WEST SHINER RANCH

Oil // district 1 // lease#12616

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

cum_oil

153k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1997-05

-- production_history

cum_oil: 153,343 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,167 BBL/mo

Di (annual)

14.9%

b-factor

0.1

EUR

103,657 BBL

R-squared

0.807

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SANCHEZ-O'BRIEN / TEXACO INC.38,7001991-05-20
1ENERGY RESERVES GROUP, INC.18,5001984-07-02
EOF // data source: Texas Railroad Commission // 2026