HIRSCH STATE

Oil · District 03 · Lease #1775

Operator: SIEMPRE ENERGY OPERATING, LLC

Fields: GOOSE CREEK

Cum Oil

154k BBL

Cum Gas

10k MCF

casinghead

Wells

5

Production

1993-01 — 2016-03

Peak Month

2000-02

Production History

Cum Oil: 154,386 BBL Cum Gas: 9,867 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

899 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

150,997 BBL

R-squared

0.412

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 GAITHER PETROLEUM CORPORATION 3 mo
2015-05 — 2026-04 SIEMPRE ENERGY OPERATING, LLC 132 mo
2011-05 — 2015-04 HOLLIMON OIL CORPORATION 48 mo
2004-04 — 2011-04 LA-TEX OPERATING COMPANY 85 mo
1999-12 — 2004-03 GAITHER PETROLEUM CORPORATION 52 mo
1999-03 — 1999-11 PENNZENERGY EXP. & PROD., L.L.C. 9 mo
1995-02 — 1999-02 PENNZOIL EXPLORATION & PROD. CO. 49 mo
1993-01 — 1995-01 PENNZOIL PETROLEUM COMPANY 25 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21GAITHER PETROLEUM CORPORATION12,8501985-05-03
22GAITHER PETROLEUM CORPORATION14,7001985-04-24
20GAITHER PETROLEUM CORPORATION15,1001984-07-19
1642-201-07499GAITHER PETROLEUM CORPORATION------
1842-201-06943GAITHER PETROLEUM CORPORATION------