DUNAGAN RANCH

Oil · District 10 · Lease #35983

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

2k BBL

Cum Gas

0 MCF

Wells

2

Production

1998-11 — 2012-03

Peak Month

1998-11

Production History

Cum Oil: 2,419 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

131 BBL/mo

Di (annual)

472.0%

b-factor

0.7

EUR

858 BBL

R-squared

0.302

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST ROYALTIES, INC.618,5002018-04-13
1DSOUTHWEST ROYALTIES, INC.618,5002018-04-13
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