135346 ⎘
Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables; Apparatus for feeding the rods or cables ; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods Cam, rack or like feed mechanisms
JACK FOR DRILLING
#2Tunneling and Anchoring Machine and Tunneling System
#3Horizontal directional drill with freewheel mode
#4Horizontal directional drill with freewheel mode
#5HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE
#6HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE
#7HORIZONTAL DIRECTIONAL DRILLING RIG
#8Horizontal directional drill with freewheel mode
#9Straddle seat pit launch directional drill
#10Drill feed system
#11Mast assembly for drilling rig
#12System and method for subsea well operation
#13STEPPING ANCHOR SUPPORTING ROBOT FOR FULLY MECHANIZED WORKING FACE
#14Automated pipe tripping apparatus and methods
#15Hybrid carriage drive for an underground drilling machine
#16Automated drilling/service rig apparatus
#17Ground drilling device and use of a ground drilling device
#18High trip rate drilling rig
#19Mast assembly for drilling rig
#20Vertical lift rotary table
#21Pipe handling assembly
#22Automated pipe tripping apparatus and methods
#23Slide cartridge
#24High trip rate drilling rig
#25Vertical lift rotary table
#26High trip rate drilling rig
#27HIGH TRIP RATE DRILLING RIG
#28Cable guide for drill line slip and cut operations on a drilling rig and related method for achieving a tensioned state of the drill line
#29Mast with rack assembly
#30Duplex snubbing jack
#31Automated drilling/service rig apparatus
#32Horizontal directional drilling rig with health monitoring of components
#33Powered slip actuation
#34Pivoting rod box for a horizontal directional drilling machine
#35Slide cartridge
#36METHOD OF INSTALLING COILED TUBING WITH A PLURALITY OF INTEGRATED LARGE DIAMETER EXTERNAL ASSEMBLIES
#37Automated pipe tripping apparatus and methods
#38Drilling rig carriage movable along racks and including pinions driven by electric motors
#39Drilling control system and method with actuator coupled with top drive or block or both
#40Gear backlash adjustment mechanism
#41Modular racker system for a drilling rig
#42Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device
#43WELL OPERATION METHOD AND A WELL OPERATION EQUIPMENT SYSTEM FOR HANDLING A CONTINUOUS ELONGATE DEVICE TO BE INSERTABLE INTO A WELL
#44Drill rig and associated drill rig traverse system
#45Automated drilling/service rig apparatus
#46Storage, handling and positioning device for drill rods and methods thereof
#47Drilling rig carriage movable along racks and including pinions driven by electric motors
#48Drilling rig employing tubular handling device
#49Drilling rig employing top drive
#50Drilling rig carriage movable along racks and including pinions driven by electric motors
#51Drilling rig employing pivoting drilling tower
#52Drill rig and associated drill rig traverse system
#53Latching configuration for a microtunneling apparatus
#54Device for an electromechanical hoisting machine, especially for use when drilling oil and gas wells
#55Track and Sprocket Drive for Drilling
#56Excavation machine with a pivotable kelly bar
#57Logging tool deployment systems and methods with pressure compensation
#58Method and Apparatus for Managing Rod Changes in Horizontal Directional Drill
#59Right angle driving tool
#60Straddle seat pit launch directional drill
#61Portable coring machine
#62Horizontal directional drilling rig with electrical buss bar
#63Jointed pipe injector