CN109915040A - A kind of marine riser stretcher sliding system and application method - Google Patents
A kind of marine riser stretcher sliding system and application method Download PDFInfo
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- CN109915040A CN109915040A CN201910045038.3A CN201910045038A CN109915040A CN 109915040 A CN109915040 A CN 109915040A CN 201910045038 A CN201910045038 A CN 201910045038A CN 109915040 A CN109915040 A CN 109915040A
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- stretcher
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- pedestal
- well head
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Abstract
The invention discloses a kind of marine riser stretcher sliding system and application methods, which is set on rig floor, including stretcher guide assembly and leading block guide assembly；Tight device guide assembly includes stretcher guide rail, stretcher pedestal and stretcher, and the left side and right side of rig floor are equipped with stretcher guide rail, and stretcher pedestal is equipped on two stretcher guide rails, and the upper surface of two stretcher pedestals is equipped with stretcher；Leading block guide assembly includes leading block guide rail, pulley seat and leading block, rig floor lower end surface is equipped with leading block guide rail along the length direction of rig floor, the lower end surface of leading block track is equipped with leading block pedestal, and the lower end surface of leading block pedestal is equipped with leading block.Sliding system provided by the invention and application method can be realized slip operation of traditional wire rope type riser stretcher between two well heads, meet the requirement that the floating drilling rigs such as drill ship or drilling platforms use double-wellhead operation.
Description
Technical field
The present invention relates to a kind of sliding system and application method more particularly to a kind of marine riser stretcher sliding system and make
Use method.
Background technique
As Oil And Gas Exploration And Development moves towards deep water, ultra-deep-water sea area, deepwater drilling technology and equipment become overdevelopment
Point, the technical requirements such as operating water depth, the drilling depth of deep water drilling arrangements are more advanced, the configuration to well system it is also proposed that
Higher requirement.The deep water floating drilling rig of mainstream mostly configures double-wellhead operating system at present, to improve drillng operation
Efficiency.
The riser system of floating drilling rig is by the axial tensile force or upward buoyancy for acting on riser top
To support.At sea in drilling operation course, stretcher controls the stress intensity of riser system, and affects water proof piping
The curvature of system.
Currently, there are mainly two types of patterns for floating drilling rig marine riser stretcher: one is traditional wirerope patterns；Separately
A kind of pattern directly acted on for novel hydraulic cylinder.Since the marine riser stretcher of hydraulic cylinder direct acting type is arranged in moon pool
Interior, the space for occupying moon pool is too many, is unfavorable for the operation of other systems in moon pool area, and the water proof of hydraulic cylinder direct acting type
Pipe stretcher can make the height of rig floor design opposite raising, be unfavorable for hull stability, therefore, deepwater drilling ship mostly uses traditional steel
Cord formula stretcher.
Traditional steel wire rope type stretcher mainly include with the hydraulic tensioning cylinder of gas-liquid accumulator, safety valve, leading block,
Compressed air sled, long-range control panel and compressed air bottle group etc..Stretcher hydraulic cylinder and accumulator are typically mounted on the four of rig floor
It is connect by the leading block being mounted under rig floor with marine riser in week.Tradition steel wire rope type stretcher also cannot achieve edge at present
Moon pool sliding, seriously affects double-wellhead work flow and efficiency.
To sum up, the existing generally existing following problems of marine riser stretcher: (1) space for occupying moon pool is too many；(2) rig floor
Height design is higher to be unfavorable for hull stability；(3) stretcher also cannot achieve slides along moon pool, seriously affects double-wellhead job stream
Journey and efficiency.
Therefore, the space for occupying moon pool for existing marine riser stretcher is too many, rig floor height design is higher is unfavorable for
Hull stability and stretcher also cannot achieve the problems such as sliding along moon pool, seriously affecting double-wellhead work flow and efficiency, at
For those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The present invention is to solve existing marine riser stretcher to be unfavorable for stability of hull and seriously affect double-wellhead job stream
The problems such as journey and efficiency, provides a kind of marine riser stretcher sliding system and application method.
