MCDONALD UNIT

Oil · District 08 · Lease #7223

Operator: WALSH & WATTS, INC.

Fields: WARD, SOUTH

Cum Oil

468k BBL

Cum Gas

113k MCF

casinghead

Wells

47

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 467,866 BBL Cum Gas: 112,579 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,885 BBL/mo

Di (annual)

3.4%

b-factor

0.0

EUR

546,744 BBL

R-squared

0.684

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 WALSH & WATTS, INC. 403 mo

Wells (47)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13BWALSH & WATTS, INC.13,2002008-03-17
14BWALSH & WATTS, INC.13,2002008-03-12
12BWALSH & WATTS, INC.13,2001985-10-28
11BWALSH & WATTS, INC.13,2001985-10-18
10BWALSH & WATTS, INC.13,2001984-10-31
8BWALSH & WATTS, INC.13,2001981-03-24
9BWALSH & WATTS, INC.13,2001981-03-24
6BWALSH & WATTS, INC.13,2001980-07-17
11W42-475-04175WALSH & WATTS, INC.------
1242-475-80339WALSH & WATTS, INC.------
1342-475-00794WALSH & WATTS, INC.------
1442-475-80340WALSH & WATTS, INC.------
1542-475-00944WALSH & WATTS, INC.------
17W42-475-05187WALSH & WATTS, INC.------
19W42-475-01026WALSH & WATTS, INC.------
1B42-475-10719WALSH & WATTS, INC.------
1D42-475-82292WALSH & WATTS, INC.------
2042-475-80349WALSH & WATTS, INC.------
2142-475-80350WALSH & WATTS, INC.------
2242-475-80351WALSH & WATTS, INC.------
23A42-475-11285WALSH & WATTS, INC.------
2542-475-01059WALSH & WATTS, INC.------
26A42-475-11286WALSH & WATTS, INC.------
2B42-475-80333WALSH & WATTS, INC.------
30A42-475-80355WALSH & WATTS, INC.------
33W42-475-80359WALSH & WATTS, INC.------
3442-475-00950WALSH & WATTS, INC.------
35 W42-475-80363WALSH & WATTS, INC.------
37 W42-475-80365WALSH & WATTS, INC.------
38A42-475-00420WALSH & WATTS, INC.------
3942-475-00893WALSH & WATTS, INC.------
3B42-475-30877WALSH & WATTS, INC.------
442-475-80334WALSH & WATTS, INC.------
4142-475-00953WALSH & WATTS, INC.------
46A42-475-80369WALSH & WATTS, INC.------
4742-475-00954WALSH & WATTS, INC.------
4842-475-00956WALSH & WATTS, INC.------
49W42-475-00929WALSH & WATTS, INC.------
4A42-475-10027WALSH & WATTS, INC.------
4W42-475-80334WALSH & WATTS, INC.------
542-475-30877WALSH & WATTS, INC.------
5042-475-00928WALSH & WATTS, INC.------
5542-475-80375WALSH & WATTS, INC.------
56W42-475-00791WALSH & WATTS, INC.------
5B42-475-30878WALSH & WATTS, INC.------
642-475-00795WALSH & WATTS, INC.------
6AW42-475-00795WALSH & WATTS, INC.------