POWELL -12-

Oil · District 10 · Lease #36199

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

125k BBL

Cum Gas

0 MCF

Wells

4

Production

2000-02 — 2026-03

Peak Month

2001-04

Production History

Cum Oil: 125,446 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,881 BBL/mo

Di (annual)

46.0%

b-factor

0.4

EUR

121,349 BBL

R-squared

0.874

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOUTHWEST ROYALTIES, INC.17,9002001-02-20
3SOUTHWEST ROYALTIES, INC.17,9002001-01-18
2MILTEX OIL COMPANY17,9001999-05-05
1MILTEX OIL COMPANY17,9001998-08-04
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