GREGORY -A-

Oil · District 10 · Lease #14775

Operator: SCYTHIAN, LTD.

Cum Oil

97k BBL

Cum Gas

0 MCF

Wells

13

Production

1993-01 — 2026-03

Peak Month

1995-03

Production History

Cum Oil: 97,004 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

594 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

80,384 BBL

R-squared

0.810

type

exponential

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WHRUBETZ OPERATING COMPANY16001988-05-20
5HRUBETZ OPERATING COMPANY13,3001988-01-22
6HRUBETZ OPERATING COMPANY13,3001988-01-22
7HRUBETZ OPERATING COMPANY13,3001988-01-22
35WHRUBETZ OPERATING COMPANY13,3001987-12-22
40WHRUBETZ OPERATING COMPANY13,3001987-12-22
44WHRUBETZ OPERATING COMPANY13,3001987-12-22
34WHRUBETZ OPERATING COMPANY13,3001987-11-05
41WHRUBETZ OPERATING COMPANY13,3001987-11-05
43WHRUBETZ OPERATING COMPANY13,3001987-11-05
142-335-00458--------
242-335-00459--------
442-335-10152--------
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