Annual report pursuant to Section 13 and 15(d)

PLANT, PIPELINE AND EQUIPMENT (Tables)

v3.20.4
PLANT, PIPELINE AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of Plant, Pipeline and Equipment
Plant, pipeline and equipment include the following at December 31:
2020 2019
(thousands of dollars)
Platinum catalyst $ 1,580  $ 1,580 
Catalyst 4,325  4,095 
Land 5,428  5,428 
Plant, pipeline and equipment 270,149  258,651 
Construction in progress 6,422  5,052 
Total plant, pipeline and equipment 287,904  274,806 
Less accumulated depreciation (100,800) (85,887)
Net plant, pipeline and equipment $ 187,104  $ 188,919