WILLIS "44"

Oil · District 08 · Lease #37595

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

2k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

2005-05 — 2007-11

Peak Month

2005-06

Production History

Cum Oil: 1,563 BBL Cum Gas: 10,987 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

93 BBL/mo

Di (annual)

147.2%

b-factor

2.0

EUR

8,463 BBL

R-squared

0.455

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2005-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 236 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6DIAMONDBACK E&P LLC413,0002017-03-09