CN109098675A - A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well - Google Patents
A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well Download PDFInfo
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- CN109098675A CN109098675A CN201811198195.XA CN201811198195A CN109098675A CN 109098675 A CN109098675 A CN 109098675A CN 201811198195 A CN201811198195 A CN 201811198195A CN 109098675 A CN109098675 A CN 109098675A
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- 238000005553 drilling Methods 0.000 title claims abstract description 97
- 238000007667 floating Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims description 29
- 239000010720 hydraulic oil Substances 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 241000201246 Cycloloma atriplicifolium Species 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- 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
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of passive type deep-seas for ocean platform drilling well to rise deep compensation device, vertically arranged guide groove is provided in Drilling derrick (3), vertically arranged spring (5) are installed at the top of guide groove, the bottom of spring (5) is installed with the pressing plate (6) in guide groove, floating overhead traveling crane (7) is located at immediately below pressing plate (6), the center sheave (8) that multiple tracks wire casing is offered on its cylinder is rotatably installed in floating overhead traveling crane (7), the heave compensator further includes hook (9), marine riser (10), hook lifting rope (11), wirerope (12), it is respectively arranged at the displacement compensating mechanism I and right displacement compensating mechanism II of rack (2) left and right sides, the displacement compensating mechanism I and right displacement compensating mechanism II are symmetrical set.The beneficial effects of the present invention are: structure is simple, vertical lowering risers, good reliability, compensation efficiency are high and system response time is fast.
Description
Technical field
The present invention relates to marine floating type platform heave compensator technical fields, especially a kind of to be used for ocean platform drilling well
Passive type deep-sea rise deep compensation device.
Background technique
As exhaustion, the strategic perspective of development of world economy increasingly of land resources just gather on ocean, Development of Marine
Science and technology is particularly important with high tech equipment.In oil field, with the development of China's economic, especially as the stone of pillar industry
The contradiction of the fast development of oiling work and auto industry, oil and natural gas insufficient supply becomes increasingly conspicuous.It is provided in view of land oil
The increasingly exhaustion in source, marches to deep-sea and has become inexorable trend.Currently, offshore oil rig maximum operating water depth has been over
3000m, but also will continue to develop to deeper direction.It works under such depth condition, to wanting for the various aspects of drilling machine
It asks more harsh, and some special circumstances faced under deep water conditions must also be adapted to, many equipment need to set again
Meter and exploitation.
Drill string heave compensator is to ensure that the safety of offshore drilling ship or semisubmersible drilling platform operation is carried out and mentioned
One of high working efficiency and the essential important equipment of quality.Semisubmersible drilling platform and drilling well used by deep sea drilling are floating
Ship will generate periodic heave movement under wave action, and drill string is made to pump, and cause the change of Bottom Hole Bit Weight In A
Change, or even drill bit is made to be detached from shaft bottom, influence the efficiency of drilling, reduces drill bit and Life of drill rod, generate the security risk of operation, very
To leading to not creep into and be forced to stop work, huge economic loss is caused.Therefore, in order to reduce the downtime, reduce drilling well at
This, floating drilling platform must take drill string heave movement indemnifying measure appropriate, to ensure for hanging the big of marine riser
The liquid level of hook in the seawater is constant, further ensures that the position of drilling rod and drill bit is constant.
Fluid pressure type heave compensation system is using the most generally on ocean floating type drilling platform, and form is relatively more, according to it
Power presentation mode can be divided into three kinds of forms: active, passive type and semi-active type.Active heave compensation system have compared with
Good compensation effect and stronger adaptability, but since drill string quality is big, it pumps frequently, therefore meeting in compensation process
Consume a large amount of energy.In addition, since there are the hydraulic members such as a large amount of fluid pressure lines and hydraulic control valve in fluid power system
Device can heave overhead traveling crane and mend so that there are certain hysteresis qualitys for compensation response of the compensation system to drilling platforms heave movement
The compensation speed and efficiency for repaying device have an impact；Simultaneously because there are a large amount of hydraulic components in compensation system, in hydraulic pressure system
Easily revealing in the case where larger pressure occurs in system, the safety and use reliability of compensation system is influenced, due to hydraulic pressure system
System leakage or the problems such as hydraulic valve Pipeline Failure caused work accident, will lead to compensation system and need maintenance down, because
This increases system overhaul difficulty and overall operation cost.
