CN207093010U - Hydraulic pressure jarring releasing instrument - Google Patents
Hydraulic pressure jarring releasing instrument Download PDFInfo
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- CN207093010U CN207093010U CN201720957973.3U CN201720957973U CN207093010U CN 207093010 U CN207093010 U CN 207093010U CN 201720957973 U CN201720957973 U CN 201720957973U CN 207093010 U CN207093010 U CN 207093010U
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Abstract
The utility model provides a kind of hydraulic pressure jarring releasing instrument, jarring component includes center-pole, center piston and adapter sleeve, bottom, center-pole and the center piston of connecting rod are located in adapter sleeve, the upper end of center piston is located at the lower section of the limited step of connecting rod and adapter sleeve, and a part for center piston is located at the top of the upper end of center-pole；The bottom of adapter sleeve and the top of outer sleeve connect；Drive component, dynamic valve cylinder and quiet valve cylinder are located in outer sleeve, and the first spring is provided between the lower end of center-pole and the upper end of drive component；The lower end of drive component is connected with dynamic valve cylinder, and drive component is used to drive dynamic valve cylinder to rotate；Quiet valve cylinder is located in dynamic valve cylinder, offers the first perforate on the barrel of dynamic valve cylinder, the second perforate is offered on the barrel of quiet valve cylinder, when dynamic valve cylinder rotates, the first perforate is connected or staggered with the second perforate.Hydraulic pressure jarring releasing instrument provided by the utility model, stuck point can be provided and continue automatic jarring.
Description
Technical field
Oilfield machinery technical field is the utility model is related to, more particularly to a kind of hydraulic pressure jarring releasing instrument.
Background technology
During drilling well, because quality of mud fluid is bad, geological structure is complicated and many-sided reason such as operational error,
It occur frequently that drilling tool by the accident of card, has a strong impact on the progress of drilling well work, it is therefore necessary to unfreezing is carried out to drilling tool, it is general to use
Releasing tool is aided in carry out unfreezing, wherein bumper jar is one of effective tool for solving lock of tool drilling.
Generally use hydraulic shock device carries out unfreezing at present.When hydraulic shock device is flowed using hydraulic oil in tiny runner
Damping action as retaining mechanism, using the release caused by runner suddenly change, strike is produced in bumper jar, so as to
Vibrations are formed in drill string, unfreezing is realized by the vibrations of moment.
During the utility model is realized, designer has found problems with the prior art at least be present：
Using existing hydraulic shock device, a jarring is often completed, must above carry drill string resets bumper jar, could carry out down
Jarring, manual operation is cumbersome, less efficient.
Utility model content
In view of this, the utility model provides a kind of hydraulic pressure jarring releasing instrument, stuck point can be provided and continue automatic jarring.
Specifically, including following technical scheme：
The utility model provides a kind of hydraulic pressure jarring releasing instrument, including connecting rod, jarring component, drive component, dynamic
Valve cylinder, quiet valve cylinder and outer sleeve, wherein,
The jarring component includes center-pole, center piston and adapter sleeve, the bottom of the connecting rod, the center-pole and
The center piston is located in the adapter sleeve, and the upper end of the center piston is located at the connecting rod and the limit of the adapter sleeve
The lower section of position step, a part for the center piston are located at the top of the upper end of the center-pole；
The bottom of the adapter sleeve is connected with the top of the outer sleeve；
The drive component, the dynamic valve cylinder and the quiet valve cylinder are located in the outer sleeve, the lower end of the center-pole
The first spring is provided between the upper end of the drive component；
The lower end of the drive component is connected with the dynamic valve cylinder, and the drive component is used to drive the dynamic valve cylinder to turn
It is dynamic；
The quiet valve cylinder is located in the dynamic valve cylinder, and the first perforate, the quiet valve are offered on the barrel of the dynamic valve cylinder
Offer the second perforate on the barrel of cylinder, when the dynamic valve cylinder rotates, first perforate connected with second perforate or
Stagger；
The liquid injected to the inner chamber of the connecting rod is suitable to pass sequentially through the center piston, the center-pole and described
The inner chamber of drive component and the cavity entered between the dynamic valve cylinder and the outer sleeve, and drive the drive component to drive
The dynamic valve cylinder rotates；When first perforate connects with second perforate, center piston described in liquid-driving is pressed downward
Contract first spring, when first perforate and second perforate are staggered, first spring uphold and make it is described in
Plug of being indecisive and changeable is upward, and then the upper end of the center piston and the limited step of the outer sleeve offset.
