< leases

VISTA RIDGE C

Oil · District 03 · Lease #19855

Operator: STILLWATER PETROLEUM COMPANY

Fields: KURTEN (BUDA)

Cum Oil

30k BBL

Cum Gas

18k MCF

casinghead

Wells

2

Production

1993-01 — 2018-04

Peak Month

1993-04

Production History

Cum Oil: 30,430 BBL Cum Gas: 18,068 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

493 BBL/mo

Di (annual)

27.2%

b-factor

0.2

EUR

27,026 BBL

R-squared

0.314

type

hyperbolic

Operator History (from monthly production reports)

2004-10 — 2026-07 NORTHFIELD ENTERPRISES, INC. 262 mo
1995-03 — 2004-09 CAGO, INC. 115 mo
1993-10 — 1995-02 STILLWATER PETROLEUM COMPANY 17 mo
1993-09 — 1993-09 STEPHENS & JOHNSON OPERATING CO. 1 mo
1993-01 — 1993-08 S & J OPERATING CO. 8 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-041-31419NORTHFIELD ENTERPRISES, INC.28,6001987-10-15
342-041-31419NORTHFIELD ENTERPRISES, INC.28,6001987-10-15