Passive type heave compensation system is additionally provided energy, and system due to not needing system substantially in compensation process
Simply, it has obtained relatively broad application.But since the wave to ultralow frequency, broad-band random vibration, ocean current, the influence of tide are difficult
Effectively to inhibit, compensation precision is not high, so passive type compensation system compensation effect is undesirable, and there is certain lag
Phenomenon.
In addition, under the action of seawater, there is tilt phenomenon in marine riser, i.e., not from drilling platforms when lowering risers
It is vertical to land down, subsequent into marine riser when lowering drill pipes, drilling rod also run-off the straight is caused, is further resulted in and drilling rod
The drilling seabed bottom of connected bit inclination, it is serious to bit damage.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provide a kind of simple structure, vertical lowering risers, can
The passive type deep-sea for ocean platform drilling well good by property, that compensation efficiency is high and system response time is fast rises deep compensation dress
It sets.
The purpose of the present invention is achieved through the following technical solutions: a kind of passive type deep-sea liter for ocean platform drilling well
Deep compensation device, it includes floating drilling platform, the rack being set at the top of floating drilling platform and is set to rack top
The Drilling derrick in portion, floating drilling platform top setting earrings screw and well drilling hoist, earrings screw and well drilling hoist point
Not Wei Yu rack left and right sides, be provided with vertically arranged guide groove in the Drilling derrick, be installed at the top of guide groove perpendicular
To the spring of setting, the bottom of spring is installed with the pressing plate in guide groove, and floating day is slidably fitted in the guide groove
Vehicle, floating overhead traveling crane are located at immediately below pressing plate, are rotatably installed with the central channel that multiple tracks wire casing is offered on its cylinder in floating overhead traveling crane
Wheel, which further includes hook, marine riser, hook lifting rope, wirerope, the displacement for being respectively arranged at rack left and right sides
Compensation mechanism I and right displacement compensating mechanism II, the displacement compensating mechanism I and right displacement compensating mechanism II are symmetrical set；
The displacement compensating mechanism I includes first connecting rod, second connecting rod, directive wheel and compensation hydraulic oil cylinder, under first connecting rod
End is articulated with frame top, and the other end of first connecting rod is articulated with the middle part of directive wheel, and one end of second connecting rod, which is articulated with, leads
To the middle part of wheel, the other end of second connecting rod is articulated with the middle part of center sheave, and compensation hydraulic oil cylinder, which is tilted to the right, to be set up,
The cylinder barrel of compensation hydraulic oil cylinder is articulated in rack, and the piston rod of compensation hydraulic oil cylinder is articulated with the bottom of floating overhead traveling crane, described
The tail end of wirerope is fixed on earrings screw, and the head end of wirerope coils around multi-turn after the directive wheel of displacement compensating mechanism I
In on the sheave of center, the head end of subsequent wirerope after the directive wheel of displacement compensating mechanism II around being fixed on well drilling hoist, institute
The one end for stating hook lifting rope is fixed on floating overhead traveling crane, and the other end is fixed with hook, is hung with marine riser on hook, on marine riser
Cover intrinsic annular ring；
The heave compensator further includes the rolling-up mechanism I and rolling-up mechanism II for being located at Drilling derrick left and right sides, winder
Structure I is made of motor A, winding roller A and drawstring A, and motor A is fixed at the top of floating drilling platform, the output shaft and receipts of motor A
One end of scroll cylinder A is connected through shaft coupling, and one end of drawstring A is fixed on winding roller A, and the other end is welded in a left side for annular ring
Side；Rolling-up mechanism II is made of motor B, winding roller B and drawstring B, and motor B is fixed at the top of floating drilling platform, motor B's
Output shaft is connect with one end of winding roller B through shaft coupling, and one end of drawstring B is fixed on winding roller B, and the other end is welded in
The right side of annular ring；
The heavy compensation device further includes accumulator and control valve, and control valve is connected at the output port of the accumulator, is controlled
The other end of valve is connected with tee tube, and rodless cavity of two ports of tee tube respectively with two compensation hydraulic oil cylinders connects through pipeline
It is logical.
