1
Richard Thomas Hay, Colin Walker, John Ransford Hardin Jr: Command method for a steerable rotary drilling device. Halliburton Energy Services, Terrence N Kuharchuk, William Shull, Michael D McCully, September 27, 2005: US06948572 (29 worldwide citation)

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 chang ...


2
Walker Colin, Hay Richard Thomas, Hardin John Ransford Jr: Command method for a steerable rotary drilling device. Halliburton Energy Serv, March 24, 2004: EP1400654-A2 (1 worldwide citation)

In a drilling system of the type comprising a rotatable drilling string (25), a drilling string communication system (378) and a drilling direction control device (20) connected with the drilling string (25), a method is provided for issuing one or more commands to the drilling direction control dev ...


3
Hay Richard Thomas, Walker Colin, Hardin John Ransford Jr: Methode de commande pour dispositif de forage rotatif orientable, Command method for a steerable rotary drilling device. Halliburton Energy Services, Halliburton Energy Services, EMERY JAMIESON, April 1, 2008: CA2474230

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 chang ...


4
Richard Thomas Hay, Colin Walker, John Ransford Hardin: Command method for a steerable rotary drilling device. Halliburton Energy Services, Smart & Biggar, June 17, 2004: US20040112640-A1

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 chang ...