< leases

ROBINSON 34

Oil · District 08 · Lease #44145

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Fields: SPRABERRY (TREND AREA)

Cum Oil

125k BBL

Cum Gas

438k MCF

casinghead

Wells

2

Production

2013-04 — 2024-10

Peak Month

2013-08

Production History

Cum Oil: 124,588 BBL Cum Gas: 437,933 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,244 BBL/mo

Di (annual)

39.2%

b-factor

0.1

EUR

110,229 BBL

R-squared

0.626

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-04 DIAMONDBACK E&P LLC 16 mo
2018-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 82 mo
2015-02 — 2018-02 ENCANA OIL & GAS(USA) INC. 37 mo
2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo
2013-04 — 2013-12 ATHLON FE OPERATING LLC 9 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-329-38492DIAMONDBACK E&P LLC111,7502013-01-17
142-329-38460DIAMONDBACK E&P LLC111,7502013-01-02