MERCHANT ESTATE -13-

Oil · District 7C · Lease #4755

Operator: STEPHENS, AUTRY C.

Cum Oil

81k BBL

Cum Gas

1.4M MCF

casinghead

Wells

7

Production

1993-01 — 2025-10

Peak Month

2006-08

Production History

Cum Oil: 80,910 BBL Cum Gas: 1,415,691 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,001 BBL/mo

Di (annual)

14.5%

b-factor

0.0

EUR

82,886 BBL

R-squared

0.512

type

exponential

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
1993-08 — 2000-08 STEPHENS, AUTRY C. 85 mo
1993-01 — 1993-07 HOUSTON OIL & MINERALS CORP. 7 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DIAMONDBACK E&P LLC18,0001979-12-27
5DIAMONDBACK E&P LLC18,5001978-08-08
6DIAMONDBACK E&P LLC18,5001978-08-08
7DIAMONDBACK E&P LLC18,5001978-08-08
142-383-10512DIAMONDBACK E&P LLC------
242-383-20494DIAMONDBACK E&P LLC------
442-383-11168DIAMONDBACK E&P LLC------