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
Integrated emergency medical database system
Providing policy-based operating system services in an operating system on a computing system
System and method for displaying a constant time selection context menu interface
Liquid crystal display device
Soybean cultivar CL1013665
Illumination unit for a direct-view display
Scanning projection apparatus with tangential compensation
  Randomly Featured Patents
Crawler, crawler pin, crawler bush, and crawler manufacturing method
Method of electroporation mediated delivery of drugs and genes
Trimmer
Probe card assembly with dielectric structure
Videoconference system
Conditional data access after database system failure
Engine
Method and apparatus for nonsequential multimedia data interchange in a data processing system
Dahlia plant named `Ruicaro`
Method for selective recovery of molybdenum and vanadium values from spent catalysts