WINDHAM "128"

Oil · District 7C · Lease #17060

Operator: TS OIL, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

83k BBL

Cum Gas

721k MCF

casinghead

Wells

2

Production

2009-11 — 2026-04

Peak Month

2010-09

Production History

Cum Oil: 82,661 BBL Cum Gas: 721,112 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,526 BBL/mo

Di (annual)

93.0%

b-factor

0.4

EUR

74,983 BBL

R-squared

0.881

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 TS OIL, LLC 17 mo

2021-09 — 2025-02 GTG OPERATING, LLC 42 mo

2019-08 — 2021-08 SUMMIT PETROLEUM LLC 25 mo

2009-11 — 2019-07 MEWBOURNE OIL COMPANY 117 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-461-36535	TS OIL, LLC	1	10,300	2010-02-19
1	42-461-36355	TS OIL, LLC	1	10,300	2009-08-13