KEYSTONE

Oil · District 01 · Lease #6001

Operator: ORYX ENERGY COMPANY

Cum Oil

39k BBL

Cum Gas

23 MCF

casinghead

Wells

4

Production

1993-01 — 1998-09

Peak Month

1993-03

Production History

Cum Oil: 39,143 BBL Cum Gas: 23 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,389 BBL/mo

Di (annual)

45.3%

b-factor

0.0

EUR

36,767 BBL

R-squared

0.791

type

exponential

Operator History (from monthly production reports)

2000-02 — 2000-04 LIGHT RESOURCES 3 mo
1994-06 — 2000-01 FREEDOM ENERGY, INC. (I) 68 mo
1994-01 — 1994-05 HPC OPERATING, INC. 5 mo
1993-01 — 1993-12 ORYX ENERGY COMPANY 12 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2OILFIELD CLEANTECH WATER REC LLC26,8502013-10-26
4ORYX ENERGY COMPANY26,9002000-04-20
3ORYX ENERGY COMPANY16,9501980-05-27
1LIGHT RESOURCES16,9001979-07-23