< leases

ORSBORN, ALMA

Oil · District 7B · Lease #25760

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: KATZ (5100)

Cum Oil

95k BBL

Cum Gas

14k MCF

casinghead

Wells

3

Production

1993-01 — 2008-02

Peak Month

1993-01

Production History

Cum Oil: 94,553 BBL Cum Gas: 13,698 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,155 BBL/mo

Di (annual)

35.2%

b-factor

0.2

EUR

91,728 BBL

R-squared

0.957

type

hyperbolic

Operator History (from monthly production reports)

2007-04 — 2009-12 APACHE CORPORATION 33 mo
2006-03 — 2007-03 KERR-MCGEE OIL & GAS ONSHORE LP 13 mo
2002-03 — 2006-02 WESTPORT OIL AND GAS COMPANY, LP 48 mo
1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo
1998-03 — 1998-08 CODA ENERGY, INC. 6 mo
1996-02 — 1998-02 ENERVEST OPERATING, L.L.C. 25 mo
1993-01 — 1996-01 CONOCO INC. 37 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-275-31950APACHE CORPORATION25,3001990-03-05
342-275-31949APACHE CORPORATION15,3001990-02-28
242-275-31943APACHE CORPORATION15,3001990-01-23