RIO LLANO 11-10 E

Oil · District 08 · Lease #54351

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.4M BBL

Cum Gas

4.2M MCF

casinghead

Wells

3

Production

2019-12 — 2026-04

Peak Month

2020-11

Production History

Cum Oil: 1,436,267 BBL Cum Gas: 4,224,436 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

94,531 BBL/mo

Di (annual)

144.0%

b-factor

0.6

EUR

1,812,757 BBL

R-squared

0.921

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 61 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
151DIAMONDBACK E&P LLC29,7122019-10-28
152DIAMONDBACK E&P LLC29,7122019-10-28
253DIAMONDBACK E&P LLC29,7122019-10-28