CN109225622A - Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation - Google Patents
Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation Download PDFInfo
- Publication number
- CN109225622A CN109225622A CN201811223301.5A CN201811223301A CN109225622A CN 109225622 A CN109225622 A CN 109225622A CN 201811223301 A CN201811223301 A CN 201811223301A CN 109225622 A CN109225622 A CN 109225622A
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- Prior art keywords
- outer cylinder
- ring flange
- fluid
- drilling
- adsorbent equipment
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- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 239000003463 adsorbent Substances 0.000 title claims abstract description 24
- 239000011553 magnetic fluid Substances 0.000 title claims description 14
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 239000000696 magnetic material Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 abstract description 11
- 230000007123 defense Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000004323 axial length Effects 0.000 description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses fluid collection adsorbent equipments magnetic in a kind of drilling and repairing well operation, the adsorbent equipment, which is used as, is adsorbed and collected magnetic material entrained by the fluid in drilling well or workover treatment, the adsorbent equipment includes the axial outer cylinder with through-hole, the inner circumferential of the outer cylinder is fixed with ndfeb magnet, ndfeb magnet in the outer cylinder surrounds axial smooth runner in the circumferential, the outer cylinder axial seal is connected on the fluid line in drilling well or workover treatment, fluid in drilling well or workover treatment is when flowing through the runner of the adsorbent equipment, entrained magnetic material is adsorbed and collected by the ndfeb magnet in the outer cylinder in fluid.The present invention can adsorb magnetic material entrained in the fluid flowed through with the fixed ndfeb magnet of outer cylinder inner circumferential, collect, to which the magnetic junk to well head carries out the salvaging of Initiative Defense type, collection, well head magnetism junk is effectively prevented to fall into well, ensure that drilling well or workover treatment are gone on smoothly, it is practical, reliable.
Description
Technical field
The present invention relates to the magnetic materials entrained by the fluid media (medium) in drilling well or workover treatment including iron to salvage, receives
Collection technology, the adsorbent equipment of the magnetic fluid collection in specifically a kind of drilling well or workover treatment, is mainly used as preventing well
Lower junk.
Background technique
In the exploitation of oil/gas well, drilling well or well workover are a kind of basic operation modes.In drilling well or workover treatment, most
The major incentive be afraid of the generation of down-hole accident, and down-hole accident is caused to occur is because well head junk (mainly includes iron
Metal object including device) caused by.
In drilling well or workover treatment, the small-size magnetic object including iron in operating area is (including but not limited to
The metal objects such as all kinds of small size iron components or ironware tool), due to careless manipulation or the factors such as shakiness are placed, it can be by operation
Fluid-carry and fallen into well such as mud, to be easy to impact normal creep into of drilling well or workover treatment.
In view of this, it is necessary to the well head magnetic material flowed with fluid is salvaged in drilling well or workover treatment,
It collects, to prevent magnetic material from forming trouble of lost tool in hole.
Currently, salvaging, collection for underground magnetism junk are mainly passively to salvage reality in drilling well or workover treatment
Existing, i.e., after well head magnetism junk has fallen well, then row carries out salvaging processing, not only will affect drilling well or workover treatment
It is normally carried out, and there are fishing operation difficulty technical problems such as big, low efficiency, effect difference.In other words, it in drilling well or repairs at present
In well operations, rarely have the technology salvaged, collected with Initiative Defense type to well head magnetism junk to come out, if can fall to well head magnetism
Object is salvaged with Initiative Defense type, is collected, then can be effectively prevented well head magnetism junk and fall into well, to reduce, even
It is passively salvaging, collecting existing technical problem after avoiding well head magnetism junk from entering well.
Summary of the invention
Technical purpose of the invention is: particularity and well head magnetism fishing junk technology for above-mentioned drilling and repairing well operation
Deficiency, provide one kind can to well head magnetism junk carry out the salvaging of Initiative Defense type, collect, be effectively prevented well head magnetism
Junk falls magnetic fluid collection adsorbent equipment in the drilling and repairing well operation of well.
