RICKER -D-

Oil · District 7C · Lease #4726

Operator: STEPHENS, AUTRY C.

Cum Oil

75k BBL

Cum Gas

744k MCF

casinghead

Wells

4

Production

1993-01 — 2025-09

Peak Month

2012-11

Production History

Cum Oil: 74,752 BBL Cum Gas: 744,205 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,435 BBL/mo

Di (annual)

122.2%

b-factor

0.9

EUR

50,813 BBL

R-squared

0.853

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
1993-01 — 2000-08 STEPHENS, AUTRY C. 92 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC212,0002012-03-08
4DIAMONDBACK E&P LLC212,0002012-03-05
2DIAMONDBACK E&P LLC18,2001983-11-01
142-383-10505DIAMONDBACK E&P LLC------