Insert for use in slips
AssigneeWeatherford/Lamb, Inc.
InventorManfred Jansch
Life of this patent
Estimating the term…
Abstract
An insert for use in slips comprises a resilient base member in which are vulcanized a plurality of strips each having pipe gripping teeth.
Claims34
An insert for use in slips, which insert comprises a resilient base member which supports a plurality of spaced apart strips each having a pipe gripping edge and wherein each of said strips projects beyond said resilient base member to form channels between adjacent strips for accommodating debris from the surface of the casing to be gripped.
An insert for use in slips, which insert comprises a resilient base member which supports a plurality of spaced apart strips each having a pipe gripping edge, wherein said strips, in use, extend substantially parallel with the casing to be gripped, wherein each of said strips projects beyond said resilient base member to form channels between adjacent strips for accommodating debris from the surface of said casing, and wherein said pipe gripping edge is provided with a multiplicity of teeth.
An adaptor provided with a plurality of inserts, each of which inserts comprises a resilient base member which supports a plurality of spaced apart strips each having a pipe gripping edge and wherein each of said strips projects beyond said resilient base member to form channels between adjacent strips for accommodating debris from the surface of the casing to be gripped.
Dependencies are inferred from the claim text.