Controllable magneto-rheological fluid-based dampers for drilling
Patent
·
OSTI ID:908445
- Edgewood, NM
- Youngsville, LA
A damping apparatus and method for a drillstring comprising a bit comprising providing to the drillstring a damping mechanism comprising magnetorheological fluid and generating an electromagnetic field affecting the magnetorheological fluid in response to changing ambient conditions encountered by the bit.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM
- Sponsoring Organization:
- United States Department of Energy
- DOE Contract Number:
- AC04-94AL85000;
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- 7,036,612
- OSTI ID:
- 908445
- Country of Publication:
- United States
- Language:
- English
Effect of Downhole Assembly and Polycrystalline Diamond Compact (PDC) Bit Geometry on Stability of Drillstrings
|
journal | September 1997 |
Analysis of Coupling Between Axial and Torsional Vibration in a Compliant Model of a Drillstring Equipped With a PDC Bit
|
conference | January 2009 |
Use of Single-Cutter Data in the Analysis of PDC Bit Designs: Part 2Development and Use of the PDCWEAR Computer Code
|
journal | August 1989 |
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