OSTEEN, W. N. "A"

Oil · District 01 · Lease #13539

Operator: REGAL PETROLEUM SERVICES

Fields: DALE-MCBRIDE

Cum Oil

14k BBL

Cum Gas

14k MCF

casinghead

Wells

3

Production

1993-01 — 2000-07

Peak Month

1994-05

Production History

Cum Oil: 14,050 BBL Cum Gas: 14,235 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

386 BBL/mo

Di (annual)

41.8%

b-factor

0.2

EUR

13,748 BBL

R-squared

0.681

type

hyperbolic

Operator History (from monthly production reports)

2005-10 — 2013-07 HAZELETT OIL, INC. 94 mo
1997-12 — 2005-09 HAZELETT OIL COMPANY, INC. 94 mo
1994-05 — 1997-11 ENEX RESOURCES CORPORATION 43 mo
1994-03 — 1994-04 REGAL PETROLEUM SERVICES 2 mo
1993-01 — 1994-02 AVIAN TECH INTERNATIONAL, INC. 14 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26HAZELETT OIL INC.12,5001993-12-20
25HAZELETT OIL INC.12,5001993-12-13
19PROLINE ENERGY RESOURCES INC12,9001992-03-10