< leases

FANDANGO

Oil · District 7C · Lease #13902

Operator: QUEEN SAND OPERATING CO.

Fields: SLEDGEHAMMER (FUSSELMAN)

Cum Oil

1.3M BBL

Cum Gas

593k MCF

casinghead

Wells

2

Production

1995-10 — 2026-04

Peak Month

2011-03

Production History

Cum Oil: 1,262,339 BBL Cum Gas: 593,193 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,160 BBL/mo

Di (annual)

79.1%

b-factor

0.6

EUR

507,581 BBL

R-squared

0.904

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2009-12 — 2021-01 LEGACY RESERVES OPERATING LP 134 mo
2004-11 — 2009-11 COMSTOCK OIL & GAS, LP 61 mo
2003-10 — 2004-10 COMSTOCK OIL & GAS, INC. 13 mo
2001-01 — 2003-09 DEVX OPERATING COMPANY 33 mo
1999-07 — 2000-12 QUEEN SAND OPERATING CO. 18 mo
1997-08 — 1999-06 NORTHLAND OPERATING COMPANY 23 mo
1995-10 — 1997-07 COLLINS & WARE, INC. 22 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-383-34732EXTEX OPERATING COMPANY110,3001997-02-28
142-383-34450EXTEX OPERATING COMPANY110,3001995-08-08