SPENCER, W. E.

Oil · District 06 · Lease #12548

Operator: ROCKWALL MARKETING CORPORATION

Cum Oil

21k BBL

Cum Gas

85k MCF

casinghead

Wells

1

Production

1993-01 — 1994-12

Peak Month

1993-03

Production History

Cum Oil: 20,907 BBL Cum Gas: 85,436 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,434 BBL/mo

Di (annual)

177.5%

b-factor

0.0

EUR

16,481 BBL

R-squared

0.924

type

exponential

Operator History (from monthly production reports)

1995-11 — 1998-04 ROCKWALL MARKETING CORPORATION 30 mo
1994-09 — 1995-10 REGAL PETROLEUM SERVICES 14 mo
1993-01 — 1994-08 GRASSO PRODUCTION MANAGEMENT,INC 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROCKWALL MARKETING CORPORATION19,3001988-08-12