ASHTON

Oil // district 10 // lease#31014

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

151k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1994-02

-- production_history

cum_oil: 151,120 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,067 BBL/mo

Di (annual)

14.2%

b-factor

0.6

EUR

150,718 BBL

R-squared

0.864

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4UNION OIL COMPANY OF CALIFORNIA19,5001993-11-24
2AUNION OIL COMPANY OF CALIFORNIA19,7001987-01-13
3UNION OIL COMPANY OF CALIFORNIA19,7001987-01-13
1UNION OIL COMPANY OF CALIFORNIA19,7001986-10-09
EOF // multi-state drilling data platform // 2026