MCELROY RANCH

Oil · District 9 · Lease #16427

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

356k BBL

Cum Gas

0 MCF

Wells

2

Production

2007-06 — 2026-03

Peak Month

2007-10

Production History

Cum Oil: 355,618 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

22,216 BBL/mo

Di (annual)

99.4%

b-factor

0.3

EUR

382,794 BBL

R-squared

0.797

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOUTHWEST ROYALTIES, INC.111,0002008-03-27
3SOUTHWEST ROYALTIES, INC.212,5982007-07-20
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