Selectively, the drive component includes rotor and stator, the inwall of the outer wall of the stator and the outer sleeve
Fitting is fixed, the rotor is located in the stator and suitable for being rotated in the stator, and the lower end of the rotor is moved with described
Valve cylinder connects, and the space between the rotor and the stator is flowed through suitable for liquid.
Selectively, the jarring component includes two or more sub- jarring components, two adjacent sub- jarrings
In component, the adapter sleeve of the sub- jarring component of top is connected with the adapter sleeve of the sub- jarring component of lower section, the sub- jarring group of top
The center piston of the center-pole of part and the sub- jarring component of lower section connects；
The center piston of the sub- jarring component of the top is located under the limited step of the connecting rod and the adapter sleeve
Side, the first spring is provided between the lower end of center-pole and the upper end of the drive component of the sub- jarring component of bottom.
Selectively, the lower end sub- jarring component adjacent with downside of the center piston of the sub- jarring component of each non-bottom
Adapter sleeve upper end between be provided with second spring, the second spring is set in the center-pole of the non-bottom jarring component
On.
Selectively, in addition to body pipe nipple, the body pipe nipple include sleeve, and first spring is arranged on the set
Between cylinder and the drive component.
Selectively, it is connected with screen cloth between the body pipe nipple and the drive component.
Selectively, in addition to stop nut, the stop nut be connected to the center-pole and the body pipe nipple it
Between, first spring housing is outside the stop nut.
Selectively, in addition to top connection, the lower end of the top connection and the upper end of the connecting rod are detachably connected, institute
State and be provided with screw thread on the inwall of the close upper end of top connection.
Selectively, in addition to lower contact, the upper end of the lower contact are connected with the lower end of the quiet valve cylinder, connect under described
Screw thread is provided with the outer wall of the close lower end of head.
Selectively, it is provided with sealing ring between the center piston and the adapter sleeve.
The beneficial effect for the technical scheme that the utility model embodiment provides：
Hydraulic pressure jarring releasing instrument provided by the utility model, the liquid injected to the inner chamber of connecting rod are flowing to driving group
During the inner chamber of part, drive drive component to drive dynamic valve cylinder to rotate, connect the first perforate of valve cylinder and the second perforate of quiet valve cylinder
Lead to or stagger, and then the upper end of center piston is offseted or is separated with the limited step of outer sleeve；The upper end of center piston
Process that is rear and offseting is separated with the limited step of outer sleeve and produces a jarring, drives dynamic valve cylinder persistently to turn by drive component
It is dynamic, first perforate of valve cylinder is staggered after repeatedly being connected with the second perforate of quiet valve cylinder the process connected again, and then make center
The upper end of piston repeats to separate the process to offset again after offseting with the limited step of outer sleeve, so as to produce lasting jarring.Therefore
The hydraulic pressure jarring releasing instrument that the utility model embodiment provides can be carried by injecting liquid to the inner chamber of connecting rod to stuck point
For continuing automatic jarring, manual operation is simple, and unfreezing efficiency is higher.During jarring is produced, only piston and center-pole
Move, without the motion of other mechanical parts, inter-module abrasion is less, the service life length of hydraulic pressure jarring releasing instrument.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of profile of hydraulic pressure jarring releasing instrument in the embodiment of the utility model one；
Fig. 2 is a kind of structural representation of hydraulic pressure jarring releasing instrument in the embodiment of the utility model one.
