< leases

DIEDRICH-WOLFF

Oil · District 7B · Lease #19124

Operator: VISTA RESOURCES, INC. (A)

Fields: PARDUE (ELLENBURGER)

Cum Oil

35k BBL

Cum Gas

23k MCF

casinghead

Wells

6

Production

1993-01 — 2000-02

Peak Month

1993-06

Production History

Cum Oil: 35,491 BBL Cum Gas: 23,255 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,633 BBL/mo

Di (annual)

69.8%

b-factor

0.0

EUR

28,085 BBL

R-squared

0.486

type

exponential

Operator History (from monthly production reports)

2002-04 — 2004-01 GRUY PETROLEUM MANAGEMENT CO. 22 mo
2000-03 — 2002-03 PRIZE OPERATING COMPANY 25 mo
1997-07 — 2000-02 VISTA RESOURCES, INC. (A) 32 mo
1994-11 — 1997-06 E.G. OPERATING 32 mo
1993-01 — 1994-10 FINA OIL & CHEMICAL COMPANY 22 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-151-00564AMERICAN PETROFINA CO. OF TEX.15,9901996-05-03
242-151-00563GRUY PETROLEUM MANAGEMENT CO.16,4001987-09-09
842-151-32135GRUY PETROLEUM MANAGEMENT CO.16,4001987-06-30
742-151-32074GRUY PETROLEUM MANAGEMENT CO.16,4001986-01-23
542-151-31970GRUY PETROLEUM MANAGEMENT CO.15,9751985-04-22
442-151-31929GRUY PETROLEUM MANAGEMENT CO.16,0501984-12-31