The present invention realizes that technical solution used by its technical purpose is: magnetic fluid is collected in a kind of drilling and repairing well operation
With adsorbent equipment, the adsorbent equipment, which is used as, is adsorbed and collected magnetic material entrained by the fluid in drilling well or workover treatment,
The adsorbent equipment includes the axial outer cylinder with through-hole, and the inner circumferential of the outer cylinder is fixed with ndfeb magnet, the outer cylinder
Interior ndfeb magnet surrounds axial smooth runner in the circumferential, and the outer cylinder axial seal is connected to drilling well or workover treatment
In fluid line on, the fluid in drilling well or workover treatment is entrained in fluid when flowing through the runner of the adsorbent equipment
Magnetic material by the outer cylinder ndfeb magnet adsorb and collect.
One of preferably, the both ends of the outer cylinder are sealedly connected with ring flange one and ring flange two, the flange
The outer rim of disk one and the ring flange two is radially outwardly extending in the corresponding end of the outer cylinder respectively, the method that the outer cylinder passes through both ends
Blue disk one and two axial seal of ring flange are connected on the fluid line in drilling well or workover treatment.Further, the flange
The inner edge of disk one and the ring flange two is inwardly prolonged in the corresponding end diameter of the outer cylinder respectively, the ring flange one and the method
Axially it is connected with lattice-shaped inner cylinder on inner edge between blue disk two, the axial bore of the inner cylinder forms runner, on the inner cylinder
Grid hole be used as that entrained magnetic material in fluid is adsorbed walk channel, the neodymium in the outer wall of the inner cylinder and the outer cylinder
The absorptive collection chamber of annulus structure is formed between iron boron magnets inner wall.Further, one end end of the inner cylinder passes through ring
The support one of shape structure is docked on the inner edge of the ring flange one.The branch that the other end end of the inner cylinder passes through ring structure
Seat two is docked on the inner edge of the ring flange two.
One of preferably, the both ends of the outer cylinder are sealedly connected on welding structure and/or combination assembling structure
On corresponding ring flange one and ring flange two.Further, the combination assembling structure is mainly folded outward flange by outer cylinder end
Side and bolt assembly composition, the bolt assembly are installed on being folded outward on flange and corresponding ring flange of the outer cylinder, install
Described be folded outward between flange and companion flange disk of the bolt assembly is filled with rubber gasket.
One of preferably, the ndfeb magnet is fixed on the outer cylinder by magnet retainer.
The method have the benefit that:
1. it is (such as overflow line, low that the present invention seals the fluid line being docked in drilling well or workover treatment with outer tube structure
Press suction line or mud ditch etc.) on, there is the runner for smooth fluid flow, meanwhile, with the neodymium iron boron that outer cylinder inner circumferential is fixed
Magnet is to magnetic material entrained in the fluid flowed through (i.e. magnetic fluid comprising but be not limited to all kinds of small size iron components
Or the metal objects such as ironware tool) adsorbed, collected, to carry out the salvaging of Initiative Defense type to the magnetic junk of well head, collect, have
Prevent well head magnetism junk from falling into well to effect, it is ensured that drilling well or workover treatment are gone on smoothly, practical, reliable；
2. the flange plate structure at outer cylinder both ends of the present invention is conducive to outer cylinder above the fluid line in drilling well or workover treatment
Just, charge and discharge operations are efficiently carried out, flexibility is high；
3. the lattice-shaped inner tube structure connected between the inner edge of outer cylinder both ends of the present invention ring flange can either guarantee that fluid is suitable
Channel Group is dynamic, and can reliably be adsorbed, be collected to magnetic material entrained in the fluid flowed through, additionally it is possible to effectively, reliably
Ground is managed the magnetic material for having adsorbed, having collected, to prevent absorption, the magnetic material collected from flowing fall into well, also again
The magnetic material for being conducive to adsorb, collect quickly is removed, and the practicality and reliability are further enhanced；
4. the combination assembling structure between the end and companion flange disk of outer cylinder of the present invention can either be realized and conveniently, efficiently be torn open
The structural strength unloaded combination, and can ensure to assemble also has good leakproofness, flexibility and good reliability, can be effective
Adapt to the fluid line technical requirements in drilling well or workover treatment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Code name meaning in figure: 1-ring flange one；2-outer cylinders；3-ring flanges two；4-magnet retainers；5-neodymium iron borons
Magnet；6-are folded outward flange；7-rubber gaskets；8-bolt assemblies；9-supports one；10-supports two；11-inner cylinders；
12-absorptive collection chambers；13-runners.
