CN203515423U - Electromagnetic type fishing device for well mouth falling objects - Google Patents
Electromagnetic type fishing device for well mouth falling objects Download PDFInfo
- Publication number
- CN203515423U CN203515423U CN201320537730.6U CN201320537730U CN203515423U CN 203515423 U CN203515423 U CN 203515423U CN 201320537730 U CN201320537730 U CN 201320537730U CN 203515423 U CN203515423 U CN 203515423U
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- well head
- electromagnetic type
- iron core
- type well
- support skeleton
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Abstract
An electromagnetic type fishing device for well mouth falling objects is arranged on the bottom face of a rotary disc of a drilling machine and comprises a power supply control module, an electromagnetism generating module and an induction module. The power supply control module comprises a power switch and an alternating-current and direct-current converter. The electromagnetism generating module comprises an annular bearing framework, an iron core and a plurality of coils. The coils are wound on the peripheries of a plurality of inwards-extending shaft barrels of the bearing framework, outwards-extending shaft rods of the iron core are correspondingly connected with the shaft barrels in an inserting mode, and an inner and outer ring structure that the iron core is sleeved with the bearing framework is formed. A plurality of steel wire ropes are connected to the upper surface of the bearing framework. The inner diameter of the iron cover is larger than the inner diameter of a through hole of the rotary disc. All the coils are electrically connected with the power supply control module. The induction module comprises microgravity sensors and single-ship microcomputers. The microgravity sensors and the single-ship microcomputers are arranged on the steel wire ropes, and are electrically connected with the power supply control module arranged outside a well mouth through guide wires.
Description
Technical field
The utility model relates to a kind of fishing tool, especially relates in a kind of petroleum natural gas exploration drilling engineering, prevents that well head junk from falling into the electromagnetic type well head fishing junk device in shaft bottom.
Background technology
For a long time, in oil gas well drilling work progress, inevitably can there is the situation that instrument (as spanner, hammer etc.) that drilling well uses and accessory (binding clip of hydraulic tongs, screw die etc.) fall into shaft bottom accidentally, generally need to make a trip salvage, the operation such as milling, make well keep unimpeded, recover normally to creep into, can have a strong impact on drilling engineering efficiency like this, waste a large amount of human and material resources, simultaneously also will be in the face of cause the risk of secondary accident due to operations such as salvagings.Current, drilling engineering field is all to adopt the method for trouble of lost tool in hole post-processed to solve this class problem, does not have a set ofly to prevent that well head junk from falling into equipment and the technical method in shaft bottom.
Utility model content
The technical problem that the utility model solves is to provide a kind of electromagnetic type well head fishing junk device, reduces because well head junk causes down hole problem and accident.
Technical solution of the present utility model is:
An electromagnetic type well head fishing junk device, wherein, this electromagnetic type well head fishing junk device is installed on Rotary table for drilling machine bottom surface, comprising: power supply control module, electromagnetism generation module and induction module;
Described power supply control module comprises power switch and AC/DC changeover switch;
Described electromagnetism generation module comprises annular support skeleton, iron core and a plurality of coil; A plurality of beam barrel peripheries that described coil winding extends internally in described support skeleton, the grafting corresponding to described beam barrel of the outward extending axostylus axostyle of described iron core, forms the inside and outside ring structure that support skeleton entangles iron core; Described support skeleton upper surface is connected with many wire rope; The internal diameter of described iron core is greater than the internal diameter of the through hole of described rotating disk; Described in each, coil is electrically connected to described power supply control module;
Described induction module comprises microgravity sensor and single-chip microcomputer; Described microgravity sensor and single-chip microcomputer are installed on described in each on wire rope, and are electrically connected to the power supply control module that is arranged on outer wellhead via wire.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described electromagnetic induction module is also provided with lifting cover plate, and described wire rope top is fixedly connected with described lifting cover plate bottom surface, and described lifting cover plate end face is fixedly connected with described rotating disk bottom surface; Described lifting cover plate center offers perforation, and described punch inside diameter is more than or equal to the internal diameter of described through hole, and is less than or equal to the internal diameter of described iron core.
Above-mentioned electromagnetic type well head fishing junk device, wherein, also comprises audible-visual annunciator, and described audible-visual annunciator is arranged on outer wellhead, and is electrically connected to described single-chip microcomputer via wire.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described coil is the coil that is enclosed with insulating protective layer.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described in each, the parallel with one another and described power supply control module of coil is electrically connected to.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described support skeleton and iron core are respectively the annulus being comprised of a plurality of circular arc pieces, and the first end of each circular arc piece and the second end respectively correspondence be provided with syndeton.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described support skeleton and iron core are respectively by two semi arches and form annulus, and described syndeton is to be arranged at the protruded stigma of each semi arch first end and the post groove of the second end.
