J & J RANCH

Oil // district 13 // lease#29023

op: CORDA CORPORATION

cum_oil

146k BBL

cum_gas

0 MCF

wells

2

production

1995-09 — 2017-11

peak_month

1999-07

-- production_history

cum_oil: 146,036 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,259 BBL/mo

Di (annual)

137.8%

b-factor

0.6

EUR

25,173 BBL

R-squared

0.758

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SDKEY ENERGY OF COLORADO, INC.28,5002004-11-29
1CORDA CORPORATION18,2501995-07-20
EOF // data source: Texas Railroad Commission // 2026