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PLANT, PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of plant, property and equipment

	2012			2011
December 31 (millions of dollars)	Cost	Accumulated Depreciation	Net Book Value	Cost	Accumulated Depreciation		Net Book Value

Pipeline	292	(117)	175	290	(110	)	180
Compression	103	(22)	81	105	(20	)	85
Metering and other	43	(11)	32	42	(9	)	33

	438	(150)	288	437	(139	)	298

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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