1
Kevin L Alft, Gregory W Draper: Horizontal directional drilling machine employing inertial navigation control system and method. Vermeer Manufacturing Company, Altera Law Group, November 13, 2001: US06315062 (119 worldwide citation)

A system and method for controlling an underground boring tool involves the use of one or more of a gyroscope, accelerometer, and magnetometer sensor provided in or proximate the boring tool. The location of the boring tool is detected substantially in real-time. A controller produces a control sign ...


2
William Banning Vail III, Tomislav Skerl, Damir S Skerl: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, April 4, 2017: US09611693 (1 worldwide citation)

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


3
William Banning Vail III: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, August 29, 2017: US09745799

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


4
William Banning Vail III, Robert L Dekle, Damir S Skerl, James E Chitwood: Universal drilling and completion system. Smart Drilling and Completion, Sheridan Ross P C, March 7, 2017: US09587435

Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added ...


5
William Banning Vail III, Tomislav Skerl, Damir S Skerl: Mud motor assembly. Smart Drilling and Completion, Sheridan Ross P C, October 31, 2017: US09803424

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


6
MUD MOTOR ASSEMBLY. Smart Drilling and Completion, May 4, 2017: US20170122033-A1

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


7
UNIVERSAL DRILLING AND COMPLETION SYSTEM. SMART DRILLING AND COMPLETION, June 22, 2017: US20170175468-A1

Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added ...


8
MUD MOTOR ASSEMBLY. Smart Drilling and Completion, December 14, 2017: US20170356247-A1

A longer-lasting, lower cost, more powerful, all metal, mud motor than the presently available progressing cavity type mud motors for drilling boreholes into the earth. A mud motor apparatus possessing one single drive shaft that turns a rotary drill bit, which apparatus is attached to a drill pipe ...


9
UNIVERSAL DRILLING AND COMPLETION SYSTEM. Smart Drilling and Completion, May 9, 2019: US20190136652-A1

Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added ...