NIBLO "A"

Oil · District 8A · Lease #67633

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

109k BBL

Cum Gas

329 MCF

casinghead

Wells

2

Production

1996-10 — 2026-04

Peak Month

1997-05

Production History

Cum Oil: 108,735 BBL Cum Gas: 329 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

982 BBL/mo

Di (annual)

14.6%

b-factor

0.3

EUR

107,336 BBL

R-squared

0.779

type

hyperbolic

Operator History (from monthly production reports)

2024-04 — 2026-07 SOJOURNER DRILLING CORPORATION 28 mo
1996-10 — 2024-03 POLK PETROLEUM, INC. 330 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOJOURNER DRILLING CORPORATION13,2001996-12-05
1ASOJOURNER DRILLING CORPORATION13,2001996-07-22