CYPHERS "A"

Oil · District 06 · Lease #12728

Operator: RIG RUNNER EXPRESS, INC.

Cum Oil

35k BBL

Cum Gas

39k MCF

casinghead

Wells

1

Production

1993-01 — 1999-03

Peak Month

1993-03

Production History

Cum Oil: 34,783 BBL Cum Gas: 38,867 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

722 BBL/mo

Di (annual)

21.0%

b-factor

0.6

EUR

75,834 BBL

R-squared

0.832

type

hyperbolic

Operator History (from monthly production reports)

1996-11 — 2008-03 RIG RUNNER EXPRESS, INC. 137 mo
1993-01 — 1996-10 MARATHON OIL COMPANY 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RIG RUNNER EXPRESS INC.17,4001990-06-01