Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Directional drilling control










Image Number 4 for United States Patent #7823655.

Methods and apparatus for using a quill to steer a hydraulic motor when elongating a wellbore in a direction having a horizontal component, wherein the quill and the hydraulic motor are coupled to opposing ends of a drill string, by monitoring an actual toolface orientation of a tool driven by the hydraulic motor via monitoring a drilling operation parameter indicative of a difference between the actual toolface orientation and a desired toolface orientation, and then adjusting a position of the quill by an amount that is dependent upon the monitored drilling operation parameter.








 
 
  Recently Added Patents
Jacket liner
Light irradiation element, image forming structure, and image forming apparatus
Modified and stabilized GDF propeptides and uses thereof
Optoelectronic semiconductor chip comprising a reflective layer
Methods, systems, and products for providing communications services
Manufacturing process for cellular screening substratum, resultant substratum, and method and apparatus for screening
System for providing access to playable media
  Randomly Featured Patents
System and method for sequential decision making for customer relationship management
Enclosed multicolored cone shaped drop opal lens trim
Coking drum
Topical sentiments in electronically stored communications
Failure mitigation in arrays of light-emitting devices
Inflatable gasket for radio frequency shielding enclosure
Three position safety having trigger and bolt engaging positions for a firearm
Method of annealing nonferrous metal parts without stickers
Polymorphisms in a microsatellite region of a glucocorticoid receptor gene
Process for obtaining phthalic anhydride, starting from ortho-xylene, naphtalene and their mixtures, by oxidation in the presence of a specific catalyst and the catalyst obtained by carrying o