The well drilling hoist includes that motor C, winding roller C and retarder, the motor C and retarder are all set in floating
At the top of drilling platforms, the output shaft of motor C and the input shaft of retarder are connected through shaft coupling, and the output shaft of retarder is through shaft coupling
It is connected with winding roller C.
The head end of the wirerope around displacement compensating mechanism II directive wheel after be fixed on winding roller C on.
The hook is located at below floating drilling platform.
The through slot immediately below Drilling derrick is offered on the floating drilling platform.
The hook lifting rope is arranged through through slot.
The rolling-up mechanism I and rolling-up mechanism II are symmetrical set about Drilling derrick.
The accumulator is set in rack.
The invention has the following advantages that the configuration of the present invention is simple, vertical lowering risers, good reliability, compensation efficiency are high
It is fast with system response time.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the operation schematic diagram of compensation device when seawater liquid level rises；
Fig. 3 is the operation schematic diagram of compensation device when seawater liquid level declines；
Fig. 4 is the structural schematic diagram of floating overhead traveling crane；
In figure, 1- floating drilling platform, 2- rack, 3- Drilling derrick, 4- earrings screw, 5- spring, 6- pressing plate, 7- floating day
Vehicle, the center 8- sheave, 9- hook, 10- marine riser, 11- hook lifting rope, 12- wirerope, 13- first connecting rod, 14- second connecting rod,
15- directive wheel, 16- compensation hydraulic oil cylinder, 17- annular ring, 18- motor A, 19- wind roller A, 20- drawstring A, 21- motor B,
22- winds roller B, and 23- drawstring B, 24- accumulator, 25- control valve, 26- motor C, 27- wind roller C, 28- pipeline, the sea 29-
Face.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below:
As shown in figs. 1 and 4, a kind of passive type deep-sea for ocean platform drilling well rises deep compensation device, it includes that floating is bored
Well platform 1, the rack 2 for being set to 1 top of floating drilling platform and the Drilling derrick 3 for being set to 2 top of rack, the floating
Earrings screw 4 and well drilling hoist are set at the top of drilling platforms 1, and earrings screw 4 and well drilling hoist are located at the left and right of rack 2
Side is provided with vertically arranged guide groove in the Drilling derrick 3, vertically arranged spring 5, bullet is installed at the top of guide groove
The bottom of spring 5 is installed with the pressing plate 6 in guide groove, and floating overhead traveling crane 7, floating overhead traveling crane 7 are slidably fitted in the guide groove
Immediately below pressing plate 6, the center sheave 8 that multiple tracks wire casing is offered on its cylinder, the heave are rotatably installed in floating overhead traveling crane 7
Compensation device further includes hook 9, marine riser 10, hook lifting rope 11, wirerope 12, the displacement for being respectively arranged at 2 left and right sides of rack
Compensation mechanism I and right displacement compensating mechanism II, the displacement compensating mechanism I and right displacement compensating mechanism II are symmetrical set；
The displacement compensating mechanism I includes first connecting rod 13, second connecting rod 14, directive wheel 15 and compensation hydraulic oil cylinder 16, and first
The lower end of connecting rod 13 is articulated with 2 top of rack, and the other end of first connecting rod 13 is articulated with the middle part of directive wheel 15, second connecting rod
14 one end is articulated with the middle part of directive wheel 15, and the other end of second connecting rod 14 is articulated with the middle part of center sheave 8, compensation hydraulic
Oil cylinder 16, which is tilted to the right, to be set up, and the cylinder barrel of compensation hydraulic oil cylinder 16 is articulated in rack 2, the piston of compensation hydraulic oil cylinder 16
Bar is articulated with the bottom of floating overhead traveling crane 7, and the tail end of the wirerope 12 is fixed on earrings screw 4, the head end of wirerope 12 around
In on center sheave 8, the head end of subsequent wirerope 12 is mended around displacement for multi-turn coiling after crossing the directive wheel 15 of displacement compensating mechanism I
It is fixed on well drilling hoist after repaying the directive wheel 15 of mechanism II, one end of the hook lifting rope 11 is fixed on floating overhead traveling crane 7, separately
One end is fixed with hook 9, and hook 9 is located at 1 lower section of floating drilling platform, is hung with marine riser 10 on hook 9, covers on marine riser 10
Intrinsic annular ring 17.
