1966 PARTNERSHIP

Oil // district 3 // lease#21140

op: UPSTREAM RESOURCE PARTNERS, LLC

cum_oil

174k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2004-11

-- production_history

cum_oil: 174,153 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,018 BBL/mo

Di (annual)

39.3%

b-factor

0.6

EUR

125,862 BBL

R-squared

0.823

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TRIPLE "B" PRODUCTION DRLG INC12,0002004-06-07
5TRIPLE "B" PRODUCTION DRLG INC12,0002004-05-26
6TRIPLE "B" PRODUCTION DRLG INC22,0002004-05-26
3TRIPLE "B" PRODUCTION DRLG INC11,9992002-10-15
2TRIPLE "B" PRODUCTION DRLG INC11,9992000-10-10
1GULF TIDE OIL COMPANY, THE12,2001989-08-24
EOF // data source: Texas Railroad Commission // 2026