BLACK FLAG STATE UNIT 253-254E

Oil · District 08 · Lease #50139

Operator: PRIMEXX OPERATING CORPORATION

Cum Oil

886k BBL

Cum Gas

1.9M MCF

casinghead

Wells

5

Production

2018-07 — 2026-04

Peak Month

2020-04

Production History

Cum Oil: 885,722 BBL Cum Gas: 1,866,444 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,292 BBL/mo

Di (annual)

105.1%

b-factor

0.7

EUR

939,956 BBL

R-squared

0.509

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2021-10 — 2024-07 CALLON PETROLEUM OPERATING CO 34 mo
2018-07 — 2021-09 PRIMEXX OPERATING CORPORATION 39 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11BSAPACHE CORPORATION311,5002023-10-12
2UAAPACHE CORPORATION311,5002023-10-12
99HAPACHE CORPORATION113,0002019-11-26
10HAPACHE CORPORATION113,0002018-09-30
5HAPACHE CORPORATION113,5002013-12-30