Mont Belvieu Isomerization Complex
Project information
As at 31 December 2025
Type:
Processing Facility
Type:
Processing Facility
Aggregation level:
Asset
Aggregation level:
Asset
Status:
Operating
Status:
Operating
Report standard:
-
Report standard:
-
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Processing Facility
Extraction:
Processing Facility
Country:
United States
Country:
United States
Region:
Mont Belvieu area, Texas
Region:
Mont Belvieu area, Texas
Facility kind:
Fractionation
Facility kind:
Fractionation
Licensed capacity:
116
Licensed capacity:
116
Capacity unit:
mbbl
Capacity unit:
mbbl
Capacity period:
Per Day
Capacity period:
Per Day
Capacity kind:
Nameplate
Capacity kind:
Nameplate
Description
As at 31 December 2025
Largest commercial isomerization facility in the US: three isomerization units with 116 MBPD of aggregate processing capacity plus 11 deisobutanizer units, converting normal butane into isobutane grades; includes an 80-mile high-purity isobutane pipeline from Chambers County to Port Neches and Channelview. 2025 utilization of 104.3%.
Processing facilities
As at 31 December 2025
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