MASTEN, F. O "H"

Oil · District 8A · Lease #3750

Operator: WALSH PETROLEUM, INC.

Fields: LEVELLAND

Cum Oil

383k BBL

Cum Gas

355k MCF

casinghead

Wells

21

Production

1993-01 — 2026-04

Peak Month

1994-04

Production History

Cum Oil: 382,675 BBL Cum Gas: 355,339 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,621 BBL/mo

Di (annual)

14.1%

b-factor

0.0

EUR

307,978 BBL

R-squared

0.962

type

exponential

Operator History (from monthly production reports)

2023-01 — 2026-07 EXTEX OPERATING COMPANY 43 mo
1997-11 — 2022-12 WALSH PETROLEUM, INC. 302 mo
1993-02 — 1997-10 PARKER & PARSLEY, WPI AGENT 57 mo
1993-01 — 1993-01 WALSH PETROLEUM, INC. 1 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8XEXTEX OPERATING COMPANY15,1002000-10-12
6 XEXTEX OPERATING COMPANY15,1001996-12-09
1 XEXTEX OPERATING COMPANY15,0001994-05-23
16EXTEX OPERATING COMPANY15,1001993-05-19
12EXTEX OPERATING COMPANY15,1001993-05-17
13EXTEX OPERATING COMPANY15,1001993-05-17
15EXTEX OPERATING COMPANY15,1001993-05-17
17EXTEX OPERATING COMPANY15,1001993-05-17
19EXTEX OPERATING COMPANY15,1001993-05-13
14EXTEX OPERATING COMPANY15,1001993-05-05
18EXTEX OPERATING COMPANY15,1001993-05-05
4 XEXTEX OPERATING COMPANY15,1001993-02-24
10EXTEX OPERATING COMPANY15,1001983-09-12
11EXTEX OPERATING COMPANY15,1001983-09-12
9EXTEX OPERATING COMPANY15,1001983-06-10
142-079-00340EXTEX OPERATING COMPANY------
242-079-01929EXTEX OPERATING COMPANY------
342-079-01931EXTEX OPERATING COMPANY------
642-079-01936EXTEX OPERATING COMPANY------
742-079-02140EXTEX OPERATING COMPANY------
842-079-10171EXTEX OPERATING COMPANY------