CN206071502U - Pulling and running tool and its oil field pulling tubing string - Google Patents
Pulling and running tool and its oil field pulling tubing string Download PDFInfo
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- CN206071502U CN206071502U CN201621053484.7U CN201621053484U CN206071502U CN 206071502 U CN206071502 U CN 206071502U CN 201621053484 U CN201621053484 U CN 201621053484U CN 206071502 U CN206071502 U CN 206071502U
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- pulling
- lock sleeve
- running tool
- pull bar
- pawl spring
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Abstract
A kind of pulling and running tool of disclosure and its oil field pulling tubing string, the pulling and running tool include：The main body that lengthwise extends, its lower end are provided with pawl spring, and upper end is used for connecting with pumping rod；The pull bar extended in the same direction with the main body, which is provided with the junction surface that can coordinate with the pawl spring, and its lower end is used to connect pharmaceutical agent releasing device；Lock sleeve of the slip cap on the pull bar；The lock sleeve slides along direction and has first position and the second position；The pawl spring is engaged when being located at first position by the lock sleeve with the junction surface；The lock sleeve is located at the pawl spring during second position and disengages the junction surface so that the main body is separated with the pull bar.
Description
Technical field
This utility model is related to a kind of downhole tool of viscous crude chemical viscosity reduction technique offer in oil exploitation, more particularly to one
Plant the pulling and running tool and its oil field pulling tubing string of down-hole pharmaceutical agent releasing device.
Background technology
During oil field development, it is related to the deep-well of high pressure, high-content wax, high-solidification point, this kind of well occurs with oil gas
Ascending temperature loss and mobility decline so that the problem of oil-line plugging, it is oil gas well fluids paraffin content to analyze its reason
Height, freezing point height reach its wax precipitation point and freezing point in migration process, and cause the problem that above-mentioned oil well cannot exploit.
And implement anti-scaling measures to oil well, it is the important means for ensureing the normal production of oil well.At present, topmost oil well is clear
Dirty measure is well-flushing, for fouling well typically carries out well-flushing using acid descaling agent.But, there is loaded down with trivial details, cost of constructing in well-flushing
Greatly, the shortcomings of cycle is short.Mechanical snaking for equipment tool damaged, stifled card and high Capital expenditure be all some that can run into
Problem.
Now, chemical agent antiscale is due to having the advantages that low cost, safe and reliable, effect is significant, blue or green by each elephant
Look at.Can be solved the above problems by way of the chemical viscosity reductions such as oil jacket annular space dosing under normal circumstances, but due to this kind of well pressure
Power is high, depth is big, causes casing programme complicated, and annular space dosing is relatively difficult；Meanwhile, such well is usually mounted with packer, comes
Formation protection top tubing and casing, this can equally cause annular space dosing difficult.
In view of the problems referred to above, pharmaceutical agent releasing device can be arranged on oil pipe end described in some files, by slow
Release medicine is carrying out chemical agent antiscale.But, due to lacking special pulling and running tool, cause such device to be difficult to actual answering
Used in Oil Field.
In addition, down-hole pharmaceutical agent releasing device is arranged at down-hole cannot take out so as to be only capable of being intended for single use, oil field is caused to give birth to
Produce high cost.
Utility model content
In view of the problems referred to above, the application is necessary to provide a kind of pulling and running tool and its oil field pulling tubing string, at least to solve
Certainly one of above technical problem.
To reach above-mentioned purpose, the application provides a kind of pulling and running tool, including：
The main body that lengthwise extends, its lower end are provided with pawl spring, and upper end is used for connecting with pumping rod；
The pull bar extended in the same direction with the main body, which is provided with the junction surface that can coordinate with the pawl spring, and its lower end is used to connect
Connect pharmaceutical agent releasing device；
Lock sleeve of the slip cap on the pull bar；The lock sleeve slides along direction and has first position and second
Position；The pawl spring is engaged when being located at first position by the lock sleeve with the junction surface；The lock sleeve is located at second
During position, the pawl spring disengages the junction surface so that the main body is separated with the pull bar.
