CN212428805U - Integral friction slip sleeve coupling electromagnetic positioner - Google Patents
Integral friction slip sleeve coupling electromagnetic positioner Download PDFInfo
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- CN212428805U CN212428805U CN202020320357.9U CN202020320357U CN212428805U CN 212428805 U CN212428805 U CN 212428805U CN 202020320357 U CN202020320357 U CN 202020320357U CN 212428805 U CN212428805 U CN 212428805U
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Abstract
The utility model belongs to the technical field of oil gas field reservoir transformation, especially, relate to an electromagnetic positioner of whole friction slip casing coupling. The utility model discloses a direction head, release ring, release round pin, belleville spring, supporting shaft cover, friction slips, dabber, adapter sleeve, connection shear pin, push-and-pull rod and electromagnetic control mechanism constitute. The utility model discloses an accurate execution action is given to the push-and-pull rod to electromagnetic control mechanism output control signal, thereby accomplishes the utility model discloses an accurate location. When the spindle can not be normally reset to cause the friction slip to be normally retracted to cause the electromagnetic potentiometer to be blocked, the release pin is broken, the friction slip is forcibly retracted, the tool is removed from being blocked, and the drill blocking is effectively prevented. The utility model discloses it is fixed to be connected through the connecting pin between dabber and the push-and-pull rod, is connected fixedly through being connected the shear pin between friction slips and the adapter sleeve, meets the card and can't remove when meeting the card when the instrument, realizes emergent releasing through breaking the connecting pin by force and connecting the shear pin, plays out the tool string more than the point of losing, reduces the operation risk.
Description
Technical Field
The utility model belongs to the technical field of oil gas field reservoir transformation, especially, relate to an electromagnetic positioner of whole friction slip casing coupling.
Background
The conventional casing coupling mechanical positioner for the coiled tubing mainly adopts a structure of an elastic sheet and a positioning clamping block, the positioning clamping block is always in an outwards-expanding state under the action of elastic force, if a pipe lifting string passes through a casing coupling, the positioning clamping block can meet clamping when passing through a joint of the casing coupling, the hanging weight of the coiled tubing is changed, and then the position of the casing coupling is judged, but the mechanical positioner can only be suitable for a common long-circle threaded buckling casing well.
With the development of the petroleum industry, special thread connection buckle types are gradually developed at home and abroad, and the special thread connections have good anti-thread gluing performance, reliable air-tight performance and high connection strength. Because the position of the air-tight buckle casing coupling does not have obvious reducing connection clearance like the common casing coupling, the existing common casing coupling mechanical positioner can not realize positioning in the special air-tight buckle casing well, thereby influencing the fracturing construction of the coiled tubing with bottom seal.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electromagnetic positioner of whole friction slip casing coupling, aim at provides one kind can realize the locator of sleeve pipe coupling location in the airtight packer sleeve well coiled tubing fracturing work progress.
In order to achieve the above object, the utility model adopts the following technical scheme:
an integral friction slip sleeve coupling electromagnetic positioner comprises a guide head, a release ring, a release pin, a support sleeve, a friction slip, a mandrel, a connecting sleeve, a push-pull rod and an electromagnetic control mechanism; the upper end of the push-pull rod is connected with the electromagnetic control mechanism, the lower end of the push-pull rod is connected with the inner side wall of the upper end of the mandrel, and the lower end of the mandrel is connected with the guide head; the release ring and the support shaft sleeve are sequentially sleeved at the lower part of the mandrel from bottom to top; the release ring is fixed with the mandrel through a release pin; an elastic mechanism is arranged between the release ring and the support shaft sleeve; the friction slip is sleeved outside the supporting shaft sleeve; the friction slips are of an integrated structure; the lower end of the connecting sleeve is arranged between the upper end of the mandrel and the upper part of the friction slip, and the friction slip is fixed with the connecting sleeve through a fixing piece.
The outer side wall of the friction slip is symmetrically and uniformly provided with cutting seams.
And the circumferential surface of the maximum outer diameter of the friction slip when the friction slip expands outwards is provided with a reticulate pattern knurl.
