UNIV. 11 SEC. 13

Oil // district 10 // lease#36478

op: OXY USA INC.

cum_oil

257k BBL

cum_gas

0 MCF

wells

8

production

2000-12 — 2026-03

peak_month

2017-10

-- production_history

cum_oil: 256,841 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,144 BBL/mo

Di (annual)

34.3%

b-factor

0.0

EUR

74,932 BBL

R-squared

0.462

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10BARCO PERMIAN18,9002001-12-31
9BARCO PERMIAN18,9002001-11-08
7BARCO PERMIAN18,9002001-06-27
8BARCO PERMIAN18,9002001-04-19
4 BARCO PERMIAN46,9001998-12-09
5BARCO PERMIAN56,9001998-12-09
6BARCO PERMIAN37,6501998-12-09
3BARCO PERMIAN28,1301998-03-27
EOF // data source: Texas Railroad Commission // 2026