< leases

COSEKA/SAXON DAVIDSON

Oil · District 7C · Lease #10442

Operator: HEC PETROLEUM, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

40k BBL

Cum Gas

171k MCF

casinghead

Wells

2

Production

1993-01 — 2006-05

Peak Month

1994-10

Production History

Cum Oil: 39,902 BBL Cum Gas: 170,829 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

931 BBL/mo

Di (annual)

31.2%

b-factor

0.0

EUR

35,773 BBL

R-squared

0.528

type

exponential

Operator History (from monthly production reports)

2006-04 — 2012-02 CHEVRON MIDCONTINENT, L.P. 71 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-461-33497CHEVRON MIDCONTINENT L.P.19,4001994-06-24
442-461-32071CHEVRON MIDCONTINENT L.P.19,2501983-09-29