The outer side wall of the supporting shaft sleeve is annularly provided with a plurality of clamping grooves with right-angled triangular cross sections, and the upper parts of the clamping grooves are horizontal; and the inner side wall of the lower part of the friction slip is provided with a latch matched with the supporting shaft sleeve.
The elastic mechanism is a disc spring.
The mandrel and the push-pull rod are connected and fixed through a connecting pin.
The fixing piece for fixing the friction slip and the connecting sleeve adopts a connecting shear pin.
The electromagnetic control mechanism comprises a power execution component, a detection control component, a battery component and a lower joint; the lower joint, the battery component, the detection control component and the power execution component are sequentially connected to form a pipe column, and the battery component is electrically connected with the detection control component and the power execution component respectively; the power executing assembly consists of a telescopic rod, a connector, a lead screw and a speed reducer; the telescopic rod is connected with the speed reducer through a lead screw, and the connector is arranged on the telescopic rod; the connector is connected with a mechanical positioner; the detection control assembly at least comprises a single chip microcomputer and a magnetic positioner, and the single chip microcomputer is in electrical signal connection with the magnetic positioner; when the magnetic locator arranged in the detection control assembly passes through the casing coupling, the magnetic flux changes to generate electromotive force, the electromotive force generated by the tool in ascending and descending is different, and the power execution assembly is started when the tool is judged to be in descending by the singlechip; the tool consists of a magnetic signal driving mechanical positioner starting device and a mechanical positioner connected to the connector.
Has the advantages that:
because utility model relates to an instrument includes solenoid electric mechanism to adopted the structural design of whole friction slips, release ring, release round pin, connecting pin etc. produced following beneficial effect:
1. the utility model discloses use the accurate intelligent control signal of output of electromagnetic control mechanism, realized the accurate execution of electromagnetic positioner push-and-pull rod action to accomplish the accurate location of airtight cover pipe coupling of detaining.
2. The utility model discloses a setting of release ring, release pin causes the unable normal back that contracts of integral friction slips to cause when the electromagnetic potentiometer meets the card when the dabber can't normally reset, can break the release pin, makes the release ring move down, removes the limit function of release ring, and the compulsory integral friction slips that goes back contracts to remove the instrument and meet the card, effectively prevent the emergence of sticking the brill, safe and reliable.
3. The utility model discloses it is fixed to be connected through the connecting pin between dabber and the push-and-pull rod, is connected fixedly through being connected the shear pin between whole friction slips and the adapter sleeve, meets the card and can't remove when meeting the card when the instrument, and the accessible is broken the connecting pin by force and is connected the shear pin and realize emergent releasing, plays the tool string more than releasing the point, effectively reduces the operation risk.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the electromagnetic control mechanism of the present invention.
In the figure: 1-a guide head; 2-a release ring; 3-releasing the pin; 4-a disc spring; 5-supporting the shaft sleeve; 6-friction slips; 7-a mandrel; 8-connecting pins; 9-connecting shear pins; 10-connecting sleeves; 11-a push-pull rod; 12-an electromagnetic control mechanism; 13-a telescopic rod; 14-a connector; 15-a lead screw; 16-a reducer; 17-detecting a control component; 18-a battery assembly; 19-lower joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
the integral friction slip sleeve coupling electromagnetic positioner shown in fig. 1 and 2 comprises a guide head 1, a release ring 2, a release pin 3, a support sleeve 5, a friction slip 6, a mandrel 7, a connecting sleeve 10, a push-pull rod 11 and an electromagnetic control mechanism 12; the upper end of the push-pull rod 11 is connected with the electromagnetic control mechanism 12, the lower end of the push-pull rod 11 is connected with the inner side wall of the upper end of the mandrel 7, and the lower end of the mandrel 7 is connected with the guide head 1; the release ring 2 and the support shaft sleeve 5 are sequentially sleeved on the lower part of the mandrel 7 from bottom to top; the release ring 2 is fixed with the mandrel 7 through a release pin 3; an elastic mechanism is arranged between the release ring 2 and the support shaft sleeve 5; the friction slip 6 is sleeved outside the supporting shaft sleeve 5; the friction slips 6 are of an integrated structure; the lower end of the connecting sleeve 10 is arranged between the upper end of the mandrel 7 and the upper part of the friction slip 6, and the friction slip 6 is fixed with the connecting sleeve 10 through a fixing piece.
