CN110043212A - Assist riser pipe mud extraction device - Google Patents
Assist riser pipe mud extraction device Download PDFInfo
- Publication number
- CN110043212A CN110043212A CN201910380001.6A CN201910380001A CN110043212A CN 110043212 A CN110043212 A CN 110043212A CN 201910380001 A CN201910380001 A CN 201910380001A CN 110043212 A CN110043212 A CN 110043212A
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- Prior art keywords
- riser pipe
- ontology
- standpipe
- jet
- wall
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/03—Freeing by flushing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Abstract
This application provides a kind of auxiliary riser pipe mud extraction devices, comprising: hollow ontology, ontology is used to be set on the outer wall of riser pipe and this physical efficiency is moved down along the outer wall of riser pipe；Jet stream manifold, jet stream manifold are set on ontology；First jet is provided on jet stream manifold, first jet opens wide downwards, and when ontology is moved down along the outer wall of riser pipe, the high-pressure fluid in jet stream manifold can flow out by the bottom of first jet towards riser pipe and impact the clay of riser pipe bottom periphery；Ontology includes domed first part and second part, first part and second part can circumferentially splice can be set on the outer wall of riser pipe, the side of first part and second part circumferentially connects with being able to rotate, and the other side of first part and second part circumferentially snaps connection.The application embodiment provides a kind of auxiliary riser pipe mud extraction device, and can reduce riser pipe above proposes difficulty, improves operating efficiency.
Description
Technical field
This application involves field of ocean engineering more particularly to a kind of auxiliary riser pipe mud extraction devices.
Background technique
Auxiliary riser pipe mud extraction device can be used for that workover rig is assisted above to mention recycling riser pipe.With offshore oil and gas field
The passage of development and production time, part oil gas field are worth without the economic exploitation.Exist in addition, riser pipe at sea leaves unused for a long time
Major safety risks, the metal ion content that seawater can be continuously increased in water the corrosion of riser pipe structure, to cause to give birth to
State environmental degradation.Therefore, each Gas Company need to carry out discarded well head to throw aside operation, below mud line at 4m to riser pipe into
Row cutting, and above propose recycling.
Riser pipe mud extraction device in the prior art mainly uses the workover rig on production platform to carry out.But due to life
The power for producing the workover rig on platform is lower, so the active force that workover rig above mentions riser pipe is smaller, and then water proof is caused to be led
Pipe above proposes operation difficulty.Further, be located at due to the bottom of riser pipe in the clay in seabed, and the clay in seabed to every
The lateral frictional force of water conduit is big, thus increase riser pipe above proposes difficulty.
Summary of the invention
In view of this, the application embodiment provides a kind of auxiliary riser pipe mud extraction device, water proof can be reduced and led
Pipe above proposes difficulty, improves operating efficiency.
To achieve the above object, this application provides the following technical solutions: a kind of auxiliary riser pipe mud extraction device, packet
Include: hollow ontology, the ontology is used to be set on the outer wall of riser pipe and described physical efficiency is along the riser pipe
Outer wall moves down；Jet stream manifold, the jet stream manifold are arranged on the body；The first spray is provided on the jet stream manifold
Mouth, the first jet open wide downwards, and when the ontology is moved down along the outer wall of the riser pipe, the jet pipe
High-pressure fluid in remittance can be flowed out by the bottom of the first jet towards the riser pipe and impact the riser pipe
The clay of bottom periphery.
As a preferred embodiment, the ontology includes domed first part and second part, described
A part of and described second part can circumferentially splice can be set on the outer wall of the riser pipe, the first part and
The side of the second part circumferentially connects with being able to rotate, the other side of the first part and the second part circumferentially
It snaps connection.
It can be with the outer wall phase of the riser pipe as a preferred embodiment, being provided on the inner wall of the ontology
The pulley of contact.
As a preferred embodiment, the pulley is multiple, circumferential direction row of multiple pulleys along the ontology
Cloth.
