Eiger Express Pipeline
Project information
As at 31 December 2025
Type:
Processing Facility
Type:
Processing Facility
Aggregation level:
Asset
Aggregation level:
Asset
Status:
Construction
Status:
Construction
Report standard:
-
Report standard:
-
Ownership %:
25.5
Ownership %:
25.5
Operator:
No
Operator:
No
Operator name:
WhiteWater
Operator name:
WhiteWater
Extraction:
Processing Facility
Extraction:
Processing Facility
Country:
United States
Country:
United States
Region:
Permian Basin to Katy, Texas
Region:
Permian Basin to Katy, Texas
Geological province:
Permian Basin
Geological province:
Permian Basin
Facility kind:
Pipeline Gas
Facility kind:
Pipeline Gas
Licensed capacity:
3.7
Licensed capacity:
3.7
Capacity unit:
bcf
Capacity unit:
bcf
Capacity period:
Per Day
Capacity period:
Per Day
Capacity kind:
Nameplate
Capacity kind:
Nameplate
Description
As at 31 December 2025
New approximately 450-mile, 48-inch natural gas pipeline designed to transport up to approximately 3.7 Bcf/d from the Permian Basin to Katy, Texas, announced in 2025 with WhiteWater, MPLX LP and Enbridge Inc. through the existing Matterhorn joint venture. WhiteWater will construct and operate the pipeline; ONEOK's total interest is 25.5% (15% direct in Eiger plus the remainder via Matterhorn). Expected in-service mid-2028.
Processing facilities
As at 31 December 2025
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