ROBERTSON, W. T.

Oil · District 03 · Lease #23305

Operator: WHITE OAK OPERATING COMPANY LLC

Cum Oil

13k BBL

Cum Gas

21k MCF

casinghead

Wells

1

Production

1997-07 — 2006-01

Peak Month

1997-09

Production History

Cum Oil: 13,434 BBL Cum Gas: 20,622 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

673 BBL/mo

Di (annual)

120.6%

b-factor

0.4

EUR

10,952 BBL

R-squared

0.624

type

hyperbolic

Operator History (from monthly production reports)

2005-08 — 2009-03 CHAPARRAL ENERGY, L.L.C. 44 mo
2004-07 — 2005-07 OPEX ENERGY, LLC 13 mo
2002-05 — 2004-06 WHITE OAK OPERATING COMPANY LLC 26 mo
2001-09 — 2002-04 BISON ENERGY PARTNERS, LTD. 8 mo
1999-11 — 2001-08 BISON ENERGY PARTNERS, INC. 22 mo
1997-07 — 1999-10 HOUSTON HYDROCARBONS, INC. (A) 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHAPARRAL ENERGY L.L.C.49,2001997-07-30