LOCKHART 57

Oil · District 10 · Lease #7501

Operator: UNBRIDLED RESOURCES, LLC

Cum Oil

17k BBL

Cum Gas

603k MCF

casinghead

Wells

2

Production

2004-03 — 2016-12

Peak Month

2004-04

Production History

Cum Oil: 16,803 BBL Cum Gas: 603,317 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

369 BBL/mo

Di (annual)

68.3%

b-factor

0.5

EUR

12,246 BBL

R-squared

0.644

type

hyperbolic

Operator History (from monthly production reports)

2020-11 — 2026-07 UNBRIDLED RESOURCES, LLC 69 mo
2016-01 — 2020-10 4P ENERGY TEXAS, LLC 58 mo
2014-05 — 2015-12 ENERVEST OPERATING, L.L.C. 20 mo
2004-03 — 2014-04 EOG RESOURCES, INC. 122 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
34P ENERGY TEXAS, LLC27,8802004-04-30
4EOG RESOURCES INC.17,8002001-10-09