Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
Abstract: A housing for use in high-pressure fluid applications, and in particular a structure for the fluid end of a multi-cylinder reciprocating pump used in oilfield, wherein the structure includes features such as ruled surfaces and increased sidewall thickness to improve resistance to stress applied and has an extended the service life.
Abstract: The current invention relates to an improved gripper for use within a coiled tubing injector unit. The improved gripper comprises a carrier for securing the gripper to the chain drive mechanism of the coiled tubing injector unit and a gripping shoe carried by the carrier. The improved gripper provides a carrier and a gripping shoe designed to permit quick and easy removal and replacement of the gripping shoe in the field during operation of the coiled tubing injector unit.
Type:
Grant
Filed:
May 7, 2012
Date of Patent:
September 18, 2012
Assignee:
Serva Group LLC
Inventors:
Johnnie B. Maschek, Jr., Carl Stephen Lammons
Abstract: The current device relates to a gripper assembly for use within a coiled tubing injector unit. The gripper assembly comprises a carrier for securing the gripper to the chain drive mechanism of the coiled tubing injector unit and a gripping shoe carried by the carrier. The configuration of the gripper assembly permits quick and easy removal and replacement of the gripping shoe.
Type:
Grant
Filed:
August 28, 2009
Date of Patent:
June 5, 2012
Assignee:
Serva Group LLC
Inventors:
Johnnie B. Maschek, Jr., Carl Stephen Lammons
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