Specific embodiment
The present invention relates to the magnetic materials entrained by the fluid media (medium) in drilling well or workover treatment including iron to salvage, receives
Collection technology, in specifically a kind of drilling well or workover treatment magnetic fluid (i.e. magnetic material, because its when salvaging with fluid due to flow
Dynamic, it is in fluid) adsorbent equipment of collection, the present invention seals the fluid hose being docked in drilling well or workover treatment in application
On road (such as overflow line, low pressure suction line or mud ditch etc.), as to entrained by the fluid in drilling well or workover treatment
Magnetic material is adsorbed and collected, and to prevent trouble of lost tool in hole, is carried out below with multiple embodiments to agent technology content of the invention
It is described in detail.Wherein, embodiment 1 combines Figure of description-i.e. Fig. 1 to carry out detailed, specific description to the contents of the present invention,
Its embodiment does not draw attached drawing individually, but its main structure still can refer to the attached drawing of embodiment 1.It needs to illustrate herein
Be, attached drawing of the invention be it is schematical, in order to which technical purpose clearly of the invention has been simplified for unnecessary details, with
It avoids having obscured the technical solution that the present invention contributes to the prior art.
Embodiment 1
Shown in Figure 1, the present invention includes ring flange 1, outer cylinder 2, ring flange 23 and inner cylinder 11.
Wherein, there is the through-hole structure of corresponding drilling well or the fluid line in workover treatment in the axial direction of outer cylinder 2.Outer cylinder 2
Inner circumferential be mounted with ndfeb magnet 5 by multiple magnet retainers 4, the ndfeb magnet 5 in outer cylinder 2 is in the circumferential
Surround axial smooth runner.
Ring flange 1 is the annular disk that internal diameter is less than above-mentioned 5 internal diameter of ndfeb magnet, outer diameter is greater than above-mentioned 2 outer diameter of outer cylinder
Shape structure, in use, compositing area position one of of the inner hole of ring flange 1 as runner.Ring flange 1 is to combine assembly
Sealing structure is connected to an end of outer cylinder 2, specifically, the corresponding end of outer cylinder 2 is welded with and radial is folded outward flange
Side 6, this is folded outward in the circumferential direction of flange 6 and is uniformly provided with multiple bolts hole, and corresponding, the circumference of ring flange 1 is close
Outer edge area is also uniformly provided with multiple bolts hole in circumferential direction；Ring flange 1 is axial to be docked at being folded outward on flange 6 of outer cylinder 2,
So that at the corresponding end of outer cylinder 2 at the circumference central region of ring flange 1, and the bolt hole and method being folded outward on flange 6
Bolt hole on blue disk 1 is in one-to-one relationship, ring flange 1 and is folded outward between flange 6 and is filled with rubber gasket 7；
The composition of bolt assembly 8 is coated in aforementioned each group of one-to-one bolt hole, at the nut or washer of the bolt assembly 8 with
(in order to not influence docking for ring flange 1 and circulation duct, mating surface herein is usually to be folded outward flange 6 in corresponding matching face
Surface) between be also filled with rubber gasket, be thus installed on each bolt assembly 8 and be folded outward flange 6 and ring flange 1
In corresponding bolt hole, one 1 axial seal of ring flange is fixedly mounted on to the corresponding end of outer cylinder 2.Based on foregoing flange disk 1 with
The outer rim of matching relationship between outer cylinder 2, ring flange 1 is radially outwardly extending in the corresponding end of outer cylinder 2, and ring flange 1 is interior
Edge then inwardly prolongs in the corresponding end diameter of outer cylinder 2.Certainly, the bolt hole on foregoing flange disk 1 is only and to be folded outward flange 6 right
In addition to this bolt hole connect should also offer the bolt hole docked with circulation duct on ring flange 1.
