SHANNON SOHIO "A"

Oil // district 9 // lease#8202

op: TEXCAL RESOURCES, INC.

cum_oil

3k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 1995-03

peak_month

1993-04

-- production_history

cum_oil: 3,132 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

147 BBL/mo

Di (annual)

19.1%

b-factor

1.7

EUR

29,407 BBL

R-squared

0.553

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ENERGY RESOURCES OIL & GAS CORP.12,5001980-03-26
3ENERGY RESOURCES OIL & GAS CORP.12,5001980-03-24
2ENERGY RESOURCES OIL & GAS CORP.12,5001979-11-16
1ENERGY RESOURCES OIL & GAS CORP.12,5001979-11-14
EOF // multi-state drilling data platform // 2026