When the electromagnetic positioning device is actually used, the integral friction slip casing coupling electromagnetic positioner is connected to the lower end of a coiled tubing string, when the coiled tubing is lifted for casing coupling positioning, the electromagnetic control mechanism 12 outputs a stable pulling force according to the detected magnetic flux change and acts on the push-pull rod 11 when the tool goes upward and passes through each casing coupling, so that the push-pull rod 11 executes a retraction and temporary holding action; when the push-pull rod 11 performs retraction and temporary holding actions, the mandrel 7 and the supporting shaft sleeve 5 are pulled to retract together, the supporting shaft sleeve 5 stretches the friction slip 6, the circumferential surface of the maximum outer diameter of the friction slip 6 is temporarily attached to the inner wall of the casing, so that the friction force is temporarily increased suddenly, the lifting weight of the coiled tubing string is further temporarily increased suddenly, the position of a casing coupling is judged, and the positioning of the casing coupling is realized; after the push-pull rod 11 performs retraction and temporary holding actions, a resetting action is performed subsequently, along with the resetting of the push-pull rod 11, the mandrel 7 and the support shaft sleeve 5 are reset together, the circumferential surface of the maximum outer diameter of the friction slip 6 retracts, the friction force between the circumferential surface and the inner wall of the casing pipe is reduced, and meanwhile, the lifting hanging weight of the coiled tubing string is reduced and is restored to a normal hanging weight state, so that a casing coupling positioning action is completed; when the mandrel 7 cannot be normally reset to cause the friction slip 6 to be normally retracted so as to cause the electromagnetic potentiometer to encounter the jam, the release pin 3 is broken to enable the release ring 2 to move downwards, the limit function of the release ring 2 is relieved, the friction slip 6 is forcibly retracted to relieve the tool encountering jam, when the tool encounters the jam and cannot be normally relieved, the connecting pin 8 and the connecting shear pin 9 are forcibly broken to realize emergency release, a tool string above a release point is pulled out, and primary positioning of the casing coupling can be realized; and repeating the processes along with the lifting of the coiled tubing to realize the sequential positioning of the casing couplings.
The utility model discloses use the accurate intelligent control signal of output of electromagnetic control mechanism, realized the accurate execution of electromagnetic positioner push-and-pull rod action to accomplish the accurate location of airtight cover pipe coupling of detaining. The utility model discloses a setting of release ring, release pin causes the unable normal back that contracts of integral friction slips to cause when the electromagnetic potentiometer meets the card when the dabber can't normally reset, can break the release pin, makes the release ring move down, removes the limit function of release ring, and the compulsory integral friction slips that goes back contracts to remove the instrument and meet the card, effectively prevent the emergence of sticking the brill, safe and reliable. The utility model discloses it is fixed to be connected through the connecting pin between dabber and the push-and-pull rod, is connected fixedly through being connected the shear pin between whole friction slips and the adapter sleeve, meets the card and can't remove when meeting the card when the instrument, and the accessible is broken the connecting pin by force and is connected the shear pin and realize emergent releasing, plays the tool string more than releasing the point, effectively reduces the operation risk.
Example two:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: the outer side wall of the friction slip 6 is symmetrically and uniformly provided with cutting seams.
When in actual use, the friction slip 6 adopts the technical scheme, the friction slip 6 keeps the smoothness of the outer side wall in a normal state, and when the friction slip 6 is forcedly propped open, the slot is cracked to increase the friction force of the contact surface with the slot.
Example three:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: and the circumferential surface of the maximum outer diameter of the friction slip 6 when expanding outwards is provided with reticulate patterns and knurls.
In practical use, the friction slip 6 adopts the technical scheme that the circumferential surface with the maximum outer diameter is provided with the reticulate pattern knurls when expanding outwards, so that the friction force of a contact surface with the friction slip is effectively increased.
Example four:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: the outer side wall of the supporting shaft sleeve 5 is annularly provided with a plurality of clamping grooves with right-angled triangular cross sections, and the upper parts of the clamping grooves are horizontal; and the inner side wall of the lower part of the friction slip 6 is provided with a latch matched with the supporting shaft sleeve 5.
