Safety sealing and reparation device and method for electrical cables that pass through wellheads
OwnerYadira Cardona Aguirreinventor
Life of this patent
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Abstract
A modular safety apparatus adapted to allow the flow and create a mechanical seal for a series of electric conductors in wellheads, thus, ensuring pressure control and internal hydraulic integrity and allowing for a method to repair leaks and/or conductor cables that does not require the use of specialized well maintenance equipment, comprising a sealing case attached to a lower connector, joined to another main or intermediating sealing case. The case seals towards the pipe hanger and attaches to the upper connector that seals towards the upper section of the wellhead and attaches to the protective bushing or the upper sealing case to ensure control of well's pressure during its operation or reparation in case of leaks or failures.
Claims8
A device for sealing and repairing one or more electrical cables that pass through wellheads, the device comprising:
- one or two connecting bushings;
- a top end;
- a tubing hanger comprising an upper side;
- and
- one or more sealing cases wherein each case contains a sealing unit inside;
- wherein a first of said one or more sealing cases is located on said top end;
- wherein at least one of said one or more sealing cases is installed within said tubing hanger;
- wherein at least one of the cases attaches to one of the connecting bushings;
- wherein each sealing unit has one or more elastomer sealing gaskets that form a path for each of said one or more electrical cables to pass through when placed inside said one or more sealing cases;
- wherein said one or two connecting bushings each comprise a lower end and an upper end;
- wherein said at least one sealing case of said one or more sealing cases that is installed inside the tubing hanger comprises a sealing case upper end and a sealing case lower end and is attached by said sealing case upper end to said lower end of a first of said one or two connecting bushings;
- and
- wherein the other of said one or more sealing cases is attached to said upper end of said first of said one or two connecting bushings.
Dependencies are inferred from the claim text.