O. S. RANCH "A"

Oil · District 8A · Lease #14124

Operator: THREE R OIL COMPANY

Cum Oil

40k BBL

Cum Gas

21 MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2008-06

Production History

Cum Oil: 39,680 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

229 BBL/mo

Di (annual)

23.5%

b-factor

1.9

EUR

44,815 BBL

R-squared

0.849

type

hyperbolic

Operator History (from monthly production reports)

1993-06 — 2026-07 THREE R OIL COMPANY 398 mo
1993-01 — 1993-05 ROCKER A OPERATING COMPANY 5 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6THREE R OIL COMPANY13,0002008-03-21
242-169-01801THREE R OIL COMPANY------
342-169-01656THREE R OIL COMPANY------
442-169-01667THREE R OIL COMPANY------
542-169-01668THREE R OIL COMPANY------