CN209324337U - Downhole tool detection device - Google Patents
Downhole tool detection device Download PDFInfo
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- CN209324337U CN209324337U CN201920029894.5U CN201920029894U CN209324337U CN 209324337 U CN209324337 U CN 209324337U CN 201920029894 U CN201920029894 U CN 201920029894U CN 209324337 U CN209324337 U CN 209324337U
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- downhole tool
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- detection device
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Abstract
The utility model relates to natural gas technical field of petroleum extraction, disclose a kind of downhole tool detection device.Downhole tool detection device provided by the embodiment of the utility model is connected to the hoistway of oil/gas well for side, and contact wheel stretches in hoistway.When downhole tool moves to the location of contact wheel, downhole tool presses to contact wheel, work department is forced to move to trigger position, the first trigger and the first detector cooperate at this time, first detector exports first detection signal, can determine that downhole tool reaches the location of downhole tool detection device according to the first detection signal.At the same time, in downhole tool motion process, downhole tool is contacted with contact wheel, and contact wheel is driven to rotate, so that the second trigger and the intermittent cooperation of the second detector, intermittent the second detection of the output signal of the second detector.The number of the second detection signal exported within the unit time according to the second detector can determine the revolving speed of contact wheel and the movement velocity of downhole tool.
Description
Technical field
The utility model relates to natural gas technical field of petroleum extraction more particularly to a kind of downhole tool detection devices.
Background technique
For the downhole tool to work in the hoistway of oil well or the natural gas well (under be referred to as oil/gas well), know that it is
Some predeterminated position in no arrival hoistway and speed when reaching the predeterminated position may be very important.Especially exist
The downhole tool for being driven and being moved by gravity or fluid thrust in hoistway, knows whether it reaches some predeterminated position in hoistway
And speed when reaching the predeterminated position, it is most important to the control of oil/gas well or downhole tool.
However, currently lack reliable equipment for detect downhole tool whether reach some predeterminated position in hoistway with
And speed when reaching the predeterminated position.Currently, the position of micro-judgment downhole tool can only be used in most cases, it is quasi-
Exactness is low.In some cases it is also possible to according to the frictional force between Fluid pressure, downhole tool and the hoistway in hoistway, well
The parameters such as the weight of lower tool and time indirectly calculate position of the downhole tool in hoistway, and it is low that this equally exists accuracy
Problem.And it is no for downhole tool reach hoistway in some predeterminated position when speed, currently without preferable method carry out
Detection.
Utility model content
The purpose of this utility model is to provide a kind of downhole tool detection devices, are able to detect whether downhole tool arrives
Up to some predeterminated position in hoistway, and it is able to detect speed when downhole tool reaches the predeterminated position.
The embodiments of the present invention are achieved through the following technical solutions:
Downhole tool detection device, comprising: matrix offers in described matrix and along the longitudinal direction extends and front end is open
Service aisle；Work department, the work department is arranged in the service aisle, and is configured to along the longitudinal direction in contact position
It is moved between trigger position；Resetting-mechanism, the resetting-mechanism are configured to apply reset force so that institute to the work department
It states work department and has the trend moved to the contact position；Contact wheel, the contact wheel are rotatably coupled to the work
At least part of the front end in portion, the contact wheel is extend out to outside the service aisle from the service aisle front end；First touching
Device and the second trigger are sent out, first trigger is arranged in the work department, and the setting of the second trigger bias exists
On the contact wheel；And first detector and the second detector, along from the first detector described in rear to preceding direction and described
Second detector is set gradually on the matrix；Wherein, when the working position is when the trigger position, described first is touched
It sends out device and first detector cooperates；It is described when the working position is in the trigger position and the contact wheel rotates
Second trigger and the intermittent cooperation of the second detector.
It further, further include locating part, the setting that the locating part can move along the longitudinal direction is in the service aisle
Interior, the locating part is configured to optionally with the work department against to prevent the work department from moving backward.
