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| Number | Title | Issue Date |
| 7422066 | System for direct vertical connection between contiguous subsea equipment and method of installation of said connection A system for the direct vertical connection between contiguous sub sea equipment is described, having one or more hydrocarbon flow and/or control interconnection between same, so as to dispense with the use of connecting jumpers. One mode of said system comprises a ... | 09/09/2008 |
| 7360601 | Submersible well pump installation procedure A method of installing an electrical pump assembly in a subsea wellhead member avoids having to run the pump assembly through the wellhead member after removing the wear bushing. The operator first lowers the pump assembly on a string of tubing at least through the ... | 04/22/2008 |
| 7314084 | Subsea pumping module system and installation method The present invention contemplates a system comprising a pumping module coupled to an intermediate flow inlet (IFI) wherein said IFI is coupled to a base structure disposed on the flow line that routes production from one or more oil wells, allowing for the quick an... | 01/01/2008 |
| 7210531 | Protective element for a riser segment A protective element for a riser segment, including an elongated buffer body, at least one foot connected with the buffer body, the at least one foot being provided with an engagement part arranged to engage on a main pipe of a riser segment, the distance between th... | 05/01/2007 |
| 7156039 | Keel guide system A technique for guiding a riser in an offshore environment. The technique utilizes a keel guide that permits the passage of connectors or other components therethrough. A bushing is mounted within the keel guide to guide the relative linear motion of the riser assem... | 01/02/2007 |
| 7032673 | Orientation system for a subsea well An outer wellhead housing has an external locator member initially oriented in a desired direction. An inner wellhead housing lands in the outer wellhead housing. A BOP orientation spool with an external orientation member and an internal orientation member lands on... | 04/25/2006 |
| 6834724 | System for accessing oil wells with compliant guide and coiled tubing The disclosure describes a spoolable compliant guide, a system including a spoolable compliant guide and injector and methods for using the compliant guide, where the guide is designed to connect at one end to the injector and at its other end to a remote installati... | 12/28/2004 |
| 6832874 | Modular seabed processing system To install a modular seabed processing system (1) on a seabed, a monopile foundation (3) is first lowered down and driven into the seabed. A docking unit (4) is lowered towards the installed foundation (3) so that a mating clamp system ( | 12/21/2004 |
| 6766861 | Stackable guide funnel system and method A subsea production system and method includes a wellhead field having multiple wellheads and utilizes a stackable guide funnel system for sequential tying back of those wellheads. A storage frame retains several guide funnels that are nestably stacked one upon the ... | 07/27/2004 |
| 6695542 | Riser guide A riser guide is for use on a floating offshore platform, the platform comprises a topsides and a substructure having a lower pontoon, and at least one riser extends from a subsea location to the topsides. A number of riser guides are located in a guide h... | 02/24/2004 |
| 6691775 | System for accessing oil wells with compliant guide and coiled tubing The disclosure describes a spoolable compliant guide, a system including a spoolable compliant guide and injector and methods for using the compliant guide, where the guide is designed to connect at one end to the injector and at its other end to a remote... | 02/17/2004 |
| 6644409 | Riser guide system A riser guide system is for use on a floating offshore platform, the platform having a topside and a substructure having a lower pontoon, and at least one riser extends from a subsea location to the topsides. A permanent guide is secured to the pontoon, a... | 11/11/2003 |
| 6615921 | Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead A drill bit guide is mounted in a wellhead in place of a wear bushing. The bit guide is capable of guiding strings and tools through the wellhead without damage to the wellhead or string while drilling. In one version of the bit guide, a pair of linear ac... | 09/09/2003 |
| 6612369 | Umbilical termination assembly and launching system The invention is a subsea umbilical termination assembly (UTA) for use with a launch system mounted on a vessel, wherein the UTA involves a lift point, a guide surrounding a connector attached to the lift point, a housing with a mandrel for engaging the c... | 09/02/2003 |
| 6394186 | Apparatus for remote adjustment of drill string centering to prevent damage to wellhead A drill bit guide is mounted in a wellhead in place of a wear bushing. The bit guide is capable of guiding strings and tools through the wellhead without damage to the wellhead or string while drilling. In one version of the bit guide, a pair of linear ac... | 05/28/2002 |
| 6336508 | Subsea, releasable bop funnel The invention is a device for eliminating the "tripping" of the BOP stack to the surface when switching between drilling and completion modes of operation on a drilling rig. This device is a new apparatus for attaching a BOP guide funnel, which will allow... | 01/08/2002 |
| 6227765 | Pipeline device, a tool for the guide-in of a pipeline end and a method for the pull-in of a pipeline end A pipeline (23) device, comprising at least one end for connection to a connection site, e.g., on another pipeline (22), on the seabed. A sleeve, movable in the longitudinal direction of the pipeline (23), is arranged at the end of the pipeline (23). A pu... | 05/08/2001 |
| 6142235 | Bottom-supported guidance device for alignment of multiple wellbores in a single conductor Two or more opposing and outward facing profiles are fabricated and joined to each other along their outer edges, forming a section of a guide string. The sections of the guide string are secured together in an assembly and lowered into a single conductor... | 11/07/2000 |
| 6012529 | Downhole guide member for multiple casing strings A downhole casing guide member comprising a structure having a unitary formation wherein in a plane perpendicular to a center longitudinal axis of the structure, the unitary formation is generally "Y" shaped in two opposite directions about the center lon... | 01/11/2000 |
| 5918675 | Close proximity wellheads A guidance system comprising two guide tubes is lowered into a well with a conductor. The guide tubes are connected together by partitions which are about 100 feet apart and divide the conductor into two halves. Each partition comprises two symmetrically ... | 07/06/1999 |
