MCKNIGHT-CROLEY

Oil · District 08 · Lease #16909

Operator: PENNZOIL PETROLEUM COMPANY

Fields: SAND HILLS (WOLFCAMP)

Cum Oil

10k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1993-01 — 1997-04

Peak Month

1993-06

Production History

Cum Oil: 9,742 BBL Cum Gas: 8,916 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

254 BBL/mo

Di (annual)

18.3%

b-factor

0.0

EUR

16,608 BBL

R-squared

0.715

type

exponential

Operator History (from monthly production reports)

2000-04 — 2008-03 DEVON ENERGY PRODUCTION CO, L.P. 96 mo

1999-03 — 2000-03 PENNZENERGY EXP. & PROD., L.L.C. 13 mo

1995-02 — 1999-02 PENNZOIL EXPLORATION & PROD. CO. 49 mo

1993-01 — 1995-01 PENNZOIL PETROLEUM COMPANY 25 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-103-02593	RING ENERGY, INC.	4	6,030	2009-11-10