< leases

WILLIAMS -13-6

Oil · District 7C · Lease #12239

Operator: PETRODATA RESOURCES, INC.

Fields: BUTTES (WICHITA ALBANY)

Cum Oil

15k BBL

Cum Gas

102k MCF

casinghead

Wells

1

Production

1993-01 — 2014-08

Peak Month

2003-08

Production History

Cum Oil: 14,832 BBL Cum Gas: 102,396 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

184 BBL/mo

Di (annual)

158.1%

b-factor

1.0

EUR

6,117 BBL

R-squared

0.725

type

hyperbolic

Operator History (from monthly production reports)

2003-01 — 2015-06 PETRODATA RESOURCES, INC. 150 mo
1999-08 — 2002-12 BRECK OPERATING CORP. 41 mo
1998-01 — 1999-07 CONCHO RESOURCES INC. 19 mo
1997-02 — 1997-12 COSTILLA ENERGY, INC. 11 mo
1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo
1995-03 — 1996-05 PARKER & PARSLEY DEVELOPMENT L.P 15 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
642-235-32674PETRODATA RESOURCES INC.26,7001987-07-23