SONNY SEIFERT A

Oil · District 02 · Lease #10528

Operator: GEOSOUTHERN ENERGY CORPORATION

Cum Oil

3.9M BBL

Cum Gas

6.9M MCF

casinghead

Wells

13

Production

2012-09 — 2026-04

Peak Month

2013-08

Production History

Cum Oil: 3,877,379 BBL Cum Gas: 6,948,516 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

100,616 BBL/mo

Di (annual)

98.1%

b-factor

0.5

EUR

2,364,935 BBL

R-squared

0.443

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
2012-09 — 2014-02 GEOSOUTHERN ENERGY CORPORATION 18 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14HBPX OPERATING COMPANY114,0002025-01-16
15HBPX OPERATING COMPANY114,0002025-01-16
7HBPX OPERATING COMPANY114,0002012-09-27
6HBPX OPERATING COMPANY114,0002012-09-19
11HBPX OPERATING COMPANY114,0002012-09-17
10HBPX OPERATING COMPANY114,0002012-09-14
9HBPX OPERATING COMPANY114,0002012-08-16
8HBPX OPERATING COMPANY114,0002012-08-14
3HBPX OPERATING COMPANY214,0002012-07-30
4HBPX OPERATING COMPANY214,0002012-07-30
5HBPX OPERATING COMPANY114,0002012-07-30
1HBPX OPERATING COMPANY114,0002012-07-26
2HBPX OPERATING COMPANY214,0002012-07-26