Stabbing box and safety slip for making tubing connections

Details Stabbing box and safety slip for making tubing connections Stabbing box and safety slip for making tubing connections

1983-03-11

1985-08-06

Husar, Cornelius J.

Pipe joints or couplings

With assembly means or feature

Guide

285373, 285140, 166 775, 166242, 166 751, 175320, F16L 1500

Patent

active

045331626

ABSTRACT:
A stabbing box structure that acts as a safety slip. It has a split construction with a clamp to hold it onto the flange of an end connector of a section of tubing which is being supported at the well head by slips. There is a tapered guide interior construction in the box which is for guiding the end connector of another section of tubing that is stabbed into the box. The tube being stabbed is guided into abutting alignment with the end connector that has the stabbing box clamped thereon. The stabbing box has an outside diameter that is greater than the opening at the well head. Consequently, if the slips holding the tubing string already in the well should let go, the stabbing box will prevent the tubing string from falling into the well.

REFERENCES:
patent: 2575831 (1951-11-01), Pearce
patent: 3345826 (1967-10-01), Hignite
patent: 3475038 (1969-10-01), Matherne
patent: 3585805 (1971-06-01), Vincent
patent: 4194765 (1980-03-01), Reddy

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