As one kind preferred embodiment, the junction surface includes the depressed part on the wall of the pull bar side.
As one kind preferred embodiment, the depressed part is along the circumferential uninterrupted extension of the pull bar.
As one kind preferred embodiment, the pull bar is provided with retainer ring；The retainer ring is located at the lock sleeve
Lower section, and be provided with spring between the lock sleeve.
As one kind preferred embodiment, external diameter of the external diameter of the lock sleeve more than the main body.
As one kind preferred embodiment, when the lock sleeve is located at the first position, the pawl spring is clamped on described
Junction surface, when the lock sleeve is located at the second position, the pawl spring is radially expanded so as to be disengaged with the junction surface.
As one kind preferred embodiment, the pull bar is the solid body of rod.
As one kind preferred embodiment, the upper end of the lock sleeve is connected with regulation pipe.
To reach above-mentioned purpose, the application also provides a kind of oil field pulling tubing string, including：
Oil pipe；
Centralizer in oil pipe；
Sucker rod；
As above the pulling and running tool described in any embodiment, which is located at below the centralizer.
As one kind preferred embodiment, the pulling and running tool is connected by weighted lever with the sucker rod.
By above description as can be seen that pulling and running tool provided herein passes through lock sleeve in first position and second
Position switches so that main body is separable with pull bar or is connected, so as to complete input and the salvage of pharmaceutical agent releasing device, because
This, the pulling and running tool provided by present embodiment can be to putting into shaft bottom and also can be to medicament is discharged by pharmaceutical agent releasing device
Device is salvaged from shaft bottom.
Meanwhile, medicament can be added to medicament after salvaging pharmaceutical agent releasing device and be released by pulling and running tool provided herein again
Put in device, realize the recycling of pharmaceutical agent releasing device, so as to effectively reduce production cost.
With reference to explanation hereinafter and accompanying drawing, particular implementation of the present utility model is disclose in detail, specified practical
New principle can be in adopted mode.It should be understood that embodiment of the present utility model not thus is subject in scope
Limit.In the range of the spirit and terms of claims, embodiment of the present utility model includes many changes, modifications
And equivalent.
The feature for describing for a kind of embodiment and/or illustrating can be in same or similar mode one or more
It is used in individual other embodiment, combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but and
It is not excluded for the presence of one or more further features, one integral piece, step or component or additional.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those skilled in the art, without having to pay creative labor,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the pulling and running tool structural representation provided by one embodiment of the application.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application, rather than the embodiment of whole.Based on the embodiment in the application, this area is common
The every other embodiment obtained on the premise of creative work is not made by technical staff, should all belong to this practicality new
The scope of type protection.
It should be noted that when element is referred to as " being arranged at " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein
The purpose of description specific embodiment, it is not intended that in limiting this utility model.Term as used herein "and/or" bag
Include the arbitrary and all of combination of one or more related Listed Items.
Fig. 1 is referred to, for a kind of pulling and running tool that one embodiment of the application is provided, the pulling and running tool includes：Lengthwise
The main body 10 of extension, its lower end are provided with pawl spring 11, and upper end is used for connecting with pumping rod 70；The pull bar extended in the same direction with the main body 10
20, which is provided with the junction surface 21 that can coordinate with the pawl spring 11, and its lower end is used to connect pharmaceutical agent releasing device；Slip cap is located at institute
State the lock sleeve 30 on pull bar 20；The lock sleeve 30 slides along direction and has first position and the second position；The locking
The pawl spring 11 is engaged when being located at first position by set 30 with the junction surface 21；When the lock sleeve 30 is located at the second position
The pawl spring 11 disengages the junction surface 21 so that the main body 10 is separated with the pull bar 20.