It further, further include operation portion；Match with the locating part rear end that the operation portion enters the service aisle
It closes, the operating mechanism is configured to limit the position of the locating part in the longitudinal direction.
Further, the locating part is rod-like members, is arranged between the locating part and the inner wall of the service aisle
There is shaft sealing mechanism.
Further, the shaft sealing mechanism includes first limit radially inwardly projecting by the inner wall of the service aisle
Ring and the second stop collar；First stop collar and second stop collar are run through by the locating part；The shaft sealing mechanism
It further include sealing shroud, resilient sleeve and the spring being arranged between first stop collar and second stop collar；The sealing
Set is slideably sheathed on the locating part；The sealing shroud projects radially outward to be formed close to one end of first stop collar
Contact ring；The resilient sleeve is sheathed on the sealing shroud；One end of the spring and second stop collar against；The spring
The other end act on the resilient sleeve so that the resilient sleeve is close to the contact ring, and make the contact ring abutting described the
One stop collar；The outer peripheral surface of the resilient sleeve is contacted with the inner wall of the service aisle；The inner peripheral surface of the resilient sleeve with it is described
The periphery face contact of sealing shroud；The periphery face contact of the inner peripheral surface of the sealing shroud and the locating part.
Further, the operation portion is threadedly coupled with the service aisle, the rear end of the locating part and the operation
Portion against.
Further, the underground work check device further includes mounting portion；It offers in described matrix and prolongs from back to front
The mounting hole stretched；The front end of the mounting hole is closed and rear end is open；The mounting hole is not connected to the service aisle；It is described
First detector and second detector are mounted on the mounting portion；The mounting portion is inserted and secured on the mounting hole
It is interior.
Further, it is offered on the mounting portion from its rear end and extends forwardly into first detector and described second
Communication channel at detector；The rear end of the communication channel is in communication with the outside.
Further, the surface of the work department offers annular groove；Multiple balls are provided in the annular groove, it is described
Ball is configured to be in rolling contact with the inner wall of the service aisle.
Further, first trigger and second trigger are magnet；First detector and described
Second detector is magnetic proximity sensor.
The technical solution of the utility model is at least had the following advantages and beneficial effects:
Downhole tool detection device provided by the embodiment of the utility model is connected to the hoistway of oil/gas well, contact wheel for side
It stretches in hoistway.When downhole tool moves to the location of contact wheel, downhole tool presses to contact wheel, forces work
Portion moves to trigger position, and the first trigger and the first detector cooperate at this time, and the first detector exports first detection signal, root
It can determine that downhole tool reaches the location of downhole tool detection device according to the first detection signal.At the same time, in well
During lower movement of tool, downhole tool is contacted with contact wheel, and contact wheel is driven to rotate, so that the second trigger and the second inspection
Survey the intermittent cooperation of device, intermittent the second detection of the output signal of the second detector.The movement velocity of downhole tool is faster, then contacts
The speed for taking turns rotation is faster, so that the number for the second detection signal that the second detector exports within the unit time is more.According to
The number for the second detection signal that second detector exports within the unit time can determine the revolving speed of contact wheel, further root
Revolving speed according to contact wheel is the movement velocity that can determine downhole tool.
Detailed description of the invention
It is to be used attached to being needed in embodiment below for the clearer technical solution for illustrating the utility model embodiment
Figure is briefly described.It should be appreciated that the following drawings illustrates only the certain embodiments of the utility model, it is not construed as pair
The limitation of the scope of the utility model.To those skilled in the art, without creative efforts, Neng Gougen
Other accompanying drawings are obtained according to these attached drawings.
