NO343210B1 - Dybdekompensert passiv undervannskompensator mot sjøgang - Google Patents
Dybdekompensert passiv undervannskompensator mot sjøgangInfo
- Publication number
- NO343210B1 NO343210B1 NO20101557A NO20101557A NO343210B1 NO 343210 B1 NO343210 B1 NO 343210B1 NO 20101557 A NO20101557 A NO 20101557A NO 20101557 A NO20101557 A NO 20101557A NO 343210 B1 NO343210 B1 NO 343210B1
- Authority
- NO
- Norway
- Prior art keywords
- cylinder
- piston
- compensator
- sea
- depth compensated
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/061—Mono-tubular units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/52—Control devices automatic for varying rope or cable tension, e.g. when recovering craft from water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
- E21B19/004—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling supporting a riser from a drilling or production platform
- E21B19/006—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling supporting a riser from a drilling or production platform including heave compensators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/006—Compensation or avoidance of ambient pressure variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
- F16F9/28—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger with two parallel cylinders and with the two pistons or plungers connected together
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/205—Accumulator cushioning means using gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Damping Devices (AREA)
Abstract
En dybdekompensert passiv undervannskompensator mot sjøgang omfatter en første sylinder som ved sin øvre ende er koblet til et fartøy. Et stempelstang strekker seg fra et stempel som befinner seg inne i den første sylinderen gjennom den nedre enden av denne, og er koblet til undervannsutstyr. En andre sylinder inneholder en komprimert gass som opprettholder trykk under stempelet i den første sylinderen. Den øvre enden av den første sylinderen er koblet til den øvre enden av en tredje sylinder i hvilken det er anordnet et stempel. Et stempelstang som strekker seg fra stempelet i den tredje sylinderen rager gjennom den nedre enden av denne, og overfører med det sjøtrykket til stempelet i den tredje sylinderen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/099,593 US7934561B2 (en) | 2007-04-10 | 2008-04-08 | Depth compensated subsea passive heave compensator |
PCT/US2009/039908 WO2009126711A1 (en) | 2008-04-08 | 2009-04-08 | Depth compensated subsea passive heave compensator |
Publications (2)
Publication Number | Publication Date |
---|---|
NO20101557L NO20101557L (no) | 2010-12-03 |
NO343210B1 true NO343210B1 (no) | 2018-12-03 |
Family
ID=41162731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20101557A NO343210B1 (no) | 2008-04-08 | 2010-11-05 | Dybdekompensert passiv undervannskompensator mot sjøgang |
Country Status (8)
Country | Link |
---|---|
US (1) | US7934561B2 (no) |
AU (1) | AU2009233731B2 (no) |
BR (1) | BRPI0910909A2 (no) |
GB (1) | GB2471051C (no) |
MX (1) | MX2010011133A (no) |
MY (1) | MY158641A (no) |
NO (1) | NO343210B1 (no) |
WO (1) | WO2009126711A1 (no) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO336258B1 (no) * | 2007-09-19 | 2015-07-06 | Nat Oilwell Varco Norway As | Fremgangsmåte og anordning for løftkompensering. |
BRPI0916907A2 (pt) * | 2008-08-04 | 2019-09-24 | Cameron Int Corp | acumulador submarino de área diferencial |
US8157013B1 (en) * | 2010-12-08 | 2012-04-17 | Drilling Technological Innovations, LLC | Tensioner system with recoil controls |
DE102011009276A1 (de) * | 2011-01-25 | 2012-07-26 | Hydac Technology Gmbh | Vorrichtung zum Übertragen eines hydraulischen Arbeitsdruckes in einer Druckflüssigkeit zur Druckbetätigung hydraulischer Einrichtungen von Tiefseeanlagen |
US8517110B2 (en) | 2011-05-17 | 2013-08-27 | Drilling Technology Innovations, LLC | Ram tensioner system |
NO334005B1 (no) * | 2012-03-12 | 2013-11-11 | Depro As | Anordning for kompensasjon av bølgebevirkede avstandsvariasjoner på borestreng |
EP2831373A4 (en) * | 2012-03-30 | 2015-12-09 | Proserv Norge As | METHOD AND DEVICE FOR UNDERWATER SAMPLING |
US8864415B1 (en) * | 2012-07-09 | 2014-10-21 | The United States Of America As Represented By The Secretary Of The Navy | Buoyancy shifting apparatus for underwater plow |
