H. MUELLER 18A

Oil · District 02 · Lease #10223

Operator: GEOSOUTHERN ENERGY CORPORATION

Cum Oil

1.0M BBL

Cum Gas

3.6M MCF

casinghead

Wells

7

Production

2012-07 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 1,012,059 BBL Cum Gas: 3,552,112 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

67,953 BBL/mo

Di (annual)

174.1%

b-factor

0.5

EUR

916,602 BBL

R-squared

0.795

type

hyperbolic

Operator History (from monthly production reports)

2025-07 — 2026-07 BPX OPERATING COMPANY 13 mo
2014-03 — 2025-06 DEVON ENERGY PRODUCTION CO, L.P. 136 mo
2012-07 — 2014-02 GEOSOUTHERN ENERGY CORPORATION 20 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HBPX OPERATING COMPANY114,0002013-05-17
6HBPX OPERATING COMPANY114,0002013-05-17
7HBPX OPERATING COMPANY114,0002013-05-17
2HBPX OPERATING COMPANY114,0002013-05-13
3HBPX OPERATING COMPANY114,0002013-05-13
4HBPX OPERATING COMPANY114,0002013-05-13
1HBPX OPERATING COMPANY214,0002012-02-06