Fig. 1 is the external structure schematic diagram of downhole tool detection device provided by the embodiment of the utility model；
Fig. 2 is the structural representation under the first state of downhole tool detection device provided by the embodiment of the utility model
Figure；
Fig. 3 is the structural representation under second of state of downhole tool detection device provided by the embodiment of the utility model
Figure；
Fig. 4 is the structural representation under the third state of downhole tool detection device provided by the embodiment of the utility model
Figure；
Fig. 5 is the schematic diagram of the section structure of matrix in downhole tool detection device provided by the embodiment of the utility model；
Fig. 6 is the schematic perspective view of work department in downhole tool detection device provided by the embodiment of the utility model；
Fig. 7 a is the first working state figure of downhole tool detection device provided by the embodiment of the utility model；
Fig. 7 b is second of working state figure of downhole tool detection device provided by the embodiment of the utility model；
Fig. 7 c is the third working state figure of downhole tool detection device provided by the embodiment of the utility model.
In figure: 010- downhole tool detection device；020- downhole tool；030- hoistway；040- production pipeline；110- base
Body；111- service aisle；111a- first passage；111b- second channel；111c- third channel；112- mounting hole；120- work
Portion；121- holding tank；122- support arm；123- shaft hole；124- reset hole；125- relief hole；126- annular groove；127- rolling
Pearl；130- resetting-mechanism；140- contact wheel；141- shaft；142- bearing；The first trigger of 150-；The second trigger of 160-；
The first detector of 170-；The second detector of 180-；190- locating part；200- shaft sealing mechanism；The first stop collar of 201-；202-
Two stop collars；203- sealing shroud；204- resilient sleeve；205- spring；206- contacts ring；207- becket；210- mounting portion；211-
Communication channel；220- operation portion.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing, to this
Technical solution in utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.
Therefore, below to the detailed description of the embodiments of the present invention be not intended to limit claimed it is practical new
The range of type, but it is merely representative of the section Example of the utility model.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without creative efforts belongs to the utility model guarantor
The range of shield.
It should be noted that in the absence of conflict, feature in the embodiments of the present invention and embodiment and
Technical solution can be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", "front", "rear" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, this kind of art
Language is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the utility model, " natural gas well " can be the natural gas well for acquiring conventional gas, can also
To be the natural gas well for acquiring Unconventional gas (shale gas, coal bed gas etc.).
Embodiment 1:
Fig. 1 is the external structure schematic diagram of downhole tool detection device 010 provided in this embodiment.Fig. 2 is the present embodiment
Structural schematic diagram under the first state of the downhole tool detection device 010 of offer, wherein work department 120 is located at contact position
It sets.Fig. 3 is the structural schematic diagram under second of state of downhole tool detection device 010 provided in this embodiment, wherein working
Portion 120 is located at trigger position.Fig. 4 is the structure under the third state of downhole tool detection device 010 provided in this embodiment
Schematic diagram, wherein locating part 190 is with work department 120 against to prevent work department 120 from moving backward.
Downhole tool detection device 010 provided in this embodiment includes matrix 110.Fig. 5 is underground provided in this embodiment
In tool detection device 010, the schematic diagram of the section structure of matrix 110.Matrix 110 is cylindrical-shaped structure, and axis is along front and back
To extension.External screw thread is offered in the outer peripheral surface of matrix 110, so that matrix 110 can be threaded on oil/gas well.In matrix
The service aisle 111 extended along the longitudinal direction is offered on 110.The front-end and back-end of service aisle 111 are open, so that work
Channel 111 is in communication with the outside in the case where no seal approach.The cross sectional shape of service aisle 111 is circle.Further, exist
In the present embodiment, service aisle 111 includes first passage 111a, the second channel 111b being sequentially communicated along direction from front to back
With third channel 111c.First passage 111a, second channel 111b and third channel 111c are coaxial, also, first passage 111a
Internal diameter be greater than the internal diameter of second channel 111b, the internal diameter of second channel 111b is greater than the internal diameter of third channel 111c.
Downhole tool detection device 010 provided in this embodiment further includes work department 120.Fig. 6 is provided in this embodiment
In downhole tool detection device 010, the schematic perspective view of work department 120.Work department 120 is arranged in first passage 111a
Interior, work department 120 has the periphery being adapted with first passage 111a, so that work department 120 can be in first passage
It is moved between contact position (position shown in Fig. 2) and trigger position (position shown in Fig. 3) along the longitudinal direction in 111a.Work
The front end for making portion 120 offers the holding tank 121 to extend back.The front end of work department 120 is divided into symmetrically by holding tank 121
Two support arms 122.Shaft hole 123 is offered on support arm 122.Shaft hole 123 on two support arms 122 is coaxial.
