CN108026760A - The apparatus and method of heave compensation are carried out to the instrument that vertical rack gearing is equipped with derrick - Google Patents
The apparatus and method of heave compensation are carried out to the instrument that vertical rack gearing is equipped with derrick Download PDFInfo
- Publication number
- CN108026760A CN108026760A CN201680052009.4A CN201680052009A CN108026760A CN 108026760 A CN108026760 A CN 108026760A CN 201680052009 A CN201680052009 A CN 201680052009A CN 108026760 A CN108026760 A CN 108026760A
- Authority
- CN
- China
- Prior art keywords
- pitch rack
- pitch
- pylon
- heave
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- -1 carbon Hydrogen compound Chemical class 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Classifications
-
- 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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- 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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/083—Cam, rack or like feed mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Describe the apparatus and method that working cell (3) are carried out with heave compensation, the working cell includes at least one driving unit (33), and at least one driving unit (33) engaged with the pitch rack (23) being arranged vertically in pylon (2) and so as to being arranged in by way of vertical displacement in pylon (2), pitch rack (23) is so as to the mode of vertical displacement is suspended in heave compensator (24).
Description
Technical field
Setting for heave compensation (heave compensation, compensation of undulation) is carried out to working cell the present invention relates to a kind of
Standby and method, the working cell includes at least one driving unit, and the working cell passes through with being arranged vertically at well
In frame pitch rack (pitch rack) engagement at least one driving unit and so as to the mode cloth of vertical displacement
Put in derrick.
Background technology
For equipment of the operation setting on sea bed or in subsea borehole or in well, (equipment is for example for extracting carbon
Hydrogen compound) floating surface facility on, it usually needs using heave compensation so that from floating surface facility pendency equipment
Will not the movement of surface facility caused by wave or ocean current and occur uncontrollably to move.Heave compensation usually by
There is provided in winch or hydraulic cylinder, the winch or hydraulic cylinder are connected to the elongated member attached by equipment, the elongated member
The for example, form of steel wire rope or tubing string (pipe string).For instance, it is known that by the drilling machine of top drive hang over steel wire,
On the complication system of pulley and winch, undergone uncontrolled perpendicular with preventing the movement of drill bit drilling ship caused by wave
Translation is moved.
The content of the invention
There is provided the purpose of the present invention is remedying or reducing at least one shortcoming of the prior art, or at least for the prior art
Useful alternative solution.
The purpose by realizing with the feature specified in appended claims in the following description.
The present invention provides a kind of pylon, especially derrick, it includes being used for connected working cell (and job note
Member combination) multiple guide rails so that the working cell can be moved up and down along pylon, so as to produce attached work
Has the vertical displacement of (such as tubing string with attached downhole tool), the working cell is, for example, pipe winch, drilling machine, power
Pincers, slide block device (slips arrangement, slip system), cycling element or workbench for drilling fluid.Job note
Travelling vertically for member is caused by one or more driving units, and one or more of driving units are with being arranged vertically in pylon
At least one pitch rack engagement.The position of working cell in the horizontal direction can be by working cell in guide rail
Fastener determine, the fastener usually by by guide rail support in roller and/or be oriented to boots (guide shoes,
Guide pad) support device of form provides.
At least one pitch rack is suspended in heave compensator.Preferably, heave compensator is one or more rotations
Actuator, it typically is the form of electro-motor or hydraulic motor, is engaged with least one pitch rack.With known per se
Mode, heave compensator includes control system, and the heave which is arranged to record pylon is mobile and produce and be used for
The control signal of the revolving actuator so that the mobile pitch rack by vertically moving of heave of pylon is offset.
Advantageously, pitch rack is equipped with tooth on two opposite sides, to be resisted against the rotation with heave compensator
In actuator connection and the respective gears being connected with the driving unit of working cell.Heave compensator can be by means of suitable
Transmission device (such as mechanical gearbox and hydraulic system) and be connected to multiple pitch racks.
It is favourable if the revolving actuator of heave compensator is identical.
It is favourable if the driving unit of working cell is identical.
It is favourable if heave compensator is arranged in the tower portion of top.
The present invention is defined in the independent claim.Dependent claims limit the advantageous embodiment of the present invention.
In first scheme, the present invention relates more specifically to the equipment that heave compensation is carried out to working cell, the work
Unit includes at least one driving unit, and the working cell by least one driving unit so as to vertical position
The mode of shifting is arranged in pylon, and at least one driving unit is engaged with the pitch rack being arranged vertically in pylon, its
It is characterized in that, pitch rack is so as to the mode of vertical displacement is suspended in heave compensator.
