ROBERTSON, R.O.

Oil · District 7B · Lease #27446

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

23k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

1995-01 — 2026-02

Peak Month

1995-02

Production History

Cum Oil: 23,005 BBL Cum Gas: 7,860 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

524 BBL/mo

Di (annual)

131.5%

b-factor

0.8

EUR

15,078 BBL

R-squared

0.747

type

hyperbolic

Operator History (from monthly production reports)

2019-05 — 2026-07 SOJOURNER DRILLING CORPORATION 87 mo
2014-08 — 2019-04 PHILLIPS, BOB 57 mo
1995-01 — 2014-07 HARDING COMPANY 235 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION15,0001994-11-07