COWDEN "U"

Oil · District 08 · Lease #24302

Operator: SOUTHWEST ROYALTIES, INC.

Fields: DONNELLY (SAN ANDRES)

Cum Oil

40k BBL

Cum Gas

47k MCF

casinghead

Wells

4

Production

1993-01 — 2024-03

Peak Month

1998-07

Production History

Cum Oil: 39,881 BBL Cum Gas: 46,621 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

339 BBL/mo

Di (annual)

11.5%

b-factor

0.0

EUR

35,316 BBL

R-squared

0.645

type

exponential

Operator History (from monthly production reports)

2011-11 — 2026-07 RMR OPERATING, LLC 177 mo

2010-09 — 2011-10 SOJOURNER DRILLING CORPORATION 14 mo

2009-05 — 2010-08 PROSPER OIL & GAS,INC. 16 mo

2007-06 — 2009-04 PETROGULF CORPORATION 23 mo

1998-07 — 2007-05 PETROGULF, CORPORATION 107 mo

1993-01 — 1998-06 SOUTHWEST ROYALTIES, INC. 66 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-135-32707	RMR OPERATING, LLC	1	4,500	1977-06-29
4	42-135-32695	RMR OPERATING, LLC	1	4,500	1977-06-13
1	42-135-31991	RMR OPERATING LLC	--	--	--
2	42-135-31992	RMR OPERATING LLC	--	--	--