CASTELLANO

Oil // district 1 // lease#10933

op: TEXAS SECONDARY OIL CORPORATION

fields: SOMERSET

cum_oil

4k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2008-02

-- production_history

cum_oil: 4,405 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

49 BBL/mo

Di (annual)

24.6%

b-factor

0.1

EUR

2,564 BBL

R-squared

0.746

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5CLARK, G. A., TRUSTEE11,2001980-04-22
4CLARK, G. A., TRUSTEE11,2001980-03-26
3CLARK, G. A., TRUSTEE11,2001979-12-31
2CLARK, G. A., TRUSTEE11,2001979-10-22
1CLARK, G. A., TRUSTEE11,2001979-08-30
EOF // multi-state drilling data platform // 2026