As a preferred embodiment, the jet stream manifold include the standpipe that is set in the side wall of the ontology and
Transverse tube, the standpipe along the ontology extending direction extend, the transverse tube along the ontology circumferentially extending, the transverse tube with
The standpipe is connected, and is provided on the transverse tube for injecting the input terminal in the jet stream manifold for high-pressure fluid, described
First jet is set on the standpipe.
As a preferred embodiment, the transverse tube extends along direction with opposite facing first end and second
End, the standpipe include the first standpipe and the second of the second end for being set to the transverse tube for the first end for being set to the transverse tube
Standpipe, the input terminal is between first standpipe and second standpipe.
As a preferred embodiment, being provided with the second nozzle being open upwards on the jet stream manifold.
As a preferred embodiment, the jet stream manifold includes the standpipe being set in the side wall of the ontology,
The second nozzle is located at the upper end of the standpipe, and the first jet is located at the lower end of the standpipe, also sets on the standpipe
The third nozzle being equipped between the first jet and the second nozzle, the third nozzle open wide downwards.
As a preferred embodiment, the jet stream manifold includes the standpipe being set in the side wall of the ontology,
The second nozzle is two, and two second nozzles are tilted from the inner side and outer side that the standpipe is respectively facing the ontology
It upwardly extends.
As a preferred embodiment, being provided with the hanging ring for wearing for cord outside on the ontology.
By above technical solution, auxiliary riser pipe mud extraction device described in the application embodiment passes through setting originally
Simultaneously jet stream manifold is arranged in body on the body, the clay of riser pipe bottom periphery is broken up, and then reduce riser pipe
The clay of the bottom periphery frictional force lateral to riser pipe.The difficulty that workover rig above mentions riser pipe is so reduced, improves and makees
Industry efficiency.Therefore, the application embodiment provides a kind of auxiliary riser pipe mud extraction device, can reduce the upper of riser pipe
Difficulty is proposed, operating efficiency is improved.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the auxiliary riser pipe mud extraction device of the application embodiment；
Fig. 2 is the main view of the auxiliary riser pipe mud extraction device of the application embodiment；
Fig. 3 is the cross-sectional view in Fig. 2 along the direction A-A；
Fig. 4 is the expanded schematic diagram of the auxiliary riser pipe mud extraction device of the application embodiment；
Fig. 5 is the cross-sectional view in Fig. 4 along the direction B-B.
Description of symbols:
11, ontology；13, first jet；15, second nozzle；17, third nozzle；19, jet stream manifold；21, first part；
23, second part；25, pulley；29, transverse tube；31, input terminal；33, the first standpipe；35, the second standpipe；37, hanging ring；39, backstop
Plate；41, snap ring；43, hinge；45, standpipe.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
Please refer to Fig. 1 to Fig. 5, a kind of auxiliary riser pipe mud extraction device provided by present embodiment, comprising: hollow
Ontology 11, the ontology 11 is used to be set on the outer wall of riser pipe and the ontology 11 can be along the outer wall of the riser pipe
It moves down；Jet stream manifold 19, the jet stream manifold 19 are set on the ontology 11；Is provided on the jet stream manifold 19
One nozzle 13, the first jet 13 open wide downwards, and when the ontology 11 is moved down along the outer wall of the riser pipe,
High-pressure fluid in the jet stream manifold 19 can be flowed out and be rushed by the bottom of first jet 13 towards the riser pipe
Hit the clay of the riser pipe bottom periphery.
In use, ontology 11 is set on the outer wall of riser pipe first, so that ontology 11 is under gravity
Outer wall along riser pipe moves down.Then high-pressure fluid is inputted into jet stream manifold 19 by input terminal 31, so that
When ontology 11 is moved down along the outer wall of riser pipe, high-pressure fluid in jet stream manifold 19 can by first jet 13 towards every
It flows out and impacts the clay of riser pipe bottom periphery in the bottom of water conduit.To which the clay of riser pipe bottom periphery be rushed
It dissipates, so reduces the clay of the riser pipe bottom periphery frictional force lateral to riser pipe.And then reduce workover rig above mention every
The difficulty of water conduit improves operating efficiency.
