135373 ⎘
Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
SYSTEM AND METHOD FOR BLOCKAGE REMOVAL, CLEANING AND MONITORING PRESSURES IN SUBSEA EQUIPMENT
#2MULTI-MODE PUMPED RISER ARRANGEMENT AND METHODS
#3ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD
#4ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD
#5Downhole swivel apparatus and method
#6Multi-mode pumped riser arrangement and methods
#7MULTI-MODE PUMPED RISER ARRANGEMENT AND METHODS
#8MULTI-MODE PUMPED RISER ARRANGEMENT AND METHODS
#9Method of drilling an investigation well by use of auxiliary table of a dual-activity rig simultaneously with another activity on main table
#10Water bottom resource collecting system and collecting method
#11Rigless drilling and wellhead installation
#12Method for offshore dual-drive core drilling with three layers of casings under surge compensation
#13Rotating and reciprocating swivel apparatus and method
#14Multi-mode pumped riser arrangement and methods
#15Rotating and reciprocating swivel apparatus and method
#16Suction cylinder exploitation device and method for marine natural gas hydrates
#17Method of application of low salinity viscous fluid in drilling saline formations
#18Drape hose quick connect for managed pressure drilling
#19Downhole swivel apparatus and method
#20SYSTEMS AND METHODS FOR PROVIDING FLUID LIGHTENERS WHILE REDUCING DOWNHOLE EMULSIFICATIONS
#21Multi-mode pumped riser arrangement and methods
#22Rotating and reciprocating swivel apparatus and method
#23Hydraulic protection system and method
#24Well system including a downhole particle measurement system
#25Rotating and reciprocating swivel apparatus and method
#26Rigless drilling and wellhead installation
#27MPD-capable flow spools
#28Stabbing manifold and a connection device for use in managed pressure drilling
#29Downhole swivel apparatus and method
#30Safe dynamic handover between managed pressure drilling and well control
#31Managed pressure drilling systems and methods
#32SYSTEM AND METHOD FOR DISSOLVED GAS DETECTION
#33Static annular sealing systems and integrated managed pressure drilling riser joints for harsh environments
#34Wireline coring recovery system of a seafloor drilling rig and method of using same
#35SYSTEMS AND METHODS FOR MANAGING DEBRIS IN A WELL
#36Method for quantifying the volumetric flow rate of a flow of a drilling mud in a floating structure for subsoil drilling
#37System for collecting solid particles accumulating at the bottom of a subsea oil/water separation station
#38Downhole swivel apparatus and method
#39Autonomous blowout preventer
#40System and methods for controlled mud cap drilling
#41Continuous extruded solids discharge
#42Heave compensation system for assembling a drill string
#43Mud pump
#44MPD-capable flow spools
#45Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition
#46Rotating and reciprocating swivel apparatus and method
#47Rotating and reciprocating swivel apparatus and method
#48Additive to improve cold temperature properties in oil-based fluids
#49CHOKE SYSTEM
#50Universal riser joint for managed pressure drilling and subsea mudlift drilling
#51System and method for casing drilling with a subsea casing drive
#52Sediment core-drilling process for submarine wire-line coring drill rig
#53PUMP CHAMBER POSITION INDICATOR
#54Pipe ram annular adjustable restriction for managed pressure drilling with changeable rams
#55Apparatus and method for cleaning rock debris when deep-water surface drilling is done
#56Experimental device for simulating invasion of shallow fluid into wellbore
#57Semi-submersible drilling vessel with a mud treatment and circulation system
#58Additive to improve cold temperature properties in oil-based fluids
#59Downhole swivel apparatus and method
#60Water-based drilling fluids for deepwater drilling and use thereof
#61PLUG AND PLAY CONNECTION SYSTEM FOR A BELOW-TENSION-RING MANAGED PRESSURE DRILLING SYSTEM
#62Offshore drilling rig and a method of operating the same
#63System and method for drilling a wellbore portion in a subterranean formation
#64Dual gradient drilling system and method
#65Dual gradient drilling system and method
#66Dual gradient drilling system and method
#67Drilling system and method
#68Hydraulic filtration and pressure testing device
#69System and methods for controlled mud cap drilling
#70Systems and methods for managing debris in a well
#71Hydraulic filtration and pressure testing device
#72Rotating and reciprocating swivel apparatus and method
#73Systems and methods for controlling multi-chamber subsea pumps
#74Volumetric compensator for electric submersible pump
#75MPD-capable flow spools
