DUVAL COUNTY RANCH CO. 'K'

Oil · District 04 · Lease #11792

Operator: TEXAS PETROLEUM INVESTMENT CO.

Cum Oil

13k BBL

Cum Gas

62k MCF

casinghead

Wells

3

Production

1993-01 — 1998-02

Peak Month

1993-03

Production History

Cum Oil: 13,258 BBL Cum Gas: 62,312 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

710 BBL/mo

Di (annual)

89.0%

b-factor

0.1

EUR

10,606 BBL

R-squared

0.817

type

hyperbolic

Operator History (from monthly production reports)

2010-07 — 2026-07 TEXAS PETROLEUM INVESTMENT CO. 193 mo
2009-12 — 2010-06 ENERGYQUEST II, LLC 7 mo
2007-01 — 2009-11 SEQUOIA MANAGEMENT, LLC 35 mo
1996-09 — 2006-12 SOUTHWESTERN ENERGY PROD. CO. 124 mo
1993-01 — 1996-08 EXXON CORP. 44 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
51TEXAS PETROLEUM INVESTMENT CO.34,7501999-07-13
54TEXAS PETROLEUM INVESTMENT CO.44,5501999-04-01
55TEXAS PETROLEUM INVESTMENT CO.34,5501992-04-22