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Match Document Document Title
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...
9019118 Automated well control method and apparatus  
A drilling control system monitors and compares drilling and completion operation sensor values and autonomously acts in response to conditions such as a kick or surge. Sensors in various...
8997888 Hoisting device  
A multi purpose hoisting device for use on a floating vessel having a deck, including: a load bearing structure to be mounted on the vessel; a main hoisting mechanism for raising/lowering an...
8998540 Method, apparatus and system for attaching an anchor member to a floor of a body of water  
A remotely operable drilling apparatus (6) comprises a body such as frame (10) and drive means arranged to drill annular pile (8), which is loaded in the drilling apparatus (6) into the floor of a...
8978774 System and method for drilling a subsea well  
A subsea mud pump can be used to return heavy drilling fluid to the surface. In order to provide a less stringent requirement for such a pump and to better manage the bottom hole pressure in the...
8931577 Double valve block and actuator assembly including same  
A valve comprises a housing including a first chamber, a second chamber, and a neutral chamber. In addition, the valve comprises a stem disposed within the housing. Further, the valve comprises a...
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...
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...
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...
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...
8905156 Drop away funnel for modular drilling templates  
A template for use in positioning subsea wellbores that has a drop away funnel that extends laterally from the template. The drop away funnel is used to locate a piling adjacent the wellbores and...
8905155 Marine well with shallow-water flow monitoring  
A marine well with shallow-water flow monitoring is for monitoring an open hole section of the marine well during marine drilling operations. The shallow water flow monitoring system uses time...
8887814 Offshore universal riser system  
An offshore universal riser system. A riser system includes a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string....
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...
8875805 Mobile drilling system and a methodology for installation of the system  
A mobile drilling system comprising a top member with a drilling rig positioned thereon. The top member is removably engaged with a foundation member. The foundation member comprises a tower. The...
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...
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...
8767063 System for monitoring a marine well for shallow-water flow  
A system for monitoring an open hole section of a marine well for shallow-water flow during marine drilling operations. The system for monitoring uses time periods and intervals while mud pumps...
8746351 Method for stabilizing oilfield equipment  
Systems and methods for stabilizing a riser or similar object against motion can include engaging two or more cylinder apparatus to the object. Communication of fluid between cylinder apparatus,...
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...
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...
8631874 Apparatus and method for managed pressure drilling  
A drilling system employing a main tubular having a plurality of fluid inlet and outlet conduits positioned thereon and a concentric inner tubular having a plurality seals for sealing the annular...
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...
8528666 Method and apparatus for disposal of cuttings  
A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising (a) transporting the drill cuttings 520 to a cuttings collection area 530...
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...
8496063 Separation of drill cuttings from drilling fluid on a seabed  
A method and device for recovering drilling fluid used in connection with the provision of a subsea well, in which the drilling fluid is circulated from a vessel on a sea surface via a drill...
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...
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...
8316945 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...
8316963 Cuttings processing system  
A method for using a vessel assembly including two or more vessels in multiple drilling unit operations, the method including using a vessel in the container assembly for cuttings storage, and...
8267201 Method and apparatus for disposal of cuttings  
A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising providing a barge 10, the barge 10 having at least one storage area 30, a...
8256520 Drill ship  
Floating systems for well operations are disclosed with a height-adjustable crown assembly movably connected to a derrick; in one aspect, movable within the derrick by movement apparatus; and, in...
8253790 Cylinder stroke system with laser proximity detector  
A cylinder stroke system with a laser proximity detector including a pressure containing tube. The pressure containing tube can include a first tube end and a second tube end. A cylinder rod can...
8176985 Well drilling and production using a surface blowout preventer  
Production and drilling may be achieved by a system which uses a rotating head coupled to surface blowout preventer stack for fluid flow control. A casing connects these surface components to a...
8162063 Dual gradient drilling ship  
Dual gradient drilling may be performed by anchoring drilling tubulars from a drilling ship on the seabed. The drilling tubulars may include an inline pump for pumping mud through another set of...
RE43199 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...
8096371 Method and apparatus for disposal of cuttings  
A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising (a) transporting the drill cuttings 520 to a cuttings collection area 530...
8079426 Integrated drilling deck and bop handling  
A method for handling a blow-out-preventer on a drilling platform and a drilling platform having a lower pontoon structure; a plurality of columns extending upwards from the lower pontoon...
8074738 Offshore thermal treatment of drill cuttings fed from a bulk transfer system  
A system for offshore treatment of drill cuttings that includes a first pressurized vessel configured to receive contaminated drill cuttings and adapted to allow a compressed gas be introduced...
8033335 Offshore universal riser system  
An offshore universal riser system (OURS) and injection system (OURS-IS) inserted into a riser. The OURS/OUR-IS provides a means for pressurizing the marine riser to its maximum pressure...
8011435 Subsea lateral drilling  
A method for drilling a borehole in a producing subsea wellbore wherein a flexible conduit is connected at one end to a surface vessel and at the other end via a pressurized subsea wellhead to the...
7975770 Dual-BOP and common riser system  
The disclosure is drawn to methods of drilling wells utilizing blow out prevention components of differing pressure ratings. In the initial drilling phase, a lower pressure rated blow out...
7975771 Method for running casing while drilling system  
At least a portion of a subsea well is drilled casing-while-drilling techniques. A landing shoulder is formed within an outer string of a casing. The outer string of casing is secured to an outer...
7958938 System and vessel for supporting offshore fields  
A system for supporting multiple-well-site, offshore, hydrocarbon-bearing fields, each well-site has one or more wells. In general, the system first comprises a floating vessel that is relocatable...
7950463 Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths  
A method for removing soils, particles or fluids from the seabed or from great sea depths, includes positioning a platform or a vessel above an offshore location, lowering a riser from the vessel...

Matches 1 - 50 out of 336 1 2 3 4 5 6 7 >