HENDERSON -B-

Oil · District 01 · Lease #14218

Operator: SOMEX ENERGY COMPANY

Fields: WEIGANG

Cum Oil

53k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

1998-09 — 2014-02

Peak Month

1999-01

Production History

Cum Oil: 52,799 BBL Cum Gas: 3,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,545 BBL/mo

Di (annual)

59.6%

b-factor

0.5

EUR

58,324 BBL

R-squared

0.793

type

hyperbolic

Operator History (from monthly production reports)

2020-12 — 2026-07 DORCHESTER OPERATING COMPANY LLC 68 mo
2004-05 — 2020-11 ACOCK/ANAQUA OPERATING CO., LP 199 mo
2002-08 — 2004-04 ACOCK/ANAQUA OPERATING CO., LC 21 mo
2002-04 — 2002-07 ACOCK ENGINEERING & ASSOC., INC. 4 mo
1998-09 — 2002-03 SOMEX ENERGY COMPANY 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10DORCHESTER OPERATING COMPANY LLC14,0501998-08-04