RIO GRANDE 25-20SL UNIT 2

Oil · District 08 · Lease #48257

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

2.5M BBL

Cum Gas

8.3M MCF

casinghead

Wells

10

Production

2016-12 — 2026-04

Peak Month

2017-01

Production History

Cum Oil: 2,458,039 BBL Cum Gas: 8,343,864 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,393 BBL/mo

Di (annual)

31.6%

b-factor

0.4

EUR

2,724,507 BBL

R-squared

0.569

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2016-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 97 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
153DIAMONDBACK E&P LLC111,0002019-12-30
163DIAMONDBACK E&P LLC111,0002019-12-20
7HSDIAMONDBACK E&P LLC112,5002016-06-09
8HBDIAMONDBACK E&P LLC112,0002016-05-06
7HADIAMONDBACK E&P LLC112,0002016-05-05
7HBDIAMONDBACK E&P LLC112,0002016-05-05
5HBDIAMONDBACK E&P LLC212,0002016-02-19
5HADIAMONDBACK E&P LLC212,0002016-02-10
6HADIAMONDBACK E&P LLC212,0002016-02-10
6HBDIAMONDBACK E&P LLC212,0002016-02-10