| 5868203 | Apparatus and method for subsea connections of trees to subsea wellheads A method and apparatus utilizing a tree running tool (120) for guiding a conventional or horizontal tree (150) for the purpose of connection to a subsea wellhead or wellhead system (110) without the use of guidelines or guide funnels as shown in the embod... | 02/09/1999 |
| 5860477 | Underwater oil field apparatus A latching mechanism for a sub-sea control module is constructed with energy storing means such that a latch is cooked into an unlatched condition by the action of lifting the sub-sea control module to store energy in the energy storing means and is moved... | 01/19/1999 |
| 5810086 | Single riser with two wellheads A guidance system comprising two guide tubes are lowered into a well with a conductor. The guide tubes are connected together by partitions which divide the conductor into two halves. Each partition comprises two symmetrical half sections facing in opposi... | 09/22/1998 |
| 5722796 | Hinge-over subsea template production system A subsea system comprises a central template that is piled into the seabed and carried wing modules that are connected to the template by hinges. This allows the template to be deployed and the wing modules attached subsequently or for the wing modules to... | 03/03/1998 |
| 5722494 | Stacked template support structure One or more bracing structures are placed at an underwater mud line location. The bracing structure(s) are first used as a template to guide the offshore drilling and placement of well tubulars. After drilling through the template is completed, at least o... | 03/03/1998 |
| 5687793 | Apparatus for use in lowering a well pipe into alignment with a subsea conduit Apparatus is disclosed for use in lowering an object such as a well pipe through a guide tube suspended from the water surface and onto an upstanding subsea conduit beneath the lower end of the guide tube.... | 11/18/1997 |
| 5560435 | Method and apparatus for drilling multiple offshore wells from within a single conductor string A method and apparatus are provided for drilling multiple offshore wells from a single conductor casing string. A guide member is provided for securing to a standard casing string, and running downhole and setting within a lower section of the conductor s... | 10/01/1996 |
| 5560436 | Single drilling guide base for subsea oil wells A single drilling guide base for subsea oil wells includes two parts, namely a lower part (1) and an upper part (2), which are bolted together (at 7). The whole arrangement is provided with a seating indicator (5) connected to the lower part and holes in ... | 10/01/1996 |
| 5330007 | Template and process for drilling and completing multiple wells A template and process for drilling and completing multiple wells in a subterranean formation. A template having a plurality of axially extending, divergent bores therethrough is secured to surface or intermediate casing and a like plurality of subterrane... | 07/19/1994 |
| 5325714 | Steerable motor system with integrated formation evaluation logging capacity A steerable motor system with integrated formation evaluation logging capacity is presented. The device comprises a housing, a formation resistivity logging tool, a surface signaling device, a density logging tool, a porosity logging tool and a downhole m... | 07/05/1994 |
| 5316089 | Method and apparatus for drilling a subsea well A method of drilling a subsea well involves partial drilling of several wells within a cluster. A base such as a template will have a receptacle. A gimbal mounts to a latching mechanism which in turn releasably latches an outer wellhead housing. The latch... | 05/31/1994 |
| 5310006 | Satellite tree module and flow line structure for interconnection of a satellite well to a subsea production system A satellite tree module (STM) (10) for controlling flow between a satellite flow and a subsea production system includes at the bottom of the STM a connector (12) of an internal-latch, hydraulically operated type. A lower structure (14) consists of a cent... | 05/10/1994 |
| 5290126 | Antirotation device for subsea wellheads A subsea well assembly has an antirotation device to prevent rotation of an inner wellhead housing within an outer wellhead housing. A number of slots are formed in the upper rim of the outer wellhead housing. The slots have open upper ends. A number of p... | 03/01/1994 |
| 5246075 | Guide post latching mechanism Apparatus having removable posts for guiding subsea well equipment. The apparatus includes a frame for permanent attachment to a well installation. The frame includes outwardly extending legs with each of the legs for receiving an upstanding retrievable g... | 09/21/1993 |
| 5069287 | Retrievable guide base for subsea well A retrievable guide base and gimbal unit for a subsea well, and a tool for use with a pipe running to retrieve the guide base and gimbal from the subsea wellhead.... | 12/03/1991 |
| 5007769 | Method and device for attaching a removable guide post A guide base has at its corners, bolted on transition pieces, each having an outwardly projecting nose with a downwardly sloping bottom surface. A guide post connectable to the guide base has a cavity of a shape corresponding to the shape of the nose. Dur... | 04/16/1991 |
| 5005650 | Multi-purpose well head equipment A guide base for a sub-sea well is formed in two parts, an annular portion fixed to a conductor housing and a retrievable portion surrounding and releasably attached to the annular portion. The retrievable portion can be recovered and used elsewhere if a ... | 04/09/1991 |
| 4960174 | Equipment for oil well drilling and completing operations in deep water A system for oil well drilling and completing operations in deep water which allows an oil well drilled in deep water to start producing, the operations being conducted from a dynamically placed vessel, comprising: providing a permanent guide base (9) on ... | 10/02/1990 |
| 4927295 | Retrievable guide post system A retrievable guide post for installation in a subsea structure such as a template or a permanent guide base receptacle and for retrieval therefrom including a tubular body, a sleeve slidable axially on the lower exterior of the tubular body, a groove in ... | 05/22/1990 |
| 4877088 | Process and equipment for oil well drilling and completing operations in deep water A process for oil well drilling and completing operations in deep water which allows an oil well drilled in deep water to start producing, the operations being conducted from a dynamically placed vessel, comprising: providing a permanent guide base (9) on... | 10/31/1989 |
