SHACKELTON 31

Oil · District 08 · Lease #44331

Operator: APACHE CORPORATION

Cum Oil

1.4M BBL

Cum Gas

4.7M MCF

casinghead

Wells

9

Production

2012-11 — 2026-04

Peak Month

2015-12

Production History

Cum Oil: 1,440,185 BBL Cum Gas: 4,654,399 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

49,215 BBL/mo

Di (annual)

49.6%

b-factor

0.1

EUR

1,324,107 BBL

R-squared

0.833

type

hyperbolic

Operator History (from monthly production reports)

2012-11 — 2026-07 APACHE CORPORATION 165 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HUAPACHE CORPORATION111,0002016-12-28
5HMAPACHE CORPORATION18,7002014-09-04
6HMAPACHE CORPORATION18,7002014-09-04
9HUAPACHE CORPORATION18,6002014-09-04
4HMAPACHE CORPORATION18,7002014-09-03
7HUAPACHE CORPORATION18,7002014-09-03
3HMAPACHE CORPORATION18,5002014-06-02
1APACHE CORPORATION111,5002012-08-11
2APACHE CORPORATION111,5002012-08-11