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| Application No. | Application Title | Issue Date |
| 20120125611 | WATER INJECTION SYSTEMS AND METHODS There is disclosed a system comprising a well drilled into an underground formation comprising hydrocarbons; a production facility at a topside of the well; a water production facility connected to the production facility; wherein the water production facility produces ... | 05/24/2012 |
| 20120048565 | TORQUE TRIPPING MECHANISM FOR A VALVE A torque limiter for use in an actuating drive stem of a subsea wellhead having a collar with an axial bore and a slot through its side. The slot includes a projection directed towards a lower end of the collar and has an edge oriented oblique to the collar axis. A driv... | 03/01/2012 |
| 20120012331 | METHOD FOR DISCONNECTING A DEVICE FOR TRANSFERRING FLUID BETWEEN THE BOTTOM OF AN EXPANSE OF WATER AND THE SURFACE, AND ASSOCIATED TRANSFER DEVICE A device including a fluid transport pipe (24), a superstructure (16), and a floating barge (18) rotatably mounted on the superstructure (16) about an axis of rotation (A-A′). The pipe (24) includes a hose section (150) wound ... | 01/19/2012 |
| 20110315391 | ARCUATE CONTROL LINE ENCAPSULATION Control lines on the outer surface of a tubular disposed within a drilling riser casing may be encapsulated to facilitate formation of a seal in an annular space defined by an inner surface of the drilling riser casing and an outer surface of the tubular. More specifica... | 12/29/2011 |
| 20110308807 | USE OF WIRED TUBULARS FOR COMMUNICATIONS/POWER IN AN IN-RISER APPLICATION A method for controlling a subsea valve assembly includes connecting a subsea riser between a wellhead and a surface vessel. An in-riser control unit is attached to a wired pipe string and disposed within the subsea riser, resulting in the in-riser control unit being de... | 12/22/2011 |
| 20110297386 | SYSTEM AND METHOD FOR CONTROLLING A BLOWOUT LOCATION AT AN OFFSHORE OILFIELD A system for controlling a blowout location at an offshore oilfield comprises:
| 12/08/2011 |
| 20110290494 | METHOD FOR CIRCULATING A FLUID ENTRY OUT OF A SUBSURFACE WELLBORE WITHOUT SHUTTING IN THE WELLBORE A method for removing a fluid influx from a subsea wellbore drilled using a pump to return fluid from the wellbore to the surface. The method includes detecting the influx when a rate of the return pump increases. Flow from the wellbore is diverted from the return pump ... | 12/01/2011 |
| 20110290499 | DEEPWATER COMPLETION INSTALLATION AND INTERVENTION SYSTEM Methods and apparatus for installing deepwater completions and performing well intervention from a vessel that can perform other duties while not running completions or performing interventions. The system for installing deepwater completions and performing well interve... | 12/01/2011 |
| 20110290495 | METHOD AND APPARATUS TO CONROL FLUID FLOW FROM SUBSEA WELLS The present invention is directed to methods and apparatus to construct subsea wells with redundant parallel fluid flow control systems to allow new methods to stop subsea blow outs. More specifically, this invention provides methods and apparatus to construct subsea we... | 12/01/2011 |
| 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 |
| 20110247825 | SYSTEM AND METHOD FOR SUBSEA POWER DISTRIBUTION NETWORK An integrated power distribution system utilizes a subsea power distribution hub that receives high voltage electricity through an umbilical from a host surface facility. The subsea power distribution hub steps down the high voltage electricity and distributes the appro... | 10/13/2011 |
| 20110240308 | Guide Frame for Riser Tower Disclosed herein is a guide frame (10) for location at one or more points along the length of a riser tower structure (112,114). The riser tower structure is of a type that has an upper end supported at a depth below the sea surface and has a central core ... | 10/06/2011 |
| 20110232912 | SYSTEM AND METHOD FOR HYDRAULICALLY POWERING A SEAFLOOR PUMP FOR DELIVERING PRODUCED FLUID FROM A SUBSEA WELL A system and method for hydraulically powering a seafloor pump and thereby delivering produced fluid from a subsea well are provided. The system includes a power fluid source, such as a seawater source, which is located at a seasurface location of a sea, and a hydraulic... | 09/29/2011 |
