MAXFIELD 38

Oil // district 5 // lease#3243

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

21k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2012-12

-- production_history

cum_oil: 20,990 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

223 BBL/mo

Di (annual)

652.1%

b-factor

1.0

EUR

2,233 BBL

R-squared

0.551

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3UNION OIL COMPANY OF CALIFORNIA23,0002025-12-02
12UNION OIL COMPANY OF CALIFORNIA42,9102000-08-23
13UNION EXPL. PARTNERS, LTD.12,8351988-01-08
EOF // data source: Texas Railroad Commission // 2026