06948572 is referenced by 29 patents and cites 31 patents.

In a drilling system of the type comprising a rotatable drilling string, a drilling string communication system and a drilling direction control device connected with the drilling string, a method is provided for issuing one or more commands to the drilling direction control device utilizing a changeable first parameter associated with the drilling string and a changeable second parameter associated with the drilling string. The method includes providing at least one first parameter state, providing at least one first parameter event relating to the first parameter state; providing at least one second parameter state, providing at least one second parameter event relating to the second parameter state and issuing at least one command to the drilling direction control device in response to providing at least one of the first parameter event, the second parameter event, the first parameter state and the second parameter state.

Title
Command method for a steerable rotary drilling device
Application Number
10/641102
Publication Number
6948572 (B2)
Application Date
August 15, 2003
Publication Date
September 27, 2005
Inventor
John Ransford Hardin Jr
Spring
TX, US
Colin Walker
Conchez-de-Bearn
FR
Richard Thomas Hay
St. Albert
CA
Agent
Michael D McCully
William Shull
Terrence N Kuharchuk
Assignee
Halliburton Energy Services
TX, US
IPC
E21B 007/06
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