CN107542428A - One kind opens the anti-apical organ of sliding sleeve and its control method - Google Patents
One kind opens the anti-apical organ of sliding sleeve and its control method Download PDFInfo
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- CN107542428A CN107542428A CN201710793553.0A CN201710793553A CN107542428A CN 107542428 A CN107542428 A CN 107542428A CN 201710793553 A CN201710793553 A CN 201710793553A CN 107542428 A CN107542428 A CN 107542428A
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- 210000000056 organ Anatomy 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003129 oil well Substances 0.000 claims description 4
- 238000013507 mapping Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The invention discloses one kind to drive the anti-apical organ of sliding sleeve, including：Body, it is cylindrical structure；And first, second support key, it is arranged on the body opposite sides, can be around the body radial rotary, and when it is opened completely, it is axially vertical with the body；Dead slot, it is located at the body both sides for being provided with the first, second support key, its shape is corresponding with the shape of described first, second support key inswept body during body radial rotary, for accommodating the first, second support key completely, the axial angle of enough more accurate control support keys and anti-apical organ, so as to control anti-apical organ in pipeline caused resistance and it is anti-on push up.The present invention also provides a kind of control method for driving the anti-apical organ of sliding sleeve, it is poor according to sliding sleeve external and internal pressure, support key, the coefficient of friction of sliding sleeve and inner-walls of duct adjust support key length, and then the axial angle of support key and anti-apical organ and the anglec of rotation of support key are controlled, quickly, it is precisely accomplished out sliding sleeve process.
Description
Technical field
The present invention relates to downhole steel wire operation to open sliding sleeve technical field, and more particularly, the present invention relates to one kind to open sliding sleeve
Anti- apical organ and its control method.
Background technology
Promoted with the exploitation of oil-gas reservoir to hypotonic compact reservoir, matched conventional tool technology no longer meets need
Will.Sliding sleeve is that one of oil jacket annular space, the key tool for realizing separate stratum fracfturing are linked up in fracturing process.In oil gas well completion gas testing
Cheng Zhong, oil jacket annular space is connected by the opening action of sliding sleeve, to realize circulation, for operations such as liquid, sand fracturings.And open sliding sleeve
During, due to powerful pressure differential inside and outside sliding sleeve be present, in the moment of sliding sleeve passive open, powerful external pressure is gushed suddenly
Oil inlet pipe, promotion open sliding sleeve tool string it is quick on alter, and now prevent that upper top instrument is connected at the top of tool string, support anti-upper top function
Hysteresis, causes steel wire tool string to be rushed to summit, causes tool string to be fallen the accident of well by steel wire winding or instrument.
The content of the invention
The purpose of the present invention is to design and develop one kind to drive the anti-apical organ of sliding sleeve, and anti-apical organ function can be avoided to lag, and reduces work
Tool string push up on the whole probability, avoid steel wire winding, it is simple in construction, easy to operate.
The purpose of the present invention is to design and develop one kind to drive the anti-apical organ of sliding sleeve, can more accurately control support key and anti-apical organ
Axial angle, so as to control anti-apical organ in pipeline caused resistance and it is anti-on push up, it is quick, accurate to complete to open sliding sleeve process.
It is a further object to provide a kind of control method for driving the anti-apical organ of sliding sleeve, according to sliding sleeve external and internal pressure
Difference, key and the coefficient of friction and sliding sleeve of inner-walls of duct and the coefficient of friction of inner-walls of duct is supported to adjust support key length,
And then the axial angle of support key and anti-apical organ and the anglec of rotation of support key are controlled, quickly, it is precisely accomplished out sliding sleeve process.
Technical scheme provided by the invention is：
One kind drives the anti-apical organ of sliding sleeve, including：
Body, it is cylindrical structure；And
First, second support key, it is arranged on the body opposite sides, can be around the body radial rotary, when it
When opening completely, it is axially vertical with the body；
Dead slot, it is located at the body both sides for being provided with the first, second support key, its shape and described first, second
Support the shape of key inswept body during body radial rotary corresponding, for accommodating described first, second completely
Support key.
Preferably, in addition to：
First, second anti-ejector pin, it is arranged on the body interior, for supporting the first, second support key, makes it
With it is axially vertical with the body；
First, second back-moving spring, its one end is spacing, and the other end is fixed with described first, second support key, for replying
The first, second support key and the body are axially vertical.
Preferably, one end of first, second back-moving spring is spacing by first, second spacer pin；Described first,
Second support push-to is crossed support key steady pin and is connected with the body.
Preferably, in addition to：
First, second telescoping mechanism, it is connected with described first, second one end for supporting key mutually close respectively, for adjusting
Save the first, second support key length；
Motor, it is arranged in first, second telescoping mechanism, for driving first, second telescopic machine
The structure regulation first, second support key length, and control first, second telescoping mechanism to drive described first, second
Key is supported around the body radial rotary.
Preferably, the telescoping mechanism includes：
Expansion link, its one end connect the support key；
Telescopic chute, its shape is corresponding with the expansion link, for accommodating the expansion link, the motor driving completely
The expansion link moves in the telescopic chute；
Pole cap, it is arranged on the expansion link other end, is moved for limiting the expansion link in the telescopic chute.
