BR ETHELDRA

Oil · District 05 · Lease #3908

Operator: TANOS EXPLORATION II, LLC

Cum Oil

46k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

2009-09 — 2026-04

Peak Month

2009-11

Production History

Cum Oil: 46,299 BBL Cum Gas: 11,175 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,401 BBL/mo

Di (annual)

194.3%

b-factor

0.8

EUR

28,761 BBL

R-squared

0.354

type

hyperbolic

Operator History (from monthly production reports)

2021-08 — 2026-07 DIVERSIFIED PRODUCTION LLC 60 mo
2016-01 — 2021-07 TANOS EXPLORATION II, LLC 67 mo
2009-09 — 2015-12 BURLINGTON RESOURCES O & G CO LP 76 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIVERSIFIED PRODUCTION LLC213,6002008-10-02