PIERCE ESTATES

Oil · District 3 · Lease #6720

Operator: TEXACO E & P INC.

Cum Oil

1.2M BBL

Cum Gas

0 MCF

Wells

22

Production

1993-01 — 2026-03

Peak Month

2003-03

Production History

Cum Oil: 1,202,142 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,924 BBL/mo

Di (annual)

59.6%

b-factor

1.5

EUR

925,727 BBL

R-squared

0.907

type

hyperbolic

Wells (22)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B166APACHE CORPORATION27,5002012-03-09
C106APACHE CORPORATION15,3542005-06-22
C182TEXACO INC.35,5502003-12-05
C231APACHE CORPORATION35,6002002-05-08
C210APACHE CORPORATION16,5002002-04-25
C218TEXACO INC.25,5632002-03-29
C199APACHE CORPORATION15,3242002-03-06
C225APACHE CORPORATION26,0002001-05-14
C198TEXACO INC.15,5001989-03-17
B 96TEXACO INC.15,3851988-06-22
C183 FTEXACO INC.25,5501987-12-09
C183 HTEXACO INC.25,5501987-12-09
C 76TEXACO INC.15,3871982-12-31
C180 HTEXACO INC.15,5631980-12-10
C178 HTEXACO INC.25,5151979-03-20
B12942-481-30063--------
B 6942-481-02914--------
C10742-481-02924--------
C17942-481-30548--------
C181 H42-481-30591--------
C 6842-481-02908--------
C 8942-481-02915--------
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