TOAD

Oil // district 10 // lease#32025

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

820k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

1993-05

-- production_history

cum_oil: 820,452 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,139 BBL/mo

Di (annual)

38.0%

b-factor

0.5

EUR

694,069 BBL

R-squared

0.944

type

hyperbolic

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13WUNION OIL COMPANY OF CALIFORNIA35,3502023-01-23
15UNION OIL COMPANY OF CALIFORNIA45,3502001-11-26
16PURE RESOURCES, L.P.25,5002001-08-15
12WUNION OIL COMPANY OF CALIFORNIA15,3501992-01-15
14WUNION OIL COMPANY OF CALIFORNIA15,3501992-01-13
9CARLOW CORP.25,5001991-01-16
11UNION OIL COMPANY OF CALIFORNIA25,4001991-01-10
8CARLOW CORP.25,4001989-11-06
3CARLOW CORP.25,4001989-11-03
4CARLOW CORP.25,4001989-11-03
5CARLOW CORP.25,4001989-07-14
1CARLOW CORP.25,5001988-12-05
2CARLOW CORP.15,3501988-11-17
EOF // multi-state drilling data platform // 2026