135285 ⎘
Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs Hydraulic, pneumatic or electric circuits for their positioning
MOBILE RIG TO WELL ALIGNMENT SYSTEM AND METHOD
#2DIRECTIONAL DRILL SECURING DEVICE AND METHOD
#3DIRECTIONAL DRILL VICE AND METHOD
#4CONTROLLING A TRACK-MOUNTED DRILL RIG
#5HYDRAULIC COLLAPSIBLE ROTARY STAND FOR WIRELINE CORING UNDERGROUND DRILL RIG
#6DIRECTIONAL DRILL STEM ROD LOADER AND METHOD
#7Operating system, rock drilling rig and method
#8AUTONOMOUS TRACTOR USING COUNTER FLOW-DRIVEN PROPULSION
#9DIRECTIONAL DRILL SECURING DEVICE AND METHOD
#10Directional drill vice and method
#11System and method to automatically position a machine in a shipping configuration
#12Drilling device, and drilling construction method for an electric power iron tower foundation
#13DRILLING RIG POWER SUPPLY BUS MANAGEMENT
#14Directional drill stem rod loader and method
#15Apparatus and method for positioning rock drilling rig
#16Directional drill securing device and method
#17System and method to automatically position a machine in an operating configuration
#18Directional drill vice and method
#19Drilling rig power supply bus management
#20Directional drill vice and method
#21Apparatus and method for positioning rock drilling rig
#22Directional drill stem rod loader and method
#23AUTOMATED MAST CONTROL FOR DRILLING
#24Assist cylinder for negative angle drilling mast
#25Mast with hydraulic circuit for assist cylinder
#26SYSTEM AND METHOD FOR THE USE OF PRESSURE EXCHANGE IN HYDRAULIC FRACTURING
#27Device for power transmission and signal transfer between stator and rotor of screw drilling tool
#28Autonomous tractor using counter flow-driven propulsion
#29Autonomous tractor using counter flow-driven propulsion
#30Tubing Pipe Centralizer
#31TRANSPORT TRAILER REEL AND INJECTOR SHIFT FOR MAXIMIZING COILED TUBING LOAD DISTRIBUTION
#32Modular electro-mechanical assembly for downhole device
#33Directional drill securing device and method
#34Negative angle capable blasthole drilling mast
#35Multi-functional drilling experiment platform
#36Drilling device and method for screwing drill rod elements to a drilling device
#37Detecting system in a soil drilling machine and related method
#38Directional drill vice and method
#39TRANSPORT TRAILER REEL AND INJECTOR SHIFT FOR MAXIMIZING COILED TUBING LOAD DISTRIBUTION
#40Directional drill stem rod loader and method
#41Transport trailer reel and injector shift for maximizing coiled tubing load distribution
#42Positionable carriage assembly
#43Walking drilling rig
#44Horizontal directional drilling system
#45HYDRAULIC DRILLING MACHINE FOR WORKING IN A SMALL SPACE
#46Hydraulic drilling machine for working in a small space
#47Method and apparatus for moving in formation the modular components of a drilling rig from well to well
#48Blowout preventer positioning system
#49Hydraulic drilling machine for working in a small space
#50Support device for hydraulic workover unit for wellbore
#51Controlling a track-mounted drill rig