UNIVERSITY LANDS "BB"

Oil // district 10 // lease#23956

op: SOUTHWEST ROYALTIES, INC.

cum_oil

547k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1998-04

-- production_history

cum_oil: 547,322 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,920 BBL/mo

Di (annual)

11.3%

b-factor

0.2

EUR

496,128 BBL

R-squared

0.707

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOUTHWEST ROYALTIES, INC.311,8002009-11-23
6HSOUTHWEST ROYALTIES, INC.111,7002008-04-24
5HSOUTHWEST ROYALTIES, INC.211,7002008-01-29
3SOUTHWEST ROYALTIES, INC.411,8002007-09-20
3HSOUTHWEST ROYALTIES, INC.411,8002007-09-20
4SOUTHWEST ROYALTIES, INC.211,8002007-08-22
4HSOUTHWEST ROYALTIES, INC.211,8002007-08-22
1SOUTHWEST ROYALTIES, INC.112,0052005-01-05
EOF // data source: Texas Railroad Commission // 2026