ALVARADO

Oil · District 01 · Lease #12228

Operator: SHEPHERD OIL CO.

Fields: FAIRFIELD

Cum Oil

59 BBL

Cum Gas

2 MCF

casinghead

Wells

3

Production

1993-01 — 1995-10

Peak Month

1993-03

Production History

Cum Oil: 59 BBL Cum Gas: 2 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

46 BBL/mo

Di (annual)

125.7%

b-factor

0.0

EUR

427 BBL

R-squared

0.996

type

exponential

Operator History (from monthly production reports)

1996-06 — 2026-07 GREAT PLAINS RESOURCES, INC. 362 mo
1995-01 — 1996-05 GINCO OPERATING CO. 17 mo
1994-11 — 1994-12 MOBILE PRODUCTION SYSTEMS, INC. 2 mo
1994-06 — 1994-10 RAO OIL COMPANY 5 mo
1993-01 — 1994-05 SHEPHERD OIL CO. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GREAT PLAINS RESOURCES INC.11,2501988-12-29
1GREAT PLAINS RESOURCES INC.11,2001988-12-05
2GREAT PLAINS RESOURCES INC.11,2001988-12-05