COOK OIL UNIT

Oil · District 06 · Lease #13121

Operator: XTO ENERGY INC.

Fields: BETHEL (GEORGETOWN)

Cum Oil

17k BBL

Cum Gas

13 MCF

casinghead

Wells

1

Production

1993-01 — 2000-07

Peak Month

1993-08

Production History

Cum Oil: 16,592 BBL Cum Gas: 13 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,251 BBL/mo

Di (annual)

220.6%

b-factor

0.9

EUR

27,297 BBL

R-squared

0.890

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 TRINITY GAS STORAGE, LLC 35 mo

2004-08 — 2023-08 XTO ENERGY INC. 229 mo

2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo

1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-001-00784	TEXACO E & P INC.	3	8,880	1992-12-02