WILLCOX, G. C., ETAL

Oil · District 03 · Lease #66

Operator: MCGOWAN WORKING PARTNERS, INC.

Fields: ANAHUAC

Cum Oil

208k BBL

Cum Gas

411k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 207,801 BBL Cum Gas: 410,875 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,000 BBL/mo

Di (annual)

43.9%

b-factor

1.5

EUR

244,500 BBL

R-squared

0.910

type

hyperbolic

Operator History (from monthly production reports)

2000-05 — 2026-07 MCGOWAN WORKING PARTNERS, INC. 315 mo
1993-01 — 2000-04 MCGOWAN WORKING PARTNERS 88 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17MCGOWAN WORKING PARTNERS, INC.12,1001989-10-18
5RMCGOWAN WORKING PARTNERS, INC.17,1001989-09-14
142-071-01553MCGOWAN WORKING PARTNERS, INC.------
242-071-01555MCGOWAN WORKING PARTNERS, INC.------
342-071-01556MCGOWAN WORKING PARTNERS, INC.------