Downhole tool detection device 010 provided in this embodiment further includes resetting-mechanism 130.Resetting-mechanism 130 is constructed
To apply forward reset force to work department 120, so that work department 120 has the trend moved to contact position.Not by it
In the case where his external force, work department 120 moves to contact position under the drive of resetting-mechanism 130.By external force backward
In the case of, work department 120 overcomes the reset force of resetting-mechanism 130 to move to trigger position.In the present embodiment, resetting-mechanism
130 be spring.The reset hole 124 extended forward is offered in the rear end of work department 120.The front end of resetting-mechanism 130 is received
Against the rear end of resetting-mechanism 130 and first passage 111a and second are logical in reset hole 124 and with the end of reset hole 124
Step surface between road 111b against.It should be understood that in other embodiments, resetting-mechanism 130 can be using other knots
Structure is realized, as long as it can provide work department 120 lasting reset force.Such as resetting-mechanism 130 is that homopolarity is set relatively
The two blocks of magnet set, along being separately positioned in work department 120 and matrix 110, the repulsive force of two blocks of magnet is constituted to be applied the two
Reset force in work department 120.
Downhole tool detection device 010 provided in this embodiment further includes contact wheel 140.Contact wheel 140 is located at holding tank
In 121.Shaft 141 runs through contact wheel 140, and the both ends of shaft 141 are inserted into respectively in two shaft holes 123.Contact wheel 140 can be
It is rotated under the action of external force.A part of contact wheel 140 is located at outside holding tank 121, i.e. a part of contact wheel 140 is opposite forward
It is protruded in the front end face of work department 120, in order to which contact wheel 140 is contacted with downhole tool.In the present embodiment, contact wheel 140
Bearing 142 is additionally provided between shaft 141, so that contact wheel 140 can be rotated more smoothly.
Downhole tool detection device 010 provided in this embodiment further includes the first trigger 150, the second trigger 160,
One detector 170 and the second detector 180.First trigger 150 is arranged in work department 120,160 bias of the second trigger
It is arranged on contact wheel 140.First detector 170 and the second detector 180 are arranged on matrix 110, and the first detection
Device 170 is located at the rear of the second detector 180.First detector 170 is used to cooperate with the first trigger 150, the second detector
180 with the second trigger 160 for cooperating.
Fig. 7 a is the first working state figure of downhole tool detection device 010 provided in this embodiment, at this time underground work
Tool 020 is not contacted with contact wheel 140.Fig. 7 b is second of work shape of downhole tool detection device 010 provided in this embodiment
State figure, downhole tool 020 squeezes contact wheel 140 and moves backward at this time.It is connected to by downhole tool detection device 010 on hoistway 030,
And contact wheel 140 stretches in hoistway 030.Downhole tool 020 moves up and down along hoistway 030.When downhole tool 020 is not transported
When moving to downhole tool 010 present position of detection device, work department 120 is located at contact position, the first detector 170 and the first touching
Hair device 150 is staggered, and the first detector 170 can not detect that the first trigger 150, the first detector 170 export low level.Second
Detector 180 is staggered with the second trigger 160, and the second detector 180 can not detect the second trigger 160, the second detector
180 output low levels.When downhole tool 020 moves to the location of downhole tool detection device 010, downhole tool 020
Contact wheel 140 is squeezed in the process of movement, power backward is applied to contact wheel 140, so that work department 120 moves to touching backward
Position is sent out, the first trigger 150 and the first detector 170 cooperate at this time, and the first detector 170 exports high level (the i.e. first inspection
Survey signal).It can determine that downhole tool 020 reaches the location of downhole tool detection device 010 according to first detection signal.