Preferably, in addition to：
Pressure sensor, it is placed in the anti-apical organ bottom, for detecting pressure in sliding sleeve；
Controller, it is electrically connected with the pressure sensor and motor, for receiving the inspection of the pressure sensor
Data are surveyed, and control the motor.
Correspondingly, the present invention also provides a kind of control method for driving the anti-apical organ of sliding sleeve, including：
Step 1：The above-mentioned anti-apical organ of sliding sleeve of opening is placed in tool string bottommost, first, second support key mapping is in the sky
In groove, transfer the anti-apical organ and pass through sliding sleeve；
Step 2：The motor regulation the one the second support key length is controlled while opening sliding sleeve so that the
First, the second support key and the angle theta of body axial direction are：
Work as Pi＜ Pg≤10PiWhen,
di=r1/|sinθ|
Or
Work as Pg＞ 10PiWhen, di=1.05r1, θ=90o
Wherein, PiFor pressure in sliding sleeve, PgFor sliding sleeve external pressure, μ1For the friction of support key and the oil country tubular good inwall
Coefficient, μ2For the coefficient of friction of sliding sleeve to be opened and the oil country tubular good inwall, diFor first, second support key length, r1For oil
Well conduit internal diameter.
Preferably, the support key length of telescoping mechanism regulation first, second for oil country tubular good internal diameter 1.01~
1.07 again.
Preferably, the first, second support key is 0~180 ° around the angle of the body radial rotary.
Preferably, drifting must first be carried out before opening sliding sleeve；After opening sliding sleeve, after well head oil pressure is stable, control is described first,
Second support key rotation is contained in body dead slot, above carries recovery tool string.
The present invention at least possesses following beneficial effect：
(1) the anti-apical organ of sliding sleeve is driven described in the embodiment of the present invention 1, it is simple in construction, it is easy to operate, anti-apical organ work(can be avoided
Can hysteresis, reduce tool string push up on the whole probability, avoid steel wire winding.
(2) the anti-apical organ of sliding sleeve is driven described in the embodiment of the present invention 2, can more accurately controls the axle of support key and anti-apical organ
To angle, so as to control anti-apical organ in oil country tubular good caused resistance and it is anti-on push up, it is quick, accurate to complete to open sliding sleeve process.
(3) control method of the present invention for driving the anti-apical organ of sliding sleeve, it is poor according to sliding sleeve external and internal pressure, support key and pipeline
The coefficient of friction and sliding sleeve of inwall and the coefficient of friction of inner-walls of duct adjust support key length, so control support key and
The axial angle of anti-apical organ and the anglec of rotation of support key, quickly, are precisely accomplished out sliding sleeve process.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention for driving the anti-apical organ of sliding sleeve.
Fig. 2 is the structural representation that the anti-apical organ of sliding sleeve is driven described in the embodiment of the present invention 1.
Fig. 3 is the structural representation that the anti-apical organ of sliding sleeve is driven described in the embodiment of the present invention 1.
Fig. 4 is the structural representation that the anti-apical organ of sliding sleeve is driven described in the embodiment of the present invention 2.
Fig. 5 is the structural representation of telescoping mechanism described in the embodiment of the present invention 2.
Fig. 6 is the structural representation of telescoping mechanism described in the embodiment of the present invention 2.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
The present invention can have many different forms to implement, and should not be construed as limited to the embodiment illustrated again, phase
Instead, there is provided these embodiments so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, structure can be exaggerated
With the size and relative size in region.
As shown in figure 1, the present invention, which provides one kind, drives the anti-apical organ of sliding sleeve, including：Body 100, it is cylindrical structure；And
First, second support key 110,120, it is arranged on the opposite sides of body 100, can around the radial rotary of body 100,
When it is opened completely, it is axially vertical with the body 100；Dead slot 130, it is supported positioned at being provided with described first, second
The both sides of body 100 of key 110,120, its shape is with described first, second support key 110,120 around the radial rotary mistake of body 100
The shape of the inswept body 100 is corresponding in journey, for accommodating the first, second support key 110,120 completely.
As shown in Figure 2,3, also include as one embodiment of the present of invention, the anti-apical organ of sliding sleeve of opening：First, second is anti-
Ejector pin 111,121, it is arranged on inside the body 100, for support it is described first, second support key 110,120, make its with
It is axially vertical with the body 100；First, second back-moving spring 112,122, its one end is spacing, and the other end is with described first, the
Two support keys 110,120 are fixed, and are axially hung down with the body 100 for replying the first, second support key 110,120
Directly；One end of first, second back-moving spring 112,122 is spacing by first, second spacer pin 113,123；Described first,
Second support key 110,120 is by supporting key steady pin 114 to be connected with the body 100；The upper end of body 100 is integrally formed
There are fishing neck and screw thread；The first, second support key 110,120 around the radial rotary of body 100 angle for 0~
180°；The first, second support key 110,120 is high hardness alloy steel；First, second back-moving spring 112,122 is
SUS316 level torsionsprings.