Above-mentioned electromagnetic type well head fishing junk device, wherein, is provided with reinforcing rib between described beam barrel outside and described support skeleton medial surface.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described support skeleton is insulation support skeleton; Between described support skeleton bottom surface and anti-overflow pipe end face, be provided with a constant spacing.
Above-mentioned electromagnetic type well head fishing junk device, wherein, described iron core annulus height is between 0.2m to 0.4m.
By above explanation, learnt, the utility model compared with prior art, can reach following effect really:
By the utility model is installed in drilling process, operating personnel can check and remove the junk that described device is salvaged according to warning message, reach down hole problem and the accident avoided, and improve engineering efficiency, save the object of engineering cost.
Electromagnetic type well head fishing junk device of the present utility model, for reducing, because causing down hole problem and accident, well head junk provides a new prevention method, the utlity model has with low cost, feature simple, easy to maintenance is installed, practical, there is the wide market space.
Accompanying drawing explanation
Fig. 1 is electromagnetic type well head fishing junk apparatus structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of electromagnetism generation module of the present utility model;
Fig. 3, Fig. 4 are support skeleton schematic diagram of the present utility model;
Fig. 5, Fig. 6 are the structural representation of iron core of the present utility model.
Critical element label declaration:
The utility model:
1: rotating disk bottom surface 2: lifting cover plate 3: microgravity sensor
4: single-chip microcomputer 5: electromagnetism generation module 51: support skeleton
511: beam barrel 512: reinforcing rib 52: coil
53: iron core 531: axostylus axostyle 6: anti-overflow pipe
7: power supply control module 8: audible-visual annunciator
The specific embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing the specific embodiment of the present utility model is described.
Please refer to shown in Fig. 1 to Fig. 6, for electromagnetic type well head fishing junk apparatus structure schematic diagram of the present utility model, in its preferred embodiment, electromagnetic type well head fishing junk device of the present invention is installed on Rotary table for drilling machine bottom surface 1, comprising: power supply control module 7, electromagnetism generation module 5 and induction module.
Described power supply control module 7 comprises power switch and AC/DC changeover switch; Preferably this power supply control module 7 realizes well site 220V alternating current and changes into the required direct current of electromagnetism generation module, reaches the object that reduces electromagnetism generation module heating.Preferably, this power supply control module 7 can regulate supply current, realizes and changes as required the magnetic force of electromagnetism generation module 5, the object of audible-visual annunciator 8 states.
Described electromagnetism generation module 5 comprises annular support skeleton 51, iron core 53 and a plurality of coil 52; Described coil 52 is wound in a plurality of beam barrels 511 peripheries that described support skeleton 51 extends internally, and described in each, coil 52 utilizes wire and is that connection-peg is connected with power supply control module 7 respectively; And the outward extending axostylus axostyle 531 of described iron core 53 and the corresponding grafting of described beam barrel 511, and form the inside and outside ring structure that support skeleton 51 entangles iron core 53; Whereby, shown in the axostylus axostyle 531 of iron core 53 be also arranged in described coil 52,52 energisings produce behind magnetic fields to coil, can make iron core 53 magnetization, form electromagnet and form powerful electromagnetic generator, be used for salvaging the metal junk that well head falls into.
Described support skeleton 51 upper surfaces are connected with many wire rope; By wire rope, described electromagnetism generation module 5 hangings are fixed on to rotating disk bottom surface 1, and make support skeleton 51 and iron core 53 and the 1 concentric setting of rotating disk bottom surface.And the internal diameter of described iron core 53 is greater than the internal diameter of described rotating disk through hole, make junk can not strike the end face of this electromagnetic type well head fishing junk device by behind rotating disk bottom surface 1, but within can falling into smoothly the interior ring of iron core 53.
Described induction module comprises microgravity sensor 3 and single-chip microcomputer 4; Described microgravity sensor 3 and single-chip microcomputer 4 are installed on described in each on wire rope, and are electrically connected to the power supply control module 7 that is arranged on outer wellhead via wire; The increment that obtains lineoutofservice signal pull by microgravity sensor 3 changes, and makes the judgement that electromagnetism generation module 5 is caught well head junk; This induction module is used for the variation of perception electromagnetism generation module 5 gravity, the well head junk that discovery is caught in time, and alert is processed as early as possible, prevents that normal operation from causing the well head junk of catching to fall into shaft bottom.
