SPRABERRY TREND PROSPECTS -A-

Oil · District 08 · Lease #31482

Operator: TSF OPERATING

Cum Oil

128k BBL

Cum Gas

120k MCF

casinghead

Wells

1

Production

1993-01 — 2024-12

Peak Month

1993-07

Production History

Cum Oil: 128,456 BBL Cum Gas: 119,543 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

688 BBL/mo

Di (annual)

5.9%

b-factor

0.0

EUR

132,069 BBL

R-squared

0.414

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2007-06 — 2021-01 LEGACY RESERVES OPERATING LP 164 mo
1999-01 — 2007-05 TSF OPERATING 101 mo
1993-01 — 1998-12 TEXAKOMA OIL & GAS CORPORATION 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTEX OPERATING COMPANY19,2001987-02-04