003-84434CRESCENT ENERGY OPERATING, LLC------
533W42-003-07107CRESCENT ENERGY OPERATING, LLC------
53442-003-84436CRESCENT ENERGY OPERATING, LLC------
541W42-003-07138CRESCENT ENERGY OPERATING, LLC------
54242-003-07136CRESCENT ENERGY OPERATING, LLC------
543W42-003-07108CRESCENT ENERGY OPERATING, LLC------
54442-003-07104CRESCENT ENERGY OPERATING, LLC------
811W42-003-04985CRESCENT ENERGY OPERATING, LLC------
821W42-003-04974CRESCENT ENERGY OPERATING, LLC------
82242-003-04979CRESCENT ENERGY OPERATING, LLC------
823W42-003-06657CRESCENT ENERGY OPERATING, LLC------
831W42-003-04977CRESCENT ENERGY OPERATING, LLC------
83242-003-04981CRESCENT ENERGY OPERATING, LLC------
833W42-003-04980CRESCENT ENERGY OPERATING, LLC------
83442-003-84448CRESCENT ENERGY OPERATING, LLC------
841W42-003-04972CRESCENT ENERGY OPERATING, LLC------
84242-003-04983CRESCENT ENERGY OPERATING, LLC------
843W42-003-04975CRESCENT ENERGY OPERATING, LLC------
84442-003-04986CRESCENT ENERGY OPERATING, LLC------
91442-003-07243CRESCENT ENERGY OPERATING, LLC------
92442-003-07242CRESCENT ENERGY OPERATING, LLC------
93442-003-07239CRESCENT ENERGY OPERATING, LLC------
94442-003-07238CRESCENT ENERGY OPERATING, LLC------