SHANNON ESTATE A

Oil · District 7C · Lease #17508

Operator: SBJ OIL & GAS, LLC

Cum Oil

53k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 53,084 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,468 BBL/mo

Di (annual)

56.3%

b-factor

0.1

EUR

34,688 BBL

R-squared

0.818

type

hyperbolic

Operator History (from monthly production reports)

2026-04 — 2026-07 PETX OPERATING LLC 4 mo
2021-03 — 2026-03 SAFEMARK OIL & GAS, LLC 61 mo
2020-04 — 2021-02 BOYD & MCWILLIAMS ENERGY GROUP 11 mo
2019-10 — 2020-03 SAFEMARK OIL & GAS, LLC 6 mo
2018-05 — 2019-09 SBJ OIL & GAS, LLC 17 mo
2017-12 — 2018-04 AVAD OPERATING, LLC 5 mo
2011-06 — 2017-11 EOG RESOURCES, INC. 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETX OPERATING LLC16,1002010-08-05