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US20130092384 SUBSEA TREE SAFETY CONTROL SYSTEM  
An embodiment of a method for limiting the probability of failure on demand of a subsea test tree (“SSTT”) includes the steps of providing a safety shut-in system for actuating a safety valve of...
US20120292035 TUBING HANGER SETTING CONFIRMATION SYSTEM  
A subsea wellhead assembly provides a positive indication of landing of a wellhead member and locking of a wellhead member to a wellhead. The subsea wellhead assembly includes at least one...
US20130220625 SUBSEA ORIENTATION AND CONTROL SYSTEM  
A tool for subsea installation and testing of wellhead modules such as Xmas trees and similar equipment, from a ship using a ship crane. The tool includes a subsea unit that includes a connector...
US20140069656 Systems and methods for detecting leaks in subsea cement and wellbore equipment  
Methods and systems for detecting subsea cement returns, leaks in subsea cement, leaks in blowout preventer operating systems or other equipment or conduits, or the presence of sweep or spacer...
US20130292126 Methods Of Using Enhanced Wellbore Electrical Cables  
An embodiment of a method of deploying a cable into a wellbore penetrating a subterranean formation comprises providing a cable, wherein the cable comprises at least one insulated conductor, at...
US20130299176 HYBRID-TIEBACK SEAL ASSEMBLY  
A hybrid-tieback seal assembly and methods for tying a well back to the surface or subsea well head are disclosed. A method to tie a well back to the surface or subsea well head comprises running...
US20150260032 UMBILICAL BUCKLING TESTING  
Apparatus and methods related to umbilical buckling testing are described. For example, some embodiments may contain two damps, a plurality of test fittings, one or more pressure gages, a...
US20110253377 Testing Subsea Umbilicals  
An aspect encompasses a method of testing a subsea umbilical where a first portion of testing is performed on the subsea umbilical, the testing comprising hydraulic testing and at least one of...
US20140262306 Subsea Test Adaptor for Calibration of Subsea Multi-Phase Flow Meter During Initial Clean-Up and Test and Methods of Using Same  
Adapters for inclusion on the lower end of a completion/work-over riser includes a flow loop in fluid communication with a production flow loop hub and a production bore to facilitate testing and...
US20090260829 SUBSEA TREE SAFETY CONTROL SYSTEM  
An embodiment of a method for limiting the probability of failure on demand of a subsea test tree (“SSTT”) includes the steps of providing a safety shut-in system for actuating a safety valve of...
US20100051286 OPTICAL SENSING SYSTEM FOR WELLHEAD EQUIPMENT  
A system includes a Christmas tree assembly mounted to a hydrocarbon well, an optical feedthrough module, and a plurality of optical sensors. The optical feedthrough module is operable to...
US20090229830 SUBSEA WELL PRODUCTION SYSTEM  
A subsea completion testing tree (SCTT) for connection in a tubular string includes a lower tree portion having a control valve; an upper tree portion separably connected to the lower tree portion...
US20130161020 Apparatus and Method for Recovering Fluids from a Well and/or Injecting Fluids into a Well  
Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates...
US20120152555 Circuit Functional Test System and Method  
Method and deadman test circuit for testing a functionality of a shearing blowout preventer. The circuit includes a solenoid valve configured to be electrically controlled and to receive a fluid...
US20140209315 HYDRAULIC ACCUMULATORS  
A hydraulic accumulator assembly in which a hydraulic accumulator is associated with at least one responsive unit, which is responsive to the weight of the accumulator to provide an indication...
US20090277644 METHOD AND APPARATUS FOR CHRISTMAS TREE CONDITION MONITORING  
A method for monitoring a Christmas tree assembly installed on a subsea hydrocarbon well includes receiving a plurality of parameters associated with the Christmas tree assembly. A health metric...
US20130126179 Sampling Skid for Subsea Wells  
A system for sampling production well production fluids from a manifold interface panel on a subsea production manifold. In some embodiments, the system includes a remotely operated vehicle, a...
