PRENTICE

Oil · District 8A · Lease #66065

Operator: THREE RIVERS OPERATING CO LLC

Fields: PRENTICE (CLEAR FORK, LOWER)

Cum Oil

41k BBL

Cum Gas

27k MCF

casinghead

Wells

1

Production

1993-01 — 2007-05

Peak Month

1994-11

Production History

Cum Oil: 41,442 BBL Cum Gas: 27,418 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

321 BBL/mo

Di (annual)

7.4%

b-factor

0.0

EUR

50,771 BBL

R-squared

0.379

type

exponential

Operator History (from monthly production reports)

2012-08 — 2016-10 COG OPERATING LLC 51 mo

2010-04 — 2012-07 THREE RIVERS OPERATING CO LLC 28 mo

2002-02 — 2010-03 CHESAPEAKE OPERATING, INC. 98 mo

2000-08 — 2002-01 SAPIENT ENERGY CORP 18 mo

1998-05 — 2000-07 FALCON CREEK RESOURCES, INC. 27 mo

1993-01 — 1998-04 STEVENS & TULL, INC. 64 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-501-33175	COG OPERATING LLC	1	8,700	1987-04-16