TWIN SISTERS

Oil · District 7B · Lease #24039

Operator: WEST INLAND ENERGY, INC.

Cum Oil

11k BBL

Cum Gas

29 MCF

casinghead

Wells

3

Production

1993-01 — 2025-06

Peak Month

2011-11

Production History

Cum Oil: 11,235 BBL Cum Gas: 29 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

80 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

5,169 BBL

R-squared

0.399

type

exponential

Operator History (from monthly production reports)

2024-07 — 2026-07 IRON BELL OPERATING, LLC 25 mo
2005-01 — 2024-06 WEST INLAND ENERGY, INC. 234 mo
2002-06 — 2004-12 SUPREME ENERGY COMPANY, INC. 31 mo
1997-01 — 2002-05 WEST INLAND ENERGY, INC. 65 mo
1993-01 — 1996-12 KNK OIL & GAS 48 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3IRON BELL OPERATING LLC12,5002011-02-16
1IRON BELL OPERATING LLC12,5001986-09-12
2IRON BELL OPERATING LLC12,5001986-09-12