Reference in figure is respectively：
1st, top connection；
2nd, connecting rod；
3rd, sub- jarring component；
301st, adapter sleeve；
302nd, center piston；
303rd, center-pole；
4th, second spring；
5th, the first spring；
6th, stop nut；
7th, body pipe nipple；
8th, screen cloth；
9th, outer sleeve；
10th, drive component；
1001st, stator；
1002nd, rotor；
11st, valve cylinder is moved；
1101st, the first perforate；
12nd, quiet valve cylinder；
1201st, the second perforate；
13rd, lower contact；
14th, the first sealing ring；
15th, the second sealing ring；
16th, branch sleeve；
17th, the 3rd sealing ring；
18th, the 4th sealing ring.
Embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.
The embodiment of the utility model one provides a kind of hydraulic pressure jarring releasing instrument, as shown in figure 1, including connecting rod 2, shake
Component, drive component 10, dynamic valve cylinder 11, quiet valve cylinder 12 and outer sleeve 9 are hit, wherein,
Jarring component includes center-pole 303, center piston 302 and adapter sleeve 301, the bottom of connecting rod 2, center-pole 303
It is located at center piston 302 in adapter sleeve 301, the upper end of center piston 302 is located at the limiting stand of connecting rod 2 and adapter sleeve 301
The lower section of rank, a part for center piston 302 are located at the top of the upper end of center-pole 303；
The bottom of adapter sleeve 301 is connected with the top of outer sleeve 9；
Drive component 10, dynamic valve cylinder 11 and quiet valve cylinder 12 are located in outer sleeve 9, the lower end of center-pole 303 and drive component
The first spring 5 is provided between 10 upper end；
The lower end of drive component 10 is connected with dynamic valve cylinder 11, and drive component 10 is used to drive dynamic valve cylinder 11 to rotate；
Quiet valve cylinder 12 is located in dynamic valve cylinder 11, and the first perforate 1101 is offered on the barrel of dynamic valve cylinder 11, quiet valve cylinder 12
The second perforate 1201 is offered on barrel, when dynamic valve cylinder 11 rotates, the first perforate 1101 is connected with the second perforate 1201 or mistake
Open；
The liquid injected to the inner chamber of connecting rod 2 is suitable to pass sequentially through center piston 302, center-pole 303 and drive component
10 inner chamber and the cavity entered between dynamic valve cylinder 11 and outer sleeve 9, liquid drive drive component 10 to drive dynamic 11 turns of valve cylinder
It is dynamic；When the first perforate 1101 connects with the second perforate 1201, liquid-driving center piston 302 compresses downwards the first spring 5, when
When first perforate 1101 and the second perforate 1201 are staggered, the first spring 5 is upheld and then center piston 302 is upward, center piston 302
Upper end and the limited step of outer sleeve 9 offset.
The operation principle of the hydraulic pressure jarring releasing instrument provided below with regard to the utility model embodiment, which is given, to be described：
The upper end of hydraulic pressure jarring releasing instrument is connected with running string first, lower end is connected with fishing tool, will be assembled
Device G.I.H afterwards, the lower end and fish head for making fishing tool are connected through a screw thread.Ground pump truck is opened, into connecting rod 2
Inject liquid, liquid pass sequentially through center piston 302, center-pole 303 and drive component 10 inner chamber and enter dynamic valve cylinder 11
With the cavity between outer sleeve 9.Because liquid has certain pressure, when liquid passes through drive component 10, driving group is driven
Part 10 drives dynamic valve cylinder 11 to rotate, and then the first perforate 1101 is connected or staggered with the second perforate 1201.When the first perforate 1101
When staggering with the second perforate 1201, the liquid in dynamic cavity between valve cylinder 11 and outer sleeve 9 can not flow out, then center piston
302nd, the liquid in the inner chamber of center-pole 303 and drive component 10 pressure increase, so as to liquid-driving center piston 302 to
Lower to move and promote center-pole 303 to move downward, center-pole 303 compresses the first spring 5, the upper end of center piston 302 and overcoat
The limited step separation of cylinder 9；When the first perforate 1101 connects with the second perforate 1201, move between valve cylinder 11 and outer sleeve 9
Liquid in cavity passes sequentially through the first perforate 1101 and the second perforate 1201 is flowed into quiet valve cylinder 12, then center piston 302,
The pressure of liquid in the inner chamber of center-pole 303 and drive component 10 reduces, and the first spring 5 is upheld, and center-pole 303 is transported upwards
Move and promote center piston 302 to move upwards, and then the upper end of center piston 302 and the limited step of outer sleeve 9 offset, and produce
Jarring.Because drive component persistently drives dynamic valve cylinder 11 to rotate, the first perforate 1101 continuously connects with the second perforate 1201
With stagger so that the upper end of center piston 302 continuously separates and offseted with the limited step of outer sleeve 9, produce lasting shake
Hit, improve unfreezing success rate, efficiency is higher.