To achieve the above object, the invention adopts the following technical scheme:
The first aspect of the invention is set on rig floor there is provided a kind of marine riser stretcher sliding system, including
Stretcher guide assembly and leading block guide assembly, the tight device guide assembly include stretcher guide rail, stretcher pedestal with
And several stretchers, the left side and right side of the rig floor are equipped with the stretcher guide rail, two stretcher guide rails
On be equipped with the stretcher pedestal, the upper surface of two stretcher pedestals is equidistantly equipped with several stretchers；
The leading block guide assembly includes leading block guide rail, pulley seat and several leading blocks, the rig floor lower end surface
Middle part is set along the length direction of the rig floor there are two the leading block guide rail, the lower end of two leading block tracks
Face is equipped with the leading block pedestal, and the lower end surface of two leading block pedestals is equidistantly equipped with several guiding
Pulley.
Further, stretcher driving device is equipped in several stretchers between two adjacent stretchers, if
Do the upper surface that the stretcher driving device is set to the stretcher pedestal.
Further, pulley drive device is equipped in several leading blocks between two adjacent leading blocks,
Several pulley drive devices are set to the lower end surface of the leading block pedestal.
Further, the quantity of several stretchers is 6-8.
Further, the first well head and the second well are offered from top to bottom in the vertical direction of the lower end surface of the rig floor
Mouthful.
Further, two leading block tracks are with the line two sides pair between first well head and the second well head
Claim setting.
Further, two stretcher guide rails are consistent with the length of the left side of the rig floor and right side.
Further, two leading block tracks are identical as the length of two stretcher guide rails.
Further, several leading blocks are identical as the quantity of several stretchers.
The second aspect of the invention is including following there is provided a kind of application method of marine riser stretcher sliding system
Step:
Step 1: the stretcher pedestal carries the stretcher and the stretcher driving device moves to first well
The position of mouth, the leading block pedestal carries the leading block and the pulley drive device moves to first well head
Position；
Step 2: starting several stretcher driving devices and several pulley drive devices, the tensioning simultaneously
Device pedestal carries several stretcher driving devices of several stretchers from first well head to second well head
Position sliding；The leading block pedestal carries several leading blocks and several pulley drive devices described in simultaneously
First well head slides to the position of second well head；
Step 3: when at the position that the stretcher pedestal and the leading block pedestal reach second well head,
Several stretcher driving devices and several pulley drive devices are simultaneously closed off, several stretchers and several institutes are made
Leading block is stated to rest at the position of second well head.
The present invention by adopting the above technical scheme, compared with prior art, has the following technical effect that
Marine riser stretcher sliding system of the invention is realized by stretcher guide assembly and leading block guide assembly
Slip operation of traditional wire rope type riser stretcher between two well heads meets the floating type well drillings such as drill ship or drilling platforms dress
The requirement using double-wellhead operation is set, drillng operation efficiency is improved.
Detailed description of the invention
Fig. 1 is the schematic view of facade structure of marine riser stretcher sliding system of the present invention；
Fig. 2 is the planar structure schematic diagram of marine riser stretcher sliding system of the present invention；
Fig. 3 is the plane that stretcher and directive slide track are moved to the second well head in marine riser stretcher sliding system of the present invention
Structural schematic diagram；
Wherein, each appended drawing reference are as follows:
1- stretcher, 11- stretcher pedestal, 12- stretcher guide rail, 13- stretcher driving device；2- leading block；21-
Leading block pedestal, 22- leading block guide rail, 23- pulley drive device；3- rig floor；The first well head of 4-；The second well head of 5-.
Specific embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
As shown in Figs. 1-2, it the embodiment of the invention provides a kind of marine riser stretcher sliding system, is set on rig floor 3,
It is characterised in that it includes stretcher guide assembly and leading block guide assembly, the tight device guide assembly includes that stretcher is led
Rail 12, stretcher pedestal 11 and several stretchers 1, the left side and right side of the rig floor 3 are equipped with the stretcher and lead
Rail 12 is equipped with the stretcher pedestal 11 on two stretcher guide rails 12, and stretcher pedestal 11 can be led along stretcher
Rail 12 is moved at the second well head of position 5 by the first well head of position 4, and the left side of two stretcher guide rails 12 and rig floor 3
It is consistent with the length of right side.The upper surface of two stretcher pedestals 11 is equidistantly equipped with several stretchers 1；Institute
Stating leading block guide assembly includes leading block guide rail 22, pulley seat 21 and several leading blocks 2, under the rig floor 3
Set along the length direction of the rig floor 3 that there are two the leading block guide rail 22, two leading block rails in the middle part of end face
The lower end surface in road 22 is equipped with the leading block pedestal 21, and the lower end surface of two leading block pedestals 21 is equidistantly set
There are several leading blocks 2, leading block pedestal 21 can be moved to along leading block guide rail 22 by the first well head of position 4
At the second well head of position 5.