Heave compensator can be arranged in the tower portion of top.
At least one rotation that heave compensator can include choosing from the group including hydraulic motor and electro-motor causes
Dynamic device.Thus provide heave compensator compact and without the need for space.
Pitch rack can be provided with two opposite toothrows, and heave compensator can include it is at least one rotary-actuated
Device, the revolving actuator are engaged with per toothrow.It is possible thereby to the revolving actuator of multiple cooperations is used in heave compensator,
And it therefore can reduce the size of each revolving actuator.Furthermore, it is possible to be redundant actuator slot milling, once it recorded
The function of revolving actuator in normal operation breaks down, then redundant actuator can start to function.
Revolving actuator can by remote-control clutch (remote-controlled clutch, it is remotely controlled from
Clutch) it is connected to mechanically or hydraulically transmission device.Therefore, the feelings for breaking down and blocking even in one of revolving actuator
Under condition, the function of heave compensator can also be maintained.
Pylon can include parallel multiple pitch racks, since the multiple pitch rack is by being mechanically or hydraulically driven
Device is connected with each other to be produced the cooperation displacement of the multiple pitch rack, therefore it by means of the revolving actuator being attached thereto
Vertical displacement it is synchronous.Alternatively, pylon can include parallel multiple pitch racks, due to each pitch rack be connected to
Electronic position that the control system of heave compensator is connected monitoring system so as to by means of with each pitch rack or and pitch
At least one revolving actuator of rack group connection and produce the independent displacement of each pitch rack, therefore their vertical displacement
It is synchronous.
In alternative plan, the present invention relates more specifically to the method that heave compensation is carried out to working cell, the work
Unit includes at least one driving unit and the working cell by least one driving unit so as to vertical position
The mode of shifting is arranged in pylon, and at least one driving unit is engaged with the pitch rack being arranged vertically in pylon, its
It is characterized in that, the described method comprises the following steps：
A) heave compensator is arranged to associated with pylon；
B) pitch rack is suspended in heave compensator；
C) heave recorded by means of the control system being connected with heave compensator in pylon is moved；
D) the vertically displacement of pitch rack is caused by means of heave compensator, thus to offset the heave of pylon movement.
This method may further include：
E) multiple pitch racks are hung in same heave compensator；With
F) with making multiple pitch rack synchronous in the following manner mobile, the mode is
f1) multiple pitch racks are connected to mechanically or hydraulically transmission device, and pitch rack is jointly moved, or
f2) each pitch rack is connected to the electronic position monitoring being connected with for the control system of heave compensator
System, and make each pitch rack individually displacement.
Brief description of the drawings
The example of visible preferred embodiment in the accompanying drawings is describe hereinafter, in the accompanying drawings：
Fig. 1 shows the side view of the pylon with drilling machine, the drilling machine can along guide rail in pylon vertical position
Move and engaged with the pitch rack being suspended in heave compensator, the heave compensator is arranged at the upper part of pylon
In；
Fig. 2 is illustrated the side view of the upper part of double tower frame with larger ratio, wherein corresponding pitch rack is hung
In heave compensator；
Fig. 3 is shown in the working cell in the form of drilling machine by solid, which is arranged to along guided way
Road vertical displacement and engages in pylon with pitch rack；
Fig. 4 shows the upper part of double tower frame with solid, wherein corresponding pitch rack is suspended on heave compensator
In, the operation with the revolving actuator of corresponding pitch rack engagement is connected to machine driving dress by revolving actuator in couples
Put and synchronization；With
Fig. 5 shows the upper part of double tower frame with solid, wherein corresponding pitch rack is suspended on heave compensator
In, by means of the electronic monitoring of the position of pitch rack so that the operation with the revolving actuator of corresponding pitch rack engagement
It is synchronous.
Embodiment
Pylon 2 stretches out upwards from the deck 11 on floating surface facility 1 or ship, as schematically shown in Fig. 1.Work
Unit 3 (shown herein as drilling machine) can be along the vertically displacement of guide rail 22 on pylon 2, and multiple driving units 33
(being shown as motor 331 herein) engages with pitch rack 23 and is arranged so that for example to be arranged in tubing string or another slender body
The downhole tool (not shown) movement of the far-end of (not shown).Pitch rack 23 is suspended on the heave compensator being connected with pylon
In 24, the heave compensator is shown as being arranged in the upper part 21 of pylon 2 in the exemplary embodiment.Pitch rack 23
Side is projected into heave compensator more than 24 freely up for upper part 235.Heave compensator 24 includes multiple revolving actuators
241 (being usually the form of electro-motor or hydraulic motor) and control system 243, the revolving actuator are connected to supply unit
(not shown), the control system includes being used for the heave movement for recording floating facility 1 and the rotation to heave compensator 24 causes
Dynamic device 241 produces the necessary component (not shown) of control instruction.
