Downhole swivel apparatus and method

DRILLING EQUIPMENT POWERED BY GEOTHERMAL ENERGY

HYBRID SEABED SEISMIC ACQUISITION GEOMETRY USING A COMBINATION OF NODES AND AUTONOMOUS UNDERWATER VEHICLES

Method of drilling an investigation well by use of auxiliary table of a dual-activity rig simultaneously with another activity on main table

Method for offshore dual-drive core drilling with three layers of casings under surge compensation

Downhole swivel apparatus and method

Double-layer coiled tubing double-gradient drilling system

Micro core-drilling testing system for high-pressure environment

PROCESS FOR DETERMINING REAL TIME RISK, RELIABILITY AND LOSS MITIGATION POTENTIAL FOR ULTRA DEEPWATER WELL CONTROL EQUIPMENT USED FOR OFFSHORE DRILLING OPERATIONS

Downhole swivel apparatus and method

Electric drilling tool suitable for ocean underwater drilling rig

Portable seafloor drill rig for submersible for multi-point core drilling

Drilling or work-over rig comprising an operational control and/or state unit and a computer-implemented method of providing operational control and/or state

Integrating wells in towable subsea units

Well operations using flexible elongate members

Downhole swivel apparatus and method

Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the same

SUBSEA PROCESSOR FOR UNDERWATER DRILLING OPERATIONS

Conductorless subsea well

Large width diameter riser segment lowerable through a rotary of a drilling rig

Movable wellbay assembly

RISER FLUID HANDLING SYSTEM

Downhole swivel apparatus and method

ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD

Water-based drilling fluids for deepwater drilling and use thereof

Offshore drilling rig and a method of operating the same

Offshore drilling system, vessel and method

Undersea mining base, mining base monitoring device, and chimney avoidance method for seabed deposit

Offshore system with movable cantilever

Drilling system and method

Seabed supported unit and method to provide a shallow water drilling terminal

PROCESS FOR DETERMINING REAL TIME RISK, RELIABILITY AND LOSS MITIGATION POTENTIAL FOR ULTRA DEEPWATER WELL CONTROL EQUIPMENT USED FOR OFFSHORE DRILLING OPERATIONS

Offshore drilling system, vessel and method

KICK DETECTION SYSTEM AND METHOD FOR DRILLING WELL AND ASSOCIATED WELL DRILLING SYSTEM

Drilling or work-over rig comprising an operational control and/or state unit and a computer-implemented method of providing operational control and/or state

Large-width diameter riser segment lowerable through a rotary of a drilling rig

METHOD OF OPERATING A DRILLING SYSTEM

DRILLING APPARATUS AND METHOD FOR PRODUCING A BORE

Method of using a rotating and reciprocating swivel apparatus

Downhole swivel apparatus and method

Arctic drilling process

FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT DRILLING

Heave compensated managed pressure drilling

Method for mechanically stabilizing deep sea sediments, marine raw material deposits and/or submarine slope and/or control/conditioning method of the hydraulic properties of deep sea sediments

Installation systems and methodology for helical strake fins

Modular system and method for controlling subsea operations

Riser fluid handling system

Drill apparatus for a floating drill rig

Offshore drilling rig and a method of operating the same

Offshore drilling system, vessel and method

MUD TELEMETRY WITH ROTATING CONTROL DEVICE

Marine drilling riser joint

APPARATUS AND METHOD FOR CONTROLLING AND MONITORING AUXILIARY APPARATUS OF DRILLING EQUIPMENT IN DRILL SHIP

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

System for controlling the movement of a load

Large-width/diameter riser segment lowerable through a rotary of a drilling rig

FORMING A SUBSEA WELLBORE

Managed pressure drilling system having well control mode

Drilling Rig and Method of Operating It

INSTALLATION ASSEMBLY FOR A SUBSEA WELLHEAD

Method for detecting wellbore influx

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

Surface layer conductor running tool for deep-water well drilling

Rotary percussive device

Drilling system and method of operating a drilling system

Downhole stinger geotechnical sampling and in situ testing tool

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

Downhole swivel apparatus and method

TWO-PHASE MANUFACTURE OF METAL MATRIX COMPOSITES

Apparatus and method for data transmission from a rotating control device

Process for constructing a well for exploiting a reservoir under a sea-bed or ocean-bed

PREDICTIVE VIBRATION MODELS UNDER RISERLESS CONDITION

System for monitoring a surface for gas and oil flow

SUPPORT APPARATUS FOR SUPPORTING DRIVE MEANS, AND DRIVING APPARATUS INCORPORATING SUCH SUPPORT APPARATUS

MEGAN UNDERWATER DRILLING STRUCTURES AND METHODS

Floating offshore facility and a method for drilling a well

Hydraulic fluid compositions

SYSTEMS AND METHODS FOR MANAGING PRESSURE IN A WELLBORE

System, apparatus, and method for dual-activity drilling

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

Integrated managed pressure drilling transient hydraulic model simulator architecture

