Pressurized flexible conduit injection system

Wells – Processes – Placing or shifting well part

Patent

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Details

166 772, 166 855, E21B 1922

Patent

active

060068396

ABSTRACT:
A guide system for injecting continuous conduit or tubing into a well under pressure including a closed pressurized chamber for equalizing the interior and exterior pressure on the conduit in the area where the conduit is under maximum stress due to bending or flexing. The chamber may be installed on a standard wellhead or injection head. Low friction guide sleeves are provided as a bearing surface for the conduit in the pressurized chamber.

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patent: 3866679 (1975-02-01), Laky
patent: 3920076 (1975-11-01), Laky
patent: 4091867 (1978-05-01), Shannon, Jr. et al.

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