The one side of the present embodiment is equipped with tensioning as shown in Figs. 1-2 between two adjacent tension devices 1 in several stretchers 1
Device driving device 13, the size of stretcher pedestal 11 can accommodate multiple stretchers 1 and multiple stretcher shift drives 13；
Several stretcher driving devices 13 are set to the upper surface of stretcher pedestal 11, and several stretchers 1 are by being arranged in stretcher
Stretcher driving device 13 on guide rail 12 drives, and realizes the movement of stretcher 1.
The one side of the present embodiment is equipped between two adjacent leading blocks 2 in several leading blocks 2 as shown in Figs. 1-2
Pulley drive device 23, several pulley drive devices 23 are set to the lower end surface of leading block pedestal 21, and several leading blocks 2 are
Pulley drive device 23 by the way that 21 lower end of leading block pedestal is arranged in drives the movement to realize leading block 2.
The one side of the present embodiment, as shown in Fig. 2, matching for floating drilling rigs such as deepwater drilling ship or drilling platforms
The quantity for the stretcher 1 set is 6-8, is arranged symmetrically in 3 two sides of rig floor, stretcher shift drive 13 is mountable two
Between a stretcher 1.
The one side of the present embodiment, as shown in Figure 1-3, offered from top to bottom in the vertical direction of the lower end surface of rig floor 3
First well head 4 and the second well head 5, stretcher 1 and leading block 2 can move between the first well head 4 and the second well head 5 to realize
Sliding between two well heads.
The one side of the present embodiment, as shown in Figure 1-3, two leading block guide rails 22 are parallel to moonpool openings length
Direction, and two leading block tracks 22 are symmetrical arranged with the line two sides between the first well head 4 and the second well head 5.Guiding is slided
Take turns the length and 12 equal length of stretcher guide rail of guide rail 22.
The embodiment of the present invention provides a kind of application method of marine riser stretcher sliding system according to above-mentioned sliding system,
The following steps are included:
Step 1: stretcher pedestal 11 carries stretcher 1 and stretcher driving device 13 moves to the position of the first well head 4,
Leading block pedestal 21 carries leading block 2 and pulley drive device 23 moves to the position of the first well head 4；
Step 2: starting several stretcher driving devices 13 and several pulley drive devices 23, stretcher pedestal 11 simultaneously
It carries several stretcher driving devices 13 of several stretchers 1 and is slid from the first well head 4 to the position of the second well head 5；It is oriented to simultaneously
It is sliding from the first well head 4 to the position of the second well head 5 that pulley seat 21 carries several leading blocks 2 and several pulley drive devices 23
It moves；
Step 3: being simultaneously closed off when at the position that stretcher pedestal 11 and leading block pedestal 21 reach the second well head 5
Several stretcher driving devices 13 and several pulley drive devices 23 make several stretchers 1 and several leading blocks 2 rest on
At the position of two well heads 5.
The space that the present invention occupies moon pool for existing marine riser stretcher is too many, rig floor height design is higher is unfavorable for
Hull stability and stretcher also cannot achieve the problems such as sliding along moon pool, seriously affecting double-wellhead work flow and efficiency, this
Invention can be realized slip operation of traditional wire rope type riser stretcher between two well heads, meet drill ship or drilling platforms
Equal floating drilling rigs use the requirement of double-wellhead operation, improve drillng operation efficiency.
The specific embodiment of marine riser stretcher sliding system of the present invention and application method is described in detail above,
But it is merely an example, and the present invention is not restricted to particular embodiments described above.To those skilled in the art,
It is any that equivalent modifications and substitutions to the present invention are also within the scope of the present invention.Therefore, do not depart from it is of the invention
Made equal transformation and modification, all should be contained within the scope of the invention under spirit and scope.
