COWAN MCKINNEY "R"

Oil · District 09 · Lease #28267

Operator: SABRE OPERATING, INC.

Fields: JEFFERSON, NE. (CADDO LIME)

Cum Oil

35k BBL

Cum Gas

81k MCF

casinghead

Wells

1

Production

1993-01 — 2018-02

Peak Month

1994-10

Production History

Cum Oil: 35,406 BBL Cum Gas: 80,641 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

495 BBL/mo

Di (annual)

125.2%

b-factor

0.9

EUR

17,194 BBL

R-squared

0.460

type

hyperbolic

Operator History (from monthly production reports)

2007-04 — 2018-09 JDL OPERATING, LLC 138 mo

2002-05 — 2007-03 LINDEMANN, JAMES D. 59 mo

2000-06 — 2002-04 SABRE OPERATING, INC. 23 mo

1993-01 — 2000-05 DELRAY OIL, INC. 89 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-009-40065	JDL OPERATING LLC	2	5,400	1989-03-21