In order better to protect electromagnetic type well head fishing junk device of the present utility model, at it preferably in embodiment, described electromagnetic induction module is also provided with lifting cover plate 2, the top that the described wire rope of described support skeleton 51 end faces is fixed in one end is fixedly connected with described lifting cover plate 2 bottom surfaces, and described lifting cover plate 2 end faces are fixedly connected with described rotating disk bottom surface 1; Described lifting cover plate 2 centers offer perforation, described punch inside diameter is more than or equal to the internal diameter of described through hole, and the internal diameter that is less than or equal to described iron core 53, the internal diameter size of this lifting cover plate 2 is between described rotating disk bottom surface 1 and the internal diameter size of described iron core 53, guarantee that junk can pass through smoothly, and by the setting of this lifting cover plate 2, can further prevent that junk (comprising drilling fluid) from falling into coil because of various situations, damages electromagnetic type well head fishing junk device of the present utility model.Preferably, in embodiment, described lifting cover plate 2 can be fixed on described rotating disk bottom surface 1 via wire rope hanging.
Electromagnetic type well head fishing junk device of the present utility model, at it preferably in embodiment, described support skeleton 51 is insulation support skeleton 51, being specifically as follows high strength plastic makes, this support skeleton 51 provides fixed space for electromagnet, be conducive to reduce electromagnetic heating simultaneously, also guarantee that support skeleton 51 has enough weight capacities simultaneously.In addition, in described support skeleton 51 bottom surfaces and well, between anti-overflow pipe 6 end faces, be provided with a constant spacing; In order to handled easily personnel, remove captive well head junk.Preferably, in situation, this fixed range is approximately between 0.2m to 0.5m.
When well head has metal objects to fall in well, for the ease of pointing out in time staff, preferably, electromagnetic type well head fishing junk device of the present utility model, also be provided with audible-visual annunciator 8, described audible-visual annunciator 8 is arranged on outer wellhead, and is electrically connected to described single-chip microcomputer 4 via wire.Wherein, described power supply control module 7 and audible-visual annunciator 8, be arranged in the correct position of rig floor scientifically and rationally, reaches the object of convenient operation and observation.
Electromagnetic type well head fishing junk device of the present utility model, preferably, described coil 52 is for being enclosed with the coil of insulating protective layer.The coil 52 described in concrete with insulating protective layer can be enameled wire loop.
In order to prevent causing whole electromagnetism generation module 5 to lose efficacy after indivedual coil 52 faults, therefore electromagnetic type well head fishing junk device of the present utility model, it is preferably in embodiment, and described in each, the parallel with one another and described power supply control module 7 of coil 52 is electrically connected to.
Electromagnetic type well head fishing junk device of the present utility model, preferably, described support skeleton 51 and iron core 53 are respectively the annulus being comprised of a plurality of circular arc pieces, and the first end of each circular arc piece and the second end respectively correspondence be provided with syndeton.Preferably, utilization is that the mode that insert group closes forms whole annular support skeleton 51 or an iron core 53 fast, thus more sliding coil 52 internal parts such as grade of the present utility model in the situation that of being convenient to have drilling tool in well.
Electromagnetic type well head fishing junk device as above, further, described support skeleton 51 and iron core 53 are respectively by two semi arches and form annulus, and described syndeton is to be arranged at the protruded stigma of each semi arch first end and the post groove of the second end.By the grafting of protruded stigma and post groove, combine to realize two semi arches and form annulus.
The annular iron core 53 being comprised of a plurality of circular arc pieces as above, the cambered surface magnetic pole that end forms of each circular arc piece is identical, can assist whereby and improve the reliability that keeps iron core 53 to be connected with support skeleton 51 after catching well head junk.
In order further to improve the success rate of catching junk, the intrados of described iron core 53 has certain height, makes junk stroke in the interior ring of iron core 53 elongated, has increased area and the distance of catching well head junk.Preferably, the height of described iron core 53 interior rings is between 0.2m to 0.4m.This distance is mainly the position that will consider that the utility model is installed, and by junk drop through time speed calculate, as long as guarantee that junk is through being adsorbed during ring and catching in this iron core, not as limit.
Electromagnetic type well head fishing junk device as above, preferably, is provided with reinforcing rib 512 between described beam barrel 511 outsides and described support skeleton 51 medial surfaces, strengthens whereby the weight capacity of this support skeleton 51.Meanwhile, support skeleton 51 bottoms are open type, conveniently utilize natural wind energy to carry out Physical temperature-lowering to electromagnetism generation module 5, to improve the stability of the utility model operation.
The using method of described electromagnetic type well head fishing junk device is, electromagnetism generation module 5, microgravity sensor 3 and the single-chip microcomputer 4 etc. of described device are arranged between Rotary table for drilling machine and anti-overflow pipe 6 horn mouths, approach with rotating disk bottom surface 1 as possible, to reduce the inertia of junk, guarantee fishing success ratio.Making a trip, make up a joint, before the shaft mouth operation such as wellhead equipment repairing, operating personnel open the electric power system of described device, electromagnetism generation module 5 of the present utility model starts and forms powerful magnetic field, when well head has the containing metal parts such as screw die of hydraulic tongs or instrument from well head falls into, this device is caught rapidly junk by magneticaction, the Gravity changer of microgravity sensor 3 perception bottoms simultaneously, processes by single-chip microcomputer 4 and sends sound, light is reported to the police.Operating personnel can check and remove the junk that described device is salvaged according to warning message, reach down hole problem and the accident avoided, and improve engineering efficiency, save the object of engineering cost.