US20130118752 MANAGED PRESSURE CEMENTING  
A method of cementing a tubular string in a wellbore includes: deploying the tubular string into the wellbore; pumping cement slurry into the tubular string; launching a cementing plug after...
US20120111571 METHOD FOR SAMPLING AND ANALYSIS OF PRODUCTION FROM A SUBSEA WELL FOR MEASURING SALINITY OF PRODUCED WATER AND ALSO VOLUMETRIC RATIO BETWEEN LIQUID FRACTIONS  
The invention concerns a permanent subsea sampling and analysis system, which typically is integrated into a replaceable equipment module for a choke valve of a subsea production well. The...
US20110120720 Wellhead Test Tool and Method  
A method of pressure testing a lower marine riser package includes forming an inflatable packer having exposed slats and an inflatable packer element. The packer is positioned within the lower...
US20120294114 ACOUSTIC TELEMETRY OF SUBSEA MEASUREMENTS FROM AN OFFSHORE WELL  
Sensor and communications systems are disclosed for communicating measurements from subsea equipment, such as at an offshore well, to the surface. A sensor for a physical parameter, such as...
US20150053411 SYSTEM AND METHOD FOR TRACKING SENSORS, MARKERS, AND FLUID FLOWS  
A system and method for channeling fluids from underwater to the surface. Including a channel system for channeling the fluids from an oil leak through the channel system starting from an...
US20130092383 METHODS AND APPARATUS FOR SUBSEA WELL INTERVENTION AND SUBSEA WELLHEAD RETRIEVAL  
The present invention generally relates to methods and apparatus for subsea well intervention operations, including retrieval of a wellhead from a subsea well. In one aspect, a method of...
US20130175041 PRESSURE TOLERANT BATTERY  
A pressure tolerant battery that may be utilized in a subsea riser includes one or more lithium polymer cells enclosed in a pressure compensated housing. The pressure tolerant battery can be...
US20130133894 MARINE ISOLATION ASSEMBLY  
An isolation assembly that employs a pack-off device at an annular space between a landing string and a riser. The assembly is configured to ensure sealing off of an annular space below the...
US20130192841 DUAL GRADIENT MANAGED PRESSURE DRILLING  
A method of drilling a subsea wellbore includes drilling the wellbore by injecting drilling fluid through a tubular string extending into the wellbore from an offshore drilling unit (ODU) and...
US20080110633 Method of controlling landing strings in offshore operations  
A method and system of operating a landing string utilized on a floating platform. The landing string is disposed within a marine riser, with the marine riser being connected to a subsea...
US20130333894 SUBSEA ACTUATION SYSTEM  
A subsea drilling, production or processing actuation system comprising a variable speed electric motor (10) adapted to be supplied with a current, a reversible hydraulic pump (8, 28) driven by...
US20070199715 Subsea well intervention  
A method is provided for at least one of evaluating and intervening in a subsea well. In one embodiment, the method includes providing a pipeline connecting a platform to the subsea well; coupling...
US20120273211 SUBSEA SENSORS DISPLAY SYSTEM AND METHOD  
Method and subsea sensors display system configured to display data about a blowout preventer (BOP) stack. The subsea sensors display system includes a display panel having plural universal subsea...
US20090107682 Monitoring A Solenoid of A Directional Control Valve  
A method of monitoring a solenoid (1) of a directional control valve (DCV) associated with a subsea control module (6) in a subsea hydrocarbon production system is disclosed. A voltage is applied...
US20090288836 Apparatus and Methods for Subsea Control System Testing  
Apparatus and methods are described for subsea control system testing including one or more of electrical, optical and fluidic conduit testing, wherein the testing is conducted subsea using a...
US20140116715 SYSTEM AND METHOD FOR MONITORING A SUBSEA WELL  
A system for monitoring a subsea well is presented. The system includes the subsea well, where the subsea well includes a production tube, an annulus A co-axial to the production tube and...