#76Rotating and reciprocating swivel apparatus and method
#77METHOD OF OPERATING A DRILLING SYSTEM
#78Fluids and methods for mitigating sag and extending emulsion stability
#79Additive to improve cold temperature properties in oil-based fluids
#80Manifold assembly for a mineral extraction system
#81Downhole swivel apparatus and method
#82Riser system for coupling selectable modules to the riser
#83Heave compensated managed pressure drilling
#84Flushing a tool for closed well operation and an associated method
#85MUD LIFT DRILLING SYSTEM USING EJECTOR ASSEMBLY IN MUD RETURN LINE
#86Bell nipple
#87Modified pumped riser solution
#88Systems and methods for managing debris in a well
#89Drill apparatus for a floating drill rig
#90Automated well pressure control and gas handling system and method
#91Offshore drilling rig and a method of operating the same
#92Drilling riser protection system
#93System for using pressure exchanger in dual gradient drilling application
#94Rotating and reciprocating swivel apparatus and method
#95Inner drilling riser tie-back connector seal
#96Estimating cuttings removal
#97Nanoparticle kinetic gas hydrate inhibitors
#98Heave compensation system for assembling a drill string
#99FORMING A SUBSEA WELLBORE
#100Managed pressure drilling system having well control mode
#101Drilling Rig and Method of Operating It
#102Method for predicting hydrate formation
#103Method for detecting wellbore influx
#104Method of assembly of a string of elements for deepwater drilling and ultradeep obstruction element and corresponding use of the same in said drilling string
#105PUMP CHAMBER POSITION INDICATOR
#106Drilling method for drilling a subterranean borehole
#107Downhole swivel apparatus and method
#108Downhole pressure maintenance system using reference pressure
#109Managed pressure drilling with rig heave compensation
#110Rotating and reciprocating swivel apparatus and method
#111Connector assembly for connecting a hose to a tubular
#112Natural gas hydrate formation drilling simulation device
#113Pumping block device having an integrated bypass circuit
#114System for monitoring a surface for gas and oil flow
#115Deep water drilling riser pressure relief system
#116Emergency wellbore intervention system
#117SYSTEMS AND METHODS FOR MANAGING PRESSURE IN A WELLBORE
#118Well monitoring, sensing, control and mud logging on dual gradient drilling
#119Emergency valve assembly for extraction wells, well equipped with said valve and process for managing an extraction well with said valve under emergency conditions
#120Subsea well systems and methods for controlling fluid from the wellbore to the surface
#121Integrated managed pressure drilling transient hydraulic model simulator architecture
#122MPD-capable flow spools
#123Systems and methods for subsea drilling
#124Rotating and reciprocating swivel apparatus and method
#125Offshore drilling rig and a method of operating the same
#126Fluid stabbing dog
#127Offshore drilling rig and a method of operating the same
#128Method and apparatus for subsea well plug and abandonment operations
#129Kick detection systems and methods
#130Marine diverter system with real time kick or loss detection
#131BHA Surge Relief System
#132System and method for managing pressure when drilling
#133Apparatus and method for controlling pressure in a borehole
#134Drilling method for drilling a subterranean borehole
#135MODULAR MUD LIFT PUMP ASSEMBLY
#136Fluid displacement tool and method
#137Downhole swivel apparatus and method
#138Heave compensation system for assembling a drill string
#139System for monitoring a surface for gas and oil flow
#140Slug mitigation system for subsea pipelines and risers
#141Rotating control device docking station
#142Flow control system
#143Riser displacement and cleaning systems and methods of use
#144Recovery valve
#145Wellbore annular pressure control system and method using gas lift in drilling fluid return line
#146Method of handling a gas influx in a riser
#147Nanoparticle kinetic gas hydrate inhibitors
#148Boost system and method for dual gradient drilling
#149Delivery method and system
#150Method and device for riserless drilling fluid recovery
#151Flow stop valve
#152Hydraulic cushion
#153Decompression to fill pressure
#154AUTOMATIC PUMP CHAMBER CONTROL ADJUSTMENT
#155Diverter stabbing dog
#156Device and method for controlling return flow from a bore hole
#157System and method for inhibiting an explosive atmosphere in open riser subsea mud return drilling systems
#158Apparatus and methods of running casing in a dual gradient system
#159Drilling fluid pump module coupled to specially configured riser segment and method for coupling the pump module to the riser
