Inventor

PLONA THOMAS J

US7 patents

Patents

7 patents

US6904365B2Jun 7, 2005

Methods and systems for determining formation properties and in-situ stresses

SCHLUMBERGER TECHNOLOGY CORP73 citations96

US5521882AMay 28, 1996

Measurement of formation characteristics using acoustic borehole tool having sources of different frequencies

SCHLUMBERGER TECHNOLOGY CORP100 citations94

US4283953AAug 18, 1981

Method and apparatus for determining a granularity property of a subsurface formation around a borehole

SCHLUMBERGER TECHNOLOGY CORP65 citations94

US7643374B2Jan 5, 2010

Slowness-frequency projection display and animation

SCHLUMBERGER TECHNOLOGY CORP19 citations92

US5309404AMay 3, 1994

Receiver apparatus for use in logging while drilling

SCHLUMBERGER TECHNOLOGY CORP26 citations92

US4628725ADec 16, 1986

Apparatus and method for analyzing a fluid that includes a liquid phase, contained in a tubular conduit

SCHLUMBERGER TECHNOLOGY CORP74 citations90

US6510389B1Jan 21, 2003

Acoustic detection of stress-induced mechanical damage in a borehole wall

SCHLUMBERGER TECHNOLOGY CORP43 citations88