MERCHANT ESTATE -14-

Oil · District 7C · Lease #4756

Operator: STEPHENS, AUTRY C.

Cum Oil

88k BBL

Cum Gas

1.4M MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

1993-11

Production History

Cum Oil: 88,364 BBL Cum Gas: 1,387,743 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

571 BBL/mo

Di (annual)

8.4%

b-factor

0.0

EUR

80,422 BBL

R-squared

0.560

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DIAMONDBACK E&P LLC18,5001978-03-22
7DIAMONDBACK E&P LLC18,0001978-03-01
6DIAMONDBACK E&P LLC18,5001978-02-01
5DIAMONDBACK E&P LLC18,5001977-10-06
142-383-10664DIAMONDBACK E&P LLC------
2D42-383-10832DIAMONDBACK E&P LLC------
342-383-10850DIAMONDBACK E&P LLC------
442-383-10969DIAMONDBACK E&P LLC------