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Class Information
Number: 166/241.1
Name: Wells > Guide for device or conduit
Description: Apparatus comprising positioning means attached to and projecting laterally beyond (1) a tool; (2) a fluid moving structure; or (3) a fluid conveying means (i.e., tubing) to centralize within the well the tool, fluid moving structure, or fluid conveying means.










Sub-classes under this class:

Class Number Class Name Patents
166/241.5 For a wireline operation 70
166/241.2 On sucker or pump rod 23
166/241.6 Surrounding existing device or tubing 190


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701759 Casing centralizer Apr. 22, 2014
8662165 Fiber support arrangement and method Mar. 4, 2014
8622153 Downhole assembly Jan. 7, 2014
8573296 Limit collar Nov. 5, 2013
8561708 ID centralizer Oct. 22, 2013
8555964 Centraliser Oct. 15, 2013
8505624 Integral pull-through centralizer Aug. 13, 2013
8393404 Downhole multiple bore rotary diverter apparatus Mar. 12, 2013
8225864 Well string centralizer and method of forming Jul. 24, 2012
8196670 Downhole device Jun. 12, 2012
8191640 Universal pump holddown system Jun. 5, 2012
8141629 Well string centralizer and method of forming Mar. 27, 2012
8082987 Hydraulically locking stabilizer Dec. 27, 2011
8074712 Stop collar friction clamping device Dec. 13, 2011
8066066 Borehole casing centraliser Nov. 29, 2011
8011429 Transport assembly Sep. 6, 2011
7946350 System and method for deploying optical fiber May. 24, 2011
7878273 Ultra-hard drilling stabilizer Feb. 1, 2011
7866384 Downhole device Jan. 11, 2011
7854259 PC rod guide with rotor ridges Dec. 21, 2010
7845434 Technique for drilling straight bore holes in the earth Dec. 7, 2010
7802622 Cable-protective pipe section, a method of protectively arranging at least one cable on the outside of the pipe section and use of a device for protecting the cable Sep. 28, 2010
7798253 Method and apparatus for controlling precession in a drilling assembly Sep. 21, 2010
7798238 Apparatus and methods to protect connections Sep. 21, 2010
7793717 Progressive cavity pump rod guide Sep. 14, 2010
7775272 Passive centralizer Aug. 17, 2010
7708063 Centralizer tool, a centralizing method and a method of making a centralizer tool May. 4, 2010
7694564 Boiler tube inspection probe with centering mechanism and method of operating the same Apr. 13, 2010
7628214 Automatic control line insertion tools and system Dec. 8, 2009
7624798 Centralizer for expandable tubulars Dec. 1, 2009
7431535 Clamp for anchoring production tube, electrohydraulic hose and electric cable simultaneously Oct. 7, 2008
7334642 Constant force actuator Feb. 26, 2008
7311154 Line slack compensator Dec. 25, 2007
7275594 Stab guide Oct. 2, 2007
7182131 Dual diameter and rotating centralizer/sub and method Feb. 27, 2007
7174958 Drill string member Feb. 13, 2007
7156171 Dual diameter and rotating centralizer/sub Jan. 2, 2007
7143848 Downhole tool Dec. 5, 2006
7140432 Dual diameter and rotating centralizer/sub and method Nov. 28, 2006
7121349 Wellhead protector Oct. 17, 2006
7104318 Self-contained centralizer system Sep. 12, 2006
7071697 Centralizer including measurement means Jul. 4, 2006
6968897 Anti-rotation tool Nov. 29, 2005
6920936 Constant force actuator Jul. 26, 2005
6907326 Autonomous surf zone line charge deployment system Jun. 14, 2005
6883611 Sealed multilateral junction system Apr. 26, 2005
6845816 ADI centralizer Jan. 25, 2005
6688409 Friction reducing tool and method for its use in a wellbore Feb. 10, 2004
6681853 Downhole anti-rotation tool Jan. 27, 2004
6666267 Downhole tools Dec. 23, 2003

1 2 3










 
 
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