< leases

STOKER, K. ET UX "C"

Oil · District 8A · Lease #12918

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: ROCKER -A- (CLEAR FORK)

Cum Oil

329k BBL

Cum Gas

143k MCF

casinghead

Wells

3

Production

1993-01 — 2020-02

Peak Month

1999-05

Production History

Cum Oil: 329,248 BBL Cum Gas: 143,330 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,193 BBL/mo

Di (annual)

10.5%

b-factor

0.3

EUR

317,645 BBL

R-squared

0.804

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2008-01 — 2021-01 LEGACY RESERVES OPERATING LP 157 mo
2006-04 — 2007-12 CHEVRON MIDCONTINENT, L.P. 21 mo
2000-06 — 2006-03 PURE RESOURCES, L.P. 70 mo
1993-01 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 89 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1142-169-10105EXTEX OPERATING COMPANY14,0002006-04-18
1942-169-32877EXTEX OPERATING COMPANY23,3901995-05-18
7 L42-169-02018EXTEX OPERATING COMPANY------