| 20110203802 | PRESSURE CONTROL DEVICE WITH REMOTE ORIENTATION RELATIVE TO A RIG A method of maintaining a substantially fixed orientation of a pressure control device relative to a movable rig can include rotating a body of the pressure control device while the rig rotates. A method of remotely controlling an orientation of a pressure control devic... | 08/25/2011 |
| 20110176874 | Coiled Tubing Compensation System A tubing sheave apparatus is disclosed. A circular member has a grooved circumference. A hub is coupled to the circular member via one or more radial support members. The circular member and the hub have a rotational axis. A roller is disposed near the grooved circumfer... | 07/21/2011 |
| 20110168402 | OFFSHORE UNIT AND METHOD OF INSTALLING WELLHEAD PLATFORM USING THE OFFSHORE UNIT An offshore unit includes a hull and/or a deck frame, a mat attached to at least one connecting leg or a spud can attached to each of at least one connecting leg or lower hull attached to at least one connecting means. A wellhead deck is removably attached to the hull a... | 07/14/2011 |
| 20110036587 | METHOD AND SYSTEM FOR RISERLESS CASING SEAT OPTIMIZATION A system and method for optimal placement of a riserless casing in a subsea drilling environment having the steps of: receiving input of pore pressure data for a well site; receiving input of fracture gradient for said well site; receiving input of the anticipated true ... | 02/17/2011 |
| 20110030966 | UNIVERSAL METHOD AND APPARATUS FOR DEPLOYING FLYING LEADS In one embodiment, the subsea deployment system may be used to install flying leads with integral buoyancy. In another embodiment, the subsea deployment system may be used to install flying leads with separate buoyancy modules. The installation sling assembly may be use... | 02/10/2011 |
| 20100307759 | SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS A system for producing oil and/or gas from an underground formation comprising a first array of wells dispersed above the formation; a second array of wells dispersed above the formation; wherein the first array of wells comprises a mechanism to inject a miscible enhanc... | 12/09/2010 |
| 20100294503 | Subsea Cementing Plug System With Plug Launching Tool A subsea cementing system that includes a first wiper plug having a central bore releasably connected to a launching mandrel, and a second wiper plug having a central bore releasably connected to the first wiper plug. The system includes a first dart that is adapted to ... | 11/25/2010 |
| 20100238762 | Method and Apparatus For Evaluating Submarine Formations A method and apparatus for evaluating submarine formations, such as geological formations located generally under a body of water. Multiple hydrofoils (130), responding to moving water, hydrodynamic, or Bernoulli forces, provide controllable orientation and separ... | 09/23/2010 |
| 20100206573 | METHOD AND APPARATUS FOR COOLING A GASEOUS HYDROCARBON STREAM A method of cooling a gaseous hydrocarbon stream (10) such as natural gas comprising at least the steps of: (a) sourcing the gaseous hydrocarbon stream (10) in an underwater pipeline (12) to a hydrocarbon facility at sea (18); (b) cooling the... | 08/19/2010 |
| 20100193194 | Method For Managing Hydrates In Subsea Production Line A method for managing hydrates in a subsea production system is provided. The production system includes a host production facility, a control umbilical, at least one subsea production well, and a single production line. The method generally comprises producing hydrocar... | 08/05/2010 |
| 20100175882 | Subsea Internal Riser Rotating Control Device System and Method 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 RCD seal assembly seal could be a mechanically extrudable seal or a hydr... | 07/15/2010 |
| 20100175883 | UNDERSEA WELL PRODUCT TRANSPORT An apparatus and corresponding method of use extracts, cools, and transports effluents from subterranean, sub-sea oil formations to distant shore based processing facilities. The effluents, mostly crude oil, are conveyed rapidly to a cold flow generator near the oil wel... | 07/15/2010 |
| 20100163242 | "Removing Air Wave Noise From Electromagnetic Survey Data" Method for removing air wave noise from shallow water controlled source electromagnetic survey data, using only the measured data and conductivity values for sea water (140) and air. The method is a calculation performed numerically on CSEM data and resulting in ... | 07/01/2010 |
