RICHARDSON UNIT

Oil · District 11 · Lease #4610

Operator: CHOLLA PETROLEUM, INC.

Fields: P. H. D.

Cum Oil

1.5M BBL

Cum Gas

0 MCF

Wells

26

Production

1993-01 — 2026-01

Peak Month

1993-01

Production History

Cum Oil: 1,509,417 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,571 BBL/mo

Di (annual)

14.6%

b-factor

1.2

EUR

1,814,762 BBL

R-squared

0.857

type

hyperbolic

Wells (26)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14CHOLLA PETROLEUM, INC.33,9002006-09-19
15CHOLLA PETROLEUM, INC.14,9992005-04-04
16CHOLLA PETROLEUM, INC.14,9992005-04-04
17CHOLLA PETROLEUM, INC.14,9992005-04-04
18CHOLLA PETROLEUM, INC.14,9992005-04-04
19CHOLLA PETROLEUM, INC.14,9992005-03-18
1WBHP PETROLEUM (AMERICAS) INC.13,8001988-10-14
2WBHP PETROLEUM (AMERICAS) INC.13,8001988-10-14
3WBHP PETROLEUM (AMERICAS) INC.13,9001988-10-14
4WBHP PETROLEUM (AMERICAS) INC.13,8001988-10-14
5WBHP PETROLEUM (AMERICAS) INC.13,4001988-10-14
6WBHP PETROLEUM (AMERICAS) INC.13,8001988-10-14
13BHP PETROLEUM (AMERICAS) INC.14,0001985-10-28
8ENERGY RESERVES GROUP, INC.14,0001985-05-14
9ENERGY RESERVES GROUP, INC.14,0001985-04-18
12ENERGY RESERVES GROUP, INC.14,0001985-04-11
10ENERGY RESERVES GROUP, INC.14,0001985-04-03
11ENERGY RESERVES GROUP, INC.14,0001985-04-03
7ENERGY RESERVES GROUP, INC.14,3051984-11-30
142-169-01040--------
1D42-169-01145--------
242-169-01045--------
342-169-01046--------
442-169-01047--------
542-169-01048--------
642-169-01023--------
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