When heave compensator 24 offsets the heave movement of surface facility 1 in a way known, 23 energy of pitch rack
By the vertically displacement of heave compensator 24.Pitch rack 23 is provided with the first toothrow 231, first toothrow and working cell 3
Revolving actuator 331 on drive gear 332 engage and to be connected to heave compensator 24 revolving actuator 241 it is corresponding
Drive gear 241' is engaged.Preferably, pitch rack 23 is two-sided (double), that is to say, that it is equipped with two opposite toothrows
231st, 232 (only one is visible in the accompanying drawings).If supporting item be arranged to it is just opposite with travelling gear 332 and 241' respectively,
It is favourable, to draw displacement and pitch rack 23 of the working cell 3 on pitch rack 23 relative to heave compensator 24
The force component of the longitudinal axis perpendicular to pitch rack 23 that produces respectively of displacement.When pitch rack 23 is provided with opposite two
During toothrow 231,232, two revolving actuators 241,331 can appropriately respectively be arranged to just opposite each other and be arranged at pitch
In the corresponding side being located in both upper heave compensator 24 and working cell 3 of rack 23, such as from Fig. 3, Fig. 4 and Fig. 5 clearly
See, or can be possibly respectively arranged to via suitable transmission device (not shown), at least drive gear 241' and 332
It is just opposite each other in the corresponding side of pitch rack 23.
Working cell 3 is provided with multiple support devices 32, is usually supported and is incited somebody to action by the corresponding guide rail 22 on pylon 2
The support roller (being shown in which) and/or be oriented to boots that working cell 3 is positioned accurately in horizontal plane.Therefore, pitch rack 23 can
Freely to dangle from heave compensator 24, because it is without contributing the horizontal location of working cell 3.On the contrary, pitch
The position of rack 23 in the horizontal plane is controlled by working cell 3.
With specific reference now to Fig. 2 and Fig. 4, wherein the upper part of the 21 and second pylon 2' of upper part of the first pylon 2
21' is connected with each other, and wherein heave compensator 24 includes multiple revolving actuators 241, and the multiple revolving actuator passes through
Mechanical driving device 242 connects in couples.Transmission device (it may be alternatively formed to hydraulic arrangement) ensures the first and second pitch teeth
Bar 23, the heave compensation of 23' are synchronous.Correspondingly, pylon can include being used for the multiple pitch teeth for hanging same working cell
Bar (not shown), or possibly, different working cells can each be hung from corresponding pitch rack.
Referring now to Figure 5, the heave compensation of two of which pitch rack 23,23' is in the following manner by electronically synchronous,
The mode is, heave compensator 24 be provided with for monitor pitch rack 23,23' position system 244, such as each spiral shell
The position indicator 234 that can be read by position monitoring system 224 is provided with away from rack 23,23', then position monitoring system to
The control system 243 of heave compensator 24 provides control data, and the revolving actuator 241' of each pitch rack 23,23
The group of multiple revolving actuators 241 (may also) be operated, to make corresponding pitch rack 23,23' displacements in a synchronous manner.
When being arranged in tubing string or one are already attached to the working cell 3 in the pylon 2 of heave compensation as described above
A little slender body (not shown) (the downhole tool (not shown) of attachment when will therewith displacement or be held in place by) when, work
Unit 3 is relative to 23 displacement of pitch rack or positioning.It is unrelated along the traveling of pitch rack 23 with working cell 3, pass through heave
Compensator 24 makes pitch rack 23 relative to 2 displacement of pylon and offsets heave movement, and the tubing string/slender body (not shown) can
To keep the influence of the possible heave movement from floating surface facility 1 and pylon 2.Being possibly disposed in tower 2 (may also cloth
Put in the second adjacent towers 2') with other working cell (not shown) for cooperating with shown working cell 3 its with it is shown
Working cell 3 is by can in an identical manner (may also be second on same rack 23 while synchronously heave compensation
On pitch rack 23') vertically displacement.
Although exemplary embodiment shows what is dangled from the heave compensator 24 being arranged in the upper part 21 of pylon 2
Pitch rack 23, but this is not precluded from heave compensator 24 and is arranged in the lower section of in the low portion 25 of pylon 2 or deck 11
Configuration structure, wherein pylon 2 erect (rise) from deck.The advantages of unshowned configuration structure is, as heave compensator 24 that
The heavy elements of sample are by with relatively low center of gravity, and which increase the stability of floating surface facility 1.Shortcoming is, it is necessary to by leading
Pitch rack 23 is ensured from bending to part or increased cross section, and which increase the weight of pitch rack.
