BLACK DOG 4231 E

Oil · District 7C · Lease #20249

Operator: APACHE CORPORATION

Cum Oil

553k BBL

Cum Gas

4.5M MCF

casinghead

Wells

2

Production

2019-04 — 2026-04

Peak Month

2019-05

Production History

Cum Oil: 553,394 BBL Cum Gas: 4,482,041 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,537 BBL/mo

Di (annual)

180.3%

b-factor

0.6

EUR

566,268 BBL

R-squared

0.948

type

hyperbolic

Operator History (from monthly production reports)

2019-04 — 2026-07 APACHE CORPORATION 88 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HMAPACHE CORPORATION110,0002018-12-31
10HMAPACHE CORPORATION110,0002018-09-18