135523 ⎘
Valve arrangements for boreholes or wells in well heads in underwater well heads
FLOW MODULE PLACEMENT BETWEEN A SUBSEA TREE AND A TUBING HANGER SPOOL
#302Subsea safety valve system
#303PRESSURE RELIEF VALVE
#304Offshore fluid transfer systems and methods
#305Connection system for subsea flow interface equipment
#306WEGHTED PRESSURE RELIEF VALVE
#307Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#308Instrumentation system for determining risk factors
#309PRESSURE REGULATOR WITH IMPROVED DEADBAND
#310Increased shear power for subsea BOP shear rams
#311Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#312Subsea retrievable insert with choke valve and non return valve
#313Wellhead tree pressure compensating device
#314Subsea pressure control system
#315Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#316Drive device
#317EMERGENCY CONTROL SYSTEM FOR SUBSEA BLOWOUT PREVENTER
#318Christmas tree with internally positioned flowmeter
#319Torque tripping mechanism for a valve
#320Acoustically controlled subsea latching and sealing system and method for an oilfield device
#321Subsea apparatus
#322Sub-sea chemical injection metering valve
#323Subsea well containment and intervention apparatus
#324Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#325System and method for regulating pressure within a well annulus
#326Tunable floating seal insert
#327Wellhead having an integrated safety valve and method of making same
#328Configurations and methods for improved subsea production control
#329System and method for managing heave pressure from a floating rig
#330Insertion of a pack-off into a wellhead
#331Subsea wellhead with segmented fatigue reduction sleeve
#332Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#333Method for modifying an existing subsea arranged oil production well, and a thus modified oil production well
#334Subsea wellhead providing controlled access to a casing annulus
#335Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#336Apparatus, system and method for releasing fluids from a subsea riser
#337Subsea differential-area accumulator
#338Sub sea hybrid valve actuator system and method
#339SUBSEA ASSEMBLY
#340Device for injection and stimulation of fluids in a well bore
#341Control mechanism for subsurface safety valve
#342Oil field system for through tubing rotary drilling
#343Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#344Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#345Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#346Mechanically operated hydraulic valve actuator
#347Gate valve rotary actuator
#348Subsea drilling with casing
#349Hydraulic control system
#350DIVERTER VALVE
#351Dual subsea production chokes for HPHT well production
#352Christmas tree with internally positioned flowmeter
#353Christmas tree with internally positioned flowmeter
#354Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#355Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#356Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#357Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#358Subsea electric actuator using linear motor
#359Subsea tree safety control system
#360Connection system for subsea flow interface equipment
#361Modular Actuator for Subsea Valves and Equipment, and Methods of Using Same
#362Christmas tree with internally positioned flowmeter
#363Subsea pressure accumulator systems
#364Locking device
#365Completion suspension valve system
#366Tubing hanger and wellhead housing with mating tubing annulus passages
#367Throttle device
#368Plug installation system for deep water subsea wells
#369Reverse flow flow trim for choke valve
#370Flow completion system
#371Hydraulic override
#372Mechanical override
#373Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
#374Linear hydraulic stepping actuator with fast close capabilities
#375Drive device
#376Hydraulic control system
#377Dual bore well jumper
#378Well production and multi-purpose intervention access hub
#379Apparatus and method for installation of subsea well completion systems
#380Tubing annulus plug valve
#381Throttle device
#382Pressure-compensated flow shut-off sleeve for wellhead and subsea well assembly including same
#383Subsea production systems
#384Tubing annulus valve
#385Pressure compensated shear seal solenoid valve
#386Choke valve with temperature transmitter
#387Subsea valve assembly with replaceable fixed orifice insert
#388Subsea well production flow system
#389Recovery of production fluids from an oil or gas well
#390Advanced welltracker deployment capsule for oil and gas wells
#391Modular control systems with umbilical deployment
#392Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time
#393Portable all-electric subsea drive module
#394Connection for a pressurized fluid flow path
#395Distibuted control system for well application
#396Subsea test adaptor for calibration of subsea multi-phase flow meter during initial well clean-up and test and methods of using same
#397Subsea tree and methods of using the same
#398Subsea diverter system for use with a blowout preventer
#399Safety relief valve system for use with subsea piping and process for preventing overpressures from affecting the subsea piping