The auxiliary riser pipe mud extraction device described in the application embodiment it can be seen from above scheme is by being arranged this
Body 11 simultaneously on ontology 11 be arranged jet stream manifold 19, the clay of riser pipe bottom periphery is broken up, so reduce every
The clay of the water conduit bottom periphery frictional force lateral to riser pipe.The difficulty that workover rig above mentions riser pipe is so reduced,
Improve operating efficiency.
As shown in Fig. 2, in the present embodiment, ontology 11 is in the form of a column on the whole.And the columnar ontology 11 is in hollow knot
Structure.The hollow space is formed the perforative through channel of ontology 11.To which ontology 11 can be sheathed on water proof by the through channel
On the outer wall of conduit.Further, when ontology 11 is set on the outer wall of riser pipe, ontology 11 can be in the effect of its gravity
The lower outer wall along riser pipe moves down；And then it progresses into the clay in seabed.
In one embodiment, ontology 11 includes domed first part 21 and second part 23.Specifically, this
A part 21 and second part 23 are oppositely arranged on the extending direction of ontology 11.Such as shown in Figure 1, ontology 11 is vertically square
To extension.The first part 21 and second part 23 are oppositely arranged in the up-down direction.Further, first part 21 is along ontology
The cross section semicircular in shape of 11 extending directions.Cross section semicircular in shape of the second part 23 along 11 extending direction of ontology.Certainly should
First part 21 is not limited to along the cross section of 11 extending direction of ontology and second part 23 along the cross section of 11 extending direction of ontology
For semicircle, circle of the first part 21 along the cross section of 11 extending direction of ontology for a quarter can also be.Second part
23 along the cross section of 11 extending direction of ontology be 3/4ths circle.This application is not provided.
Further, the first part 21 and second part 23 can circumferentially splice can be set in the outer wall of riser pipe
On.Specifically, as shown in Figure 1, the radius of the radius of the domed first part 21 and domed second part 23 is equal.
So that the first part 21 and second part 23 can be formed with general when first part 21 and second part 23 circumferentially splice
The cylindrical body of its through channel penetrated through.And the cross section of through channel is circle.
Further, the side of first part 21 and second part 23 circumferentially connects with being able to rotate.This connects with being able to rotate
It connects for example, as shown in figure 4, can be and be attached first part 21 and second part 23 by hinge 43.Certainly, this can turn
It connects dynamicly and is not limited to connect by hinge 43, can also be other connection types, such as pin shaft connection, to this application
It does not provide.The other side of first part 21 and second part 23 circumferentially snaps connection.Specifically, first part 21 is another
Baffle plate 39 is provided on the outer wall of side.Snap ring 41 is provided on the outer wall of the other side of second part 23.The baffle plate 39
It can protrude into the snap ring 41, and then the other side of first part 21 is connected with the other side of second part 23.And then pass through
First part 21 and second part 23 snap connection, so that when riser pipe is arranged in ontology 11, the inner wall energy of ontology 11
It is in contact with the outer wall of riser pipe.To avoid ontology 11 from radially shaking when the outer wall along riser pipe moves down.
Further, the pulley 25 that can be in contact with the outer wall of riser pipe is provided on the inner wall of ontology 11.To logical
It crosses pulley 25 to be in contact with the outer wall of riser pipe, when so that ontology 11 moving down, pulley 25 can be in the outer wall of riser pipe
Upper rolling.So that the friction between pulley 25 and riser pipe is rolling friction, and then for sliding friction, it is sliding
Friction is small between wheel 25 and riser pipe, is so conducive to 11 slide downward of ontology.
