COWDEN, E. F. -A- - -B-

Oil · District 08 · Lease #2453

Operator: R.K.G. OPERATIONS, INC.

Fields: HARPER

Cum Oil

103k BBL

Cum Gas

36k MCF

casinghead

Wells

17

Production

1993-01 — 2026-02

Peak Month

1993-06

Production History

Cum Oil: 103,082 BBL Cum Gas: 36,399 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

646 BBL/mo

Di (annual)

24.0%

b-factor

1.0

EUR

82,905 BBL

R-squared

0.662

type

hyperbolic

Operator History (from monthly production reports)

2019-08 — 2026-07 AGHORN OPERATING, INC. 84 mo
2016-01 — 2019-07 OLSEN ENERGY INC. 43 mo
2004-07 — 2015-12 R. K. G. ENGINEERING, INC. 138 mo
1997-01 — 2004-06 R.K.G. OPERATIONS, INC. 90 mo
1993-01 — 1996-12 R. K. G. ENGINEERING, INC. 48 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5AGHORN OPERATING, INC.15,7001990-10-17
142-135-02944AGHORN OPERATING, INC.------
1242-135-02937AGHORN OPERATING, INC.------
1442-135-31115AGHORN OPERATING, INC.------
1542-135-31098AGHORN OPERATING, INC.------
1642-135-02938AGHORN OPERATING, INC.------
1742-135-31112AGHORN OPERATING, INC.------
1842-135-30922AGHORN OPERATING, INC.------
242-135-31179AGHORN OPERATING, INC.------
2142-135-02935AGHORN OPERATING, INC.------
2242-135-31113AGHORN OPERATING, INC.------
22W42-135-31113AGHORN OPERATING, INC.------
2342-135-02934AGHORN OPERATING, INC.------
342-135-02945AGHORN OPERATING, INC.------
742-135-31148AGHORN OPERATING, INC.------
842-135-03322AGHORN OPERATING, INC.------
942-135-02941AGHORN OPERATING, INC.------