The numerical designation assigned to offshore lease and license tracts, or subdivisions of the tracts. Blow Molding A plastics-forming process that uses compressed air to shape the final product by expanding it to fit the mold. Booster A pump system installed to maintain or increase pressure in pipelines so that liquids and gases keep flowing. Bottom Out To reach the objective depth in drilling a well. Butadiene A butane derivative that is one of the most widely used raw materials used in the manufacture of synthetic rubber.
Butane Refers usually to a mixture of isobutane and normal butane.
A flammable, gaseous hydrocarbon. Used as fuel. Bypass A pipe connected around a valve or other control mechanism in a flow line for the purpose of maintaining flow during adjustments or repair work. A substance obtained incidentally during the manufacture or production of some other substance. Copyright 2001 Phillips Petroleum Company.