Further, pulley 25 is multiple, multiple being circumferentially arranged along ontology 11 of pulley 25.Specifically, pulley 25 is 4
It is a.Two of them pulley 25 is set on the inner wall of first part 21.Two pulleys 25 are set on the inner wall of second part 23.
So that the inner wall of ontology 11 can be circumferentially in contact by 4 pulleys 25 with the outer wall of riser pipe, this so ensure that
It is rolling friction between the inner wall of body 11 and the outer wall of riser pipe.Certain pulley 25 is not limited to 4, can also be other
Quantity, such as 5,6,7 etc., this application is not provided.
In the present embodiment, jet stream manifold 19 is set on ontology 11.Specifically, the jet stream manifold 19 can be set in
On the inner wall of ontology 11.The jet stream manifold 19, which can also be, to be set on the outer wall of ontology 11.Certain jet stream manifold 19 may be used also
To be set in the side wall of ontology 11.Preferably, in order to reduce the volume of ontology 11, jet stream manifold 19 is set to the side of ontology 11
In wall.Further, it is provided on jet stream manifold 19 for injecting the input terminal 31 in the jet stream manifold 19 for high-pressure fluid.From
And by injecting high-pressure fluid in jet stream manifold 19, so that having high-pressure fluid in jet stream manifold 19.Specifically, the input terminal
31 include being set to the opening on jet stream manifold 19 and the connecting tube with the opening in communication.
In the present embodiment, first jet 13 is provided on jet stream manifold 19.The first jet 13 opens wide downwards.To
High-pressure fluid in jet stream manifold 19 is flowed downward out by the first jet 13.Further, in ontology 11 along water proof
When the outer wall of conduit moves down, high-pressure fluid in jet stream manifold 19 can be by first jet 13 towards the bottom of riser pipe
Flow out and impact the clay of riser pipe bottom periphery.Specifically, riser pipe vertically extends.And the riser pipe edge
Its extending direction has opposite facing top and bottom.The bottom of the riser pipe is located in the clay in seabed.Work as high-pressure fluid
When being flowed out by the bottom of first jet 13 towards riser pipe and impacting the clay of riser pipe bottom periphery, riser pipe bottom
Clay around portion can be broken up, and then the frictional force that the clay for reducing riser pipe bottom periphery is lateral to riser pipe.Such as
This reduces the difficulty that workover rig above mentions riser pipe, improves operating efficiency.Specifically, first jet 13 and jet stream manifold 19 is interior
Portion is connected.So that the high-pressure fluid in jet stream manifold 19 can be flowed out by the first jet 13.
In one embodiment, jet stream manifold 19 includes the standpipe 45 and transverse tube 29 being set in the side wall of ontology 11.
Standpipe 45 extends along the extending direction of ontology 11, circumferentially extending of the transverse tube 29 along ontology 11.Specifically, as shown in figure 5, ontology 11
It vertically extends, standpipe 45 vertically extends.Transverse tube 29 horizontal plane circumferentially.Transverse tube 29 and 45 phase of standpipe
Connection.It is provided on transverse tube 29 for for the input terminal 31 in high-pressure fluid injection jet stream manifold 19.First jet 13 is set to
On standpipe 45.So as to inject high-pressure fluid into transverse tube 29 by input terminal 31, so that high-pressure fluid can pass through transverse tube 29
It flows into standpipe 45, to be flowed out from the first jet 13 on standpipe 45.
Further, which is two.Two jet stream manifolds 19 are located at first part 21 and second
In part 23.To be carried out along the circumferential clay to riser pipe bottom periphery of riser pipe by two jet stream manifolds 19
Impact so reduces the time for breaking up clay and improves the effect for breaking up clay.