US9834417B2 (en) | 2012-10-17 | 2017-12-05 | Fairfield Industries Incorporated | Payload control apparatus, method, and applications |
GB2503062B (en) * | 2013-02-07 | 2015-03-25 | Technip France | Passive heave compensator |
GB2503063B (en) | 2013-02-07 | 2015-06-10 | Technip France | Passive heave compensator |
US9440829B2 (en) | 2014-04-08 | 2016-09-13 | MHD Offshore Group SDN. BHD. | Adjusting damping properties of an in-line passive heave compensator |
DE102014105154A1 (de) * | 2014-04-11 | 2015-10-15 | Mhwirth Gmbh | Verfahren zur Positions- und/oder Bewegungserfassung eines Kolbens in einem Zylinder sowie Zylinderanordnung |
NO338250B1 (no) * | 2014-06-07 | 2016-08-08 | Safelink As | Anordning for kompensering av eksternt trykk på aktuatorer |
US9567814B2 (en) * | 2014-06-13 | 2017-02-14 | Cameron Sense AS | Hoisting systems with heave compensation |
US10081988B2 (en) | 2014-06-13 | 2018-09-25 | Cameron Sense AS | Heave compensation winches |
DE102014215313A1 (de) | 2014-08-04 | 2016-02-04 | Robert Bosch Gmbh | Seegangskompensationseinrichtung |
EP2982636B1 (en) | 2014-08-08 | 2018-04-04 | Ernst-B. Johansen AS | Subsea heave compensator |
EP2982637B1 (en) * | 2014-08-08 | 2018-04-04 | Ernst-B. Johansen AS | Method for reduction of lifting tension on a load |
EP2982638B1 (en) | 2014-08-08 | 2018-10-10 | Ernst-B. Johansen AS | Multi function heave compensator |
AU2014221196B2 (en) * | 2014-09-02 | 2016-07-07 | Icon Engineering Pty Ltd | Coiled tubing lift frame assembly and method of use thereof |
DE102015225936A1 (de) | 2015-01-14 | 2016-07-14 | Robert Bosch Gmbh | Einrichtung zum Heben, Senken oder Halten einer Last und Verfahren zur Ansteuerung einer derartigen Einrichtung |
US10407135B2 (en) | 2015-06-29 | 2019-09-10 | Pgs Geophysical As | Motion compensation for relative motion between an object connected to a vessel and an object in the water |
NO343568B1 (en) * | 2016-07-18 | 2019-04-08 | Safelink As | Depth compensated passive heave compensator |
NO343286B1 (en) * | 2016-02-22 | 2019-01-14 | Safelink As | Inline active subsea heave compensator |
EP3420176A4 (en) * | 2016-02-22 | 2019-10-30 | Safelink AS | MOBILE PILLING COMPENSATOR |
CA3013291A1 (en) | 2016-02-22 | 2017-08-31 | Safelink As | Mobile active heave compensator |
NO20161040A1 (en) * | 2016-06-21 | 2017-12-22 | Safelink As | Depth compensated inline active heave compensator |
US10174566B2 (en) * | 2016-03-02 | 2019-01-08 | Vetco Gray, LLC | Inverted pull-up riser tensioner |
NO20160672A1 (no) * | 2016-04-22 | 2017-08-14 | Tech Damper As | Subsea demperstag |
NO341441B1 (en) * | 2016-05-01 | 2017-11-13 | Safelink As | Depth compensated actuator |
NO346365B1 (en) * | 2016-07-07 | 2022-06-27 | Safelink As | Hydraulically depth compensated actuator |
AU2017262380B2 (en) * | 2016-05-08 | 2022-10-20 | Safelink As | Depth compensated actuator and use of same in association with a transportable heave compensator |
NO342817B1 (en) * | 2016-12-17 | 2018-08-13 | Safelink As | High pressure depth compensated actuator |
NO343533B1 (en) * | 2016-05-08 | 2019-04-01 | Safelink As | Hydraulic depth compensated actuator |
WO2017204662A1 (en) | 2016-05-27 | 2017-11-30 | Safelink As | Transportable inline heave compensator |
EP3269677B1 (en) | 2016-07-12 | 2019-12-18 | Ernst-B. Johansen AS | Heave compensator and method for reducing the risk of snap-loads during the splash-zone phase |
DE102017206590A1 (de) | 2016-08-30 | 2018-03-01 | Robert Bosch Gmbh | Einrichtung zum Heben, Senken oder Halten einer Last |
EP3290383B1 (de) | 2016-08-30 | 2020-12-30 | Robert Bosch GmbH | Einrichtung zum heben, senken oder halten einer last |
DE102017206595A1 (de) | 2016-08-30 | 2018-03-01 | Robert Bosch Gmbh | Einrichtung zum Heben, Senken oder Halten einer Last |
US9869071B1 (en) | 2016-10-08 | 2018-01-16 | Austin T. Mohrfeld | Method for installing a pile |
US10435963B2 (en) * | 2017-06-08 | 2019-10-08 | Aquamarine Subsea Houston, Inc. | Passive inline motion compensator |
AU2018453912A1 (en) * | 2018-12-18 | 2021-05-20 | Halliburton Energy Services, Inc. | Advanced pulling prong |
CN110594335A (zh) * | 2019-09-23 | 2019-12-20 | 三一汽车制造有限公司 | 悬挂油缸组件、减振系统和车辆 |
US11208855B2 (en) * | 2019-11-11 | 2021-12-28 | J. Ray Mcdermott, S.A. | Disruptive coupling systems and methods for subsea systems |