Ring flange 23 is the annular disk that internal diameter is less than above-mentioned 5 internal diameter of ndfeb magnet, outer diameter is greater than above-mentioned 2 outer diameter of outer cylinder
Shape structure, in use, the inner hole of ring flange 23 are also used as one of compositing area position of runner.Ring flange 23 is to weld knot
Structure is sealedly connected on another end of outer cylinder 2, at the corresponding end of outer cylinder 2 at the circumference central region of ring flange 23.Base
The outer rim of matching relationship between foregoing flange disk 23 and outer cylinder 2, ring flange 23 is outside in the corresponding end diameter of outer cylinder 2
Prolong, and the inner edge of ring flange 23 is then inwardly prolonged in the corresponding end diameter of outer cylinder 2.Certainly, offered on foregoing flange disk 23 with
The bolt hole of circulation duct docking.In this way, aforementioned outer cylinder 2 can be axial close by the ring flange 1 and ring flange 23 at both ends
Envelope is connected on the fluid line in drilling well or workover treatment.
Inner cylinder 11 needs to be assemblied in outer cylinder 2, thus requires axial length phase of the axial length of inner cylinder 11 with outer cylinder 2
Match, and the outer diameter of inner cylinder 11 is less than the internal diameter of outer cylinder 2, also obtains the internal diameter less than ndfeb magnet 5 certainly.In addition, inner cylinder 11 is
Lattice-shaped structure, specifically, radially offering several grid holes on the circumference of inner cylinder 11, these grid holes are used as institute in fluid
What carrying magnetic material was adsorbed walks channel, thus, it is entrained in fluid to usually require that the grid hole internal diameter on inner cylinder 11 is greater than
The profile outer diameter of magnetic material, the size dimension based on magnetic material entrained by fluid can not predefine, and consider as preferred, it is desirable that
Each grid hole internal diameter differentiation on inner cylinder 11, i.e. each grid hole on inner cylinder 11 have oversized hole, also have small hole size.
One end end of aforementioned inner cylinder 11 is docked on the inner edge of ring flange 1 by the support 1 of ring structure, and other end end is logical
The support 2 10 for crossing ring structure is docked on the inner edge of ring flange 23, can be convenient the disassembly of inner cylinder 11 in this way, thus favorably
The magnetic material replaced and adsorbed in inner cylinder 11, collect is removed；Based on pair between inner cylinder 11 and outer cylinder 2 and ndfeb magnet 5
Matching relationship is answered, forms the absorptive collection chamber of annulus structure between 5 inner wall of ndfeb magnet in the outer wall and outer cylinder 2 of inner cylinder 11
12。
In said structure, runner 13 of the invention is formed in the axial bore for being finally embodied in inner cylinder 11 and (is also wrapped certainly
Include the inner hole of ring flange 1 and ring flange 2 3), in application, fluid is when flowing through runner 13 in drilling well or workover treatment, stream
Entrained magnetic material is adsorbed and entered absorptive collection chamber 12 and realize collection by the ndfeb magnet 5 in outer cylinder 2 in body.
Embodiment 2
The present invention includes ring flange one, outer cylinder, ring flange two and inner cylinder.
Wherein, there is the through-hole structure of corresponding drilling well or the fluid line in workover treatment in the axial direction of outer cylinder.Outer cylinder
Inner circumferential is mounted with ndfeb magnet by multiple magnet retainers, and the ndfeb magnet in outer cylinder surrounds axis in the circumferential
To smooth runner.
Ring flange one is the ring discoid knot that internal diameter is less than above-mentioned ndfeb magnet internal diameter, outer diameter is greater than above-mentioned outer cylinder outer diameter
Structure, in use, the inner hole of ring flange one are also used as one of compositing area position of runner.Ring flange one is sealed with welding structure
An end of outer cylinder is connected to, at the corresponding end of outer cylinder at the circumference central region of ring flange one.Based on foregoing flange
The outer rim of matching relationship between disk one and outer cylinder, ring flange one is radially outwardly extending in the corresponding end of outer cylinder, and ring flange one
Then inwardly prolong in the corresponding end diameter of outer cylinder inner edge.Certainly, the bolt docked with circulation duct is offered on foregoing flange disk one
Hole.