When in actual use, supporting shaft sleeve 5 adopts the annular upper portion horizontally technical scheme that sets up multistage cross-section for right triangle's draw-in groove and draw-in groove of lateral wall, has guaranteed the utility model discloses when normal in-service use, the stability that supporting shaft sleeve 5 and friction slips 6 are connected. The utility model discloses when normal in-service use, friction slips 6 can be propped open smoothly and hug closely with the interior wall of casing, accomplish its predetermined function.
Example five:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: the elastic mechanism is a disc spring 4.
When in actual use, the belleville spring 4 is arranged between the release ring 2 and the support shaft sleeve 5, so that the buffer effect is better played, and the stability is better.
Example six:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: the mandrel 7 and the push-pull rod 11 are fixedly connected through a connecting pin 8.
During the in-service use, being connected fixedly through connecting pin 8 between dabber 7 and the push-and-pull rod 11, can effectually guarantee that the instrument meets the card and can't normally relieve when meeting the card, the accessible is broken connecting pin 8 by force and is connected shear pin 9 and realize emergent releasing, plays the tool string more than releasing the point, has effectively reduced the risk of operation.
Example seven:
an electromagnetic positioner for an integral friction slip coupling according to fig. 1 differs from the first embodiment in that: the friction slips 6 and the connecting sleeve 10 are fixedly connected through the connecting shear pin 9.
During the in-service use, friction slips 6 and adapter sleeve 10 are through connecting shear pin 9 fixed connection, can effectual assurance instrument meet the card and can't normally relieve when meeting the card, and the accessible is broken connecting pin 8 by force and is connected shear pin 9 and realize emergent releasing, plays the tool string more than releasing the point, has effectively reduced the risk of operation.
Example eight:
an electromagnetic positioner for an integral friction slip coupling according to the embodiments of figures 1 and 2 differs from the embodiments in that: the electromagnetic control mechanism 12 comprises a power executing component, a detection control component 17, a battery component 18 and a lower connector 19; the lower joint 19, the battery assembly 18, the detection control assembly 17 and the power execution assembly are sequentially connected to form a pipe column, and the battery assembly 18 is electrically connected with the detection control assembly 17 and the power execution assembly respectively; the power executing assembly consists of a telescopic rod 13, a connector 14, a screw rod 15 and a speed reducer 16; the telescopic rod 13 is connected with the speed reducer 16 through a screw rod 15, and the connector 14 is arranged on the telescopic rod 13; the connector 14 is connected with a mechanical positioner; the detection control assembly 17 at least comprises a single chip microcomputer and a magnetic positioner, and the single chip microcomputer is in electrical signal connection with the magnetic positioner; when the magnetic locator arranged in the detection control assembly 17 passes through the casing coupling, the magnetic flux changes to generate electromotive force, the electromotive force generated by the tool in ascending and descending is different, and the power execution assembly is started when the tool is judged to be in descending by the singlechip; the tool consists of a magnetic signal driving mechanical positioner starting device and a mechanical positioner connected to the connector 14.
In the embodiment, the reducer 16 adopts a large-torque direct-current motor with a planetary reducer; the battery assembly 18 is a high temperature battery assembly.
After the power execution assembly receives a starting signal, the high-torque direct current motor drives the planetary reducer 16 to drive the screw rod 15 to retract, meanwhile, the telescopic rod 13 is driven to retract, and the mechanical positioning device connected to the telescopic rod 13 is started; when the power executing component receives the signal unchanged, the power executing component controls the telescopic rod 13 to keep the current state; after the power execution assembly receives a closing signal, the large-torque direct current motor drives the lead screw 15 to drive the telescopic rod 13 to reset by driving the planetary reducer 16, and the mechanical positioner connected to the telescopic rod 13 is closed.
