RIO SAN GABRIEL 28-29 UNIT 2

Oil · District 08 · Lease #51914

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

4.0M BBL

Cum Gas

12.6M MCF

casinghead

Wells

11

Production

2019-03 — 2026-04

Peak Month

2019-04

Production History

Cum Oil: 4,035,897 BBL Cum Gas: 12,551,239 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

87,979 BBL/mo

Di (annual)

29.6%

b-factor

0.0

EUR

3,569,757 BBL

R-squared

0.543

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 70 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
164DIAMONDBACK E&P LLC110,3362024-03-20
183DIAMONDBACK E&P LLC111,0002018-06-21
182DIAMONDBACK E&P LLC111,0002018-05-10
281DIAMONDBACK E&P LLC111,0002018-05-10
171DIAMONDBACK E&P LLC111,0002018-05-09
263DIAMONDBACK E&P LLC111,0002018-05-09
272DIAMONDBACK E&P LLC111,0002018-05-09
152DIAMONDBACK E&P LLC111,0002018-05-07
162DIAMONDBACK E&P LLC211,0002018-05-07
251DIAMONDBACK E&P LLC111,0002018-05-07
261DIAMONDBACK E&P LLC111,0002018-05-07