FIRST NATIONAL TRUST

Oil · District 14 · Lease #4807

Operator: COURSON OIL & GAS, INC.

Cum Oil

254k BBL

Cum Gas

0 MCF

Wells

7

Production

1993-01 — 2026-03

Peak Month

1994-03

Production History

Cum Oil: 253,966 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,876 BBL/mo

Di (annual)

15.9%

b-factor

0.5

EUR

226,212 BBL

R-squared

0.694

type

hyperbolic

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2571COURSON OIL & GAS, INC.17,1502021-02-10
9571COURSON OIL & GAS, INC.16,0001993-10-19
8571COURSON OIL & GAS, INC.15,9001986-10-30
7571COURSON OIL & GAS, INC.15,8001984-12-31
6571COURSON OIL & GAS, INC.15,8001984-11-19
5571COURSON OIL & GAS, INC.15,8001983-09-06
1571COURSON OIL & GAS, INC.311,8001981-05-22
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