The utility model discloses at the during operation, be connected with mechanical positioner through connector 14. The utility model provides a battery pack 18 provides the power for detecting control assembly 17 and power executive module. The sensing and control assembly 17 uses magnetic elements to determine casing collar locations. The high-torque direct current motor is provided with a planetary reducer 16 to drive a lead screw 15 so as to realize the rapid retraction/reset action of the telescopic rod 13, and the self-locking of the lead screw 15 is relied to realize the 'holding' state of the telescopic rod after the retraction tension reaches the maximum value. When the utility model works, when a casing coupling is detected, a working signal can be generated to control the power execution component to start/close; the utility model discloses a discernment sleeve pipe wall thickness control mechanical positioner realizes the target layer location. The starting device is provided with a detection control assembly 17, when the short coupling passes through, the opening/closing of the power execution assembly is controlled by the change of magnetic flux, and the opening/closing of a mechanical positioning device connected to the power execution assembly can be realized, so that the positioning function is realized.
The utility model discloses well detection control subassembly passes through the change signal of magnetic flux as intelligent control signal, has realized the special function demand of electromechanical actuating mechanism intermittent type nature work of automatic control.
Example nine:
the positioning method of the integral friction slip casing coupling electromagnetic positioner comprises the following steps
The method comprises the following steps: connecting the integral friction slip casing coupling electromagnetic positioner to the lower end of a coiled tubing string, and when the coiled tubing is lifted up to position the casing couplings, outputting a stable pulling force according to the detected magnetic flux change and acting on the push-pull rod 11 when the electromagnetic control mechanism 12 moves upwards along with a tool and passes through each casing coupling, so that the push-pull rod 11 performs a retraction and temporary holding action;
step two: when the push-pull rod 11 performs retraction and temporary holding actions, the mandrel 7 and the supporting shaft sleeve 5 are pulled to retract together, the supporting shaft sleeve 5 stretches the friction slip 6, the circumferential surface of the maximum outer diameter of the friction slip 6 is temporarily attached to the inner wall of the casing, so that the friction force is temporarily increased suddenly, the lifting weight of the coiled tubing string is further temporarily increased suddenly, the position of a casing coupling is judged, and the positioning of the casing coupling is realized;
step three: after the push-pull rod 11 performs retraction and temporary holding actions, a resetting action is performed subsequently, along with the resetting of the push-pull rod 11, the mandrel 7 and the support shaft sleeve 5 are reset together, the circumferential surface of the maximum outer diameter of the friction slip 6 retracts, the friction force between the circumferential surface and the inner wall of the casing pipe is reduced, and meanwhile, the lifting hanging weight of the coiled tubing string is reduced and is restored to a normal hanging weight state, so that a casing coupling positioning action is completed; when the mandrel 7 cannot be normally reset to cause the friction slip 6 to be normally retracted so that the electromagnetic potentiometer meets the clamping, the release pin 3 is broken to enable the release ring 2 to move downwards, the limiting function of the release ring 2 is relieved, the friction slip 6 is forcibly retracted to relieve the tool from meeting the clamping, and when the tool meets the clamping and cannot be normally relieved from meeting the clamping, the connecting pin 8 and the connecting shear pin 9 are forcibly broken to realize emergency releasing, and a tool string above a releasing point is pulled out;
step four: and (4) repeating the first step, the second step and the third step along with the lifting of the coiled tubing, so that the sequential positioning of the casing coupling can be realized.
