DUVAL COUNTY RANCH CO. "K"

Oil · District 04 · Lease #11329

Operator: TEXAS PETROLEUM INVESTMENT CO.

Cum Oil

69k BBL

Cum Gas

190k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2008-08

Production History

Cum Oil: 69,086 BBL Cum Gas: 189,757 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,321 BBL/mo

Di (annual)

84.3%

b-factor

1.1

EUR

78,981 BBL

R-squared

0.846

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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
60TEXAS PETROLEUM INVESTMENT CO.44,5502000-11-13
51TEXAS PETROLEUM INVESTMENT CO.34,7501999-07-13
54TEXAS PETROLEUM INVESTMENT CO.44,5501999-04-01
55TEXAS PETROLEUM INVESTMENT CO.34,5501992-04-22
59TEXAS PETROLEUM INVESTMENT CO.24,5501991-05-24
53TEXAS PETROLEUM INVESTMENT CO.14,5501988-06-06
52TEXAS PETROLEUM INVESTMENT CO.14,5501988-02-22