LAGRANGE

Oil · District 7C · Lease #14297

Operator: QUEEN SAND OPERATING CO.

Cum Oil

29k BBL

Cum Gas

12k MCF

casinghead

Wells

1

Production

1995-11 — 2000-03

Peak Month

1996-03

Production History

Cum Oil: 29,287 BBL Cum Gas: 12,495 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,181 BBL/mo

Di (annual)

141.4%

b-factor

2.0

EUR

109,640 BBL

R-squared

0.765

type

hyperbolic

Operator History (from monthly production reports)

2001-01 — 2004-02 DEVX OPERATING COMPANY 38 mo
1999-07 — 2000-12 QUEEN SAND OPERATING CO. 18 mo
1997-08 — 1999-06 NORTHLAND OPERATING COMPANY 23 mo
1995-11 — 1997-07 COLLINS & WARE, INC. 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DEVX OPERATING COMPANY110,3001995-08-18