TXL N 43-1

Oil · District 08 · Lease #35520

Operator: SANDRIDGE EXPL. AND PROD., LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

212k BBL

Cum Gas

566k MCF

casinghead

Wells

3

Production

1997-10 — 2025-08

Peak Month

2011-03

Production History

Cum Oil: 211,550 BBL Cum Gas: 565,913 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,091 BBL/mo

Di (annual)

30.8%

b-factor

0.0

EUR

42,485 BBL

R-squared

0.499

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo

2019-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 65 mo

2015-02 — 2019-07 ENCANA OIL & GAS(USA) INC. 54 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2010-10 — 2013-12 ATHLON ENERGY OPERATING LLC 39 mo

2010-01 — 2010-09 SANDRIDGE EXPL. AND PROD., LLC 9 mo

2003-08 — 2009-12 FOREST OIL CORPORATION 77 mo

2003-07 — 2003-07 OXY USA WTP LP 1 mo

2002-01 — 2003-06 BP AMERICA PRODUCTION COMPANY 18 mo

1997-10 — 2001-12 ARCO PERMIAN 51 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
9	42-329-39047	DIAMONDBACK E&P LLC	1	11,400	2014-01-22
8	42-329-36324	DIAMONDBACK E&P LLC	2	10,600	2009-06-24
1	42-329-33842	DIAMONDBACK E&P LLC	1	10,150	1997-07-28

TXL N 43-1

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 (3)

Production History