LOCKHART 10

Oil · District 10 · Lease #8569

Operator: PRESIDIO PETROLEUM LLC

Cum Oil

183k BBL

Cum Gas

1.5M MCF

casinghead

Wells

2

Production

2011-12 — 2026-04

Peak Month

2012-02

Production History

Cum Oil: 182,621 BBL Cum Gas: 1,472,406 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,359 BBL/mo

Di (annual)

131.2%

b-factor

0.6

EUR

154,033 BBL

R-squared

0.753

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 PRESIDIO PETROLEUM LLC 85 mo
2012-12 — 2019-06 APACHE CORPORATION 79 mo
2011-12 — 2012-11 GRANITE OPERATING COMPANY 12 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HDPRESIDIO PETROLEUM LLC18,0002012-08-14
4HBPRESIDIO PETROLEUM LLC17,8002011-07-14