CLARKSON RANCH

Oil · District 7C · Lease #13550

Operator: STEPHENS, AUTRY C.

Cum Oil

80k BBL

Cum Gas

494k MCF

casinghead

Wells

5

Production

1993-07 — 2024-01

Peak Month

1994-10

Production History

Cum Oil: 80,327 BBL Cum Gas: 493,688 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,009 BBL/mo

Di (annual)

17.7%

b-factor

0.2

EUR

84,017 BBL

R-squared

0.819

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2024-08 ENDEAVOR ENERGY RESOURCES L.P. 288 mo
1993-07 — 2000-08 STEPHENS, AUTRY C. 86 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.18,2501993-06-07
2ENDEAVOR ENERGY RESOURCES L.P.18,2501993-06-07
10 L42-383-20042ENDEAVOR ENERGY RESOURCES L.P.------
11 L42-383-10879ENDEAVOR ENERGY RESOURCES L.P.------
9 L42-383-20132ENDEAVOR ENERGY RESOURCES L.P.------