White Cliffs NGL Conversion is an 848km-long onshore pipeline project operated by SemGroup. This NGL pipeline, with a maximum diameter of 12 inches, starts at Colorado (the US) and ends in Oklahoma (the US).

The White Cliffs NGL Conversion project started operations in 2019 and is owned by Energy Transfer, Plains All American Pipeline, Occidental Petroleum, Chevron, and others.

The White Cliffs NGL Conversion project is associated with the 1529km Southern Hills and 852km White Cliffs Expansion.

About SemGroup

SemGroup Corp (SemGroup) is an oil and gas company that owns, operates, develops and acquires a portfolio of midstream energy assets. The company’s activities include gathering, transportation, storage, distribution, marketing and other midstream services to producers, refiners of petroleum products and other market participants. It offers crude oil, residual fuel oil, feedstocks and refined products terminal storage services. SemGroup maintains and operates storage, terminal and marine facilities at Milford Haven in the UK. It also operates a network of liquid asphalt cement terminals in Mexico. The company has operations in the UK, Canada, the US and Mexico. SemGroup is headquartered in Tulsa, Oklahoma, the US.


Information on the pipeline is sourced from GlobalData’s Oil & Gas Pipelines database that provides detailed information on all active and upcoming, crude oil, natural gas, petroleum products and Natural Gas Liquids (NGL) trunk pipelines globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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By GlobalData