COX "10"

Oil · District 08 · Lease #36201

Operator: STEPHENS, AUTRY C.

Cum Oil

76k BBL

Cum Gas

113k MCF

casinghead

Wells

2

Production

2000-01 — 2025-06

Peak Month

2001-04

Production History

Cum Oil: 75,516 BBL Cum Gas: 113,215 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

932 BBL/mo

Di (annual)

27.0%

b-factor

0.5

EUR

72,092 BBL

R-squared

0.884

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
2000-01 — 2000-08 STEPHENS, AUTRY C. 8 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1R K PETROLEUM CORP.412,5002016-11-02
2DIAMONDBACK E&P LLC311,2002016-10-12