The heave compensator further includes the rolling-up mechanism I and rolling-up mechanism II for being located at 3 left and right sides of Drilling derrick, is received
Volume mechanism I and rolling-up mechanism II be symmetrical set about Drilling derrick 3, rolling-up mechanism I by motor A18, winding roller A19 and
Drawstring A20 composition, motor A18 are fixed on 1 top of floating drilling platform, the output shaft of motor A18 and one end of winding roller A19
It is connected through shaft coupling, one end of drawstring A20 is fixed on winding roller A19, and the other end is welded in the left side of annular ring 17；Winding
Mechanism II is made of motor B21, winding roller B22 and drawstring B23, and motor B21 is fixed on 1 top of floating drilling platform, motor
The output shaft of B21 is connect with one end of winding roller B22 through shaft coupling, and one end of drawstring B23 is fixed on winding roller B22,
The other end is welded in the right side of annular ring 17.
The heavy compensation device further includes accumulator 24 and control valve 25, and the accumulator 24 is set in rack 2, accumulator
Control valve 25 is connected at 24 output port, the other end of control valve is connected with tee tube, two ports difference of tee tube
It is connected to the rodless cavity of two compensation hydraulic oil cylinders 16 through pipeline 28.
The well drilling hoist includes that motor C26, winding roller C27 and retarder, the motor C26 and retarder are respectively provided with
In 1 top of floating drilling platform, the output shaft of motor C26 and the input shaft of retarder are connected through shaft coupling, the output of retarder
Axis is connected with winding roller C27 through shaft coupling.
The head end of the wirerope 12 around displacement compensating mechanism II directive wheel 15 after be fixed on winding roller C27 on.
The through slot immediately below Drilling derrick 3 is offered on the floating drilling platform 1, the hook lifting rope 11 is set through through slot
It sets.
The course of work of the invention is as follows: as shown in Figure 1, when lowering risers 10, by compensation hydraulic oil cylinder 16 without bar
Hydraulic oil extraction in chamber, the piston rod of compensation hydraulic oil cylinder 16 retract, and floating overhead traveling crane 7 is moved downward along guide groove, at this time
It hangs on the marine riser 10 on hook 9 to enter in seabed, during decline, if observing, marine riser 10 is tilted to the left, and floats at this time
Worker on formula drilling platforms 1 opens motor B21, and motor B21 drives winding roller B22 rotation, and drawstring B23, which is gradually wound, to be received
On scroll cylinder B22, drawstring B23 is applied to the pulling force of annular ring 17 to the right, draws marine riser 10 to the right, when marine riser 10
Motor B21 is closed after in a vertical state；If observing, marine riser 10 is tilted to the right, at this time the worker on floating drilling platform 1
Motor A18 is opened, motor A18 drives winding roller A19 rotation, and drawstring A20 is gradually wound on winding roller A19, drawstring A20
It is applied to the pulling force of annular ring 17 to the left, further makes marine riser 10 to Zola, is closed after marine riser 10 is in a vertical state
Motor A18.Therefore the device ensures the vertical whereabouts of marine riser 10, further ensure the drilling rod and drilling of subsequent decentralization
The safety of drill bit.
