OSTEEN, W. N.

Oil · District 01 · Lease #4102

Operator: REGAL PETROLEUM SERVICES

Fields: DALE-MCBRIDE

Cum Oil

240k BBL

Cum Gas

112k MCF

casinghead

Wells

22

Production

1993-01 — 2025-12

Peak Month

1994-02

Production History

Cum Oil: 240,456 BBL Cum Gas: 112,096 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,542 BBL/mo

Di (annual)

20.7%

b-factor

0.4

EUR

224,512 BBL

R-squared

0.796

type

hyperbolic

Operator History (from monthly production reports)

2024-09 — 2026-07 PROLINE ENERGY RESOURCES INC 23 mo
2005-10 — 2024-08 HAZELETT OIL, INC. 227 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 (22)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26HAZELETT OIL INC.12,5001993-12-20
24PROLINE ENERGY RESOURCES INC12,5001993-12-13
25HAZELETT OIL INC.12,5001993-12-13
6PROLINE ENERGY RESOURCES INC12,6251993-03-09
22PROLINE ENERGY RESOURCES INC12,9001992-03-13
18PROLINE ENERGY RESOURCES INC22,9001992-03-10
19PROLINE ENERGY RESOURCES INC12,9001992-03-10
19APROLINE ENERGY RESOURCES INC12,9001992-03-10
20PROLINE ENERGY RESOURCES INC12,9001992-03-10
21PROLINE ENERGY RESOURCES INC12,9001992-03-10
17PROLINE ENERGY RESOURCES INC12,5001991-02-26
16PROLINE ENERGY RESOURCES INC12,5001991-02-07
15PROLINE ENERGY RESOURCES INC12,5001991-01-16
14PROLINE ENERGY RESOURCES INC12,5001987-08-17
12PROLINE ENERGY RESOURCES INC22,5001987-03-13
11PROLINE ENERGY RESOURCES INC12,5001987-01-08
9PROLINE ENERGY RESOURCES INC12,5001986-05-14
142-055-81034PROLINE ENERGY RESOURCES INC------
442-055-00891PROLINE ENERGY RESOURCES INC------
542-055-00892PROLINE ENERGY RESOURCES INC------
742-055-00118PROLINE ENERGY RESOURCES INC------
842-055-00119PROLINE ENERGY RESOURCES INC------