| 8088716 |
Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud |
Richard S. Polizzotti, Dennis G. Peiffer, Ramesh Gupta, Barbara Carstensen, Michael J. Luton +1 more |
2012-01-03 |
| 8088717 |
Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud |
Richard S. Polizzotti, Dennis G. Peiffer, Ramesh Gupta, Barbara Carstensen, Michael J. Luton +1 more |
2012-01-03 |
| 8076269 |
Compressible objects combined with a drilling fluid to form a variable density drilling mud |
Richard S. Polizzotti, Dennis G. Peiffer, Ramesh Gupta, Barbara Carstensen, Michael J. Luton +1 more |
2011-12-13 |
| 7980329 |
System for managing variable density drilling mud |
Paul Matthew Spiecker, Pavlin B. Entchev, Ramesh Gupta, Richard S. Polizzotti, Barbara Carstensen +1 more |
2011-07-19 |
| 7972555 |
Method for fabricating compressible objects for a variable density drilling mud |
Richard S. Polizzotti, Dennis G. Peiffer, Ramesh Gupta, Barbara Carstensen, Michael J. Luton +1 more |
2011-07-05 |
| 7677332 |
Method and apparatus for managing variable density drilling mud |
Paul Matthew Spiecker, Pavlin B. Entchev, Ramesh Gupta, Richard S. Polizzotti, Barbara Carstensen +1 more |
2010-03-16 |
| 7402277 |
Method of forming metal foams by cold spray technique |
Raghavan Ayer |
2008-07-22 |