LEWELLEN "9A"

Oil · District 08 · Lease #41308

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

93k BBL

Cum Gas

132k MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 93,046 BBL Cum Gas: 132,296 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

674 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

111,141 BBL

R-squared

0.321

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2011-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 163 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC312,0002017-07-13