ELDON GURLEY 85

Oil · District 10 · Lease #8504

Operator: UNITED OIL & SHALE LLC

Cum Oil

14k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

2012-03 — 2020-11

Peak Month

2012-09

Production History

Cum Oil: 13,778 BBL Cum Gas: 22,085 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

752 BBL/mo

Di (annual)

92.9%

b-factor

0.4

EUR

15,897 BBL

R-squared

0.477

type

hyperbolic

Operator History (from monthly production reports)

2026-02 — 2026-07 UNITED OIL & SHALE LLC 6 mo
2019-07 — 2026-01 PRESIDIO PETROLEUM LLC 79 mo
2012-04 — 2019-06 APACHE CORPORATION 87 mo
2012-03 — 2012-03 CORLENA OIL COMPANY 1 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNITED OIL & SHALE LLC17,0002012-01-13