Ring flange two is the ring discoid knot that internal diameter is less than above-mentioned ndfeb magnet internal diameter, outer diameter is greater than above-mentioned outer cylinder outer diameter
Structure, in use, the inner hole of ring flange two are also used as one of compositing area position of runner.Ring flange two is sealed with welding structure
Another end of outer cylinder is connected to, at the corresponding end of outer cylinder at the circumference central region of ring flange two.Based on aforementioned method
The outer rim of matching relationship between blue disk two and outer cylinder, ring flange two is radially outwardly extending in the corresponding end of outer cylinder, and ring flange two
Inner edge then inwardly prolong in the corresponding end diameter of outer cylinder.Certainly, the spiral shell docked with circulation duct is offered on foregoing flange disk two
Keyhole.In this way, aforementioned outer cylinder can be connected to drilling well or well workover by the ring flange one and two axial seal of ring flange at both ends
On fluid line in operation.
Inner cylinder needs to be assemblied in outer cylinder, thus the axial length of inner cylinder and the axial length of outer cylinder is required to match, and
The outer diameter of inner cylinder is less than the internal diameter of outer cylinder, also obtains the internal diameter less than ndfeb magnet certainly.In addition, inner cylinder is lattice-shaped structure,
Specifically, radially offering several grid holes on the circumference of inner cylinder, these grid holes are used as entrained magnetic material quilt in fluid
Channel is walked in absorption, thus, usually require that the grid hole internal diameter on inner cylinder is greater than in fluid outside the profile of entrained magnetic material
Diameter, the size dimension based on magnetic material entrained by fluid can not predefine, and consider as preferred, it is desirable that each grid on inner cylinder
Hole internal diameter differentiation, i.e., each grid hole on inner cylinder have oversized hole, also have small hole size.One end end of aforementioned inner cylinder
It is docked on the inner edge of ring flange one by the support one of ring structure, other end end is docked by the support two of ring structure
On the inner edge of ring flange two；Based on the corresponding matching relationship between inner cylinder and outer cylinder and ndfeb magnet, the outer wall of inner cylinder with
The absorptive collection chamber of annulus structure is formed between ndfeb magnet inner wall in outer cylinder.
In said structure, runner of the invention, which is formed, is finally embodied in the axial bore of inner cylinder (certainly also including method
The inner hole of blue disk one and ring flange two), in application, fluid is when flowing through runner in drilling well or workover treatment, taken in fluid
The magnetic material of band is adsorbed and entered absorptive collection chamber and realize collection by the ndfeb magnet in outer cylinder.
Embodiment 3
The present invention includes ring flange one, outer cylinder, ring flange two and inner cylinder.
Wherein, there is the through-hole structure of corresponding drilling well or the fluid line in workover treatment in the axial direction of outer cylinder.Outer cylinder
Inner circumferential is mounted with ndfeb magnet by multiple magnet retainers, and the ndfeb magnet in outer cylinder surrounds axis in the circumferential
To smooth runner.
Ring flange one is the ring discoid knot that internal diameter is less than above-mentioned ndfeb magnet internal diameter, outer diameter is greater than above-mentioned outer cylinder outer diameter
Structure, in use, compositing area position one of of the inner hole of ring flange one as runner.Ring flange one is close to combine assembling structure
Envelope is connected to an end of outer cylinder, specifically, the corresponding end of outer cylinder be welded with it is radial be folded outward flange, this is folded outward
Multiple bolts hole are uniformly provided in the circumferential direction of flange, corresponding, the circumference of ring flange one is also all close to outer edge area
It is uniformly provided with multiple bolts hole upwards；Ring flange one is axial to be docked at being folded outward on flange of outer cylinder, so that the correspondence of outer cylinder
End is folded outward the bolt hole on flange with the bolt hole on ring flange one and is at the circumference central region of ring flange one
One-to-one relationship, ring flange one and is folded outward between flange and is filled with rubber gasket；It is one-to-one at aforementioned each group
It is coated with bolt assembly in bolt hole to form, with corresponding matching face (in order to not influence method at the nut or washer of the bolt assembly
Blue disk one is docked with circulation duct, and mating surface herein is usually to be folded outward the surface of flange) between to be also filled with rubber close
Packing is installed on each bolt assembly in the correspondence bolt hole for being folded outward flange and ring flange one, and ring flange one is axial
Sealing is fixedly mounted on the corresponding end of outer cylinder.Based on the matching relationship between foregoing flange disk one and outer cylinder, ring flange one
Outer rim is radially outwardly extending in the corresponding end of outer cylinder, and the inner edge of ring flange one is then inwardly prolonged in the corresponding end diameter of outer cylinder.Certainly,
Bolt hole on foregoing flange disk one is only that in addition to this should also open on ring flange one with the bolt hole for being folded outward flange and docking
Equipped with the bolt hole docked with circulation duct.