Systems and methods for subsea drilling

Method of using a rotating and reciprocating swivel

Offshore drilling rig and a method of operating the same

Offshore well drilling system with nested drilling risers

Offshore drilling rig and a method of operating the same

Well Safety Equipment

Method and system for recovering ocean floor hydrothermal mineral resources

System for conveying fluid from an offshore well

Method, handling unit and stand for acquiring a sample from a seabed top layer

Offshore System with Subsea Riser

Floating structure and riser systems for drilling and production

Riser fluid handling system

CENTERING CONTROL TYPE DRILL SYSTEM FOR OFFSHORE STRUCTURE

Apparatus and method for data transmission from a rotating control device

BHA Surge Relief System

Assembly and method for subsea hydrocarbon gas recovery

Coring system and method

Vessel including a drilling installation, and a method of drilling a well using the same

Triple activity drilling ship

Detection of influxes and losses while drilling from a floating vessel

Downhole swivel apparatus and method

Arctic walker for hydrocarbon exploration

Rotating control device having jumper for riser auxiliary line

Method of forming a mudline cellar for offshore arctic drilling

System for monitoring a surface for gas and oil flow

Coring system including tensiometer and method of deciding accurate coring using the same

Coring system considering tilting of coring part and method of compensating depth of coring part using the same

Rotating control device docking station

Triple activity drilling ship

Offshore universal riser system

Method for drilling with a buoyant structure for petroleum drilling, production, storage and offloading

Method of and apparatus for drilling a subterranean wellbore

Offshore system comprising a rig and a cantilever

Drilling system having slot for underwater storage of BOP assembly

System and method for managing heave pressure from a floating rig

Pre-positioned capping device on high pressure wells

Pre-positioned capping device and diverter

Pre-positioned capping device for source control with independent management system

Boost system and method for dual gradient drilling

Downhole swivel apparatus and method

Delivery method and system

Merlin drilling riser assembly

Floating offshore facility and a method for drilling a well

Subsea wellhead assembly, a subsea installation using said wellhead assembly, and a method for completing a wellhead assembly

Multipurpose cantilever skidding frame

Device and method for controlling return flow from a bore hole

Mousehole apparatus

Floating offshore facility and a method for drilling a well

Multi-operational multi-drilling system

Riser fluid handling system

Fluid diverter system for a drilling facility

Systems and methods for subsea drilling

Dual gradient drilling system

Communications systems and methods for subsea processors

Subsea processor for underwater drilling operations

TACHOMETER FOR A ROTATING CONTROL DEVICE

MANAGED PRESSURE DRILLING SYSTEM HAVING WELL CONTROL MODE

System for conveying fluid from an offshore well

Subsea overpressure relief device

Dry Tree Semi-Submersible With Reduced-Height Drilling Floor

Drop away funnel for modular drilling templates

Rig with clog free high volume drill cutting and waste processing system

Shear laser module and method of retrofitting and use

Systems and methods for managing pressure in a wellbore

Dual gradient managed pressure drilling

High definition drilling rate of penetration for marine drilling

Offshore well drilling system with nested drilling risers

Riserless, pollutionless drilling system

System and method for managing heave pressure from a floating rig

Rotating and reciprocating swivel apparatus and method

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

Fluid transfer device usable in managed pressure and dual-gradient drilling

Deployment Mechanism for Well Logging Devices

Offshore drilling method

Offshore drilling method

Offshore universal riser system

Offshore universal riser system

Offshore universal riser system

Offshore drilling method

Offshore universal riser system

Shear laser module and method of retrofitting and use

Laser assisted riser disconnect and method of use

Multi-operational multi-drilling system

Dual gradient drilling ship

Acoustically controlled subsea latching and sealing system and method for an oilfield device

System and method for managing heave pressure from a floating rig

Dual Drilling Activity Drilling Ship

Remote operation of an oilfield device

Systems and methods for subsea drilling

Subsea drilling

Offshore drilling system

Method and System for Building Modular Structures from Which Oil and Gas Wells are Drilled

PARALLEL DRILLING AND COMPLETION FOR A DRY TREE FLOATING PRODUCTION FACILITY

Offshore universal riser system

Apparatus and method for data transmission from a rotating control device

Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths

Subsea Drilling System and Method for Operating the Drilling System

Method and Device for Subsea Wire Line Drilling

Rotating control device docking station

Subsea drilling

Downhole swivel apparatus and method

Offshore universal riser system

Triple activity drilling ship

Method for constructing a synthetic infiltration collection system

Method and arrangement for performing drilling operations

Method and system for building modular structures from which oil and gas wells are drilled

Downhole swivel apparatus and method

Drilling system and method for controlling equivalent circulating density during drilling of wellbores

Crushing method using large boreholes in underwater rock

Anchor for vehicle, vehicle and anchor in combination, and method of using the anchor

Systems and methods for casing drilling subsea wells

Drilling fluid circulation system

Subsea multibore drilling and completion system

Batch drilling using multiple mudline closure devices

Marine well with shallow-water flow monitoring

Installation systems and methodology for helical strake fins