DARLA "39"

Oil · District 08 · Lease #41874

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

35k BBL

Cum Gas

14k MCF

casinghead

Wells

2

Production

2011-10 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 34,853 BBL Cum Gas: 14,257 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

377 BBL/mo

Di (annual)

19.1%

b-factor

0.7

EUR

46,050 BBL

R-squared

0.497

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2011-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 159 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002017-08-01
2DIAMONDBACK E&P LLC212,0002012-10-19