Pipe gripping die

Details Pipe gripping die Pipe gripping die

1997-08-15

1999-10-26

Dang, Hoang C.

Boring or penetrating the earth

Wedging slip assembly for supporting a pipe or rod

166 7514, 166382, 188 67, 2941022, 294902, E21B 1907, E21B 1910

Patent

active

059710861

ABSTRACT:
A method for the construction of die members used in slips and elevators in the oil and gas industry for griping pipe. The die having nickel plated teeth with no mud grooves reduces die penetration thereby reducing stress cracking and carbon transfer in nickel alloy pipe thus reducing pipe corrosion.

REFERENCES:
patent: 2010938 (1935-08-01), Abegg
patent: 2493556 (1950-01-01), Stone
patent: 3052943 (1962-09-01), Jones
patent: 4475607 (1984-10-01), Haney
patent: 4715456 (1987-12-01), Poe, Jr. et al.
patent: 5451084 (1995-09-01), Jansch

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