O'BRIEN "B"

Oil · District 08 · Lease #37713

Operator: ROFF OPERATING COMPANY, LLC

Cum Oil

59k BBL

Cum Gas

45k MCF

casinghead

Wells

1

Production

2006-04 — 2026-04

Peak Month

2006-10

Production History

Cum Oil: 58,681 BBL Cum Gas: 45,166 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

863 BBL/mo

Di (annual)

24.1%

b-factor

0.4

EUR

66,440 BBL

R-squared

0.846

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo
2021-12 — 2023-05 BLACK SWAN OPERATING, LLC 18 mo
2006-04 — 2021-11 ROFF OPERATING COMPANY, LLC 188 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OVINTIV USA INC.19,0002005-09-21