135300 ⎘
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Couplings; joints between rod and bit or between rod and rod
Drill pipe protector assembly
#302Tapered Spline Connection for Drill Pipe, Casing, and Tubing
#303Method and system for setting a metal seal
#304Radial spring latch apparatus and methods for making and using same
#305Flexible extrusion resistant ring seal assembly
#306Connection System for Tubular Members
#307Friction reducing wear band and method of coupling a wear band to a tubular
#308THREADLESS DRILLPIPE CONNECTOR
#309Digging tool, digging bit, and device
#310Laminate pressure containing body for a well tool
#311Metal-to-metal seal for smooth bore
#312Composite coiled tubing end connector
#313Bi-steel percussive drill rod
#314Drilling tool steering device
#315End Connector For Flexible Pipe
#316Top drive system
#317Threaded tubular connection
#318Protective sleeve for threaded connections for expandable liner hanger
#319Method for joining ends of sections of pipe
#320Connector having offset radius grooves
#321Radial spring latch apparatus and methods for making and using same
#322Technique and System for Intervening in a Wellbore Using Multiple Reels of Coiled Tubing
#323Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
#324Protective sleeve for threaded connections for expandable tubulars
#325PROTECTIVE SLEEVE FOR THREADED CONNECTIONS FOR EXPANDABLE LINER HANGER
#326Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
#327Fishtail bore seal
#328Laminate pressure containing body for a well tool
#329Drilling head for an anchor
#330Rock drill tool, rock drill bit and production method
#331Connector for use in a wellbore
#332Non-threaded expandable pipe connection system
#333Equipment for installing a spoolable connector in coiled tubing
#334Threaded tubular connection having interlocking tubular end structures
#335Apparatus and method to connect two parts without rotation
#336Semi-disposable coiled tubing connector
#337Tubular connection and method
#338Tubing connector
#339Methods and devices for horizontal directional drilling and other procedures
#340Composite low cycle fatigue coiled tubing connector
#341System for use in a bore hole for axially coupling a tubular end and a mandrel
#342Bore hole tool assembly and method of designing same
#343Protective sleeve for threaded connections for expandable liner hanger
#344Securing arrangement for reamers in raise boring
#345Coiled tubing connector
#346System and method for directional drilling utilizing clutch assembly
#347System for connecting downhole tools
#348Unipolar transverse magnetic flux machine
#349Internal slip connector
#350Method and device for connecting to a conductor pipe
#351Anti-vibration mount
#352Method and device for connecting to a conductor pipe
#353Flowline junction fittings for frac systems
#354End fitting for sucker rods
#355Drill members for mine roofs
#356Work string and method of completing long lateral well bores