AMMANN EFS

Oil · District 01 · Lease #18374

Operator: SEA EAGLE FORD, LLC

Cum Oil

348k BBL

Cum Gas

3.2M MCF

casinghead

Wells

2

Production

2015-02 — 2026-03

Peak Month

2015-12

Production History

Cum Oil: 348,127 BBL Cum Gas: 3,210,707 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,381 BBL/mo

Di (annual)

100.5%

b-factor

0.5

EUR

376,464 BBL

R-squared

0.806

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 ATLAS OPERATING LLC 83 mo
2015-02 — 2019-08 SEA EAGLE FORD, LLC 55 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HAATLAS OPERATING LLC17,0002015-02-03
2HAATLAS OPERATING LLC17,0002015-01-26