Matches 1 - 39 out of 39


Match Document Document Title
US20140299328 SUBSEA WELLHEAD ASSEMBLY, A SUBSEA INSTALLATION USING SAID WELLHEAD ASSEMBLY, AND A METHOD FOR COMPLETING A WELLHEAD ASSEMBLY  
A subsea wellhead assembly comprising a casing housing and a casing extending down inside the well, and a tubing hanger. The tubing hanger comprises first and second valves, each valve being a...
US20060118309 Seabed installation apparatus  
A seabed installation apparatus comprising a soil penetration means (2), a deployment line (4) from which the soil penetration means is suspended, a mooring line (6) attached to the soil...
US20130008664 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...
US20130206423 SYSTEMS AND METHODS FOR MANAGING PRESSURE IN A WELLBORE  
A method for drilling a subsea well from a rig through a subsea wellhead below the rig includes employing a single gradient or dual gradient drilling system that includes a drill string that...
US20090200036 Method for Subsea Hydrocarbon Recovery  
The invention relates to a method for subsea hydrocarbon recovery in which a wellbore is drilled using a base installed on the seabed, said base comprising a drilling guide, in which at least one...
US20060054328 Process of installing compliant offshore platforms for the production of hydrocarbons  
To produce hydrocarbons from an offshore production site, a well is drilled into hydrocarbon bearing strata from a non-permanent floating vessel and is then capped. Keying off a template...
US20070246221 DISPERSIVE RISERLESS DRILLING FLUID  
A method for drilling riserless that includes providing a drilling fluid to a drilling assembly for drilling a borehole on a seafloor, the drilling assembly comprising a drill string and a...
US20110155386 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...
US20120234551 System and Method For Drilling A Well That Extends For A Large Horizontal Distance  
Method and apparatus for extending the horizontal distance through which wells can be drilled. A horizontal tubular is used to convey a drillstring from a drilling rig toward a target location and...
US20090200037 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...
US20070095540 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...
US20140096974 Mobile, Modular, Electrically Powered System For Use in Fracturing Underground Formations Using Liquid Petroleum Gas  
The present invention provides a method and system for providing on-site electrical power to a fracturing operation, and an electrically powered fracturing system. Natural gas can be used to drive...
US20100147526 METHOD AND A DEVICE FOR INTERVENTION IN AN UNDERWATER PRODUCTION WELL  
A method for intervention in an underwater production well, in which the well head (1) of the production well is located on the seabed (2), and wherein a drilling rig (26), which comprises at...
US20060231262 Method and device for the removing subsea rocks and sediments  
Method and device for subsea removal of cuttings from a borehole by means of ejector (5), pump (3) and suction hose (6), the ejector (5) being powered by a pump (3) that is rigidly attached to ROV...
US20070163782 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...
US20130292128 Subsea Production System Having Arctic Production Tower  
A subsea production system for conducting hydrocarbon recovery operations in a marine environment, including a trussed tower having a first end including a base residing proximate the seabed and a...
US20130043036 RISER SYSTEM  
A riser system for coupling a surface platform to a wellhead. The riser system includes a main tube, flanges and one or more tie rods. The main tube forms an annulus for fluid flow between the...
US20050199423 High frequency pressure compensator  
A downhole pressure compensation system includes a seal housing disposed in a downhole tool, a dynamic seal disposed on the seal housing, wherein the dynamic seal seals around a part that is...
US20150083432 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...
US20120055678 DUAL ACTIVITY 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...
US20130175044 RETRIEVABLE SUBSEA DEVICE AND METHOD  
A protective device for a blow out preventer stack (B.O.P.), and a sidetracking method using same during an oil-field milling or drilling operation requiring a window to be formed in casing (14)...
US20120255736 OFFSHORE TOP TENSIONED RISER BUOYANCY CAN SYSTEM AND METHODS OF FIELD DEVELOPMENT  
A method for developing an offshore field comprises (a) coupling a plurality of top-tensioned risers to a first vessel at a first location. In addition, the method comprises (b) decoupling the...
US20150204146 ROTATING CONTROL DEVICE HAVING JUMPER FOR RISER AUXILIARY LINE  
A rotating control device housing includes an upper riser flange; a lower riser flange; a latch section for receiving a bearing assembly and connected to the upper riser flange; a port section...
US20120273218 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...
US20120055677 ROTATING FLOW CONTROL DIVERTER WITH RISER PIPE ADAPTER  
The present invention is directed a rotating flow control diverter having a riser adapter. The riser adapter allows the rotating flow control diverter to be positioned in a riser string below the...
US20120217017 LASER ASSISTED SYSTEM FOR CONTROLLING DEEP WATER DRILLING EMERGENCY SITUATIONS  
There is provided a high power laser riser blowout preventer system and controller for operation thereof. The system utilizes high power laser cutters that are associated with the riser and the...
US20120318519 APPARATUS AND METHOD FOR CONNECTING FLUID LINES  
An apparatus and method for controlling fluid flow in a blowout preventer. In one embodiment, an apparatus for connecting fluid lines includes a socket fluid connector and a plug fluid connector....
US20130255956 Seal Sub System  
A seal sub system for the connection of fluid lines, including first and second fluid lines, each including a terminal end with an inner diameter. A seal sub includes an inner channel and first...
US20150184461 SUBSEA DRILLING WITH CASING  
A method of forming a wellbore includes providing a drilling assembly comprising one or more lengths of casing and an axially retracting assembly having a first tubular; a second tubular at least...
US20120243945 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...
US20140090855 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...
US20110114328 DOWNHOLE 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...
US20110005769 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...
US20160047187 WELLBORE DRILLING USING DUAL DRILL STRING  
A method and apparatus are disclosed for drilling a wellbore using a concentric dual drill string. Multiple individually selectively isolable crossover ports intervaled may be provided along the...
US20150315860 OFFSHORE DRILLING INSTALLATION AND METHOD FOR OFFSHORE DRILLING  
Offshore drilling installation comprising a platform selected from the group comprising a vessel, a pontoon, a jack-up, and further comprising a drill string drivingly connected with said platform...
US20130264065 ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD  
What is provided is a method and apparatus wherein a rotating and reciprocating swivel of adjustable stroke length and shearable by ram blow out preventers can be detachably connected to an...
US20130175043 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...
US20130105169 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...
US20120217015 LASER ASSISTED RISER DISCONNECT AND METHOD OF USE  
There is provided a high power laser-riser blowout preventer package and laser module for use with a subsea riser. The laser module and laser-riser package use high power laser energy to quickly...

Matches 1 - 39 out of 39