TWILLEY UNIT

Oil · District 8A · Lease #68503

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

317k BBL

Cum Gas

123k MCF

casinghead

Wells

1

Production

2002-10 — 2026-04

Peak Month

2002-11

Production History

Cum Oil: 317,433 BBL Cum Gas: 123,438 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,606 BBL/mo

Di (annual)

49.7%

b-factor

0.5

EUR

250,441 BBL

R-squared

0.601

type

hyperbolic

Operator History (from monthly production reports)

2002-10 — 2026-07 OCCIDENTAL PERMIAN LTD. 286 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OCCIDENTAL PERMIAN LTD.47,5002009-08-06