RIO NUECES 37-44 UNIT 2

Oil · District 08 · Lease #52974

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

2.2M BBL

Cum Gas

8.3M MCF

casinghead

Wells

6

Production

2019-05 — 2026-04

Peak Month

2020-05

Production History

Cum Oil: 2,151,012 BBL Cum Gas: 8,347,277 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

175,189 BBL/mo

Di (annual)

367.6%

b-factor

0.8

EUR

2,044,359 BBL

R-squared

0.929

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 68 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
251DIAMONDBACK E&P LLC111,0002019-03-28
272DIAMONDBACK E&P LLC111,0002019-03-26
281DIAMONDBACK E&P LLC111,0002019-03-26
261DIAMONDBACK E&P LLC111,0002019-03-25
262DIAMONDBACK E&P LLC111,0002019-03-25
271DIAMONDBACK E&P LLC111,0002019-03-25