During downhole tool 020 is moved along hoistway 030 and squeezes contact wheel 140, downhole tool 020 drives 140 turns of contact wheel
It is dynamic, so that the second trigger 160 and the intermittent cooperation of the second detector 180, the intermittent output high level of the second detector 180
(the i.e. second detection signal).The movement velocity of downhole tool 020 is faster, then the speed that contact wheel 140 rotates is faster, so that second
Detector 180 is more with the number of the second trigger 160 cooperation within the unit time, the second detection of the second detector 180 output
The number of signal is also more.The number of the second detection signal exported within the unit time according to the second detector 180 can be true
Determine the revolving speed of contact wheel 140, is further the movement velocity that can determine downhole tool 020 according to the revolving speed of contact wheel 140.
It should be further noted that working as since contact wheel 140 can rotate under the drive of downhole tool 020
For downhole tool 020 during squeezing contact wheel 140 backward when flip-flop movement, contact wheel 140 will not be to underground work
The opposite direction movement of tool 020 causes to hinder, and avoids the case where downhole tool 020 is stuck.
Downhole tool detection device 010 provided in this embodiment further includes locating part 190.The setting of locating part 190 is working
In channel 111, and it can move along the longitudinal direction.Locating part 190 can travel forward until with work department 120 against.Work as work
When making portion 120 and not reaching trigger position, locating part 190 and work department 120 are against can prevent work department 120 from moving backward.
Fig. 7 c is the third working state figure of downhole tool detection device 010 provided in this embodiment, and downhole tool 020 is caught at this time
It catches.In the present embodiment, downhole tool 020 is plunger, and downhole tool detection device 010 is arranged in slightly above production pipeline 040
Position.In 020 uplink of state downhole tool that drives a well.When the lower end of downhole tool 020 reaches the position of slightly above production pipeline 040
When setting, the fluid in 020 lower section hoistway 030 of downhole tool enters production pipeline 040, the Fluid pressure of 020 lower section of downhole tool
It reduces, the fluid thrust that downhole tool 020 is subject to reduces, and downhole tool 020, which moves downward, blocks entering for production pipeline 040
Mouthful.At this point, the Fluid pressure of 020 lower section of downhole tool increases, the fluid thrust that downhole tool 020 is subject to rises, so that underground
Tool 020 moves upwards, and the entrance of production pipeline 040 exposes.In this way, downhole tool 020 can dynamically rest on production pipeline
Position near 040.In this process, downhole tool 020, which squeezes contact wheel 140, moves it backward, the first detector 170
Detect signal in output position.At this point, making locating part 190 travel forward until with work department 120 against prevention 120 He of work department
Contact wheel 140 moves backward.Downhole tool 020 can both be captured by contact wheel 140 in this way, downhole tool 020 is positioned
Position is presently at it.After closing well, the upward fluid thrust that downhole tool 020 is subject to is reduced or is disappeared, downhole tool
020 can still be maintained at the location of downhole tool detection device 010, at this time can safety taking-up downhole tool
020 or to downhole tool 020 carry out other operation.
In the present embodiment, the position of locating part 190 is limited using operation portion 220.Operation portion 220 enters third channel
111c simultaneously cooperates with locating part 190, and operation portion 220 is configured to limit the position of locating part 190 in the longitudinal direction.Operation portion
220 can take various forms realization, such as linear motor, hydraulic cylinder or pneumatic cylinder etc..In the present embodiment, locating part 190
Position rod-like members, front end are located in first passage 111a, are used for work department 120 against its rear end passes through second channel
111b is simultaneously stretched in third channel 111c.Internal screw thread is provided in third channel 111c, operation portion 220 is outside circumferential surface is provided with
The column of screw thread.Operation portion 220 is threadedly coupled with third channel 111c.Rotating operating unit 220, so that operation portion 220 is
It is moved forward and backward in triple channel 111c.Pressure fluid in hoistway 030 enters first passage 111a by the front end of service aisle 111
It is interior, thrust backward is applied to the end face of locating part 190 so that locating part 190 move backward and with operation portion 220 against.When
When operation portion 220 moves backward, locating part 190 under the action of fluid thrust as operation portion 220 moves backward so that limit
Part 190 will not be contacted with work department 120.When needing to capture downhole tool 020, rotating operating unit 220, make operation portion 220 to
Preceding movement, and then drive locating part 190 to travel forward until with work department 120 against prevention work department 120 moves backward, complete
The capture of pairs of downhole tool 020.
