GEFFERT A

Oil · District 02 · Lease #10277

Operator: GEOSOUTHERN ENERGY CORPORATION

Cum Oil

3.9M BBL

Cum Gas

8.9M MCF

casinghead

Wells

13

Production

2011-11 — 2026-04

Peak Month

2015-05

Production History

Cum Oil: 3,921,118 BBL Cum Gas: 8,878,726 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

213,058 BBL/mo

Di (annual)

253.0%

b-factor

0.7

EUR

2,881,203 BBL

R-squared

0.741

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
2011-11 — 2014-02 GEOSOUTHERN ENERGY CORPORATION 28 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16HBPX OPERATING COMPANY114,0002025-05-16
14HBPX OPERATING COMPANY114,0002025-04-11
15HBPX OPERATING COMPANY114,0002025-04-11
7HBPX OPERATING COMPANY214,0002014-09-18
5HBPX OPERATING COMPANY214,0002014-09-16
10HBPX OPERATING COMPANY114,0002014-09-15
11HBPX OPERATING COMPANY114,0002014-09-15
4HBPX OPERATING COMPANY214,0002014-09-15
9HBPX OPERATING COMPANY114,0002014-09-15
2HBPX OPERATING COMPANY114,0002014-09-12
3HBPX OPERATING COMPANY214,0002014-09-12
8HBPX OPERATING COMPANY114,0002014-09-11
1HBPX OPERATING COMPANY214,0002011-07-01