The building block of electromagnetic type well head fishing junk device of the present utility model is matured product, and safety is good, with low cost, and site operation is easy, safeguards easy to usely, has very strong practicality.
The foregoing is only the schematic specific embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (10)
1. an electromagnetic type well head fishing junk device, is characterized in that, this electromagnetic type well head fishing junk device is installed on Rotary table for drilling machine bottom surface, comprising: power supply control module, electromagnetism generation module and electromagnetic induction module;
Described power supply control module comprises power switch and AC/DC changeover switch;
Described electromagnetism generation module comprises annular support skeleton, iron core and a plurality of coil; A plurality of beam barrel peripheries that described coil winding extends internally in described support skeleton, the grafting corresponding to described beam barrel of the outward extending axostylus axostyle of described iron core, forms the inside and outside ring structure that support skeleton entangles iron core; Described support skeleton upper surface is connected with many wire rope; The internal diameter of described iron core is greater than the internal diameter of the through hole of described rotating disk; Described in each, coil is electrically connected to described power supply control module;
Described electromagnetic induction module comprises microgravity sensor and single-chip microcomputer; Described microgravity sensor and single-chip microcomputer are installed on described in each on wire rope, and are electrically connected to the power supply control module that is arranged on outer wellhead via wire.
2. electromagnetic type well head fishing junk device as claimed in claim 1, it is characterized in that, described electromagnetic induction module is also provided with lifting cover plate, and described wire rope top is fixedly connected with described lifting cover plate bottom surface, and described lifting cover plate end face is fixedly connected with described rotating disk bottom surface; Described lifting cover plate center offers perforation, and described punch inside diameter is more than or equal to the internal diameter of described through hole, and is less than or equal to the internal diameter of described iron core.
3. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, also comprise audible-visual annunciator, described audible-visual annunciator is arranged on outer wellhead, and is electrically connected to described single-chip microcomputer via wire.
4. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, described coil is the coil that is enclosed with insulating protective layer.
5. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, described in each, the parallel with one another and described power supply control module of coil is electrically connected to.
6. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, described support skeleton and iron core are respectively the annulus being comprised of a plurality of circular arc pieces, and the first end of each circular arc piece and the second end respectively correspondence be provided with syndeton.
7. electromagnetic type well head fishing junk device as claimed in claim 6, is characterized in that, described support skeleton and iron core are respectively by two semi arches and form annulus, and described syndeton is to be arranged at the protruded stigma of each semi arch first end and the post groove of the second end.
8. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, between described beam barrel outside and described support skeleton medial surface, is provided with reinforcing rib.
9. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, described support skeleton is insulation support skeleton; Between described support skeleton bottom surface and anti-overflow pipe end face, be provided with a constant spacing.
10. electromagnetic type well head fishing junk device as claimed in claim 1, is characterized in that, the annulus height of described iron core is between 0.2m to 0.4m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537730.6U CN203515423U (en) | 2013-08-30 | 2013-08-30 | Electromagnetic type fishing device for well mouth falling objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537730.6U CN203515423U (en) | 2013-08-30 | 2013-08-30 | Electromagnetic type fishing device for well mouth falling objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515423U true CN203515423U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320537730.6U Expired - Fee Related CN203515423U (en) | 2013-08-30 | 2013-08-30 | Electromagnetic type fishing device for well mouth falling objects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515423U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378822A (en) * | 2017-07-31 | 2017-11-24 | 无锡康柏斯机械科技有限公司 | A kind of concealed hold triggers magnetic holding device |
| CN107398755A (en) * | 2017-07-31 | 2017-11-28 | 无锡康柏斯机械科技有限公司 | A kind of magnetic holding device |
| CN108412460A (en) * | 2018-03-22 | 2018-08-17 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of device of wellhead anti-falling |
-
2013
- 2013-08-30 CN CN201320537730.6U patent/CN203515423U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378822A (en) * | 2017-07-31 | 2017-11-24 | 无锡康柏斯机械科技有限公司 | A kind of concealed hold triggers magnetic holding device |
| CN107398755A (en) * | 2017-07-31 | 2017-11-28 | 无锡康柏斯机械科技有限公司 | A kind of magnetic holding device |
| CN108412460A (en) * | 2018-03-22 | 2018-08-17 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of device of wellhead anti-falling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |