POWELL -13-

Oil // district 10 // lease#36197

op: SOUTHWEST ROYALTIES, INC.

cum_oil

32k BBL

cum_gas

0 MCF

wells

4

production

2000-02 — 2026-03

peak_month

2003-04

-- production_history

cum_oil: 32,221 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

809 BBL/mo

Di (annual)

47.1%

b-factor

0.3

EUR

29,197 BBL

R-squared

0.725

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SOUTHWEST ROYALTIES, INC.18,1002003-02-20
8SOUTHWEST ROYALTIES, INC.18,1002002-10-30
2MILTEX OIL COMPANY17,9002000-01-20
1MILTEX OIL COMPANY17,9001998-10-30
EOF // multi-state drilling data platform // 2026