The hydraulic pressure jarring releasing instrument that the utility model embodiment provides, passes through the liquid injected to the inner chamber of connecting rod 2
When flowing to the inner chamber of drive component 10, drive drive component 10 to drive dynamic valve cylinder 11 to rotate, make first perforate of valve cylinder 11
1101 connect or stagger with the second perforate 1201 of quiet valve cylinder 12, and then make the upper end of center piston 302 and the limit of outer sleeve 9
Position step is offseted or separated；The upper end of center piston 302 separates process that is rear and offseting with the limited step of outer sleeve 9 and produced
Jarring, drive dynamic valve cylinder 11 persistently to rotate by drive component 10, make first perforate 1101 of valve cylinder 11 and quiet valve cylinder
12 the second perforate 1201 repeats the process connected again that staggers after connecting, and then makes upper end and the outer sleeve 9 of center piston 302
Limited step repeat offset after separate the process to offset again, so as to produce lasting jarring.Therefore the utility model embodiment carries
The hydraulic pressure jarring releasing instrument of confession continues automatic jarring by injecting liquid to the inner chamber of connecting rod and stuck point can be provided, manually
Simple to operate, unfreezing efficiency is higher.During jarring is produced, only piston moves with center-pole, without other machines
The motion of tool part, inter-module abrasion is less, the service life length of hydraulic pressure jarring releasing instrument.
Drive component 10 can have various structures, based on the premise of simple in construction, a kind of embodiment given below：
As shown in figure 1, drive component 10 includes rotor 1002 and stator 1001, outer wall and the outer sleeve 9 of stator 1001
Inwall fixes fitting, and rotor 1002 be located in stator 1001 and suitable for being rotated in stator 1001, the lower end of rotor 1002 is with moving
Valve cylinder 11 connects, and the space between rotor 1002 and stator 1001 is flowed through suitable for liquid.
The structure of drive component 10 is arranged such, when liquid enters in the space between rotor 1002 and stator 1001,
Because liquid has certain pressure, and rotor 1002 is suitable to rotate in stator 1001, then liquid-driving rotor 1002 is fixed
Rotated in son 1001, because the lower end of rotor 1002 connect with the upper end of dynamic valve cylinder 11, then the rotation of rotor 1002, which drives, moves valve cylinder
11 rotate.
The connected mode of the lower end of rotor 1002 and the upper end of dynamic valve cylinder 11 can have it is a variety of, such as by welding connected
Connect, or be attached by screw thread.The present embodiment is preferably attached by screw thread, is easy to rotor 1002 and dynamic valve cylinder 11
Assembly or disassembly.
In the present embodiment, as shown in Fig. 2 jarring component includes four sub- jarring components 3.As shown in figure 1, two adjacent
Sub- jarring component in, the upper end of the adapter sleeve of the lower end of the adapter sleeve of the sub- jarring component of top and the sub- jarring component of lower section
It is connected, the upper end connection of the center piston of the lower end of the center-pole of the sub- jarring component of top and the sub- jarring component of lower section；
The center piston of the sub- jarring component of the top is located at the limiting stand of connecting rod and the adapter sleeve of the sub- jarring component
The lower section of rank, the first spring 5 is provided between the lower end of center-pole and the upper end of drive component of the sub- jarring component of bottom.
Specifically, in two adjacent sub- jarring components, the adapter sleeve of sub- jarring component of top and the sub- jarring of lower section
The adapter sleeve of component can be connected by screw thread.
