PENTECOST

Oil · District 7C · Lease #13470

Operator: MARSHALL & WINSTON, INC.

Cum Oil

25k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1993-05 — 2017-05

Peak Month

1993-07

Production History

Cum Oil: 25,216 BBL Cum Gas: 9,166 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

417 BBL/mo

Di (annual)

39.1%

b-factor

0.6

EUR

26,178 BBL

R-squared

0.673

type

hyperbolic

Operator History (from monthly production reports)

1997-10 — 2022-10 KATSCO ENERGY, INC. 301 mo
1993-05 — 1997-09 MARSHALL & WINSTON, INC. 53 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KATSCO ENERGY INC.16,2001993-03-19