Ring flange two is the ring discoid knot that internal diameter is less than above-mentioned ndfeb magnet internal diameter, outer diameter is greater than above-mentioned outer cylinder outer diameter
Structure, in use, the inner hole of ring flange two are also used as one of compositing area position of runner.Ring flange two is sealed with welding structure
Another end of outer cylinder is connected to, at the corresponding end of outer cylinder at the circumference central region of ring flange two.Based on aforementioned method
The outer rim of matching relationship between blue disk two and outer cylinder, ring flange two is radially outwardly extending in the corresponding end of outer cylinder, and ring flange two
Inner edge then inwardly prolong in the corresponding end diameter of outer cylinder.Certainly, the spiral shell docked with circulation duct is offered on foregoing flange disk two
Keyhole.In this way, above-mentioned outer cylinder can be connected to drilling well or well workover by the ring flange one and two axial seal of ring flange at both ends
On fluid line in operation.
Inner cylinder needs to be assemblied in outer cylinder, thus the axial length of inner cylinder and the axial length of outer cylinder is required to match, and
The outer diameter of inner cylinder is less than the internal diameter of outer cylinder, also obtains the internal diameter less than ndfeb magnet certainly.In addition, inner cylinder is lattice-shaped structure,
Specifically, radially offering several grid holes on the circumference of inner cylinder, these grid holes are used as entrained magnetic material quilt in fluid
Channel is walked in absorption, thus, usually require that the grid hole internal diameter on inner cylinder is greater than in fluid outside the profile of entrained magnetic material
Diameter, the size dimension based on magnetic material entrained by fluid can not predefine, and consider as preferred, it is desirable that each grid on inner cylinder
Hole internal diameter differentiation, i.e., each grid hole on inner cylinder have oversized hole, also have small hole size.One end end of aforementioned inner cylinder
It is docked on the inner edge of ring flange one by the support one of ring structure, other end end is directly weldingly fixed on ring flange two
On inner edge；Neodymium iron based on the corresponding matching relationship between inner cylinder and outer cylinder and ndfeb magnet, in the outer wall and outer cylinder of inner cylinder
The absorptive collection chamber of annulus structure is formed between boron magnets inner wall.
In said structure, runner of the invention, which is formed, is finally embodied in the axial bore of inner cylinder (certainly also including method
The inner hole of blue disk one and ring flange two), in application, fluid is when flowing through runner in drilling well or workover treatment, taken in fluid
The magnetic material of band is adsorbed and entered absorptive collection chamber and realize collection by the ndfeb magnet in outer cylinder.
Embodiment 4
The present invention includes outer cylinder.There is the through-hole knot of corresponding drilling well or the fluid line in workover treatment in the axial direction of the outer cylinder
Structure.The inner circumferential of outer cylinder is mounted with ndfeb magnet by multiple magnet retainers, and the ndfeb magnet in outer cylinder is in week
Axial smooth runner is surrounded upwards.
The both ends end of outer cylinder is welded with the radial flange that is folded outward respectively, it is each be folded outward it is equal in the circumferential direction of flange
It is even to offer multiple bolts hole docked with circulation duct.In this way, outer cylinder can by both ends to be folded outward flange axial close
Envelope is connected on the fluid line in drilling well or workover treatment.
In said structure, runner of the invention, which is formed, is finally embodied in the axial bore of ndfeb magnet, in drilling well
Or in application, fluid is when flowing through runner in workover treatment, entrained magnetic material is by the ndfeb magnet in outer cylinder in fluid
Absorption is realized and is collected.