In carrying out deep-sea oil gas development process, since the environment of working sea area is complicated and changeable, lead to floating drilling platform 1
Heave movement state change is rapid, and is affected to going on smoothly for drillng operation, and the device can compensate for water proof
The vertical deviation of pipe 10 further ensures that going on smoothly for drilling.As shown in Fig. 2, when floating drilling platform 1 rises with wave
When, it will lead to the increase of 9 load of hook, drive piston rod in compensation hydraulic oil cylinder 16 to move upwards, lead to gas in accumulator 24
It expands, and floating overhead traveling crane 7 is moved upwards with respect to Drilling derrick 3 along guide groove, floating overhead traveling crane 7 presses to pressing plate 6, and pressing plate 6 is again
Compressed spring 5, while one end of two second connecting rods 14 is moved upwards with floating overhead traveling crane 7, second connecting rod 14 drives first to connect
Bar 13 is unfolded outward, is further driven to the tensioning wirerope 12 outward of directive wheel 15, it is downward that wirerope 12 is applied to downwards directive wheel 15
Power, while pressing plate 6 spring 5 restoring force effect under also press to floating overhead traveling crane 7, under the action of the two power, it is ensured that
The Rapid reset of floating overhead traveling crane 7, to compensate for hook and drill string since floating drilling platform 1 rises the displacement generated, with true
It is constant always in the displacement of vertical direction to protect marine riser；As shown in figure 3, will lead to when floating drilling platform 1 declines with wave
9 load of hook reduces, and piston rod in compensation hydraulic oil cylinder 16 is driven to move downward, so that gas is compressed in accumulator 24, floats
The opposite Drilling derrick 3 of dynamic overhead traveling crane 7 is moved downward along guide groove, at the same one end of two second connecting rods 14 with floating overhead traveling crane 7 to
Lower movement, second connecting rod 14 drive first connecting rod 13 to contract, and wirerope 12 is in relaxation state, at this time quilt in accumulator 24
The trend that there is the gas of compression the piston rod of driving compensation hydraulic oil cylinder 16 to stretch out upwards, piston rod make floating overhead traveling crane after stretching out
7 reset, so that the displacement that hook and drill string are generated due to the decline of floating drilling platform 1 is compensated for, to ensure marine riser vertical
The displacement in direction is constant always.Therefore the device has the characteristics that compensation efficiency height and system response time are fast, without outside
Other Hydraulic Elements participate in, and have the characteristics that response is sensitive, it is ensured that the smooth drilling of drill bit.
Claims (8)
1. a kind of passive type deep-sea for ocean platform drilling well rises deep compensation device, it includes floating drilling platform (1), sets
The rack (2) being placed at the top of floating drilling platform (1) and the Drilling derrick (3) being set at the top of rack (2), feature exists
In: setting earrings screw (4) and well drilling hoist at the top of the floating drilling platform (1), earrings screw (4) and well drilling hoist difference
Left and right sides positioned at rack (2), the Drilling derrick (3) is interior to be provided with vertically arranged guide groove, and the top of guide groove is fixed
Have vertically arranged spring (5), the bottom of spring (5) is installed with the pressing plate (6) in guide groove, sliding in the guide groove
It is equipped with floating overhead traveling crane (7), floating overhead traveling crane (7) is located at immediately below pressing plate (6), is rotatably installed with its cylinder in floating overhead traveling crane (7)
On offer the center sheave (8) of multiple tracks wire casing, which further includes hook (9), marine riser (10), hook lifting rope
(11), wirerope (12), be respectively arranged at the displacement compensating mechanism I and right displacement compensating mechanism II of rack (2) left and right sides, it is described
Displacement compensating mechanism I and right displacement compensating mechanism II are symmetrical set；
The displacement compensating mechanism I includes first connecting rod (13), second connecting rod (14), directive wheel (15) and compensation hydraulic oil cylinder
(16), the lower end of first connecting rod (13) is articulated at the top of rack (2), and the other end of first connecting rod (13) is articulated with directive wheel
(15) middle part, one end of second connecting rod (14) are articulated with the middle part of directive wheel (15), and the other end of second connecting rod (14) is hinged
In the middle part of center sheave (8), compensation hydraulic oil cylinder (16), which is tilted to the right, to be set up, the cylinder barrel hinge of compensation hydraulic oil cylinder (16)
It is connected on rack (2), the piston rod of compensation hydraulic oil cylinder (16) is articulated with the bottom of floating overhead traveling crane (7), the wirerope (12)
