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Class Information
Number: 175/322
Name: Boring or penetrating the earth > With tool shaft detail > Axially telescoping shaft section > Telescoping motion related to relative axial rotation or oscillation
Description: Apparatus in which the sections of shafting include means acting between the sections so that the collapsing motion is accompanied by relative motion of the sections about the axis of the shafting (e.g., axial rotation or axial oscillation).

Patents under this class:
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Patent Number Title Of Patent Date Issued
8689906 Methods and apparatus for reducing stick-slip Apr. 8, 2014
8662205 System and method for damping vibration in a drill string Mar. 4, 2014
8646548 Apparatus and system to allow tool passage ahead of a bit Feb. 11, 2014
8240401 System and method for damping vibration in a drill string Aug. 14, 2012
8205691 Downhole vibration dampener Jun. 26, 2012
8191655 Apparatus and method for reaming a wellbore during the installation of a tubular string Jun. 5, 2012
7997357 System and method for damping vibration in a drill string Aug. 16, 2011
7841400 Apparatus and system to allow tool passage ahead of a bit Nov. 30, 2010
7721826 Downhole jack assembly sensor May. 25, 2010
7654344 Torque converter for use when drilling with a rotating drill bit Feb. 2, 2010
7377339 System and method for damping vibration in a drill string May. 27, 2008
7341116 Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements Mar. 11, 2008
7287603 Combined casing expansion/casing while drilling method and apparatus Oct. 30, 2007
7044240 Torque absorber for downhole drill motor May. 16, 2006
6951082 Drilling rig with torque carrier Oct. 4, 2005
6854538 Rock drill Feb. 15, 2005
6543556 Abnormal torque absorber for drilling Apr. 8, 2003
6439318 Downhole apparatus Aug. 27, 2002
6308940 Rotary and longitudinal shock absorber for drilling Oct. 30, 2001
RE36556 Method and apparatus for drilling bore holes under pressure Feb. 8, 2000
5894896 Orienting tool for coiled tubing drilling Apr. 20, 1999
5775444 Drill string orienting motor Jul. 7, 1998
5673765 Downhole drilling subassembly and method for same Oct. 7, 1997
5669457 Drill string orienting tool Sep. 23, 1997
5476148 Tool for maintaining wellbore penetration Dec. 19, 1995
5454420 Method and apparatus for rotating downhole tool in wellbore Oct. 3, 1995
5445230 Downhole drilling subassembly and method for same Aug. 29, 1995
5404944 Downhole makeup tool for threaded tubulars Apr. 11, 1995
5375670 Drill string component for drilling with a liquid driven drilling machine Dec. 27, 1994
5339913 Well orienting tool and method of use Aug. 23, 1994
5316094 Well orienting tool and/or thruster May. 31, 1994
5269385 Adjustable bent housing II Dec. 14, 1993
5259467 Directional drilling tool Nov. 9, 1993
5215151 Method and apparatus for drilling bore holes under pressure Jun. 1, 1993
5156223 Fluid operated vibratory jar with rotating bit Oct. 20, 1992
5038874 Drill bit having a flushing medium channel Aug. 13, 1991
4958691 Fluid operated vibratory jar with rotating bit Sep. 25, 1990
4884643 Downhole adjustable bent sub Dec. 5, 1989
4800966 Devices for drilling branched wells Jan. 31, 1989
4600062 Shock absorbing drilling tool Jul. 15, 1986
4494617 Shaft boring machine Jan. 22, 1985
4463220 Drill bit for forming a fluid cushion between the side of the drill bit and the side wall of a bore hole Jul. 31, 1984
4443206 Well tool Apr. 17, 1984
4331207 Device for reversing the direction of flow of a fluid at the level of a drill bit May. 25, 1982
4310057 Apparatus for extracting subterranean gas samples Jan. 12, 1982
4300636 Constant bottom contact tool Nov. 17, 1981
4270620 Constant bottom contact tool Jun. 2, 1981
4183415 Drilling apparatus Jan. 15, 1980
4091883 Underreaming tool with overriding extended arm retainer May. 30, 1978
4059164 Self-stabilizing drilling tool Nov. 22, 1977

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