In this way, can be according to the quantity of the sub- jarring component 3 of position adjustment of stuck point.When stuck point position from well head position ratio
When farther out, the quantity of sub- jarring component 3 can be increased；When the position of stuck point is closer from the position of well head, sub- jarring can be reduced
The quantity of component 3.
Liquid is injected to the inner chamber of connecting rod 2, when the first perforate 1101 and the second perforate 1201 are staggered, jarring component
The pressure increase of liquid in inner chamber, the center piston 302 of each sub- jarring component 3 of liquid-driving move downward, in be indecisive and changeable
The promotion center-pole 303 of plug 302 moves downward, so as to which the first spring 5 compresses.When the first perforate 1101 connects with the second perforate 1201
When, the pressure of the liquid in the inner chamber of jarring component reduces, and the pressure that the first spring 5 is subject to reduces and upheld, so that the first bullet
Spring 5 promotes the center-pole of the sub- jarring component 3 of bottom to move upwards, in the center-pole promotion of the sub- jarring component 3 of bottom
Heart piston upwards；In two adjacent sub- jarring components, the center piston of the sub- jarring component of lower section promotes the son of top
The center-pole of jarring component moves upwards, and the center-pole of the sub- jarring component of top promotes the center of the sub- jarring component of top again
Piston upwards, so that the upper end of center piston of every individual sub- jarring component and the limited step of adapter sleeve offset, produce
Jarring.
In the present embodiment, the lower end sub- shake adjacent with downside of the center piston of the sub- jarring component 3 of each non-bottom
Hit between the upper end of the adapter sleeve of component and may be provided with second spring 4, second spring 4 is set in the non-bottom jarring component
On center-pole.
So, when the first perforate 1101 and the second perforate 1201 are staggered, in each sub- jarring component 3 of liquid-driving
Plug of being indecisive and changeable moves downward, and the center piston of the sub- jarring component 3 of each non-bottom makes the center piston be shaken with next height
The second spring compression hit between the adapter sleeve of component；When the first perforate 1101 connects with the second perforate 1201, second spring
4 uphold, and the center-pole of the sub- jarring component 3 of each non-bottom promotes center piston to move upwards, and second spring 4 is upheld,
The elastic force of second spring 4 can promote the upper end of center piston and the limited step of outer sleeve 9 to offset, and increase jarring to stuck point
Dynamics, so as to improve the efficiency of unfreezing.
In the present embodiment, as shown in figure 1, hydraulic pressure jarring releasing instrument may also include body pipe nipple 7, body pipe nipple 7 wraps
Sleeve is included, the upper end of sleeve is connected with the first spring 5, and the lower end of sleeve is connected with drive component 10.On the one hand body pipe nipple 7 may be used
Play a part of connecting the first spring 5 and drive component 10, on the other hand can also increase the length of hydraulic pressure jarring releasing instrument.
Specifically, the top of body pipe nipple 7 is connected by the bottom of screw thread and the adapter sleeve of the sub- jarring component of bottom,
Bottom is connected by screw thread with the top of outer sleeve 9.
Referring to Fig. 1, branch sleeve 16 is provided between the center-pole of the sub- jarring component of the first spring 5 and bottom, even
The center-pole of the upper end of female connector cylinder 16 and the sub- jarring component of bottom connects, and the first spring 5 is arranged on branch sleeve 16 and this
Between body pipe nipple 7.Specifically, the wall thickness that branch sleeve 16 can be set is more than the wall thickness of center-pole, and branch sleeve 16 is more suitable for pressing
Contract the first spring 5.
In the present embodiment, as shown in figure 1, hydraulic pressure jarring releasing instrument may also include stop nut 6, stop nut 6 connects
It is connected between the center-pole and body pipe nipple 7 of the sub- jarring component of bottom, the first spring 5 is enclosed on outside stop nut 6.Spacing spiral shell
First spring 5 is fixed on outside it by mother 6, prevents the first spring 5 from compressing or being moved in the horizontal direction when upholding.
In the present embodiment, as shown in figure 1, being connected with screen cloth 8 between body pipe nipple 7 and drive component 10.Screen cloth 8 can incite somebody to action
Impurity in water filters out, and the space for preventing the impurity in water from entering between the rotor 1002 and stator 1001 of drive component, causes
Rotor 1002 is blocked the problem of can not rotating, or abrasion rotor 1002.