The above various embodiments is only to illustrate the present invention, rather than its limitations；Although referring to the various embodiments described above to this hair
It is bright to be described in detail, those skilled in the art should understand that: the present invention still can be to the various embodiments described above
In specific technical solution modify perhaps equivalent replacement of some of the technical features and these modifications or replace
It changes, the spirit and scope of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. magnetic fluid, which is collected, in a kind of drilling and repairing well operation uses adsorbent equipment, the adsorbent equipment, which is used as, makees drilling well or well workover
Magnetic material entrained by fluid in industry is adsorbed and collected, it is characterised in that: the adsorbent equipment includes axial with through-hole
Outer cylinder (2), the inner circumferential of the outer cylinder (2) is fixed with ndfeb magnet (5), and the ndfeb magnet (5) in the outer cylinder (2) exists
Axial smooth runner (13) is surrounded in circumferential direction, outer cylinder (2) axial seal is connected to the fluid in drilling well or workover treatment
On pipeline, the fluid in drilling well or workover treatment is at runner (13) for flowing through the adsorbent equipment, entrained magnetic in fluid
Property object by the outer cylinder (2) ndfeb magnet (5) adsorb and collect.
2. magnetic fluid is collected and uses adsorbent equipment in drilling and repairing well operation according to claim 1, it is characterised in that: described outer
The both ends of cylinder (2) are sealedly connected with ring flange one (1) and ring flange two (3), the ring flange one (1) and the ring flange two
(3) outer rim is radially outwardly extending in the corresponding end of the outer cylinder (2) respectively, and the outer cylinder (2) passes through the ring flange one (1) at both ends
It is connected on the fluid line in drilling well or workover treatment with ring flange two (3) axial seal.
3. magnetic fluid is collected and uses adsorbent equipment in drilling and repairing well operation according to claim 2, it is characterised in that: the method
The inner edge of blue disk one (1) and the ring flange two (3) is inwardly prolonged in the corresponding end diameter of the outer cylinder (2) respectively, the flange
It is axially connected on inner edge between disk one (1) and the ring flange two (3) lattice-shaped inner cylinder (11), the axis of the inner cylinder (11)
Inward hole forms runner (13), and what the grid hole on the inner cylinder (11) was used as that entrained magnetic material in fluid is adsorbed walks logical
Road forms the absorption of annulus structure between ndfeb magnet (5) inner wall in the outer wall and the outer cylinder (2) of the inner cylinder (11)
Collecting chamber (12).
4. magnetic fluid is collected and uses adsorbent equipment in drilling and repairing well operation according to claim 3, it is characterised in that: in described
One end end of cylinder (11) is docked on the inner edge of the ring flange one (1) by the support one (9) of ring structure.
5. according to fluid collection adsorbent equipment magnetic in the drilling and repairing well operation of claim 3 or 4, it is characterised in that: institute
One end end for stating inner cylinder (11) is docked on the inner edge of the ring flange two (3) by the support two (10) of ring structure.
6. magnetic fluid collection adsorbent equipment in the drilling and repairing well operation according to Claims 2 or 3, it is characterised in that: institute
It states the both ends of outer cylinder (2) and corresponding ring flange one (1) and ring flange is sealedly connected on welding structure and/or combination assembling structure
On two (3).
7. magnetic fluid is collected and uses adsorbent equipment in drilling and repairing well operation according to claim 6, it is characterised in that: described group
Attach together distribution structure mainly by outer cylinder (2) end be folded outward flange (6) and bolt assembly (8) forms, the bolt assembly (8) is worn
Mounted in being folded outward on flange (6) and corresponding ring flange for the outer cylinder (2), installs the described of the bolt assembly (8) and be folded outward
Rubber gasket (7) are filled between flange (6) and companion flange disk.
8. according to claim 1 or in the 3 drilling and repairing well operations, magnetic fluid is collected with adsorbent equipment, it is characterised in that: institute
It states ndfeb magnet (5) and is fixed on the outer cylinder (2) by magnet retainer (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811223301.5A CN109225622A (en) | 2018-10-19 | 2018-10-19 | Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811223301.5A CN109225622A (en) | 2018-10-19 | 2018-10-19 | Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation |
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| CN109225622A true CN109225622A (en) | 2019-01-18 |
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| CN201811223301.5A Pending CN109225622A (en) | 2018-10-19 | 2018-10-19 | Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation |
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| CN114412405A (en) * | 2022-03-15 | 2022-04-29 | 西南石油大学 | Electromagnetic fishing system and method |
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