US11208180B1 (en) * | 2020-07-14 | 2021-12-28 | The United States Of America As Represented By The Secretary Of The Navy | Magnetic motion compensation system |
NL2026484B1 (en) | 2020-09-16 | 2022-05-16 | Itrec Bv | Offshore lifting tool and method |
CN112994342A (zh) * | 2021-03-02 | 2021-06-18 | 西北工业大学 | 一种水下大深度直连式电动缸 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949496A (en) * | 1972-01-28 | 1976-04-13 | Konig Jan De | Wave compensating system for suction dredgers |
US5209302A (en) * | 1991-10-04 | 1993-05-11 | Retsco, Inc. | Semi-active heave compensation system for marine vessels |
US20040146363A1 (en) * | 2001-04-27 | 2004-07-29 | Gjedebo Jon G | Riser tensioning arrangement |
US7231981B2 (en) * | 2003-10-08 | 2007-06-19 | National Oilwell, L.P. | Inline compensator for a floating drill rig |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236512A (en) * | 1964-01-16 | 1966-02-22 | Kirsch Jerry | Self-adjusting hydropneumatic kinetic energy absorption arrangement |
USRE28218E (en) * | 1970-09-04 | 1974-10-29 | Motion compensating apparatus | |
US3824896A (en) * | 1971-11-24 | 1974-07-23 | Hoerner Waldorf Corp | Hydraulic compression circuits |
US3793835A (en) * | 1972-02-02 | 1974-02-26 | Vetco Offshore Ind Inc | Variable rate hydraulic-pneumatic weight control and compensating apparatus |
US3839976A (en) * | 1972-10-12 | 1974-10-08 | Offshore Co | Constant force device |
US4098491A (en) * | 1975-01-09 | 1978-07-04 | Vetco Offshore Industries, Inc. | Methods and apparatus for the control of a suspended weight from a floating vessel |
FR2344490A1 (fr) * | 1976-03-18 | 1977-10-14 | Elf Aquitaine | Dispositif de compensation des variations de distance entre un objet flottant sur l'eau et le fond de celle-ci |
US4098082A (en) * | 1977-03-18 | 1978-07-04 | Packer Martin R | Wave-motion compensating apparatus for use in conjunction with an off-shore crane, or the like |
US4351261A (en) * | 1978-05-01 | 1982-09-28 | Sedco, Inc. | Riser recoil preventer system |
US4362438A (en) * | 1980-10-03 | 1982-12-07 | A/S Akers Mek. Verksted | Supporting device |
US4501219A (en) * | 1983-04-04 | 1985-02-26 | Nl Industries, Inc. | Tensioner apparatus with emergency limit means |
US4759256A (en) * | 1984-04-16 | 1988-07-26 | Nl Industries, Inc. | Tensioner recoil control apparatus |
SE464533B (sv) * | 1989-09-01 | 1991-05-06 | Kamyr Ab | Anordning foer mottagande och efterfoeljande uttoemning av hydraulvaetska ur hydraulsystem |
US5846028A (en) * | 1997-08-01 | 1998-12-08 | Hydralift, Inc. | Controlled pressure multi-cylinder riser tensioner and method |
US20050074296A1 (en) * | 2003-10-15 | 2005-04-07 | Mccarty Jeffery Kirk | Hydro-pneumatic tensioner with stiffness altering secondary accumulator |
-
2008
- 2008-04-08 US US12/099,593 patent/US7934561B2/en active Active
-
2009
- 2009-04-08 GB GB201017211A patent/GB2471051C/en active Active
- 2009-04-08 MY MYPI2010004748A patent/MY158641A/en unknown
- 2009-04-08 AU AU2009233731A patent/AU2009233731B2/en active Active
- 2009-04-08 WO PCT/US2009/039908 patent/WO2009126711A1/en active Application Filing
- 2009-04-08 MX MX2010011133A patent/MX2010011133A/es active IP Right Grant
- 2009-04-08 BR BRPI0910909A patent/BRPI0910909A2/pt not_active Application Discontinuation
-
2010
- 2010-11-05 NO NO20101557A patent/NO343210B1/no unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949496A (en) * | 1972-01-28 | 1976-04-13 | Konig Jan De | Wave compensating system for suction dredgers |
US5209302A (en) * | 1991-10-04 | 1993-05-11 | Retsco, Inc. | Semi-active heave compensation system for marine vessels |
US20040146363A1 (en) * | 2001-04-27 | 2004-07-29 | Gjedebo Jon G | Riser tensioning arrangement |
US7231981B2 (en) * | 2003-10-08 | 2007-06-19 | National Oilwell, L.P. | Inline compensator for a floating drill rig |
Also Published As
Publication number | Publication date |
---|---|
AU2009233731B2 (en) | 2013-07-11 |
MX2010011133A (es) | 2011-03-04 |
NO20101557L (no) | 2010-12-03 |
WO2009126711A1 (en) | 2009-10-15 |
GB2471051B (en) | 2012-08-01 |
MY158641A (en) | 2016-10-31 |
US7934561B2 (en) | 2011-05-03 |
AU2009233731A1 (en) | 2009-10-15 |
BRPI0910909A2 (pt) | 2015-09-29 |
GB2471051C (en) | 2013-08-14 |
US20080251980A1 (en) | 2008-10-16 |
GB2471051A (en) | 2010-12-15 |
GB201017211D0 (en) | 2010-11-24 |
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