It should be noted that all above-described embodiments explain the present invention, but the present invention is not intended to limit, and this area skill
Art personnel can envision many alternate embodiments without departing from the scope of the appended claims.In claim
In, the reference numeral in bracket is not to be considered as limiting.It is not precluded from also depositing using verb " comprising " and its multi-form
Unmentioned element or step in the claims.Indefinite article " one (" a " or " an ") " before element is not precluded from existing
Multiple such elements.
Describe in mutually different dependent claims some features be not offered as the combinations of these features cannot be by
Advantageously use.
Claims (9)
1. a kind of equipment that working cell (3) are carried out with heave compensation, the working cell includes at least one driving unit
(33), and the working cell by engaged with the pitch rack (23) being arranged vertically in pylon (2) described at least one
A driving unit (33) and so as to the mode of vertical displacement is arranged in the pylon (2), it is characterised in that the pitch tooth
Bar (23) is so as to the mode of vertical displacement is suspended in heave compensator (24).
2. equipment according to claim 1, wherein, the heave compensator (24) is arranged in top tower portion (21)
In.
3. equipment according to claim 1, wherein, the heave compensator (24) is included from including hydraulic motor and electronic
At least one revolving actuator (241) chosen in the group of motor.
4. equipment according to claim 1, wherein, the pitch rack (23) be provided with two opposite toothrows (231,
232), and the heave compensator (24) includes at least one rotation for being engaged with each row in more toothrows (241,242)
Actuator (241).
5. equipment according to claim 1, wherein, revolving actuator (241) is connected to via remote-control clutch (242')
Mechanically or hydraulically transmission device (242).
6. equipment according to claim 1, wherein, the pylon (2) includes parallel multiple pitch racks (23), due to
The pitch rack (23) is connected with each other with by means of at least one associated rotation by mechanically or hydraulically transmission device (242)
Linear actuator (241) produces the cooperation displacement of the pitch rack (23), and the vertical displacement of the multiple pitch rack is synchronous.
7. equipment according to claim 1, wherein, the pylon (2) includes parallel multiple pitch racks (23), due to
Each pitch rack (23) is all connected to the electronic position monitoring being connected with the control system of the heave compensator (24) (243)
System (244), with least one rotary-actuated by means of being connected with the group of each pitch rack (23) or pitch rack (23)
Device (241) produces the independent displacement of each pitch rack (23), and the vertical displacement of the multiple pitch rack is synchronous.
8. a kind of method that working cell (3) are carried out with heave compensation, the working cell includes at least one driving unit
(33), and the working cell by engaged with the pitch rack (23) being arranged vertically in pylon (2) described at least one
A driving unit (33) and so as to the mode of vertical displacement is arranged in the pylon (2), it is characterised in that the method bag
Include following steps：
A) heave compensator (24) is arranged to associated with the pylon (2)；
B) the pitch rack (23) is suspended in the heave compensator (24)；
C) heave recorded by means of the control system (243) being connected with the heave compensator (24) in pylon (2) is moved；
D) pitch rack (23) the vertically displacement is made by means of the heave compensator (24), thus to offset the tower
The heave movement of frame (2).
