REGAN-MCELVAIN

Oil · District 08 · Lease #43523

Operator: OXY USA INC.

Cum Oil

322k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2012-11 — 2026-04

Peak Month

2013-01

Production History

Cum Oil: 321,752 BBL Cum Gas: 1,017,374 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,294 BBL/mo

Di (annual)

20.7%

b-factor

0.0

EUR

248,552 BBL

R-squared

0.432

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 GREENLAKE ENERGY OPERATING, LLC 15 mo
2012-11 — 2025-04 OXY USA INC. 150 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HGREENLAKE ENERGY OPERATING, LLC215,5002012-05-14