WINDHAM "33"

Oil · District 08 · Lease #34257

Operator: STEPHENS, AUTRY C.

Cum Oil

87k BBL

Cum Gas

139k MCF

casinghead

Wells

1

Production

1994-08 — 2026-04

Peak Month

1994-09

Production History

Cum Oil: 87,265 BBL Cum Gas: 139,475 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,044 BBL/mo

Di (annual)

53.1%

b-factor

1.1

EUR

85,701 BBL

R-squared

0.714

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
1994-08 — 2000-08 STEPHENS, AUTRY C. 73 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC110,1001994-07-21