Tail end be fixed on earrings screw (4), the head end of wirerope (12) around displacement compensating mechanism I directive wheel (15) multi-turn afterwards
It coils on center sheave (8), the head end of subsequent wirerope (12) is fixed afterwards around the directive wheel (15) of displacement compensating mechanism II
In on well drilling hoist, one end of the hook lifting rope (11) is fixed on floating overhead traveling crane (7), and the other end is fixed with hook (9), greatly
It is hung on hook (9) marine riser (10), intrinsic annular ring (17) is covered on marine riser (10)；
The heave compensator further includes the rolling-up mechanism I and rolling-up mechanism II for being located at Drilling derrick (3) left and right sides, winding
Mechanism I is by motor A(18), winding roller A(19) and drawstring A(20) form, motor A(18) it is fixed on floating drilling platform (1)
Top, motor A(18) output shaft with winding roller A(19) one end connect through shaft coupling, drawstring A(20) one end be fixed on
Wind roller A(19) on, the other end is welded in the left side of annular ring (17)；Rolling-up mechanism II is by motor B(21), winding roller B
(22) and drawstring B(23) composition, motor B(21) be fixed at the top of floating drilling platform (1), motor B(21) output shaft and receipts
Scroll cylinder B(22) one end connected through shaft coupling, drawstring B(23) one end be fixed on winding roller B(22) on, the other end welding
In the right side of annular ring (17)；
The heavy compensation device further includes accumulator (24) and control valve (25), is connected at the output port of the accumulator (24)
Control valve (25), the other end of control valve are connected with tee tube, two ports of tee tube respectively with two compensation hydraulic oil cylinders
(16) rodless cavity is connected to through pipeline (28).
2. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the well drilling hoist includes motor C(26), winding roller C(27) and retarder, the motor C(26) and retarder
Be all set at the top of floating drilling platform (1), motor C(26) output shaft and the input shaft of retarder connected through shaft coupling, subtract
The output shaft of fast device is connected with winding roller C(27 through shaft coupling).
3. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the head end of the wirerope (12) around displacement compensating mechanism II directive wheel (15) after be fixed on winding roller C
(27) on.
4. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the hook (9) is located at below floating drilling platform (1).
5. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the through slot immediately below Drilling derrick (3) is offered on the floating drilling platform (1).
6. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the hook lifting rope (11) is arranged through through slot.
7. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the rolling-up mechanism I and rolling-up mechanism II is symmetrical set about Drilling derrick (3).
8. a kind of passive type deep-sea for ocean platform drilling well according to claim 1 rises deep compensation device, special
Sign is: the accumulator (24) is set on rack (2).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198195.XA CN109098675A (en) | 2018-10-15 | 2018-10-15 | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well |
| CA3050787A CA3050787C (en) | 2018-10-15 | 2019-01-24 | Passive deep-ocean heave compensation device for ocean platform drilling |
| PCT/CN2019/072904 WO2020077910A1 (en) | 2018-10-15 | 2019-01-24 | Passive type deep sea heave compensation device for ocean platform drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198195.XA CN109098675A (en) | 2018-10-15 | 2018-10-15 | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109098675A true CN109098675A (en) | 2018-12-28 |
Family
ID=64868778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811198195.XA Pending CN109098675A (en) | 2018-10-15 | 2018-10-15 | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109098675A (en) |
| WO (1) | WO2020077910A1 (en) |
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| CN110304218A (en) * | 2019-05-26 | 2019-10-08 | 西华大学 | For providing the manned platform in safety moving path in body surface |
| CN110513042A (en) * | 2019-09-16 | 2019-11-29 | 中国铁建重工集团股份有限公司 | Horizontal coring drilling machine and direction adjusting system thereof |
| CN110821487A (en) * | 2019-11-25 | 2020-02-21 | 中国石油大学(华东) | Detection apparatus for underground petroleum crude oil or fluid hydrocarbon concentration |
| WO2020077910A1 (en) * | 2018-10-15 | 2020-04-23 | 西南石油大学 | Passive type deep sea heave compensation device for ocean platform drilling |
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| CN112249252A (en) * | 2020-10-12 | 2021-01-22 | 广东海洋大学 | Floating platform with balance compensation device |
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| CN114233212A (en) * | 2021-12-28 | 2022-03-25 | 西南石油大学 | Offshore drilling platform heave compensation device capable of generating power |
| CN114233212B (en) * | 2021-12-28 | 2023-08-11 | 西南石油大学 | But offshore drilling platform heave compensation device of electricity generation formula |
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