THOMAS "A"

Oil · District 08 · Lease #41511

Operator: THREE RIVERS OPERATING CO II LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

114k BBL

Cum Gas

126k MCF

casinghead

Wells

3

Production

2011-05 — 2023-01

Peak Month

2013-10

Production History

Cum Oil: 114,386 BBL Cum Gas: 125,877 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,800 BBL/mo

Di (annual)

34.6%

b-factor

0.0

EUR

62,307 BBL

R-squared

0.715

type

exponential

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo

2018-01 — 2023-05 PETROLEGACY ENERGY II, LLC 65 mo

2014-12 — 2017-12 OXY USA INC. 37 mo

2012-09 — 2014-11 THREE RIVERS OPERATING CO II LLC 27 mo

2011-05 — 2012-08 MERITAGE ENERGY COMPANY, LLC 16 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1543	42-317-39474	OVINTIV USA INC.	1	12,500	2014-07-03
1533	42-317-38528	OVINTIV USA INC.	1	12,300	2013-03-13
1544	42-317-36554	OVINTIV USA INC.	1	11,000	2011-01-10