Further, the point diameter of locating part 190 is greater than the diameter of 190 rear end of locating part.Capturing downhole tool 020
When, locating part 190 front end insertion reset hole 124 in, and with the front end of reset hole 124 against.
Further, the relief hole 125 of connection reset hole 124 and holding tank 121 is offered in work department 120.Work as well
When being in high pressure conditions in road 030, the pressure in hoistway 030 is possible to that work department 120 is prevented to move to contact position.Setting is let out
After pressing hole 125, the pressure fluid in hoistway 030 can readily enter in first passage 111a, so that pressing before and after work department 120
Dynamic balance, it is ensured that work department 120 can move to contact position under the action of resetting-mechanism 130.In addition, into first passage
Pressure fluid in 111a can apply thrust backward to locating part 190, it is ensured that locating part 190 is in a rearward position, avoids
When not needing to capture downhole tool 020, work department 120 collides with locating part 190.
Further, in the present embodiment, sealing machine is provided between locating part 190 and the inner wall of second channel 111b
Structure 200, so as to form good dynamic sealing between locating part 190 and the inner wall of second channel 111b.Shaft sealing mechanism 200 includes
By the first radially inwardly projecting stop collar 201 of the inner wall of second channel 111b, (the first stop collar 201 limits third channel
111c) and the second stop collar 202.First stop collar 201 and the second stop collar 202, which are limited part 190, slidably to be run through.Axis
Sealing mechanism 200 further includes the sealing shroud 203 being arranged between the first stop collar 201 and the second stop collar 202, resilient sleeve 204
With spring 205.Sealing shroud 203 is set on locating part 190, sealing shroud 203 close to one end of the first stop collar 201 radially outward
Protrusion forms contact ring 206.Resilient sleeve 204 is set on sealing shroud 203.Spring 205 is set on locating part 190, spring 205
One end and the second stop collar 202 against the other end of spring 205 acts on the end of resilient sleeve 204.Spring 205 is located always
In compressed state, spring 205 applies along axial elastic force resilient sleeve 204, makes resilient sleeve 204 with movable sealing sleeve 203
It is moved to the first stop collar 201, is close to contact ring 206 with the first stop collar 201, forms sealing.It is applied in spring 205
Under the action of the axial force added, deformation occurs in radial directions for resilient sleeve 204, so that the outer peripheral surface of resilient sleeve 204 is close to the
The inner wall of two channel 111b, while the inner peripheral surface of resilient sleeve 204 is close to the outer peripheral surface of sealing shroud 203 and is applied to sealing shroud 203
Radially inward pressure.The radially inward pressure that resilient sleeve 204 applies sealing shroud 203, so that the inner peripheral surface of sealing shroud 203
It can be close to the outer peripheral surface of locating part 190.Above structure realize resilient sleeve 204 outer peripheral surface and second channel 111b inner wall it
Between sealing, realize the sealing between the inner peripheral surface of resilient sleeve 204 and sealing shroud 203, realize the inner peripheral surface of sealing shroud 203
With the sealing between locating part 190.In this way, realizing the sealing between locating part 190 and the inner wall of second channel 111b, keep away
Having exempted from downhole tool detection device 010, there is a situation where leak generation.
Further, in the present embodiment, resilient sleeve 204 is made of rubber.Further, resilient sleeve 204 includes more
A mutually indepedent and arranged side by side rubber ring.Multiple rubber rings are mutually close under the action of the axial force that spring 205 applies.