In the present embodiment, as depicted in figs. 1 and 2, hydraulic pressure jarring releasing instrument also includes top connection 1, under top connection 1
Hold the upper end with connecting rod 2 to be detachably connected, screw thread is provided with the inwall of the close upper end of top connection 1.Specifically, top connection
1 lower end is connected by screw thread with the upper end of connecting rod 2, and the upper end of top connection 1 can be connected by the lower end of screw thread and running string
Connect, easy to disassemble and assembling.
In the present embodiment, as depicted in figs. 1 and 2, hydraulic pressure jarring releasing instrument also includes lower contact 13, lower contact 13
Upper end and the lower end of quiet valve cylinder 12 are detachably connected, and screw thread is provided with the outer wall of the close lower end of lower contact 13.Specifically, under
The upper end of joint 13 can be connected through a screw thread with quiet valve cylinder 12, and the lower end of lower contact 13 can be connected by screw thread with fishing tool,
It is easy to assembly or disassembly.
In the present embodiment, sealing ring is provided between the center piston of each individual sub- jarring component and adapter sleeve, for example,
As shown in figure 1, being provided with the second sealing ring 15 between the center piston 302 and adapter sleeve 301 of sub- jarring component 3, each is non-
Sealing ring is provided between the adapter sleeve of the sub- jarring component of the center-pole of the sub- jarring component of bottom downside adjacent thereto,
Such as shown in figure 1, between the adapter sleeve of the sub- jarring component of the center-pole 303 of sub- jarring component 3 downside adjacent thereto
One sealing ring 14.The 3rd sealing ring 17 is provided between the adapter sleeve of branch sleeve 16 and the sub- jarring component of bottom, is connected
The 4th sealing ring 18 is provided between the adapter sleeve of the lower end of bar 2 and the sub- jarring component of the top.Sealing ring improves two
Sealing property between part, ensure the good seal of the inner chamber of jarring component, so as in the first perforate 1101 and the second perforate
1201 when staggering, the pressure increase of the liquid of the inner chamber of jarring component.
In this application, it should be understood that term " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply relative importance or the implicit quantity for indicating indicated technical characteristic.
It is described above to be for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of hydraulic pressure jarring releasing instrument, it is characterised in that including connecting rod, jarring component, drive component, dynamic valve cylinder, quiet
Valve cylinder and outer sleeve, wherein,
The jarring component includes center-pole, center piston and adapter sleeve, the bottom of the connecting rod, the center-pole and described
Center piston is located in the adapter sleeve, and the upper end of the center piston is located at the limiting stand of the connecting rod and the adapter sleeve
The lower section of rank, a part for the center piston are located at the top of the upper end of the center-pole；
The bottom of the adapter sleeve is connected with the top of the outer sleeve；
The drive component, the dynamic valve cylinder and the quiet valve cylinder are located in the outer sleeve, the lower end of the center-pole and institute
State and be provided with the first spring between the upper end of drive component；
The lower end of the drive component is connected with the dynamic valve cylinder, and the drive component is used to drive the dynamic valve cylinder to rotate；
The quiet valve cylinder is located in the dynamic valve cylinder, and the first perforate is offered on the barrel of the dynamic valve cylinder, the quiet valve cylinder
The second perforate is offered on barrel, when the dynamic valve cylinder rotates, first perforate is connected or staggered with second perforate；
The liquid injected to the inner chamber of the connecting rod is suitable to pass sequentially through the center piston, the center-pole and the driving
The inner chamber of component and the cavity entered between the dynamic valve cylinder and the outer sleeve, and drive described in the drive component drive
Dynamic valve cylinder rotates；When first perforate connects with second perforate, center piston compresses downwards institute described in liquid-driving
State the first spring, when first perforate and second perforate are staggered, first spring uphold and make it is described in be indecisive and changeable
Plug is upward, and then the upper end of the center piston and the limited step of the outer sleeve offset.
