KEYSTONE RANCH -A-

Oil · District 1 · Lease #5204

Operator: ORYX ENERGY COMPANY

Cum Oil

44k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2026-03

Peak Month

2001-01

Production History

Cum Oil: 44,054 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

932 BBL/mo

Di (annual)

31.4%

b-factor

0.0

EUR

35,616 BBL

R-squared

0.654

type

exponential

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5FAIR ENERGY16,9001978-10-03
4FAIR ENERGY26,9001978-06-20
3AFAIR ENERGY16,9501977-10-31
2FAIR OIL, LTD.16,7601977-08-23
1FAIR OIL, LTD.16,8001977-07-08
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