TRUST "139"

Oil · District 7B · Lease #27480

Operator: VAN OPERATING, LTD.

Cum Oil

18k BBL

Cum Gas

25k MCF

casinghead

Wells

1

Production

1995-02 — 1999-09

Peak Month

1995-10

Production History

Cum Oil: 18,270 BBL Cum Gas: 25,019 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

985 BBL/mo

Di (annual)

113.0%

b-factor

0.5

EUR

20,205 BBL

R-squared

0.783

type

hyperbolic

Operator History (from monthly production reports)

1995-08 — 1999-12 VAN OPERATING, LTD. 53 mo
1995-02 — 1995-07 JONES COMPANY, LTD. 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VAN OPERATING LTD.35,0001999-10-21