During using above-mentioned pulling and running tool, sucker rod 70, pulling and running tool and pharmaceutical agent releasing device are sequentially connected with lower going-into-well,
Now, lock sleeve 30 is located at first position.After pharmaceutical agent releasing device is transferred to precalculated position, well is outside upper to carry sucker rod 70,
So that lock sleeve 30 slides into the second position, so as to main body 10 is separated with pull bar 20, continue lifting sucker rod 70, by sucker rod
70 and main body 10 remove oil pipe, complete devoting oneself to work for pharmaceutical agent releasing device.
After medicament release is finished by estimated pharmaceutical agent releasing device, connect to enter in oil pipe under main body 10 by sucker rod 70,
Until the pawl spring 11 of main body 10 is coordinated with junction surface 21, and, lock sleeve 30 is located at first position, after determining load-carrying, above proposes oil pumping
Bar 70 can be taken out of pharmaceutical agent releasing device outside well in the lump by pulling and running tool, complete the salvage to pharmaceutical agent releasing device.
By above description as can be seen that the pulling and running tool provided by present embodiment passes through lock sleeve 30 in first position
And second position switching so that main body 10 is separable with pull bar 20 or is connected, so as to completing the input of pharmaceutical agent releasing device and beating
Vatman makees, therefore, the pulling and running tool provided by present embodiment can be to putting into shaft bottom and also can be right by pharmaceutical agent releasing device
Pharmaceutical agent releasing device is salvaged from shaft bottom.
Meanwhile, medicament can be added to medicine after salvaging pharmaceutical agent releasing device by pulling and running tool that present embodiment is provided again
In agent release device, the recycling of pharmaceutical agent releasing device is realized, so as to effectively reduce production cost.
As shown in figure 1, in the present embodiment, it can be the body of rod that main body 10 is overall, and its lower end is provided with pawl spring 11, the pawl
Spring 11 circumferentially has lock claw, and pawl spring 11 radially contracted can be expanded.The inwall of lock claw have can grappling projection, when pawl spring 11
During contraction, multiple projections can be anchored on 21 position of junction surface.
In the present embodiment, pull bar 20 can be solid hopkinson bar body, so as to possess preferably intensity.In the upper end of pull bar 20
Footpath is less, and gradually expanding downwards.As can be seen that the main body 10 is stretched into facilitate for sophisticated (or taper end) in the upper end of pull bar 20
Pawl spring 11 in, it is to avoid main body 10 cannot coordinate with pull bar 20.
The junction surface 21 is located on the side wall of pull bar 20, and which can be engaged with pawl spring 11, so as to by pull bar 20 with it is main
Body 10 links together, inseparable.Specifically, the junction surface 21 includes the depressed part on 20 side wall of the pull bar.
Depressed part can be radial groove, radial direction through hole etc., and the application is simultaneously not intended to be limited in any.
As shown in figure 1, the depressed part is along the circumferential uninterrupted extension of the pull bar 20.Preferably, depressed part is annular.Together
When, the section of depressed part is at least greater than or equal to the section of the projection of pawl spring 11, consequently facilitating the projection of pawl spring 11 snap onto it is recessed
In sunken portion.
As can be seen that to there is extension diameter section between depressed part in the upper end of pull bar 20, and after pull bar 20 is extend in extension spring, pawl
Spring 11 is moved down to be expanded by normal state when the extension diameter section, and the projection for continuing to be displaced downwardly to pawl spring 11 is located at depressed part position, pawl
Spring 11 shrinks and is clamped on the position.
To prevent pawl spring 11 from being deviate from by 21 position of junction surface, and lead to not put forward the problem of pharmaceutical agent releasing device, drawing
The outer slip of bar 20 is arranged with lock sleeve 30.As shown in figure 1, pawl spring 11 extend into the ring between the upper end of lock sleeve 30 and pull bar 20
In the air, the set 30 that is locked is limited cannot be radially expanded, so as to the pawl spring 11 of main body 10 is only capable of holding tightly in 21 position of junction surface, protects
Hold the connection status with pull bar 20.