9. according to the method described in claim 8, wherein, the method further includes：
E) the multiple pitch racks (23) of suspension in same heave compensator (24)；And
F) the multiple pitch rack (23) is made synchronously to move in the following manner, the mode is：
f1) the multiple pitch rack (23) is connected to mechanically or hydraulically transmission device (242) and makes the multiple pitch rack
(23) jointly move, or
f2) each pitch rack (23) is connected to the electronic bits being connected with the control system of the heave compensator (24) (243)
Monitoring system (244) is put, and makes each pitch rack (23) individually displacement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20151153A NO20151153A1 (en) | 2015-09-08 | 2015-09-08 | Arrangement and method for HIV compensation of equipment provided with vertical racking operation in a drill tower |
| NO20151153 | 2015-09-08 | ||
| PCT/NO2016/050184 WO2017043976A1 (en) | 2015-09-08 | 2016-09-07 | Arrangement and method for heave compensation of tools provided with vertical rack gearing in a derrick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108026760A true CN108026760A (en) | 2018-05-11 |
Family
ID=58240298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680052009.4A Pending CN108026760A (en) | 2015-09-08 | 2016-09-07 | The apparatus and method of heave compensation are carried out to the instrument that vertical rack gearing is equipped with derrick |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180238125A1 (en) |
| CN (1) | CN108026760A (en) |
| NO (1) | NO20151153A1 (en) |
| WO (1) | WO2017043976A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3363989B1 (en) * | 2017-02-16 | 2019-03-27 | National Oilwell Varco Norway AS | Drilling unit comprising an electric heave-compensation system |
| US10837238B2 (en) | 2018-07-19 | 2020-11-17 | Nabors Drilling Technologies Usa, Inc. | Side saddle slingshot continuous motion rig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962817A (en) * | 1989-04-03 | 1990-10-16 | A.R.M. Design Development | Active reference system |
| CN1320188A (en) * | 1998-09-25 | 2001-10-31 | 工程及钻探机械有限公司 | Method and device for riser tensioning |
| CN102606088A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Gear-rack displacement multiplication type drill string heave compensator for floating drilling platform |
| CN102606087A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Gear-rack drill string heave compensator for floating drilling platform |
| WO2014182160A3 (en) * | 2013-05-06 | 2015-01-15 | Itrec B.V. | Wellbore drilling system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2492029A1 (en) * | 1980-10-13 | 1982-04-16 | Francois Durand | SELF-ALIGNING AND SELF-TURNING PINION BLOCK FOR SELF-LIFTING PLATFORM LEG |
| US20150129529A1 (en) * | 2013-11-13 | 2015-05-14 | Lee David Screaton | Marine lifting apparatus |
-
2015
- 2015-09-08 NO NO20151153A patent/NO20151153A1/en not_active Application Discontinuation
-
2016
- 2016-09-07 US US15/756,769 patent/US20180238125A1/en not_active Abandoned
- 2016-09-07 CN CN201680052009.4A patent/CN108026760A/en active Pending
- 2016-09-07 WO PCT/NO2016/050184 patent/WO2017043976A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962817A (en) * | 1989-04-03 | 1990-10-16 | A.R.M. Design Development | Active reference system |
| CN1320188A (en) * | 1998-09-25 | 2001-10-31 | 工程及钻探机械有限公司 | Method and device for riser tensioning |
| CN102606088A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Gear-rack displacement multiplication type drill string heave compensator for floating drilling platform |
| CN102606087A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Gear-rack drill string heave compensator for floating drilling platform |
| WO2014182160A3 (en) * | 2013-05-06 | 2015-01-15 | Itrec B.V. | Wellbore drilling system |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20151153A1 (en) | 2017-03-09 |
| WO2017043976A1 (en) | 2017-03-16 |
| US20180238125A1 (en) | 2018-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106232471B (en) | Offshore drilling vessel and method | |
| EP2817479B1 (en) | Device for a pipe handling unit and method of inserting and withdrawing a pipe string in/from a borehole | |
| EP2994598B1 (en) | Wellbore drilling system | |
| CN106458302B (en) | offshore drilling system, vessel and method | |
| EP3472420B1 (en) | Wellbore drilling with a top drive device | |
| CN103596837A (en) | Deck arrangement on a vessel or platform for performing subsea operations | |
| CN108026760A (en) | The apparatus and method of heave compensation are carried out to the instrument that vertical rack gearing is equipped with derrick | |
| KR101593967B1 (en) | Topdrive system and drilling marine structure having the same | |
| CN204371138U (en) | Rack and pinion formula top drives operating system | |
| CN106458303B (en) | Method for riser string handling and offshore drilling vessel | |
| KR101947171B1 (en) | Riser tensioner | |
| CN207111004U (en) | A kind of submarine deep-hole rig | |
| WO2015169737A1 (en) | System for well operation | |
| EP3363989B1 (en) | Drilling unit comprising an electric heave-compensation system | |
| KR20150043083A (en) | Derrick system capable of adjust horizontal position of top drive | |
| US11927060B2 (en) | Offshore vessel and method of operation of such an offshore vessel | |
| CN213654776U (en) | Lateral movement guide rail for oil drilling machine | |
| CN207332772U (en) | A kind of low temperature drill translation track | |
| KR101276130B1 (en) | Locking device of riser bridge and bop crane for drillship | |
| CN202325270U (en) | Heave compensation separation-type hydraulic drilling machine | |
| KR20180036204A (en) | Rotary hydraulic winch type heave motion compensation system | |
| KR20150042595A (en) | Moving system of riser tensioner | |
| CN108533233A (en) | Gas hydrates develop deepwater seabed well system | |
| KR20130138504A (en) | Lmrp traction system | |
| KR20140002696U (en) | Semi-submersible rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180511 |