Inventor

PLONA THOMAS

US4 patents

Patents

4 patents

US6614716B2Sep 2, 2003

Sonic well logging for characterizing earth formations

SCHLUMBERGER TECHNOLOGY CORP96 citations96

US5852587ADec 22, 1998

Method of and apparatus for sonic logging while drilling a borehole traversing an earth formation

SCHLUMBERGER TECHNOLOGY CORP117 citations95

US5796677AAug 18, 1998

Method of sonic logging while drilling a borehole traversing an earth formation

SCHLUMBERGER TECHNOLOGY CORP85 citations94

US5412990AMay 9, 1995

Method for measuring cement thickening times

SCHLUMBERGER TECHNOLOGY CORP49 citations87