TOLLESON UNIT

Oil · District 09 · Lease #27613

Operator: SPENCE ENERGY COMPANY

Cum Oil

4k BBL

Cum Gas

36 MCF

casinghead

Wells

1

Production

1993-01 — 1995-12

Peak Month

1993-12

Production History

Cum Oil: 4,285 BBL Cum Gas: 36 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

375 BBL/mo

Di (annual)

404.1%

b-factor

0.6

EUR

2,536 BBL

R-squared

0.728

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1996-08 SPENCE ENERGY COMPANY 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3FELDERHOFF PRODUCTION COMPANY16,0001989-10-27