Sjetnemarka
Norway
14
2012-05-24
The entities that hold a legal rights for patent applications filed by inventor Ekseth Roger:
Roger Ekseth from Sjetnemarka, NO has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole surveying utilizing multiple measurements
#2 | 2012-04-19Reducing error contributions to gyroscopic measurements from a wellbore survey system
#3 | 2012-04-12System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool
#4 | 2011-03-24Method and apparatus for determining locations of multiple casings within a wellbore conductor
#5 | 2010-11-25Method and apparatus for initialization of a wellbore survey tool
#6 | 2010-08-05Reducing error contributions to gyroscopic measurements from a wellbore survey system
#7 | 2010-04-22Downhole surveying utilizing multiple measurements
#8 | 2010-04-22Downhole surveying utilizing multiple measurements
#9 | 2009-04-02System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool
#10 | 2007-10-11System and method for using rotation sensors within a borehole
#11 | 2007-01-25System and method for using microgyros to measure the orientation of a survey tool within a borehole
#12 | 2005-10-13System and method for using microgyros to measure the orientation of a survey tool within a borehole
#13 | 2005-10-06System and method for measurements of depth and velocity of instrumentation within a wellbore
#14 | 2005-07-28System and method for measurements of depth and velocity of instrumentation within a wellbore
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