MCDONALD UNIT

Oil · District 10 · Lease #7223

Operator: WALSH & WATTS, INC.

Fields: WARD, SOUTH

Cum Oil

467k BBL

Cum Gas

0 MCF

Wells

47

Production

1993-01 — 2026-03

Peak Month

1993-05

Production History

Cum Oil: 466,817 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,851 BBL/mo

Di (annual)

3.2%

b-factor

0.0

EUR

553,588 BBL

R-squared

0.683

type

exponential

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
11W42-475-04175--------
1242-475-80339--------
1342-475-00794--------
1442-475-80340--------
1542-475-00944--------
17W42-475-05187--------
19W42-475-01026--------
1B42-475-10719--------
1D42-475-82292--------
2042-475-80349--------
2142-475-80350--------
2242-475-80351--------
23A42-475-11285--------
2542-475-01059--------
26A42-475-11286--------
2B42-475-80333--------
30A42-475-80355--------
33W42-475-80359--------
3442-475-00950--------
35 W42-475-80363--------
37 W42-475-80365--------
38A42-475-00420--------
3942-475-00893--------
3B42-475-30877--------
442-475-80334--------
4142-475-00953--------
46A42-475-80369--------
4742-475-00954--------
4842-475-00956--------
49W42-475-00929--------
4A42-475-10027--------
4W42-475-80334--------
542-475-30877--------
5042-475-00928--------
5542-475-80375--------
56W42-475-00791--------
5B42-475-30878--------
642-475-00795--------
6AW42-475-00795--------
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