2. hydraulic pressure jarring releasing instrument according to claim 1, it is characterised in that the drive component includes rotor and determined
Son, the outer wall of the stator are fixed with the inwall of the outer sleeve and are bonded, and the rotor is located in the stator and suitable in institute
State in stator and rotate, the lower end of the rotor is connected with the dynamic valve cylinder, and the space between the rotor and the stator is suitable to
Liquid flows through.
3. hydraulic pressure jarring releasing instrument according to claim 1, it is characterised in that the jarring component includes two or two
Sub- jarring component more than individual, in two adjacent sub- jarring components, the adapter sleeve of sub- jarring component and the son of lower section of top
The adapter sleeve of jarring component is connected, and the center piston of the center-pole of the sub- jarring component of top and the sub- jarring component of lower section connects
Connect；
The center piston of the sub- jarring component of the top is located at the lower section of the limited step of the connecting rod and the adapter sleeve, most
The first spring is provided between the lower end of center-pole and the upper end of the drive component of the sub- jarring component of lower section.
4. hydraulic pressure jarring releasing instrument according to claim 3, it is characterised in that the sub- jarring component of each non-bottom
Center piston lower end sub- jarring component adjacent with downside adapter sleeve upper end between be provided with second spring, described second
Spring is set on the center-pole of the non-bottom jarring component.
5. hydraulic pressure jarring releasing instrument according to claim 1, it is characterised in that also including body pipe nipple, the body
Pipe nipple includes sleeve, and first spring is arranged between the sleeve and the drive component.
6. hydraulic pressure jarring releasing instrument according to claim 5, it is characterised in that the body pipe nipple and the driving group
Screen cloth is connected between part.
7. hydraulic pressure jarring releasing instrument according to claim 5, it is characterised in that described spacing also including stop nut
Nut is connected between the center-pole and the body pipe nipple, and first spring housing is outside the stop nut.
8. hydraulic pressure jarring releasing instrument according to claim 1, it is characterised in that also including top connection, the top connection
Lower end and the upper end of the connecting rod be detachably connected, be provided with screw thread on the inwall of the close upper end of the top connection.
9. hydraulic pressure jarring releasing instrument according to claim 1, it is characterised in that also including lower contact, the lower contact
Upper end be connected with the lower end of the quiet valve cylinder, be provided with screw thread on the outer wall of the close lower end of the lower contact.
10. according to the hydraulic pressure jarring releasing instrument described in claim 1-9 any of which items, it is characterised in that be indecisive and changeable in described
Sealing ring is provided between plug and the adapter sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957973.3U CN207093010U (en) | 2017-08-02 | 2017-08-02 | Hydraulic pressure jarring releasing instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957973.3U CN207093010U (en) | 2017-08-02 | 2017-08-02 | Hydraulic pressure jarring releasing instrument |
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| CN207093010U true CN207093010U (en) | 2018-03-13 |
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| CN201720957973.3U Active CN207093010U (en) | 2017-08-02 | 2017-08-02 | Hydraulic pressure jarring releasing instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109113066A (en) * | 2018-07-23 | 2019-01-01 | 西安市政设计研究院有限公司 | A kind of constant pressure switch block-proof type mud jacking valve and installation method and application method |
| CN117386314A (en) * | 2023-12-13 | 2024-01-12 | 中国石油集团川庆钻探工程有限公司 | Liquid-driven coiled tubing jar |
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2017
- 2017-08-02 CN CN201720957973.3U patent/CN207093010U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113066A (en) * | 2018-07-23 | 2019-01-01 | 西安市政设计研究院有限公司 | A kind of constant pressure switch block-proof type mud jacking valve and installation method and application method |
| CN109113066B (en) * | 2018-07-23 | 2023-10-31 | 西安市政设计研究院有限公司 | Anti-blocking grouting valve of constant-pressure switch, mounting method and using method |
| CN117386314A (en) * | 2023-12-13 | 2024-01-12 | 中国石油集团川庆钻探工程有限公司 | Liquid-driven coiled tubing jar |
| CN117386314B (en) * | 2023-12-13 | 2024-03-08 | 中国石油集团川庆钻探工程有限公司 | Liquid-driven coiled tubing jar |
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