| 20100155072 | Rechargeable Subsea Force Generating Device and Method Method and device to be used for resetting a pressure in a low pressure recipient connected to a subsea pressure control device. The device includes the low pressure recipient configured to have first and second chambers separated by a first piston; a reset recipient co... | 06/24/2010 |
| 20100155071 | Subsea Force Generating Device and Method Method and water submerged device for generating a force under water. The device includes a low pressure recipient configured to contain a volume of a first fluid at a low pressure volume, an inlet connected to the low pressure recipient and configured to exchange a sec... | 06/24/2010 |
| 20100147530 | BELLOWS TYPE ADJUSTABLE CASING A tieback connection between an offshore production platform and a wellhead on the sea floor has a riser and a tubular expandable and contractable member within the riser. The expandable and contractable member compensates for axial movement within the riser while maint... | 06/17/2010 |
| 20100139924 | Method and apparatus for removing plugs from subsea equipment through the use of exothermic reacting chemicals A method of servicing subsea equipment comprising positioning a reaction chamber about the subsea equipment having a plug therein, wherein positioning the reaction chamber substantially isolates an area about the subsea equipment from an environment external to the reac... | 06/10/2010 |
| 20100116505 | Control Package Container Embodiments described herein comprise an apparatus and method for transporting a control package for a lower marine riser package (LMRP) to an offshore platform. The apparatus may include a lifting cage and a base. The lifting cage may be configured to lock to the base.... | 05/13/2010 |
| 20100108321 | APPARATUS FOR VENTING AN ANNULAR SPACE BETWEEN A LINER AND A PIPELINE OF A SUBSEA RISER An apparatus for venting an annular space between a liner and a pipeline of a subsea riser used for conveying hydrocarbons, the apparatus comprising a permeate recovery device for recovering permeate passing through the liner into the annular space. The permeate recover... | 05/06/2010 |
| 20100101800 | Subsea Completion with a Wellhead Annulus Access Adapter A subsea completion assembly for a subsea well including installed casing and a wellhead. The assembly includes a production casing forming a B annulus between the outside of the production casing and the installed casing. The assembly also includes an annulus access ad... | 04/29/2010 |
| 20100059221 | SUBSEA FLUID SAMPLING AND ANALYSIS Subsea apparatus and a method for sampling and analysing fluid from a subsea fluid flowline proximate a subsea well is provided, wherein the apparatus comprises at least one housing located in close proximity to said subsea fluid flowline; at least one fluid sampling de... | 03/11/2010 |
| 20100032163 | PURGE SYSTEM A purge system for use with a well intervention system and apparatus is disclosed. The purge system permits well fluids contained in a subsea intervention system to be purged prior to retrieval of the intervention system to the surface. The system comprises a vessel ( 02/11/2010 | |
| 20100012325 | SYSTEM AND METHOD FOR SUB-COOLING HYDROCARBON PRODUCTION FLUID FOR TRANSPORT A technique is provided for producing a slurry of solid particulates and hydrocarbon production fluid for transport via a subsea flow line. The technique utilizes a cold flow system that cools production fluid to a temperature below the temperature at which hydrates and... | 01/21/2010 |
| 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 |
| 20100006291 | METHOD OF COOLING A MULTIPHASE WELL EFFLUENT STREAM A method of cooling a multiphase well effluent stream comprises: separating the multiphase well effluent stream (G+L) into gas enriched and liquid enriched fractions in a gas liquid separator (2, 22); cooling the liquid enriched fraction in a heat exchanger (6... | 01/14/2010 |
| 20090321079 | POWER LINE COMMUNICATION SYSTEM A hydrocarbon production installation comprising a surface station and an underwater hydrocarbon extraction facility, the surface station and extraction facility being electrically linked via an umbilical cable, the installation further comprising means for transmitting... | 12/31/2009 |
| 20090283273 | WELL CONSTRUCTION AND COMPLETION A well sealing system includes a tailipipe set in a wellbore casing, the annular space between the tailpipe and the casing being sealed by a packer comprising at least two annular seals, and the internal diameter of the tailpipe being sealed by at least two internal sea... | 11/19/2009 |
