Method of protecting a cased pipeline from corrosion

Details Method of protecting a cased pipeline from corrosion Method of protecting a cased pipeline from corrosion

1988-09-12

1990-05-15

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

1061232, B29C 3902, B32B 108

Patent

active

049256165

ABSTRACT:
Tall oil pitch is used as casing fillers in the interstitial spaced between a pipeline and a surrounding casing pipe. The tall oil pitch can be used per se or can be modified by: increasing its specific gravity above 1.0; increasing its pour point or dropping point; increasing its viscosity; decreasing its pumpability temperature. The tall oil pitch is pumped into the interstitial space between the pipeline and the casing pipe.

REFERENCES:
patent: 2180695 (1939-11-01), Rembert
patent: 2347855 (1944-05-01), Varga
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patent: 2403293 (1946-07-01), Miskel
patent: 2405021 (1946-07-01), Durant
patent: 2418075 (1947-05-01), Kollen
patent: 2647063 (1953-07-01), Willis
patent: 2785089 (1957-03-01), Lanteri
patent: 2845361 (1958-07-01), Maddox
patent: 2845657 (1958-08-01), Beare
patent: 3709751 (1973-01-01), Carlson
patent: 4256491 (1981-03-01), Tate

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