skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: System and method for damping vibration in a drill string

Patent ·
OSTI ID:1127086
; ; ;

A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define a first and a second chamber for holding the fluid. Fluid can flow between the first and second chambers in response to the movement of the second member in relation to the first member. The valve assembly can also include a coil or a valve for varying a resistance of the fluid to flow between the first and second chambers.

Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-02NT41664
Assignee:
APS Technology, Inc. (Wallingford, CT)
Patent Number(s):
8,662,205
Application Number:
13/557,072
OSTI ID:
1127086
Country of Publication:
United States
Language:
English

References (40)

Drill string shock absorber patent March 1976
Shock absorber for well drilling pipe patent January 1979
Drill string splined resilient tubular telescopic joint for balanced load drilling of deep holes patent August 1981
Intermittently rotatable down hole drilling tool patent January 1984
Mud turbine tachometer patent March 1987
Method for the detection and correction of magnetic interference in the surveying of boreholes patent August 1988
Vibration isolator and shock absorber device with conical disc springs patent October 1988
Method for measurement of azimuth of a borehole while drilling patent March 1989
Method and apparatus for measurement of azimuth of a borehole while drilling patent January 1990
Means for varying MWD tool operating modes from the surface patent July 1991
Hydraulic shock absorber with nitrogen stabilizer patent July 1992
Modular connector for measurement-while-drilling tool patent October 1993
Magnetorheological materials based on alloy particles patent January 1995
Apparatus for joining sections of pressurized conduit patent October 1998
Elastomeric joints having interlocking threaded portions patent November 1998
Apparatus for joining sections of pressurized conduit patent July 1999
Cooled electrical system for use downhole patent August 1999
Stator especially adapted for use in a helicoidal pump/motor patent August 2000
Method and apparatus for communicating with devices downhole in a well especially adapted for use as a bottom hole mud flow sensor patent August 2000
Air percussion drilling assembly patent September 2000
Electrical coupling for a multisection conduit such as a drill pipe patent September 2000
Cooled electrical system for use downhole patent October 2000
Magnetorheological fluid apparatus, especially adapted for use in a steerable drill string, and a method of using same patent July 2001
Valve on the basis of electrorheological and/or magnetorheological fluids patent April 2002
Downhole actuation system utilizing electroactive fluids patent May 2003
Torsional shock absorber for a drill string patent October 2004
Method of drilling with magnetorheological fluid patent April 2006
Method to form a barrier in reservoir with a magnetorheological fluid patent April 2006
Controllable magneto-rheological fluid-based dampers for drilling patent May 2006
System and method for damping vibration in a drill string patent May 2007
Steerable bit assembly and methods patent October 2007
System and method for damping vibration in a drill string patent May 2008
Dynamic damper for use in a drill string patent August 2009
System and method for damping vibration in a drill string patent August 2011
Steerable bit assembly and methods patent-application March 2005
Field Investigation of the Effects of Stick-Slip, Lateral, and Whirl Vibrations on Roller Cone Bit Performance conference October 1999
Experimental Evaluations of Drill Bit and Drill String Dynamics conference September 1994
Phenomenological Model of a Magneto-rheological Damper for Semi-active Suspension Control Design and Simulation conference November 2006
Shock Sub Performance Tests conference March 1998
The Design of Steerable BHA's To Minimize the Adverse Effects of Motor Imbalance and Drilling Forces conference October 1991

Cited By (1)

System and method for damping vibration in a drill string patent March 2014

Similar Records

Related Subjects

42 ENGINEERING