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| Application No. | Application Title | Issue Date |
| 20110278014 | 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 fluid's return flow by a power fluid delivered by an umbilical connected... | 11/17/2011 |
| 20110253445 | 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 made during MPD, tripping, or when a kick is circulated out during conventio... | 10/20/2011 |
| 20110132615 | 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 tree; connecting the first subsurface tree to a manifold; drilling a seco... | 06/09/2011 |
| 20110108282 | 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 space between the concentric inner and main tubulars. The fluid inlet and ... | 05/12/2011 |
| 20110100710 | 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 between the drill string and the well bore. The drilling fluid pressure is... | 05/05/2011 |
| 20110061872 | 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 more mud return risers to implement the dual gradient mud system. When a ... | 03/17/2011 |
| 20110056696 | 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 comprising a shearing mechanism in the form of a radial cutting system ro... | 03/10/2011 |
| 20110056748 | WELLBORE FLUIDS CONTAINING SIZED CLAY MATERIAL AND METHODS OF USE THEREOF A wellbore fluid that includes a base fluid; and a sized non-hydratable clay is disclosed. The base fluid may be a water-based fluid or an oil-based fluid. Methods of drilling with such wellbore fluids that contain a base fluid and a sized non-hydratable clay are also d... | 03/10/2011 |
| 20110005832 | 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 cuttings; a slurrification system for making a slurry of the treated drill... | 01/13/2011 |
| 20100314168 | FLYWHEEL-BASED ENERGY STORAGE ON A HEAVE-COMPENSATING DRAWWORKS A system for managing energy consumption in a heave-compensating drawworks includes a power supply, a winch drum connected to the power supply so as to receive power from the power supply, a flywheel connected to the winch drum and to the power supply, and a controller ... | 12/16/2010 |
| 20100307401 | VESSELS WITH ROLL DAMPING MECHANISM The present invention relates to a monohull vessel with a heavy lift crane. The crane (20) comprises a jib (24), which has a reach beyond the hull of the vessel and hoisting means for hoisting a load. The vessel is provided with a water ballast system, and... | 12/09/2010 |
| 20100300697 | INSTALLING AN EXPANDABLE TUBULAR IN A SUBSEA WELLBORE A method and vessel for installing an expandable tubular in a subsea wellbore, wherein said expandable tubular is assembled from expandable tubular segments, said expandable tubular being adapted to be expanded diametrically when positioned in said wellbore by means of ... | 12/02/2010 |
| 20100258320 | OCEAN FLOOR DEEP-SEA SUBMERGED DECK A system for drilling a deep-sea borehole in a seabed is provided. The system includes a drill string having a plurality of strands adapted to be reversibly connected together to assemble the drill string and reversibly disconnected from one another to disassemble the d... | 10/14/2010 |
| 20100193244 | 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 one or more solids in association a wax or waxy substance. A drilling fluid... | 08/05/2010 |
| 20100143044 | Method and System for Building Modular Structures from Which Oil and Gas Wells are Drilled A method and system for building modular platform structures from which oil and gas wells are drilled and maintained is disclosed, wherein a plurality of easily transportable, multifunctional platform modules are interconnected on-site to form a unitary platform structu... | 06/10/2010 |
| 20100108322 | PARALLEL DRILLING AND COMPLETION FOR A DRY TREE FLOATING PRODUCTION FACILITY Field development drilling and completion/production work are performed from a floating facility having a deck with a moon pool and a well bay, a first drilling rig fixed to the deck over the moon pool, and a second drilling rig movably mounted on the deck over the well... | 05/06/2010 |
| 20100107956 | Modular naval complex and equipped modules intended to be part of said naval complex A modular naval complex comprises a basic vessel provided with means for varying the height of the waterline thereof and housing the bottom of which is formed by a platform that can be moved between a raised position and a submerged position by operating said means to v... | 05/06/2010 |
| 20100101860 | Phase Estimation From Rotating Sensors To Get a Toolface Measurements made by a rotating sensor on a bottomhole assembly are used to determine the toolface angle of the BHA. The method includes using a phase locked loop (PLL) to determine a phase difference between the sensor output and a reference signal.... | 04/29/2010 |
| 20100084190 | RIG STORAGE SYSTEM A system for storing cuttings including a drilling rig having a deck and at least two support structures, and at least one cuttings storage vessel disposed in at least one of the at least two support structures is disclosed. A method of storing cuttings on a drilling ri... | 04/08/2010 |
| 20100018715 | 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. An anchoring device releasably secures the valve module in the flow passa... | 01/28/2010 |
