ROACH

Oil · District 7C · Lease #14229

Operator: STEPHENS, AUTRY C.

Cum Oil

60k BBL

Cum Gas

1.1M MCF

casinghead

Wells

3

Production

1995-11 — 2026-04

Peak Month

1998-07

Production History

Cum Oil: 60,464 BBL Cum Gas: 1,133,168 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

784 BBL/mo

Di (annual)

23.0%

b-factor

0.3

EUR

56,640 BBL

R-squared

0.912

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2000-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 292 mo
1995-11 — 2000-08 STEPHENS, AUTRY C. 58 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC18,4001997-10-03
2DIAMONDBACK E&P LLC18,0001982-02-04
1DIAMONDBACK E&P LLC18,0001979-12-19