HR: 11:15h
AN: U42A-04    [Abstracts]
TI: Sonic Data in Large, Shallow Holes
AU: * Market, J
EM: jennifer.market@halliburton.com
AF: Halliburton, 3000 N Sam Houston Pkwy E, Houston, TX 77032 United States
AU: Kessler, C
AF: Halliburton, 3000 N Sam Houston Pkwy E, Houston, TX 77032 United States
AB: In the past, it has been difficult to acquire reliable data in large, shallow surface holes, as it is far from an ideal environment for wireline tools. With the advent of large (9 «") LWD sonic tools which do not need to be centralised and which log the formation mere minutes after drilling, it is possible, and in fact becoming common, to acquire good quality sonic logs almost from surface to bottom. Real time sonic pore pressure and compressional logs provide confidence in drilling and ties to seismic. There are some special considerations when logging in this environment, as the large fluid enhances certain borehole modes. Theory, modelling, and field data will be presented and discussed.
DE: 5100 PHYSICAL PROPERTIES OF ROCKS
SC: Union [U]
MN: 2005 Joint Assembly