PRESTON

Oil · District 8A · Lease #68735

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

356k BBL

Cum Gas

94k MCF

casinghead

Wells

2

Production

2005-01 — 2026-04

Peak Month

2005-09

Production History

Cum Oil: 356,334 BBL Cum Gas: 94,279 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,669 BBL/mo

Di (annual)

50.1%

b-factor

0.1

EUR

390,451 BBL

R-squared

0.845

type

hyperbolic

Operator History (from monthly production reports)

2005-01 — 2026-07 OCCIDENTAL PERMIAN LTD. 259 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OCCIDENTAL PERMIAN LTD.37,5002008-12-29
2OCCIDENTAL PERMIAN LTD.17,5002005-12-12