SYSTEMS AND METHODS FOR THE DETECTION OF KEY SEATING WEAR IN OFFSHORE DRILLING

SYSTEMS AND METHODS FOR HEAVE COMPENSATION

Rigless drilling and wellhead installation

Maritime drilling with fluid reverse circulation without using drilling riser

SEMI-SUBMERSIBLE FLOATING OFFSHORE VESSEL

Rigless drilling and wellhead installation

Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition

Reamer with cutting inserts for use in drilling operations

Reamer cutting insert for use in drilling operations

Offshore production systems with top tensioned tendons for supporting electrical power transmission

Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed

METHOD FOR ASSEMBLING AND DISASSEMBLING MARINE RISER AND AUXILIARY LINES AND WELL PRESSURE CONTROL SYSTEM

Method and device for detecting a tensile force exerted while pulling a pipe or line during installation

Unmanned or remotely operated platform

Borehole cross-section steering

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

Underreamer for increasing a wellbore diameter

System and method for laying underground cables or underground lines in the ground near the surface

Integrated rotating control device and gas handling system for a marine drilling system

Riser system for coupling selectable modules to the riser

Dynamic positioning of mobile offshore drilling unit

PISTON ASSEMBLY TO REDUCE ANNULAR PRESSURE BUILDUP

Method for riser string handling and an offshore drilling vessel

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

Reamer assembly

Method of assembly of a string of elements for deepwater drilling and ultradeep obstruction element and corresponding use of the same in said drilling string

Offshore drilling system, vessel and methods

Method for riser string handling and an offshore drilling vessel

Offshore drilling vessel

RISERLESS WELL SYSTEMS AND METHODS

Reamer for use in drilling operations

Floating type self-lifting drilling platform

Land based dynamic sea motion simulating test drilling rig and method

Drillhead assembly with chambered sonde housing

Deflection absorbing tensioner frame

Offshore drilling installation and method for offshore drilling

Assembly and method for subsea hydrocarbon gas recovery

Triple activity drilling ship

Triple activity drilling ship

Tender Barge for Drillship Operating in Environmentally Sensitive Areas

DRILLING SYSTEM AND METHOD

Method and apparatus for operating a downhole tool

Delivery method and system

System and method of executing an underwater well drilling program in the bed of a body of water, and auxiliary floating unit

Floating offshore facility and a method for drilling a well

Floating offshore facility and a method for drilling a well

Method for motion compensation using wired drill pipe

Tension frame

Method and device for establishing a borehole in the seabed

Riserless, pollutionless drilling system

Dual gradient drilling ship

Floating offshore structure for hydrocarbon production

Apparatus, system and method for motion compensation using wired drill pipe

System and method for simultaneous sea drilling operations

Subsea drilling

Triple activity drilling ship

DISPERSIVE RISERLESS DRILLING FLUID

Control systems and methods for active controlled bottomhole pressure systems

Telescopic guide pipe for offshore drilling

Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof

Control systems and methods for active controlled bottomhole pressure systems

Guide device in an offshore drilling installation

Deepwater subsea coiled tubing drilling rig

Offshore floating drilling platform for operation in ice-infested waters and harsh environment

Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling