Crude oil pipe having layers of graduated permeability to hydrog

Details Crude oil pipe having layers of graduated permeability to hydrog Crude oil pipe having layers of graduated permeability to hydrog

1982-09-07

1983-09-06

Dixon, Jr., William R.

Pipes and tubular conduits

Flexible

Spirally wound material

138103, 138125, 138130, 138132, 138133, 138137, 138138, 138DIG3, 428 36, F16L 1100, F16L 5500

Patent

active

044023464

ABSTRACT:
A pipe for transporting crude oil comprises a layer of polymeric material for containing oil within the bore of the pipe, the polymeric material being surrounded and supported by a reinforcement structure comprising high tensile reinforcement elements which are protected from corrosion by gases passing from the polymeric layer through the reinforcement structure. The reinforcement element may be provided with a protective sheath, for example of low permeability material or a material which possesses electrolytic action, or the reinforcement element may be embedded in a matrix of high permeability material such that a preferential path is provided for the passage of gases through the reinforcement structure.

REFERENCES:
patent: 3212528 (1965-10-01), Haas
patent: 3357456 (1967-12-01), Grawey et al.
patent: 3420276 (1969-01-01), Skinner et al.
patent: 3548884 (1970-12-01), Ambrose
patent: 3604461 (1971-09-01), Matthews
patent: 3729028 (1973-04-01), Horvath et al.

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