In the present embodiment, when the lock sleeve 30 is located at the first position, the pawl spring 11 is clamped on the engagement
Portion 21, when the lock sleeve 30 is located at the second position, the pawl spring 11 is radially expanded so as to be disengaged with the junction surface 21.
Wherein, first position is located above the second position, and lock sleeve 30 mutually can switch between the first location and the second location.
To ensure that lock sleeve 30 mutually can switch between the first location and the second location, it is preferred that the pull bar 20
It is provided with retainer ring 40；The retainer ring 40 is located at the lower section of the lock sleeve 30, and between the lock sleeve 30 is provided with bullet
Spring 50.The spring 50 is in compressive state, and contact lock sleeve 30 is located at first position.Under external force, lock sleeve 30 is moved down
To the second position, when external force disappears, spring 50 can be located at first position by contact lock sleeve 30 again.
Specifically, external diameter of the external diameter of the lock sleeve 30 more than the main body 10.By this kind of setting, can be in oil pipe
Centralizer 80 is set, and the centralizer 80 can allow main body 10 to pass through, but internal diameter is less than the external diameter of lock sleeve 30, should during so as to above carrying
Centralizer 80 can prevent lock sleeve 30 from continuing up, and lock sleeve 30 is displaced downwardly to the second position, and main body 10 is disengaged with pull bar 20.
In view of the change in location of centralizer 80, the upper end of the lock sleeve 30 is connected with regulation pipe.Outside the regulation pipe
External diameter of the footpath more than or equal to lock sleeve 30, its length can be adjusted.Different regulations may be selected according to situation in different wells
Pipe, so as to shorten the outside upper length for carrying sucker rod 70 of well, facilitates oil field to produce.
One embodiment of the application also provides a kind of oil field pulling tubing string, including：Oil pipe；Centralizer in oil pipe
80；Sucker rod 70；As above the pulling and running tool described in any embodiment, which is located at below the centralizer 80.Wherein, the throwing
Fishing combined tool is connected by weighted lever 90 with the sucker rod 70.
When pharmaceutical agent releasing device is put into, pulling and running tool is carried pharmaceutical agent releasing device and is thrown along pit shaft by 70 operation of sucker rod
Put to shaft bottom, above pulling and running tool, prepare centralizer 80 and weighted lever 90 (sinker bar 70) so as to can complete to push-
On carry work, the lock sleeve 30 on pulling and running tool have contractility, now, lock sleeve 30 be located at first position, make main body 10
Keep being connected with pull bar 20.Pharmaceutical agent releasing device is fixed by precalculated position to be lowered into, above carry sucker rod 70 make pulling and running tool from
Down-hole is taken out, and pharmaceutical agent releasing device stays in down-hole and carries out medicament release, reaches the effect such as viscosity reduction, Paraffin Removal, anti-corrosion.
When needing to salvage pharmaceutical agent releasing device, by calculating dose, the medicament persistent period is primarily determined that, and passes through well head
Sampling is final to determine that medicament whether there is, and determines that medicament will carry out dressing operation before disappearing.Pulling is connected by sucker rod 70
Instrument carries out fishing for pharmaceutical agent releasing device down to shaft bottom, after determining load-carrying, above carries sucker rod 70 and device is proposed well head, check,
Again offer medicine after dosing.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
The all values of upper value, the interval that there are at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the value of the quantity or process variable (such as temperature, pressure, time etc.) of a part is from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is to illustrate that such as 15 to 85,22 are also clearly listed in the description arrives
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the description in a similar manner.
Unless otherwise stated, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximate " be suitable for two end points of the scope.Thus, " about 20 to 30 " be intended to cover " about 20 to about
30 ", at least including the end points for indicating.
