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9038729 Adaptor flange for rotary control device  
An adapter assembly having a sealing element, a drive bushing, and an adapter flange disposed between the sealing element and the drive bushing. Also, a method of assembling a rotational control...
9038733 Tubulars storage and handling system  
A hydrocarbon drilling tubulars storage and handling system, said system comprising: —first and second rotary storage racks, each rotary storage rack being rotatable about a vertical axis and h...
9038732 Method and device for riserless drilling fluid recovery  
A method and a device for enabling the use of riserless drilling fluid recovery from a seabed-based borehole (1) which is to be drilled by means of a casing (26), the casing (26) being provided...
9033048 Apparatuses and methods for determining wellbore influx condition using qualitative indications  
Apparatuses and methods useable in drilling installations having a mud loop for detecting ongoing or imminent kick events are provided. An apparatus includes a first sensor configured to measure a...
9033052 Rotating and reciprocating swivel apparatus and method  
What is provided is a method and apparatus wherein a rotating and reciprocating swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into...
9016382 Offshore drilling rig fingerboard latch position indication  
A fingerboard latch assembly includes a latch configured for operational engagement with a fingerboard for lockingly retaining at least one tubular to the fingerboard. The latch is movable within a...
9016381 Mudline managed pressure drilling and enhanced influx detection  
Apparatuses useable in drilling installations for adjusting a mud return flow in a mud loop, at a location far from a mud tank are provided. An apparatus includes (1) a sensor located close to a...
8997889 Underwater drilling arrangement and method for introducing a foundation element into a bed of a body of water  
The invention relates to an underwater drilling arrangement and a method for introducing a foundation element into a bed of a body of water comprising a submersible working platform for placement...
8985229 Sealing arrangement, and corresponding method  
A sealing arrangement and method for dynamic sealing around a drill stem (50) in water-carrying, drilling fluid-carrying or hydrocarbon-carrying wells, comprising at least one dynamic sealing (35a)...
8973674 Drilling system and method of operating a drilling system  
A drilling system (10) including a drill string (13) which extends from a floating drilling rig to a well bore, and a tubular riser (12) which surrounds at least part of the portion of the drill...
8967292 Method and device for establishing a borehole in the seabed  
A method and device for establishing a borehole (26) in the seabed (4), comprising setting of a conductor (1), wherein the method is characterized in that it comprises:—providing the conductor (...
8955596 Damping apparatus for moonpool  
Provided is a damping apparatus for a moonpool, which has a simple driving mechanism. The damping apparatus includes one or more damping plates which cover a moonpool of a hull entirely or...
8950500 Suction pile wellhead and cap closure system  
Various embodiments of underwater wellhead closure systems are described that include a template having first and second anchoring ports and that is configured to be secured to a floor of a body of...
8931560 Downhole swivel apparatus and method  
What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing...
8925647 Triple activity drilling ship  
A triple activity drilling ship may be provided with two separate drilling centers, each including drilling apparatus. In addition, a trolley that is capable of supporting tubulars may be...
8926226 Device for manufacturing a foundation for a mass located at height, associated method and assembly of the device and a jack-up platform  
The invention relates to a device for manufacturing a foundation for a mass located at height, such as the jacket of a wind turbine or a jetty, wherein the foundation comprises a quantity of piles...
8919449 Offshore drilling and production systems and methods  
A method of drilling and producing from an offshore structure, comprising drilling a first well from the offshore structure with a drilling riser; completing the first well with a first subsurface...
8881843 Managed pressure and/or temperature drilling system and method  
The present invention relates to a managed pressure and/or temperature drilling system (300) and method. In one embodiment, a method for drilling a wellbore into a gas hydrates formation is...
8881831 Offshore universal riser system  
An offshore universal riser system may include a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string. An anchoring...
8863858 System and method for managing heave pressure from a floating rig  
A system compensates for heave-induced pressure fluctuations on a floating rig when a drill string or tubular is lifted off bottom and suspended on the rig, such as when tubular connections are...
8833462 Method and system for installing subsea well trees  
The disclosure provides a method and system of installing subsea well trees, comprising: creating a glory hole having a depth below a seabed at a well location of a hydrocarbon reservoir; moving a...
8833463 Above mudline whipstock for marine platform drilling operations  
A whipstock system for drilling a wellbore from a water bottom supported platform having wellbores with conductor pipes disposed through guide slots in a template on the bottom of a body of water...
8833465 Subsea differential-area accumulator  
An accumulator for a subsea blowout preventer unit including a blowout preventer includes a body. The body includes a hydraulic fluid chamber and a gas chamber. The hydraulic fluid chamber has a...
8800666 Method for lightening a riser pipe with optimized wearing part  
A riser pipe for drilling an offshore well comprises a main tube extending the well up to a floating support, an auxiliary line being arranged parallel to main tube (4a, 4b). The auxiliary line...
