MCKINLEY UNIT

Oil · District 09 · Lease #27356

Operator: RIO GRANDE DRILLING COMPANY

Cum Oil

29k BBL

Cum Gas

29k MCF

casinghead

Wells

1

Production

1993-01 — 1997-10

Peak Month

1996-07

Production History

Cum Oil: 28,852 BBL Cum Gas: 29,180 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,437 BBL/mo

Di (annual)

801.3%

b-factor

0.7

EUR

6,442 BBL

R-squared

0.801

type

hyperbolic

Operator History (from monthly production reports)

1994-07 — 1998-02 RIO GRANDE DRILLING COMPANY 44 mo
1993-01 — 1994-06 PYRAMID ENERGY, INC. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ASTOVALL OPERATING CO.34,6002002-02-01