The all articles for disclosing and reference material, including patent application and publication, for various purposes by quoting knot
Together in this.The term " substantially by ... constitute " of description combination should include determined by element, composition, part or step and reality
Other elements, composition, part or step without the basic novel feature for affecting the combination in matter.Using term "comprising" or
" including " is describing the combination of element here, composition, part or step it is also contemplated that basic by these elements, composition, part
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to which illustrate that " can with " include is described any
Attribute is all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.Alternative
Ground, single integrated component, composition, part or step can be divided into detached multiple element, composition, part or step.It is used for
The open "a" or "an" of description element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouching
State, many embodiments and many applications outside the example for being provided will all be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not be determined with reference to foregoing description, but should with reference to claims and this
The four corner of the equivalent possessed by a little claim is determining.For comprehensive purpose, all articles and with reference to including special
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for utility model theme.
Claims (10)
1. a kind of pulling and running tool, it is characterised in that include：
The main body that lengthwise extends, its lower end are provided with pawl spring, and upper end is used for connecting with pumping rod；
The pull bar extended in the same direction with the main body, which is provided with the junction surface that can coordinate with the pawl spring, and its lower end is used to connect medicine
Agent release device；
Lock sleeve of the slip cap on the pull bar；The lock sleeve slides along direction and has first position and second
Put；The pawl spring is engaged when being located at first position by the lock sleeve with the junction surface；The lock sleeve is located at second
When putting, the pawl spring disengages the junction surface so that the main body is separated with the pull bar.
2. pulling and running tool as claimed in claim 1, it is characterised in that the junction surface is included on the wall of the pull bar side
Depressed part.
3. pulling and running tool as claimed in claim 2, it is characterised in that the depressed part circumferentially uninterruptedly prolongs along the pull bar
Stretch.
4. pulling and running tool as claimed in claim 1, it is characterised in that the pull bar is provided with retainer ring；The retainer ring position
In the lower section of the lock sleeve, and spring is provided between the lock sleeve.
5. pulling and running tool as claimed in claim 1, it is characterised in that the external diameter of the lock sleeve is outer more than the main body
Footpath.
6. pulling and running tool as claimed in claim 2, it is characterised in that the pawl when lock sleeve is located at the first position
Spring is clamped on the junction surface, when the lock sleeve is located at the second position pawl spring radially expand so as to the engagement
Portion disengages.
7. pulling and running tool as claimed in claim 1, it is characterised in that the pull bar is the solid body of rod.
8. pulling and running tool as claimed in claim 1, it is characterised in that the upper end of the lock sleeve is connected with regulation pipe.
9. a kind of oil field pulling tubing string, it is characterised in that include：
Oil pipe；
Centralizer in oil pipe；
Sucker rod；
Pulling and running tool as described in claim 1 to 8 is arbitrary, which is located at below the centralizer.
10. pulling tubing string in oil field as claimed in claim 9, it is characterised in that the pulling and running tool is passed through with the sucker rod
Weighted lever is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621053484.7U CN206071502U (en) | 2016-09-13 | 2016-09-13 | Pulling and running tool and its oil field pulling tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621053484.7U CN206071502U (en) | 2016-09-13 | 2016-09-13 | Pulling and running tool and its oil field pulling tubing string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071502U true CN206071502U (en) | 2017-04-05 |
Family
ID=58437928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621053484.7U Active CN206071502U (en) | 2016-09-13 | 2016-09-13 | Pulling and running tool and its oil field pulling tubing string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882821A (en) * | 2021-10-22 | 2022-01-04 | 大庆市博瑞吉机械设备制造有限公司 | Releasing device and releasing method for oil field downhole delivery tool |
-
2016
- 2016-09-13 CN CN201621053484.7U patent/CN206071502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882821A (en) * | 2021-10-22 | 2022-01-04 | 大庆市博瑞吉机械设备制造有限公司 | Releasing device and releasing method for oil field downhole delivery tool |
| CN113882821B (en) * | 2021-10-22 | 2024-04-12 | 大庆市博瑞吉机械设备制造有限公司 | Releasing device and releasing method for underground oil field throwing tool |
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