| 20100006297 | PIPE STRING DEVICE FOR CONVEYING A FLUID FROM A WELL HEAD TO A VESSEL A device including a pipe string device anchored to a sea floor. The device is configured to convey a fluid from a well head to a vessel during a drilling phase of a well. The fluid is located in the pipe string and needing, for well-technical reasons, to be given a flo... | 01/14/2010 |
| 20090314544 | 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 subsea shutoff assembly with a pair of ram shear devices to cut off the stri... | 12/24/2009 |
| 20090314495 | SYSTEMS AND METHODS FOR DRILLING AND PRODUCING SUBSEA FIELDS A system comprising a mobile offshore drilling unit, a first group of wells drilled by the mobile offshore drilling unit, a second group of wells drilled by the mobile offshore drilling unit comprises processing equipment adapted to process production from the first gro... | 12/24/2009 |
| 20090255728 | Wireline System A device and a method for seabed and water bottom drilling, core sampling and measuring, include a vertically movable and horizontally fixed cross beam, a winch fixed to the cross beam and having a rope wound thereon, a drill head disposed on the cross beam, a spindle h... | 10/15/2009 |
| 20090236144 | 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 disclosed. The method includes drilling the wellbore into the gas hydrate... | 09/24/2009 |
| 20090223715 | CONDUCTOR PIPE STRING DEFLECTOR AND METHOD An apparatus for deflecting a tubular string preferably comprising at least one side nozzle near the lower end of a first tubular string. The nozzle permits passage of a fluid therethrough from the first tubular string bore and deflects the first tubular string in a sub... | 09/10/2009 |
| 20090178847 | Method and Device for Subsea Wire Line Drilling A method and a device for subsea wire line drilling permit the recovery of a full core barrel with a coiled tubing, without pulling up a drill string.... | 07/16/2009 |
| 20090133881 | HEAVE MOTION COMPENSATION A heave motion compensator (30, 40, 70, 100, 140, 300) for compensating heave motions comprises a cylinder (41) and a piston (44) delimiting a variable volume fluid chamber (49) in said cylinder (41), wherein said piston (44) ca... | 05/28/2009 |
| 20090057011 | DRILLING DEVICE The present embodiments relate to systems for building and/or handling a tubular string of a drilling device. The drilling device comprises a drill floor and a drilling derrick extending from the drill floor. The drill floor has an extension in a first plane (P1)... | 03/05/2009 |
| 20090032301 | RETURN LINE MOUNTED PUMP FOR RISERLESS MUD RETURN SYSTEM Systems and methods for drilling a well bore in a subsea formation from an offshore structure positioned on a water surface with a drill string that is suspended from the structure and includes a bottom hole assembly adapted to form a top hole portion of the well bore. ... | 02/05/2009 |
| 20090014213 | Separation Device for Material from a Power Tong on a Drilling Rig Situated on the Sea Bed A drilling rig device (1) situated on the seabed (11), where the drilling rig (1) is sealingly enclosed against the surroundings, wherein the pipe (23) coupling unit (24) of the drilling rig (1) is closed, provided with seals (<... | 01/15/2009 |
| 20080296062 | 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 well bore, and a drilling fluid source for supplying drilling fluid through ... | 12/04/2008 |
| 20080210466 | 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 therein as the sole means for inducing movement of said contaminated drill cu... | 09/04/2008 |
| 20080179090 | 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 operating at least one vessel in the container system in at least two of a sl... | 07/31/2008 |
| 20080121429 | Subsea Drilling A method and apparatus for drilling subsea wells is provided. A subsea shut off device including ball gripping mechanisms is latched to a template at surface. Drilled in casing can be suspended from the device at any position using the gripping mechanism so that the dev... | 05/29/2008 |
| 20080115971 | Remote Gas Monitoring Apparatus for Sealed Drilling Gas monitoring apparatus associated with a remotely operated seabed system, the apparatus including a detector which is adapted so as to enable detection and/or measurement in real time the interception of shallow gas in a bore hole. In one form the gas monitoring appar... | 05/22/2008 |
| 20080110673 | APPARATUS AND METHODS FOR DRILLING A WELLBORE USING CASING Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft op... | 05/15/2008 |
| 20080105462 | Rotating Control Device Apparatus and Method A riser assembly includes a rotating control housing connected between an upper portion and a lower portion of a riser assembly, and a packing element rotatable with respect to the rotating control housing, wherein the packing element is configured to isolate an annulus... | 05/08/2008 |
| 20080000685 | 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 positioned between a first position within one of said drilling centers and a seco... | 01/03/2008 |
| 20070251725 | 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 opposed sides of a moon pool in one embodiment of the present invention. T... | 11/01/2007 |
