STEPHENS "8"

Oil · District 08 · Lease #41964

Operator: THREE RIVERS OPERATING CO II LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

82k BBL

Cum Gas

73k MCF

casinghead

Wells

2

Production

2011-11 — 2024-02

Peak Month

2013-01

Production History

Cum Oil: 81,892 BBL Cum Gas: 72,774 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,376 BBL/mo

Di (annual)

31.0%

b-factor

0.4

EUR

84,095 BBL

R-squared

0.669

type

hyperbolic

Operator History (from monthly production reports)

2020-04 — 2026-03 EOG RESOURCES, INC. 72 mo

2016-01 — 2020-03 THOMPSON, J. CLEO 51 mo

2014-12 — 2015-12 OXY USA INC. 13 mo

2014-02 — 2014-11 THREE RIVERS OPERATING CO II LLC 10 mo

2011-11 — 2014-01 PIONEER NATURAL RES. USA, INC. 27 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-115-33457	EOG RESOURCES INC.	1	11,400	2011-10-24
1	42-115-33392	EOG RESOURCES INC.	1	11,700	2011-05-11