Pipe joints or couplings – With casing – lining or protector – Lined
Patent
1975-04-28
1977-05-31
Callaghan, Thomas F.
Pipe joints or couplings
With casing, lining or protector
Lined
29421E, 228107, 228126, 228193, 2853322, 285334, 2853824, F16L 914, E21B 1708
Patent
active
040265838
ABSTRACT:
An oil well pipe incorporates a corrosion-resistant, metallic liner which is intimately metallurgically bonded to the pipe bore.
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Callaghan Thomas F.
Haefliger William W.
Hydril Company
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