8783379 Fluid transfer device usable in managed pressure and dual-gradient drilling  
A fluid transfer device for use in wellbore drilling includes at least one pressure vessel having a fluid port at a bottom thereof for entry and discharge of a working fluid and a fluid port at a...
8770297 Subsea internal riser rotating control head seal assembly  
An RCD is used to provide a system and method for sealing a marine riser having a rotatable tubular. A bypass internal channel or external line may be used to allow fluid to bypass the RCD seal. An...
8757289 Underwater drilling arrangement and method for making a bore in a bed of a water body  
The invention relates to an underwater drilling arrangement and a method for making a bore in a bed of a lake, sea or river, having a service platform which can be lowered for positioning on the...
8733472 Multi-operational multi-drilling system  
A system including a setback and racking system and a set of wellbay accesses, at least a portion of the setback and racking system positioned at an elevation lower than the elevation of the...
8720577 Downhole swivel apparatus and method  
What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing...
8720603 Underwater drilling arrangement and method for making a bore  
The invention relates to an underwater drilling arrangement for making a bore in the bed of a lake, sea or river with a platform which can be lowered for positioning on the bed of the lake, sea or...
8678094 Multiple activity rig  
An offshore platform may include a pair of trolleys. One trolley may be mounted on top of the platform and the other trolley may be suspended below the platform. Each trolley may be positioned on...
8668028 Underwater drilling arrangement and method for introducing a tubular foundation element into the bed of a body of water  
The invention relates to an underwater drilling arrangement for introducing a tubular foundation element into the bed of a body of water comprising at least one rotary drill drive, whereby a drill...
8640775 Multi-deployable subsea stack system  
Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout...
8640778 Systems and methods for subsea drilling  
A subsea drilling method and system for controlling the drilling fluid pressure, where drilling fluid is pumped down into the borehole through a drill string and returned back through the annulus...
8607895 Drilling fluid additive for reducing lost circulation in a drilling operation  
Generally, the present invention provides drilling fluid additives for reducing or controlling lost circulation in a drilling operation. The additives comprises particles. The particles comprise...
8607894 Offshore thermal treatment of drill cuttings fed from a bulk transfer system  
A system for offshore disposal of drill cuttings including a cleaning system for treating contaminated drill cuttings into drill cuttings and contaminants; a transport system for moving the drill...
8590634 Subsea drilling  
A subsea cutting device for a subsea blow-out preventer or wellhead comprises a tubular body having an axial throughbore, and configured to be fitted to a casing string, the cutting device further...
8567507 Rotating and reciprocating swivel apparatus and method  
What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections...
8561705 Lead impression wear bushing  
A wear bushing having a lead impression block is landed axially above a casing hanger and actuated to test an elevation of lock ring grooves formed in a wellhead. Then, drilling operations are...
8517111 Systems and methods for circulating out a well bore influx in a dual gradient environment  
Methods and systems for drilling subsea wells bores with dual-gradient mud systems include drilling the subsea well bore while employing a subsea pumping system, a subsea choke manifold and one or...
8453758 Dual density mud return system  
Systems and methods for lifting drilling fluid from a well bore in a subsea formation are disclosed. Some system embodiments include a drill string suspended within a drilling riser to form the...
8443898 Wellhead safety device  
A wellhead safety device can include a tubular with outer surface portions having different diameters. A first seal groove can be disposed on a first outer diameter. A locking groove can be formed...
8403059 External jet pump for dual gradient drilling  
An apparatus comprises a jet pump assembly affixed to a riser string and to a blowout preventer. The jet pump assembly comprises a conduit and a sealing assembly configured to accelerate a drilling...
8387704 System and method for simultaneous sea drilling operations  
A system and method for carrying out simultaneous operations of assembling, dismantling, and maintaining equipment installed by an oil rig, using the tools, systems, and the areas available on the...
8387705 Systems and methods for running casing into wells drilled with dual-gradient mud systems  
Systems and methods for running and cementing casing into wells drilled with dual-gradient mud systems include running casing through a subsea wellhead connected to a marine riser, the casing...
8365830 Multi-deployable subsea stack system  
Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout...
8347982 System and method for managing heave pressure from a floating rig  
A system compensates for heave induced pressure fluctuations on a floating rig when a drill string or tubular is lifted off bottom and suspended on the rig, such as when tubular connections are...
8342249 Offshore drilling system  
According to one or more aspects of the invention, a method for drilling an offshore wellbore into a seabed from a platform positioned proximate to the water surface comprises making-up a first...
8322460 Dual density mud return system  
Systems and methods for lifting drilling fluid from a well bore in a subsea formation are disclosed. Some system embodiments include a drill string suspended within a drilling riser to form the...
8322439 Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells  
An arrangement and a method to control and regulate the bottom hole pressure in a well during subsea drilling at deep waters: The method involves adjustment of a liquid/gas interface level in a...
Matches 1 - 50 out of 236 1 2 3 4 5 >