US20130054034 METHOD, DEVICE AND SYSTEM FOR MONITORING SUBSEA COMPONENTS  
A system, device and method of monitoring components of a BOP of a subsea well. The method includes grouping, by the control device, two or more of a plurality of BOP components into a test group;...
US20150198001 BLOWOUT PREVENTER SYSTEM WITH THREE CONTROL PODS  
A blowout preventer system is provided. In one embodiment, such a system includes a blowout preventer stack including hydraulic components. The blowout preventer stack is coupled to a lower marine...
US20130168100 Apparatuses and Methods for Determining Wellbore Influx Condition Using Qualitative Indications  
Apparatuses and methods useable in drilling installations having a mud loop for detecting ongoing or imminent kick events are provided. An apparatus includes a first sensor configured to measure a...
US20130206418 METHOD AND SYSTEM FOR PERFORMING WELL OPERATIONS  
The present invention relates to a method for performing well operations from a floating installation comprising a high pressure riser (8) connected to the floating installation through a tension...
US20140082304 MONITORING A SUBSEA INSTALLATION  
There is disclosed a method of monitoring a subsea installation comprising: providing data storage means in a subsea control module and storing data resulting from the monitoring of equipment of...
US20130056218 RISERLESS SINGLE TRIP HANGER AND PACKOFF RUNNING TOOL  
A running tool for landing a tubular hanger in a subsea wellhead housing or the like, installing an annulus seal assembly into a sealing annulus between the tubular hanger and the wellhead...
US20100326664 Running Tool That Prevents Seal Test  
A running tool sets a casing hanger packoff and ensures that the packoff is not pressure tested unless the proper setting stroke was made by the running tool. The running tool has a stem, an inner...
US20140124210 Systems And Methods For Sensing A Fluid Level Within A Pipe  
A system, method and device may be used to monitor fluid levels in a drill pipe in borehole. The system includes an electromagnetic (EM) generator to generate a traveling wave of electromagnetic...
US20080105432 Apparatus for Subsea Intervention  
A subsea intervention system is disclosed comprising a floating vessel and a source of coiled tubing at the floating vessel. The system includes a seabed installation including a wellhead and...
US20100116504 CASING ANNULUS TESTER FOR DIAGNOSTICS AND TESTING OF A WELLBORE  
Embodiments of the present invention generally relate to a casing tester for plugging and abandoning a wellbore. In one embodiment, a method of testing an annulus defined between a first tubular...
US20130126180 MONITORING HYDROCARBON FLUID FLOW  
A method of monitoring a plurality of properties relating to a hydrocarbon fluid flow through a pipeline at a tree for a subsea hydrocarbon extraction facility, the method comprising locating a...
US20140246201 SCUTTLE FOR THE MONITORING AND INSPECTION OF A FLEXIBLE RISER  
The present invention relates to an apparatus for inspecting and monitoring flexible collection and production lines in real time, rendering possible constant tracking of the condition of the...
US20080223583 FREE STANDING RISER SYSTEM AND METHOD OF INSTALLING SAME  
A free standing riser system includes a riser, a subsea intervention unit, and an umbilical line. The riser includes interconnected joints linked to one another, a lower-end of the riser being...
US20120292036 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...
US20080236837 COMMUNICATING MEASUREMENT DATA FROM A WELL  
To communicate measurement data from a well, data corresponding to measurement data collected by multiple sensors in a well is transformed downhole and passed to an intermediate communications...
US20150211331 RETRIEVABLE FLOW MODULE UNIT  
A retrievable flow module (RFM) apparatus is provided. In one embodiment, the RFM apparatus is a standalone assembly configured to mate with a subsea device, such as a production tree. The RFM...
US20130269945 WIRELESS COMMUNICATION SYSTEM FOR MONITORING OF SUBSEA WELL CASING ANNULI  
A non-invasive wireless communication system for monitoring parameters existing within the casing annuli of a subsea hydrocarbon production system. The subsea hydrocarbon production system...
Matches 1 - 50 out of 95 1 2 >