Resources Contact Us Home
Directional casing drilling

Image Number 8 for United States Patent #7086485.

A directional drilling system, including a casing string, a casing latch disposed inside the casing string proximate a lower end of the casing string and coupled to the casing string, a rotary steerable system disposed inside the casing string and coupled to the casing latch, and a drill bit coupled to the rotary steerable system.

  Recently Added Patents
Fast base station switching method and system, and hierarchical zone-based fast handoff approach
Method and system for electronic distribution of product redemption coupons
Enhancement of semiconducting photovoltaic absorbers by the addition of alkali salts through solution coating techniques
Unified feedback frame for supporting a plurality of feedback modes and a multiple-input multiple-output (MIMO) communication system using the unified feedback frame
Method and apparatus for determining storage capacity error for a data storage device
Non-volatile memory and method having efficient on-chip block-copying with controlled error rate
  Randomly Featured Patents
Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
Eye protection device for headgear
Method for projecting signs on printed matter and means for the same
Remotely actuated, reversible drain valve
Process and polymers for the production of images
Apparatus and method for producing mild, sustained balanced traction on the lower back
Seat belt clamp
Schweinfurthin analogues
Embolectomy catheter, and method of operating same
Combined bicycle pedal and toe clip