BLAND -A-

Oil · District 7B · Lease #16589

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

69k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

1993-01 — 2016-03

Peak Month

2007-03

Production History

Cum Oil: 69,280 BBL Cum Gas: 46,082 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

450 BBL/mo

Di (annual)

7.0%

b-factor

0.0

EUR

74,373 BBL

R-squared

0.570

type

exponential

Operator History (from monthly production reports)

1998-12 — 2018-06 SOJOURNER DRILLING CORPORATION 235 mo
1993-01 — 1998-11 RAYMOND, WM. C. 71 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOJOURNER DRILLING CORPORATION26,0002018-05-17