HEFNER, R. A.

Oil · District 11 · Lease #5909

Operator: OXY USA INC.

Fields: SLAUGHTER

Cum Oil

840k BBL

Cum Gas

0 MCF

Wells

10

Production

1993-01 — 2016-08

Peak Month

1993-01

Production History

Cum Oil: 840,328 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

5,422 BBL/mo

Di (annual)

5.9%

b-factor

0.0

EUR

1,051,452 BBL

R-squared

0.824

type

exponential

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HBEPCO, L.P.35,0642007-10-19
9BASS ENTERPRISES PRODUCTION CO.15,0702003-03-12
8BASS ENTERPRISES PRODUCTION CO.15,0642003-02-28
142-219-00113--------
242-219-00112--------
3W42-219-00111--------
4W42-219-00110--------
5W42-219-00109--------
642-219-00066--------
742-219-00067--------
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