GREATHOUSE -B-

Oil · District 7C · Lease #1608

Operator: STEPHENS, AUTRY C.

Cum Oil

171k BBL

Cum Gas

193k MCF

casinghead

Wells

4

Production

1993-01 — 2022-11

Peak Month

1995-10

Production History

Cum Oil: 170,849 BBL Cum Gas: 192,822 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,746 BBL/mo

Di (annual)

14.3%

b-factor

0.1

EUR

161,769 BBL

R-squared

0.831

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
1994-10 — 2000-08 STEPHENS, AUTRY C. 71 mo
1993-04 — 1994-09 PERMIAN RESOURCES, INC. 18 mo
1993-01 — 1993-03 RIDLEY & PRESTON 3 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC19,2001995-06-09
1DIAMONDBACK E&P LLC19,2001995-05-16
4ENDEAVOR ENERGY RESOURCES L.P.19,2001995-05-16
342-461-00842DIAMONDBACK E&P LLC------