WILLIAMS, R. S. "B"

Oil · District 7C · Lease #9991

Operator: WEST INLAND ENERGY, INC.

Fields: VELREX (CISCO 6260)

Cum Oil

12k BBL

Cum Gas

218k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 12,031 BBL Cum Gas: 218,201 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

60 BBL/mo

Di (annual)

10.5%

b-factor

0.0

EUR

6,750 BBL

R-squared

0.390

type

exponential

Operator History (from monthly production reports)

2022-11 — 2026-07 BUSTAMANTE OIL COMPANY 45 mo

2021-02 — 2022-10 WEST INLAND ENERGY, INC. 21 mo

2015-01 — 2021-01 BREITBURN OPERATING L.P. 73 mo

2006-12 — 2014-12 QUANTUM RESOURCES MANAGEMENT,LLC 97 mo

2006-05 — 2006-11 CIMAREX ENERGY CO. OF COLORADO 7 mo

2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo

1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo

1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-12 — 1995-02 MIDPAR L.P. 15 mo

1993-01 — 1993-11 GRAHAM ROYALTY, LTD. 11 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-413-31174	BUSTAMANTE OIL COMPANY	2	6,800	2001-03-22

WILLIAMS, R. S. "B"

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (1)

Production History