WITCHER, J. E.

Oil · District 10 · Lease #21414

Operator: LAGUNA PETROLEUM CORPORATION

Fields: FOSTER

Cum Oil

766k BBL

Cum Gas

0 MCF

Wells

22

Production

1993-01 — 2026-03

Peak Month

2003-10

Production History

Cum Oil: 765,502 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,529 BBL/mo

Di (annual)

10.3%

b-factor

0.2

EUR

619,147 BBL

R-squared

0.842

type

hyperbolic

Wells (22)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22LAGUNA PETROLEUM CORPORATION14,6002004-05-07
20LAGUNA PETROLEUM CORPORATION14,6002004-05-06
21LAGUNA PETROLEUM CORPORATION14,6002004-04-08
4LAGUNA PETROLEUM CORPORATION14,6002003-07-22
4WLAGUNA PETROLEUM CORPORATION14,6002003-07-22
19LAGUNA PETROLEUM CORPORATION14,6002003-07-14
16LAGUNA PETROLEUM CORPORATION14,6002003-05-27
15LAGUNA PETROLEUM CORPORATION14,6002003-04-09
17LAGUNA PETROLEUM CORPORATION14,6002003-04-09
18LAGUNA PETROLEUM CORPORATION14,6002003-04-09
9LAGUNA PETROLEUM CORPORATION14,4002000-05-24
9WLAGUNA PETROLEUM CORPORATION14,4002000-05-24
14LAGUNA PETROLEUM CORPORATION14,5001999-11-19
12LAGUNA PETROLEUM CORPORATION14,5001996-09-26
2LAGUNA PETROLEUM CORPORATION14,3001996-07-11
1LAGUNA PETROLEUM CORPORATION14,3501996-06-04
3LAGUNA PETROLEUM CORPORATION14,3501996-05-30
11SUN EXPL. & PROD. CO.-MIDLAND29,2001991-03-08
542-135-30298--------
642-135-30299--------
742-135-30300--------
8W42-135-30393--------
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