O'BRIEN - 21

Oil · District 08 · Lease #40733

Operator: EASTLAND OIL COMPANY, THE

Cum Oil

40k BBL

Cum Gas

36k MCF

casinghead

Wells

1

Production

2010-11 — 2026-04

Peak Month

2011-03

Production History

Cum Oil: 39,501 BBL Cum Gas: 36,207 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

362 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

36,798 BBL

R-squared

0.370

type

exponential

Operator History (from monthly production reports)

2010-11 — 2026-07 EASTLAND OIL COMPANY, THE 189 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1REASTLAND OIL COMPANY, THE211,0002010-04-08