Further, transverse tube 29 extends along direction with opposite facing first end and second end.Such as shown in figure 3,
The first end of transverse tube 29 is left end.The second end of transverse tube 29 is right end.Standpipe 45 include be set to transverse tube 29 first end the
Second standpipe 35 of one standpipe 33 and the second end for being set to transverse tube 29.Namely first standpipe 33 be located at the left end of transverse tube 29.The
Two standpipes 35 are located at the right end of transverse tube 29.Input terminal 31 is between the first standpipe 33 and the second standpipe 35.To when by defeated
Entering end 31 into transverse tube 29 when input high-pressure fluid, the high-pressure fluid in transverse tube 29 can be flowed to the first standpipe 33 of left end, from
And it is flowed downward out from the first jet 13 of the first standpipe 33.And the high-pressure fluid in transverse tube 29 also can be to the second standpipe 35 of right end
Flowing, to be flowed downward out from the first jet 13 of the second standpipe 35.So that the first standpipe 33 and the second standpipe can be passed through
35 respectively impact the clay of riser pipe bottom periphery, so reduce break up clay time and improving break up it is glutinous
The effect of soil.
In one embodiment, the second nozzle 15 being open upwards is provided on jet stream manifold 19.So that jet stream
High-pressure fluid in manifold 19 can be flowed upwards out by second nozzle 15.Since the high-pressure fluid in jet stream manifold 19 passes through second
When nozzle 15 flows upwards out, the fluid in the second nozzle 15 will apply downward impact force to ontology 11, so that this
Body 11 can not only move down under gravity, moreover it is possible to it is moved down under the active force of the fluid of second nozzle 15, because
This increases the depth that ontology 11 enters in the clay of seabed.
Further, second nozzle 15 is located at the upper end of standpipe 45.Specifically, second nozzle 15 is two, two second
Nozzle 15 tilts upward extension from the inner side and outer side that standpipe 45 is respectively facing ontology 11.Further, each second nozzle 15
Aperture gradually become smaller on by 45 outwardly direction of standpipe.So increase the high-pressure fluid outflow in each second nozzle 15
Speed.And then increase the active force that the high-pressure fluid in each second nozzle 15 applies ontology 11.
Further, first jet 13 is located at the lower end of standpipe 45.Specifically, first jet 13 is three, two of them
First jet 13 is extended obliquely downward from the inner side and outer side that standpipe 45 is respectively facing ontology 11.One first jet 13 vertically to
Lower extension.And the first jet extended straight down 13 is located between two first jets 13 extended obliquely downward.So
The clay inside and outside ontology 11 can be impacted by two first jets extended obliquely downward 13, break up clay to improve
Speed.And the first jet 13 by extending straight down impacts clay, to improve the speed for breaking up clay.Further
The aperture on ground, each first jet 13 gradually becomes smaller on by 45 outwardly direction of standpipe.So increase each first jet
The speed of high-pressure fluid outflow in 13.And then the high-pressure fluid in each first jet 13 is increased to the impact force of clay.
Further, the third nozzle 17 being additionally provided on standpipe 45 between first jet 13 and second nozzle 15.
Such as shown in figure 5, third nozzle 17 is the middle section with standpipe 45.Third nozzle 17 opens wide downwards.To in standpipe 45
High-pressure fluid can be flowed downward out by third fluid, and then the clay in seabed is impacted.To pass through third nozzle 17
The speed for breaking up clay can be improved.Specifically, third nozzle 17 is two, and two third nozzles 17 are respectively facing this from standpipe 45
The inner side and outer side of body 11 extends obliquely downward.Further, the aperture of each third nozzle 17 is in the side outside by standpipe 45
It gradually becomes smaller upwards.So increase the speed of the high-pressure fluid outflow in each third nozzle 17.And then increase each the
The impact force of high-pressure fluid in three nozzles 17 to clay.
Further, the hanging ring 37 for wearing for cord outside is provided on ontology 11.So as to which cord outside is worn
In hanging ring 37, so that when ontology 11 is moved down along the outer wall of riser pipe ontology 11 can be controlled by cord outside
The speed moved down, to guarantee that ontology 11 can be moved along the outer wall of riser pipe stabilization.
