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Class Information
Number: 166/339
Name: Wells > Submerged well > Connection or disconnection of submerged members remotely controlled > With provision for removal or repositioning of member without removal of other well structure
Description: Process, apparatus, or device including a well peculiarly designed to enable detachment of a well element without corresponding disturbance of other well structure, or including a step of, or means for, manipulating such well element.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8689881 Offshore unit and method of installing wellhead platform using the offshore unit Apr. 8, 2014
8668017 Variable buoyancy subsea running tool Mar. 11, 2014
8644592 Method and system for determining the position of a fluid discharge in an underwater environment Feb. 4, 2014
8616286 Riser pipe with adjustable auxiliary lines Dec. 31, 2013
8616287 Apparatus for improving well safety and recovery and installation process thereof Dec. 31, 2013
8579033 Rotating and reciprocating swivel apparatus and method with threaded end caps Nov. 12, 2013
8561705 Lead impression wear bushing Oct. 22, 2013
8561706 Riser pipe with rigid auxiliary lines and offset connectors Oct. 22, 2013
8555979 Blowout preventer with a bernoulli effect suck-down valve Oct. 15, 2013
8550167 Remote operated vehicle interface with overtorque protection Oct. 8, 2013
8534363 Methods and devices for restoring control and resuming production at an offshore oil well following an uncontrolled fluid release after an explosion Sep. 17, 2013
8522880 Floating offshore structure for hydrocarbon production Sep. 3, 2013
8511385 Well apparatus Aug. 20, 2013
8511387 Made-up flange locking cap Aug. 20, 2013
8485262 Modular, stackable wellhead system Jul. 16, 2013
8474540 Riser section connector with flanges, internal locking ring and external locking collar Jul. 2, 2013
8474538 Hydraulically actuated safety lock ring Jul. 2, 2013
8474536 Method and alignment system for killing an uncontrolled oil-gas fountain at an offshore oil platform using a telescopic rod assembly Jul. 2, 2013
8469101 Method and apparatus for flow assurance management in subsea single production flowline Jun. 25, 2013
8448709 Method of killing an uncontrolled oil-gas fountain appeared after an explosion of an offshore oil platform May. 28, 2013
8443895 Travel joint having an infinite slot mechanism for space out operations in a wellbore May. 21, 2013
8418765 Combined piloting method of remote operated underwater vehicles, device for its implementation and system using the same Apr. 16, 2013
8418767 Blowout preventer with a Bernoulli effect suck-down valve Apr. 16, 2013
8413723 Methods of using enhanced wellbore electrical cables Apr. 9, 2013
8403058 Offshore unit and method of installing wellhead platform using the offshore unit Mar. 26, 2013
8403055 Self sealing hydraulic coupler Mar. 26, 2013
8403053 Circuit functional test system and method Mar. 26, 2013
8387701 Intervention system dynamic seal and compliant guide Mar. 5, 2013
8387702 Multicoupler Mar. 5, 2013
8387706 Negative accumulator for BOP shear rams Mar. 5, 2013
8381819 Rotation mechanism Feb. 26, 2013
8376049 Running tool for deep water Feb. 19, 2013
8360155 Equalizer stopple fitting with integral pressure equalization fitting Jan. 29, 2013
8333243 Tensioner anti-rotation device Dec. 18, 2012
8327941 Flow control device and method for a downhole oil-water separator Dec. 11, 2012
8322441 Open water recoverable drilling protector Dec. 4, 2012
8322434 Vertical annular separation and pumping system with outer annulus liquid discharge arrangement Dec. 4, 2012
8322433 Wired slip joint Dec. 4, 2012
8316945 Downhole swivel apparatus and method Nov. 27, 2012
8297359 Subsea well intervention systems and methods Oct. 30, 2012
8276671 Bridging hanger and seal running tool Oct. 2, 2012
8215679 Subsea choke insert locking apparatus Jul. 10, 2012
8205678 Blowout preventer with a Bernoulli effect suck-down valve Jun. 26, 2012
8186441 Modular backup fluid supply system May. 29, 2012
8162061 Subsea inflatable bridge plug inflation system Apr. 24, 2012
8127853 Internal tieback for subsea well Mar. 6, 2012
8127854 System and method for rigging up well workover equipment Mar. 6, 2012
8113287 Self sealing hydraulic coupler Feb. 14, 2012
8100182 Loose tube flying lead assembly Jan. 24, 2012
8096364 Umbilical deployment system Jan. 17, 2012

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