UNIVERSITY -AU-

Oil · District 9 · Lease #498

Operator: STEPHENS, AUTRY C.

Cum Oil

30k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

1994-12

Production History

Cum Oil: 30,026 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

630 BBL/mo

Di (annual)

119.4%

b-factor

0.6

EUR

14,397 BBL

R-squared

0.673

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ENDEAVOR ENERGY RESOURCES L.P.112,0002012-05-11
1OXY USA INC.410,7602011-12-01
4OXY USA INC.310,3002011-12-01
3WOXY USA INC.17,2001992-06-08
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