It should be noted that term " first ", " second " etc. are used for description purposes only and distinguish in the description of the present application
Similar object between the two and is not present sequencing, can not be interpreted as indication or suggestion relative importance.In addition,
In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
Claims (10)
1. a kind of auxiliary riser pipe mud extraction device characterized by comprising
Hollow ontology, the ontology is used to be set on the outer wall of riser pipe and described physical efficiency is along the riser pipe
Outer wall moves down；
Jet stream manifold, the jet stream manifold are arranged on the body；It is provided with first jet on the jet stream manifold, described
One nozzle opens wide downwards, and the height when the ontology is moved down along the outer wall of the riser pipe, in the jet stream manifold
Pressure fluid can be flowed out by the bottom of the first jet towards the riser pipe and impact the riser pipe bottom periphery
Clay.
2. auxiliary riser pipe mud extraction device according to claim 1, it is characterised in that: the ontology includes domed
First part and second part, the first part and the second part can circumferentially splice can be set in the water proof and lead
On the outer wall of pipe, the side of the first part and the second part circumferentially connects with being able to rotate, the first part and
The other side of the second part circumferentially snaps connection.
3. auxiliary riser pipe mud extraction device according to claim 1, it is characterised in that: be arranged on the inner wall of the ontology
There is the pulley that can be in contact with the outer wall of the riser pipe.
4. auxiliary riser pipe mud extraction device according to claim 3, it is characterised in that: the pulley be it is multiple, it is multiple
The pulley is circumferentially arranged along the ontology.
5. auxiliary riser pipe mud extraction device according to claim 1, it is characterised in that: the jet stream manifold includes setting
In standpipe and transverse tube in the side wall of the ontology, the standpipe extends along the extending direction of the ontology, and the transverse tube is along institute
The circumferentially extending of ontology is stated, the transverse tube is connected with the standpipe, is provided on the transverse tube for injecting for high-pressure fluid
Input terminal in the jet stream manifold, the first jet are set on the standpipe.
6. auxiliary riser pipe mud extraction device according to claim 5, it is characterised in that: the transverse tube extends along direction
With opposite facing first end and second end, the standpipe includes the first standpipe and the setting for the first end for being set to the transverse tube
In the second standpipe of the second end of the transverse tube, the input terminal is between first standpipe and second standpipe.
7. auxiliary riser pipe mud extraction device according to claim 1, it is characterised in that: be provided on the jet stream manifold
The second nozzle being open upwards.
8. auxiliary riser pipe mud extraction device according to claim 7, it is characterised in that: the jet stream manifold includes setting
Standpipe in the side wall of the ontology, the second nozzle are located at the upper end of the standpipe, and the first jet is located at described
The lower end of standpipe, the third nozzle being additionally provided on the standpipe between the first jet and the second nozzle, institute
Third nozzle is stated to open wide downwards.
9. auxiliary riser pipe mud extraction device according to claim 7, it is characterised in that: the jet stream manifold includes setting
Standpipe in the side wall of the ontology, the second nozzle are two, and two second nozzles are from standpipe court respectively
Extension is tilted upward to the inner side and outer side of the ontology.
10. auxiliary riser pipe mud extraction device according to claim 1, it is characterised in that: be arranged on the ontology useful
In the hanging ring worn for cord outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380001.6A CN110043212B (en) | 2019-05-08 | 2019-05-08 | Auxiliary water-stop conduit mud outlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380001.6A CN110043212B (en) | 2019-05-08 | 2019-05-08 | Auxiliary water-stop conduit mud outlet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110043212A true CN110043212A (en) | 2019-07-23 |
| CN110043212B CN110043212B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910380001.6A Active CN110043212B (en) | 2019-05-08 | 2019-05-08 | Auxiliary water-stop conduit mud outlet device |
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| CN110043212B (en) | 2023-10-24 |
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