Under the action of the axial force that spring 205 applies, radial deformation respectively individually occurs for each rubber ring, it can be ensured that sealing shroud
203 is axial everywhere by more uniform radial pressure, and then improves the sealing performance between sealing shroud 203 and locating part 190.
Further, sealing shroud 203 can be made of polytetrafluoroethylene (PTFE) or nylon, in the present embodiment, sealing shroud 203 by
Polytetrafluoroethylene (PTFE) is made.
Further, in the present embodiment, shaft sealing mechanism 200 further includes being arranged between resilient sleeve 204 and spring 205
Becket 207；Becket 207 is sheathed on sealing shroud 203.The elastic force of spring 205 acts on elasticity by becket 207
On set 204, enable resilient sleeve 204 by more uniform axial force, facilitates the service life for increasing resilient sleeve 204.
Further, as described above, at work, the fluid in hoistway 030 can enter service aisle 111.If will
First detector 170 and the second detector 180 are arranged in service aisle 111, then the fluid in service aisle 111 is possible to shadow
Ring the normal work of the first detector 170 and the second detector 180.In addition, arranging the first detector 170 and the second detector
There is also sealing problems when 180 communications cable.Therefore, in the present embodiment, solved the above problems using following scheme.In base
The mounting hole 112 extended from its rear end towards front end is offered on body 110.The axis of mounting hole 112 and the axis of service aisle 111
Line is parallel.Mounting hole 112 is blind hole, front end closing.In addition, mounting hole 112 is not connected to service aisle 111.The present embodiment
The downhole tool detection device 010 of offer further includes mounting portion 210.Mounting portion 210 is column and is inserted into mounting hole 112, is pacified
Dress portion 210 is detachably arranged in mounting hole 112.First detector 170 and the second detector 180 are installed in mounting portion
On 210.Further, it is also provided with communication channel 211 on mounting portion 210, communication channel 211 is from the rear end of mounting portion 210
It extends forwardly at the first detector 170 and the second detector 180.The rear end of communication channel 211 is in communication with the outside.In this way, the
The data transmission cable of one detector 170 and the second detector 180 can be arranged by communication channel 211, without there are close
The problem of envelope.
In the present embodiment, the first trigger 150 and the second trigger 160 are magnet, the first detector 170 and second
Detector 180 is magnetic proximity sensor.It should be understood that in other embodiments, the first detector 170 and the second detection
Device 180 can for micro switch, the first trigger 150 and the second trigger 160 by with the first detector 170 and the second detector
180 contact triggers the first detector 170 and the second detector 180.
Further, in the present embodiment, the circumferential surface of work department 120 offers multiple annular grooves around its axis
126, multiple balls 127 are provided in annular groove 126.Ball 127 is used to be in rolling contact with the inner wall of first passage 111a,
Work department 120 is smoothly moved along the longitudinal direction.
In conclusion downhole tool detection device provided by the embodiment of the utility model is connected to the hoistway of oil/gas well for side
On, contact wheel stretches in hoistway.When downhole tool moves to the location of contact wheel, downhole tool applies contact wheel
Pressure, forces work department to move to trigger position, and the first trigger and the first detector cooperate at this time, the first detector output first
Signal is detected, can determine that downhole tool reaches the location of downhole tool detection device according to the first detection signal.With
This simultaneously, in downhole tool motion process, downhole tool is contacted with contact wheel, and contact wheel is driven to rotate so that second touching
Send out device and the intermittent cooperation of the second detector, intermittent the second detection of the output signal of the second detector.The movement speed of downhole tool
Degree is faster, then the speed of contact wheel rotation is faster, so that the second detection signal that the second detector exports within the unit time
Number is more.The number of the second detection signal exported within the unit time according to the second detector can determine turning for contact wheel
Speed is further the movement velocity that can determine downhole tool according to the revolving speed of contact wheel.
