WINDHAM, R. S.

Oil · District 9 · Lease #16652

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

225k BBL

Cum Gas

0 MCF

Wells

4

Production

2008-06 — 2026-03

Peak Month

2008-10

Production History

Cum Oil: 225,228 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

7,366 BBL/mo

Di (annual)

83.7%

b-factor

0.6

EUR

234,152 BBL

R-squared

0.898

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8SOUTHWEST ROYALTIES, INC.111,0002008-07-16
4SOUTHWEST ROYALTIES, INC.212,0002008-07-07
6SOUTHWEST ROYALTIES, INC.111,0002008-06-04
5SOUTHWEST ROYALTIES, INC.111,0002008-01-23
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