WALLACE

Oil · District 8A · Lease #67285

Operator: THREE SPAN OIL & GAS, INC.

Cum Oil

433k BBL

Cum Gas

300k MCF

casinghead

Wells

2

Production

1994-08 — 2026-04

Peak Month

1995-10

Production History

Cum Oil: 432,818 BBL Cum Gas: 299,516 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,982 BBL/mo

Di (annual)

103.9%

b-factor

1.4

EUR

417,506 BBL

R-squared

0.948

type

hyperbolic

Operator History (from monthly production reports)

2002-06 — 2026-07 THREE SPAN OIL & GAS, INC. 290 mo
1994-08 — 2002-05 MURCHISON OIL & GAS INC 94 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2THREE SPAN OIL & GAS, INC.37,8001995-08-31
1THREE SPAN OIL & GAS, INC.27,8001994-01-31