| 9885796 |
Monopole acoustic transmitter ring comprising piezoelectric material |
Medhat W. Mickael |
2018-02-06 |
| 9121970 |
Monopole acoustic transmitter ring comprising piezoelectric material |
Medhat W. Mickael |
2015-09-01 |
| 8279713 |
Acoustic transmitter comprising a plurality of piezoelectric plates |
Medhat W. Mickael |
2012-10-02 |
| 7864629 |
Monopole acoustic transmitter comprising a plurality of piezoelectric discs |
Medhat W. Mickael |
2011-01-04 |
| 7253401 |
Spectral gamma ray logging-while-drilling system |
Medhat W. Mickael, Donald A. Phelps, John Wright |
2007-08-07 |
| 7080552 |
Method and apparatus for MWD formation testing |
John R. Menconi, Andrew T. Franzen |
2006-07-25 |
| 6825659 |
Method and apparatus for nuclear magnetic resonance measuring while drilling |
Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more |
2004-11-30 |
| 6666285 |
Logging-while-drilling apparatus and methods for measuring density |
Medhat W. Mickael |
2003-12-23 |
| 6583621 |
Method and apparatus for nuclear magnetic resonance measuring while drilling |
Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more |
2003-06-24 |
| 6362619 |
Method and apparatus for nuclear magnetic resonance measuring while drilling |
Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more |
2002-03-26 |
| 6268726 |
Method and apparatus for nuclear magnetic resonance measuring while drilling |
Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more |
2001-07-31 |
| H1963 |
High pressure differential electrical connector |
— |
2001-06-05 |
| 6216533 |
Apparatus for measuring downhole drilling efficiency parameters |
Scott Woloson |
2001-04-17 |
| 6169340 |
Electrical junction box for auxiliary power |
— |
2001-01-02 |
| 5447207 |
Downhole tool |
— |
1995-09-05 |
| D264931 |
Hammer implement head |
— |
1982-06-15 |
| D264798 |
Wood splitting implement head |
— |
1982-06-08 |
| D257826 |
Implement head |
— |
1981-01-13 |
| 4181166 |
Wood splitting implement |
— |
1980-01-01 |