BLACK DOG 4231 A

Oil · District 7C · Lease #20248

Operator: APACHE CORPORATION

Cum Oil

941k BBL

Cum Gas

3.3M MCF

casinghead

Wells

2

Production

2019-05 — 2026-04

Peak Month

2019-06

Production History

Cum Oil: 941,416 BBL Cum Gas: 3,322,395 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

50,802 BBL/mo

Di (annual)

95.6%

b-factor

0.4

EUR

1,051,277 BBL

R-squared

0.936

type

hyperbolic

Operator History (from monthly production reports)

2019-05 — 2026-07 APACHE CORPORATION 87 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMAPACHE CORPORATION110,0002018-09-05
2HMAPACHE CORPORATION110,0002018-09-05