MCDONALD, J. M.

Oil · District 7B · Lease #20775

Operator: SKY RESOURCES, INC.

Fields: DELONG (ZONE C)

Cum Oil

2k BBL

Cum Gas

106k MCF

casinghead

Wells

1

Production

1993-01 — 2006-06

Peak Month

1994-02

Production History

Cum Oil: 2,310 BBL Cum Gas: 105,684 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

64 BBL/mo

Di (annual)

38.3%

b-factor

0.1

EUR

2,171 BBL

R-squared

0.738

type

hyperbolic

Operator History (from monthly production reports)

2003-07 — 2008-03 SKY RESOURCES, INC. 57 mo

2001-04 — 2003-06 SKY DEVELOPMENT CORPORATION 27 mo

1993-01 — 2001-03 FIVE K PARTNERSHIP 99 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1 B	42-429-33350	SKY RESOURCES, INC.	1	4,300	1982-06-14