The foregoing is merely the section Examples of the utility model, are not intended to limit the utility model, for this
For the technical staff of field, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. downhole tool detection device characterized by comprising
Matrix offers in described matrix and extends along the longitudinal direction and service aisle that front end is open；
Work department, the work department is arranged in the service aisle, and is configured to along the longitudinal direction in contact position and touching
Hair moves between position；
Resetting-mechanism, the resetting-mechanism are configured to apply reset force so that the work department has to institute to the work department
State the trend of contact position movement；
Contact wheel, the contact wheel are rotatably coupled to the front end of the work department, at least part of the contact wheel from
The service aisle front end is extend out to outside the service aisle；
First trigger and the second trigger, first trigger are arranged in the work department, and second trigger is inclined
The setting of the heart is on the contact wheel；And
First detector and the second detector, along from the first detector described in rear to preceding direction and second detector successively
Setting is on the matrix；
Wherein, when the working position is when the trigger position, first trigger and first detector cooperate；When
The working position is when the trigger position and contact wheel rotation, between second trigger and second detector
Disconnected cooperation.
2. downhole tool detection device according to claim 1, it is characterised in that:
It further include locating part, the setting that the locating part can move along the longitudinal direction is in the service aisle, the locating part
It is configured to optionally with the work department against to prevent the work department from moving backward.
3. downhole tool detection device according to claim 2, it is characterised in that:
It further include operation portion；
The operation portion enters the rear end of the service aisle and the locating part cooperates, and the operating mechanism is configured to limit
The position of the locating part in the longitudinal direction.
4. downhole tool detection device according to claim 3, it is characterised in that:
The locating part is rod-like members, is provided with shaft sealing mechanism between the locating part and the inner wall of the service aisle.
5. downhole tool detection device according to claim 4, it is characterised in that:
The shaft sealing mechanism includes being limited by the first radially inwardly projecting stop collar of the inner wall of the service aisle and second
Ring；First stop collar and second stop collar are run through by the locating part；The shaft sealing mechanism further includes that setting exists
Sealing shroud, resilient sleeve and spring between first stop collar and second stop collar；The sealing shroud slideably covers
Set on the locating part；The sealing shroud projects radially outward to form contact ring close to one end of first stop collar；It is described
Resilient sleeve is sheathed on the sealing shroud；One end of the spring and second stop collar against；The other end of the spring is made
For the resilient sleeve so that the resilient sleeve is close to the contact ring, and the contact ring is made to be close to first stop collar；
The outer peripheral surface of the resilient sleeve is contacted with the inner wall of the service aisle；The inner peripheral surface of the resilient sleeve and the sealing shroud
Periphery face contact；The periphery face contact of the inner peripheral surface of the sealing shroud and the locating part.
6. downhole tool detection device according to claim 3, it is characterised in that:
The operation portion is threadedly coupled with the service aisle, the rear end of the locating part and the operation portion against.
7. downhole tool detection device according to claim 1, it is characterised in that:
The underground work check device further includes mounting portion；Mounting hole extended from back to front is offered in described matrix；Institute
It states the front end closing of mounting hole and rear end is open；The mounting hole is not connected to the service aisle；First detector and
Second detector is mounted on the mounting portion；The mounting portion is inserted and secured in the mounting hole.
8. downhole tool detection device according to claim 7, it is characterised in that:
It is offered on the mounting portion from its rear end and extends forwardly into leading to from first detector and second detector
Believe channel；The rear end of the communication channel is in communication with the outside.
9. downhole tool detection device according to claim 1, it is characterised in that:
The surface of the work department offers annular groove；Multiple balls are provided in the annular groove, the ball is configured to
It is in rolling contact with the inner wall of the service aisle.
10. downhole tool detection device described in any one of -9 according to claim 1, it is characterised in that:
First trigger and second trigger are magnet；
First detector and second detector are magnetic proximity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029894.5U CN209324337U (en) | 2019-01-08 | 2019-01-08 | Downhole tool detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029894.5U CN209324337U (en) | 2019-01-08 | 2019-01-08 | Downhole tool detection device |
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| Publication Number | Publication Date |
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| CN209324337U true CN209324337U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538191A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Downhole tool detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538191A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Downhole tool detection device |
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