When in actual use, the utility model accurately outputs control signals through the electromagnetic control mechanism, and realizes the accurate execution of the action of the push-pull rod 11, thereby completing the accurate positioning of the airtight buckling sleeve coupling; the utility model discloses set up release ring 2 and release pin 3, make the unable normal return of dabber cause the unable normal back of whole friction slips to return and cause the electromagnetic potentiometer to meet when the card, can snap release pin 3, make release ring 2 move down, remove the limit function of release ring 2, force friction slips 6 to return to remove the instrument and meet the card, effectively prevent the emergence of sticking to bore, safe and reliable. The mandrel 7 and the push-pull rod 11 are fixedly connected through the connecting pin 8, the friction slip 6 and the connecting sleeve 10 are fixedly connected through the connecting shear pin 9, when a tool is blocked and cannot be released from the blocking, the connecting pin 8 can be broken by force through the accessible and the shear pin 9 can be connected to realize emergency releasing, a tool string above a releasing point is pulled out, and the risk of operation is effectively reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an electromagnetic positioner of whole friction slip coupling which characterized in that: the device comprises a guide head (1), a release ring (2), a release pin (3), a support shaft sleeve (5), a friction slip (6), a mandrel (7), a connecting sleeve (10), a push-pull rod (11) and an electromagnetic control mechanism (12); the upper end of the push-pull rod (11) is connected with the electromagnetic control mechanism (12), the lower end of the push-pull rod (11) is connected with the inner side wall of the upper end of the mandrel (7), and the lower end of the mandrel (7) is connected with the guide head (1); the release ring (2) and the support shaft sleeve (5) are sequentially sleeved on the lower part of the mandrel (7) from bottom to top; the release ring (2) is fixed with the mandrel (7) through a release pin (3); an elastic mechanism is arranged between the release ring (2) and the support shaft sleeve (5); the friction slip (6) is sleeved outside the supporting shaft sleeve (5); the friction slip (6) is of an integrated structure; the lower end of the connecting sleeve (10) is arranged between the upper end of the mandrel (7) and the upper part of the friction slip (6), and the friction slip (6) is fixed with the connecting sleeve (10) through a fixing piece.
2. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the outer side wall of the friction slip (6) is symmetrically and uniformly provided with cutting seams.
3. An integral friction slip coupling electromagnetic locator as claimed in claim 1 or claim 2 wherein: and the circumferential surface of the maximum outer diameter of the friction slip (6) when expanding outwards is provided with reticulate patterns and knurls.
4. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the outer side wall of the supporting shaft sleeve (5) is annularly provided with a plurality of clamping grooves with right-angled triangular sections, and the upper parts of the clamping grooves are horizontal; and the inner side wall of the lower part of the friction slip (6) is provided with a latch matched with the supporting shaft sleeve (5).
5. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the elastic mechanism is a disc spring (4).
6. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the mandrel (7) and the push-pull rod (11) are fixedly connected through a connecting pin (8).
7. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the fixing piece for fixing the friction slip (6) and the connecting sleeve (10) adopts a connecting shear pin (9).
8. The integrated friction slip coupling electromagnetic positioner of claim 1, wherein: the electromagnetic control mechanism (12) comprises a power execution component, a detection control component (17), a battery component (18) and a lower joint (19); the lower joint (19), the battery assembly (18), the detection control assembly (17) and the power execution assembly are sequentially connected to form a pipe column, and the battery assembly (18) is electrically connected with the detection control assembly (17) and the power execution assembly respectively; the power execution assembly consists of a telescopic rod (13), a connector (14), a lead screw (15) and a speed reducer (16); the telescopic rod (13) is connected with the speed reducer (16) through a lead screw (15), and the connector (14) is arranged on the telescopic rod (13); the connector (14) is connected with a mechanical positioner; the detection control assembly (17) at least comprises a single chip microcomputer and a magnetic positioner, and the single chip microcomputer is in electrical signal connection with the magnetic positioner; when a magnetic locator arranged in the detection control assembly (17) passes through a casing coupling, magnetic flux changes to generate electromotive force, the electromotive force generated by the tool in ascending and descending is different, and the power execution assembly is started when the tool is judged to be in descending by the singlechip; the tool consists of a magnetic signal driving mechanical positioner starting device and a mechanical positioner connected to the connector (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020320357.9U CN212428805U (en) | 2020-03-16 | 2020-03-16 | Integral friction slip sleeve coupling electromagnetic positioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020320357.9U CN212428805U (en) | 2020-03-16 | 2020-03-16 | Integral friction slip sleeve coupling electromagnetic positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236924A (en) * | 2020-03-16 | 2020-06-05 | 中国石油天然气集团有限公司 | Integral friction slip sleeve coupling electromagnetic positioner and method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236924A (en) * | 2020-03-16 | 2020-06-05 | 中国石油天然气集团有限公司 | Integral friction slip sleeve coupling electromagnetic positioner and method |
| CN111236924B (en) * | 2020-03-16 | 2024-06-21 | 中国石油天然气集团有限公司 | Electromagnetic positioner and method for integral friction slip casing collar |
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