SANDEFUR

Oil · District 10 · Lease #30461

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

28k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2015-06

Peak Month

1996-11

Production History

Cum Oil: 27,942 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

319 BBL/mo

Di (annual)

12.8%

b-factor

0.0

EUR

29,880 BBL

R-squared

0.699

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST ROYALTIES, INC.212,3001988-04-29
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