ROBERSON

Oil · District 06 · Lease #13029

Operator: R & C PETROLEUM, INC.

Fields: SHEA (RODESSA)

Cum Oil

106k BBL

Cum Gas

39 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 106,257 BBL Cum Gas: 39 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,333 BBL/mo

Di (annual)

14.6%

b-factor

0.0

EUR

109,432 BBL

R-squared

0.722

type

exponential

Operator History (from monthly production reports)

2025-09 — 2026-07 ELMS OIL COMPANY 11 mo

2006-05 — 2025-08 BASA RESOURCES, INC. 232 mo

2002-02 — 2006-04 MUSTANG OPERATING COMPANY 51 mo

1998-12 — 2002-01 HOUSTON EXPLORATION COMPANY, THE 38 mo

1995-06 — 1998-11 H & S PRODUCTION, INC. 42 mo

1993-01 — 1995-05 R & C PETROLEUM, INC. 29 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-423-31347	ELMS OIL COMPANY	2	9,000	1991-10-21