#160Fluid diverter system for a drilling facility
#161Rotating control device docking station
#162Drillstring combination pressure reducing and signaling valve
#163Modular rig design
#164Systems and methods for subsea drilling
#165Direct drive fluid pump for subsea mudlift pump drilling systems
#166Dual gradient drilling system
#167Gravity based fluid trap
#168Rig with clog free high volume drill cutting and waste processing system
#169System for drilling a borehole
#170Dual gradient managed pressure drilling
#171Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore
#172Nanoparticle kinetic gas hydrate inhibitors
#173Downhole swivel apparatus and method
#174DRILLING RISER ADAPTER WITH EMERGENCY FUNCTIONALITY
#175Riserless, pollutionless drilling system
#176Flow stop valve
#177DIVERTER SYSTEM FOR A SUBSEA WELL
#178Dual density mud return system
#179Managed pressure drilling with rig heave compensation
#180System and method for drilling a well that extends for a large horizontal distance
#181Subsea solids processing apparatuses and methods
#182System and method for drilling a subsea well
#183Apparatus and system for processing solids in subsea drilling or excavation
#184Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells
#185LANDING STRING ASSEMBLY
#186Dual gradient drilling ship
#187Deep water drilling with casing
#188Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore
#189External jet pump for dual gradient drilling
#190Remote operation of an oilfield device
#191Pumping mud by electrohydrodynamic propulsion
#192Pumping mud by electrohydrodynamic propulsion
#193Systems and methods for subsea drilling
#194Systems and methods for circulating out a well bore influx in a dual gradient environment
#195Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions
#196Flow stop valve and method
#197Systems and methods for running casing into wells drilled with dual-gradient mud systems
#198Offshore drilling system
#199Rotating and reciprocating swivel apparatus and method
#200Collecting device and a method for using same
#201Subsea solids processing apparatuses and methods
#202Deep water drilling with casing
#203PURGE SYSTEM
#204PIPE STRING DEVICE FOR CONVEYING A FLUID FROM A WELL HEAD TO A VESSEL
#205Well drilling and production using a surface blowout preventer
#206Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths
#207Anchored riserless mud return systems
#208Subsea lateral drilling
#209Return line mounted pump for riserless mud return system
#210Centralization and running tool and method
#211Dual gradient drilling method and apparatus with an adjustable centrifuge
#212Dual gradient drilling method and apparatus with an adjustable centrifuge
#213Dual density mud return system
#214Separating device
#215Rotating control device docking station
#216Method and system for return of drilling fluid
#217Remote gas monitoring apparatus for seabed drilling
#218Downhole swivel apparatus and method
#219Arrangement and method for controlling and regulating bottom hole pressure when drilling deepwater offshore wells
#220DISPERSIVE RISERLESS DRILLING FLUID
#221Device for removal and filtration of drilling fluid
#222Method and device for controlling drilling fluid pressure
#223Method and device by a displacement tool
#224Deep water drilling with casing
#225Well drilling and production using a surface blowout preventer
#226Method and arrangement for performing drilling operations
#227Downhole swivel apparatus and method
#228Control systems and methods for active controlled bottomhole pressure systems
#229Internal riser rotating control head
#230Dual gradient drilling method and apparatus with multiple concentric drill tubes and blowout preventers
#231Drilling system and method for controlling equivalent circulating density during drilling of wellbores
#232Methods and apparatus for drilling with a multiphase pump
#233Control systems and methods for active controlled bottomhole pressure systems
#234Underbalanced well drilling and production
#235Drilling systems
#236Liquid lift method for drilling risers
#237Device and method for rapidly regulating downhole pressure after kick in deepwater shallow open-circuit drilling
#238Systems and methods for providing fluid lighteners while reducing downhole emulsifications
#239Systems and methods for providing fluid lighteners while reducing downhole emulsifications
#240Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time
#241Plug and play connection system for a below-tension-ring managed pressure drilling system
#242Drilling fluid circulation system
#243Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling
#244Subsea drilling systems and methods