TWILLEY A

Oil · District 8A · Lease #68544

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

80k BBL

Cum Gas

17k MCF

casinghead

Wells

2

Production

2003-03 — 2018-07

Peak Month

2003-06

Production History

Cum Oil: 80,484 BBL Cum Gas: 17,383 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,192 BBL/mo

Di (annual)

206.5%

b-factor

0.4

EUR

59,735 BBL

R-squared

0.823

type

hyperbolic

Operator History (from monthly production reports)

2003-03 — 2026-07 OCCIDENTAL PERMIAN LTD. 281 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OCCIDENTAL PERMIAN LTD.57,5002016-03-18
2OCCIDENTAL PERMIAN LTD.27,5002010-01-20