COWDEN, E. W., -E-

Oil · District 08 · Lease #15238

Operator: TRIAG ENERGY OPERATING, INC.

Fields: EMPEROR, DEEP

Cum Oil

64k BBL

Cum Gas

147k MCF

casinghead

Wells

6

Production

1993-01 — 2015-09

Peak Month

1999-08

Production History

Cum Oil: 64,392 BBL Cum Gas: 147,147 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

336 BBL/mo

Di (annual)

13.4%

b-factor

0.3

EUR

39,709 BBL

R-squared

0.389

type

hyperbolic

Operator History (from monthly production reports)

2022-10 — 2026-07 HEIFER PRODUCTION COMPANY LLC 46 mo
2012-09 — 2022-09 FINLEY RESOURCES, INC. 121 mo
2003-10 — 2012-08 EADO PRODUCTION, INC. 107 mo
2001-09 — 2003-09 TRIAG ENERGY OPERATING, INC. 25 mo
1998-06 — 2001-08 SHIFFLETT OPERATING COMPANY 39 mo
1994-02 — 1998-05 HOPEWELL OPERATING, INC. 52 mo
1993-09 — 1994-01 SHELBY, MICHAEL H. 5 mo
1993-01 — 1993-08 RBD-SHELBY AGENCY 8 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WHEIFER PRODUCTION COMPANY LLC13,5001989-05-02
E 2HEIFER PRODUCTION COMPANY LLC13,5001989-05-02
E 1HEIFER PRODUCTION COMPANY LLC13,1001989-01-23
E 342-495-05211HEIFER PRODUCTION COMPANY LLC------
E 442-495-00931HEIFER PRODUCTION COMPANY LLC------
E 642-495-00927HEIFER PRODUCTION COMPANY LLC------