ROBERTSON, R.H. -B-

Oil · District 01 · Lease #12257

Operator: SPAIN OIL COMPANY

Fields: SOMERSET

Cum Oil

602 BBL

Cum Gas

19 MCF

casinghead

Wells

1

Production

1993-01 — 1997-01

Peak Month

1995-09

Production History

Cum Oil: 602 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

132 BBL/mo

Di (annual)

892.2%

b-factor

0.5

EUR

334 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

1994-07 — 2026-07 SPAIN OIL COMPANY 385 mo

1994-04 — 1994-06 LUCROS INTERNATIONAL CORPORATION 3 mo

1993-01 — 1994-03 FAR, INC. 15 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
11	42-029-37720	SPAIN OIL COMPANY	1	2,000	1987-12-13