Search International and National Patent Collections

1. (WO2013162970) FORCE APPLICATION REDUCTION EMPLOYING ACTUATOR

Pub. No.:    WO/2013/162970    International Application No.:    PCT/US2013/036974
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Thu Apr 18 01:59:59 CEST 2013
IPC: E21B 19/02
E21B 19/086
Applicants: CANRIG DRILLING TECHNOLOGY LTD.
Inventors: WEINTRAUB, Preston
SLOCUM, Randy
KUTTEL, Beat
BHATNAGAR, Samved
Title: FORCE APPLICATION REDUCTION EMPLOYING ACTUATOR
Abstract:
An apparatus including a first actuator including a first housing defining a first internal region, a first head disposed in the first internal region, the first head defining first and second portions of the first internal region, and a first elongated member connected to the first head and extending out of the first housing. The apparatus further includes a first arm connected to the first elongated member to transfer to the first elongated member at least a first portion of a first force applied in a first direction by at least the weight of at least a tubular component, and a first pressurized fluid source in fluid communication with the first portion of the first internal region to apply a second force against the first head in a second direction that is opposite the first direction. According to one aspect, the tubular component is part of a quill.