COX, C. J. -48-

Oil · District 08 · Lease #34761

Operator: STEPHENS, AUTRY C.

Cum Oil

44k BBL

Cum Gas

364k MCF

casinghead

Wells

4

Production

1995-11 — 2023-06

Peak Month

1996-05

Production History

Cum Oil: 43,774 BBL Cum Gas: 363,797 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

372 BBL/mo

Di (annual)

11.7%

b-factor

0.0

EUR

38,077 BBL

R-squared

0.553

type

exponential

Operator History (from monthly production reports)

2000-09 — 2024-03 ENDEAVOR ENERGY RESOURCES L.P. 283 mo
1995-11 — 2000-08 STEPHENS, AUTRY C. 58 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13ENDEAVOR ENERGY RESOURCES L.P.18,6201983-08-25
14ENDEAVOR ENERGY RESOURCES L.P.18,6201983-08-25
142-173-00070PIONEER NATURAL RES. USA INC.------
442-173-00074PIONEER NATURAL RES. USA INC.------