LAMESA WEST WATERFLOOD UNIT

Oil · District 8A · Lease #68155

Operator: STELBAR OIL CORPORATION, INC.

Cum Oil

326k BBL

Cum Gas

32k MCF

casinghead

Wells

5

Production

2000-01 — 2026-04

Peak Month

2002-08

Production History

Cum Oil: 325,890 BBL Cum Gas: 32,243 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,269 BBL/mo

Di (annual)

10.3%

b-factor

0.0

EUR

263,315 BBL

R-squared

0.646

type

exponential

Operator History (from monthly production reports)

2009-01 — 2026-07 ROCA OPERATING, INC. 211 mo
2000-01 — 2008-12 STELBAR OIL CORPORATION, INC. 108 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6ROCA OPERATING, INC.19,5002009-02-24
4SWROCA OPERATING, INC.28,2002000-04-06
1ROCA OPERATING, INC.18,2001978-05-05
242-115-10021ROCA OPERATING, INC.------
342-115-10022ROCA OPERATING, INC.------