< leases

COSEKA/SAXON-KEENEY "A"

Oil · District 7C · Lease #10547

Operator: HEC PETROLEUM, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

62k BBL

Cum Gas

217k MCF

casinghead

Wells

3

Production

1993-01 — 2012-12

Peak Month

1993-03

Production History

Cum Oil: 61,842 BBL Cum Gas: 216,751 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

506 BBL/mo

Di (annual)

13.7%

b-factor

0.0

EUR

44,308 BBL

R-squared

0.474

type

exponential

Operator History (from monthly production reports)

2006-04 — 2013-06 CHEVRON MIDCONTINENT, L.P. 87 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1995-08 — 2001-12 HALLWOOD PETROLEUM, INC. 77 mo
1993-01 — 1995-07 HALLWOOD ENERGY CORPORATION 31 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-461-34114CHEVRON MIDCONTINENT L.P.311,0002000-11-01
142-461-32099CHEVRON MIDCONTINENT L.P.19,3501983-11-18
242-461-32101CHEVRON MIDCONTINENT L.P.19,3501983-11-18