RIO PECOS 27-18SL UNIT1

Oil · District 08 · Lease #48852

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

2.5M BBL

Cum Gas

7.3M MCF

casinghead

Wells

8

Production

2017-03 — 2026-04

Peak Month

2017-05

Production History

Cum Oil: 2,503,446 BBL Cum Gas: 7,297,632 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,537 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

2,570,961 BBL

R-squared

0.370

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2017-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 94 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
141DIAMONDBACK E&P LLC111,0002019-06-04
231DIAMONDBACK E&P LLC111,0002019-06-04
242DIAMONDBACK E&P LLC111,0002019-06-04
1LADIAMONDBACK E&P LLC112,5002016-07-20
1UADIAMONDBACK E&P LLC212,0002016-07-19
2LADIAMONDBACK E&P LLC112,0002016-06-29
2LBDIAMONDBACK E&P LLC112,5002016-06-29
2UADIAMONDBACK E&P LLC112,0002016-06-29