GALLS UNIT

Oil // district 3 // lease#21076

op: SANCHEZ-O'BRIEN OIL & GAS CORP.

cum_oil

30k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2003-01

peak_month

1997-04

-- production_history

cum_oil: 30,208 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,226 BBL/mo

Di (annual)

106.3%

b-factor

0.5

EUR

26,694 BBL

R-squared

0.809

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANCHEZ-O'BRIEN / TEXACO INC.29,6501997-03-13
1HSANCHEZ-O'BRIEN / TEXACO INC.29,6501997-03-13
EOF // multi-state drilling data platform // 2026