Claims (10)
1. a kind of marine riser stretcher sliding system is set on rig floor (3), which is characterized in that including stretcher guide assembly
With leading block guide assembly；Wherein, the tight device guide assembly include stretcher guide rail (12), stretcher pedestal (11) and
Several stretchers (1), the left side and right side of the rig floor (3) are equipped with the stretcher guide rail (12), open described in two
It is equipped with the stretcher pedestal (11) on tight device guide rail (12), the upper surface of two stretcher pedestals (11) is equidistant
Equipped with several stretchers (1)；The leading block guide assembly include leading block guide rail (22), pulley seat (21) with
And several leading blocks (2), rig floor (3) the lower end surface middle part are set there are two described in along the length direction of the rig floor (3)
Leading block guide rail (22), the lower end surface of two leading block tracks (22) are equipped with the leading block pedestal (21),
The lower end surface of two leading block pedestals (21) is equidistantly equipped with several leading blocks (2).
2. marine riser stretcher sliding system according to claim 1, which is characterized in that in several stretchers (1)
Stretcher driving device (13) are equipped between two adjacent stretchers (1), several stretcher driving devices (13) are equal
Set on the upper surface of the stretcher pedestal (11).
3. marine riser stretcher sliding system according to claim 1, which is characterized in that several leading blocks (2)
In be equipped with pulley drive device (23) between two adjacent leading blocks (2), several pulley drive devices (23) are equal
Set on the lower end surface of the leading block pedestal (21).
4. marine riser stretcher sliding system according to claim 1, which is characterized in that several stretchers (1)
Quantity is 6-8.
5. marine riser stretcher sliding system according to claim 1, which is characterized in that the lower end surface of the rig floor (3)
Vertical direction on offer the first well head (4) and the second well head (5) from top to bottom.
6. marine riser stretcher sliding system according to claim 5, which is characterized in that two leading block tracks
(22) it is symmetrical arranged with the line two sides between first well head (4) and the second well head (5).
7. marine riser stretcher sliding system according to claim 1, which is characterized in that two stretcher guide rails
(12) consistent with the length of the left side of the rig floor (3) and right side.
8. marine riser stretcher sliding system according to claim 1, which is characterized in that two leading block tracks
(22) identical as the length of two stretcher guide rails (12).
9. marine riser stretcher sliding system according to claim 1, which is characterized in that several leading blocks (2)
It is identical as the quantity of several stretchers (1).
10. a kind of application method of the marine riser stretcher sliding system as described in claim any one of 1-9, which is characterized in that
The following steps are included:
Step 1: the stretcher pedestal (11) carries the stretcher (1) and the stretcher driving device (13) moves to institute
The position of the first well head (4) is stated, the leading block pedestal (21) carries the leading block (2) and the pulley drive device
(23) position of first well head (4) is moved to；
Step 2: start several stretcher driving devices (13) and several pulley drive devices (23) simultaneously, it is described
Stretcher pedestal (11) carries several several stretcher driving devices (13) of stretcher (1) from first well head
(4) the position sliding of the second well head of Xiang Suoshu (5)；The leading block pedestal (21) carries several leading blocks simultaneously
(2) it is slid with several pulley drive devices (23) from the position of the first well head (4) second well head of Xiang Suoshu (5)；
Step 3: when the stretcher pedestal (11) and the leading block pedestal (21) reach the position of second well head (5)
When setting place, several stretcher driving devices (13) and several pulley drive devices (23) are simultaneously closed off, several institutes are made
It states stretcher (1) and several leading blocks (2) rests at the position of second well head (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045038.3A CN109915040B (en) | 2019-01-17 | 2019-01-17 | Riser tensioner sliding system and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045038.3A CN109915040B (en) | 2019-01-17 | 2019-01-17 | Riser tensioner sliding system and using method |
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| Publication Number | Publication Date |
|---|---|
| CN109915040A true CN109915040A (en) | 2019-06-21 |
| CN109915040B CN109915040B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045038.3A Active CN109915040B (en) | 2019-01-17 | 2019-01-17 | Riser tensioner sliding system and using method |
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| CN110296821A (en) * | 2019-06-27 | 2019-10-01 | 宝鸡石油机械有限责任公司 | A kind of wire rope type riser stretcher compensation function experimental rig and test method |
| CN110685615A (en) * | 2019-10-25 | 2020-01-14 | 四川宏华石油设备有限公司 | Marine drilling riser tensioner translation device and translation method |
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|---|---|
| CN109915040B (en) | 2021-06-15 |
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