Inventor
SHIRASAKA ICHIRO
US5 patents
⚠️ This page may combine multiple inventors who share the name “SHIRASAKA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
3 patentsUS6453239B1Sep 17, 2002
Method and apparatus for borehole surveying
SCHLUMBERGER TECHNOLOGY CORP171 citations96
US6381858B1May 7, 2002
Method for calculating gyroscopic wellbore surveys including correction for unexpected instrument movement
SCHLUMBERGER TECHNOLOGY CORP58 citations93
US6633816B2Oct 14, 2003
Borehole survey method utilizing continuous measurements
SCHLUMBERGER TECHNOLOGY CORP38 citations90