Operation principle：
The anti-apical organ of sliding sleeve of opening is placed in tool string lowermost end, tool string is sequentially connected rope socket from top to bottom, swivel,
Weighted lever, universal joint, weighted lever, mechanic jar and drive the anti-apical organ of sliding sleeve at BO shifting tools, the first, second support key
110th, 120 horizontality is in the presence of back-moving spring 112,122, its respectively with the 100 axially vertical support of body.
The anti-apical organ is connected to tool string bottom, can normally be transferred in oil country tubular good, when it comes downwards to sliding sleeve, first,
Two support keys 110,120 compression reseting springs 112,122 can be contracted to top dead slot 130, do not influence tool string it is normal under
Put, it is passed through sliding sleeve.After anti-apical organ is completely by sliding sleeve, first, second support key 110,120 is in back-moving spring
112nd, return back in the presence of 122 and the body 100 is axially vertical is supported on the tube inner wall of sliding sleeve bottom, sliding sleeve internal diameter
Less than pipe aperture, and first, second support key 110,120 can not shrink in the presence of first, second anti-ejector pin 111,121
In bottom dead slot 130, so as to stop on up (the upper top) of tool string.Wait open sliding sleeve terminate well head oil pressure it is stable after, tool string to
After the upper disconnected first, second anti-ejector pin 111,121 of jarring shearing, first, second support key 110,120 is in back-moving spring 112,122
In the presence of reset in tool string after bottom dead slot 130 can it is smoothly up go out.
The anti-apical organ of sliding sleeve is driven described in the present embodiment, it is simple in construction, it is easy to operate, anti-apical organ function can be avoided to lag,
Reduce tool string push up on the whole probability, avoid steel wire winding.
As Figure 4-Figure 6, also include as another embodiment of the present invention, the anti-apical organ of sliding sleeve of opening：First, second stretches
Contracting mechanism 140, it is connected with described first, second support key 110,120 mutually close one end respectively, for adjusting described the
First, the length of the second support key 110,120；Motor (not shown), it is arranged on first, second telescoping mechanism
In 140, for driving first, second telescoping mechanism 140 to adjust the length of the first, second support key 110,120, and
First, second telescoping mechanism 140 is controlled to drive the first, second support key 110,120 around the body radial rotary,
The telescoping mechanism 140 includes：Expansion link 141, its one end connect the support key；Telescopic chute 143, its shape are stretched with described
The correspondence of bar 141, for accommodating the expansion link 141 completely, the motor drives the expansion link 141 in the telescopic chute
Moved in 143；Pole cap 142, it is arranged on the other end of expansion link 141, for limiting the expansion link 141 described flexible
Moved in groove 143；Pressure sensor 150, it is placed in the anti-apical organ bottom, for detecting pressure in sliding sleeve；Controller is (in figure
It is not shown), it is electrically connected with the pressure sensor 150 and motor, for receiving the detection of the pressure sensor 150
Data, and control the motor；The length d of the support key 110,120 of the regulation of telescoping mechanism 140 first, secondiFor oil
Well conduit internal diameter r11.01~1.07 times；The upper end of body 100 is integrally formed with fishing neck and screw thread；Described first,
Two support keys 110,120 are 0~180 ° around the angle of the radial rotary of body 100；The first, second support key 110,
120 be high hardness alloy steel.
The described axial angle driven the anti-apical organ of sliding sleeve, can more accurately control support key and anti-apical organ of this implementation, from
And control anti-apical organ in oil country tubular good caused resistance and it is anti-on push up, it is quick, accurate to complete to open sliding sleeve process.
For driving the anti-apical organ of sliding sleeve described in embodiment 2, the present invention also provides a kind of control method for driving the anti-apical organ of sliding sleeve,
Including：
Step 1：The anti-apical organ of sliding sleeve of opening described in embodiment 2 is placed in tool string bottommost, first, second support key mapping in
In the dead slot, transfer the anti-apical organ and pass through sliding sleeve；
Step 2：Adjusted while opening sliding sleeve it is described first, second support key length so that first, second support key with
The angle theta of body axial direction is：
Work as Pi＜ Pg≤10PiWhen,
di=r1/|sinθ|
Or
Work as Pg＞ 10PiWhen, di=1.05r1, θ=90 °
Wherein, PiFor pressure in sliding sleeve, PgFor sliding sleeve external pressure, μ1For the friction of support key and the oil country tubular good inwall
Coefficient, μ2For the coefficient of friction of sliding sleeve to be opened and the oil country tubular good inwall, diFor first, second support key length, r1For oil
Well conduit internal diameter.
Certainly, drifting must be first carried out before sliding sleeve is opened；After opening sliding sleeve, after well head oil pressure is stable, control is described first, the
Two support key rotations are contained in body dead slot, above carry recovery tool string；The support of the regulation of telescoping mechanism 140 first, second
The length d of key 110,120iFor oil country tubular good internal diameter r11.01~1.07 times；The first, second support key 110,120 is around institute
The angle for stating the radial rotary of body 100 is 0~180 °.
The control method of the present invention for driving the anti-apical organ of sliding sleeve, it is poor according to sliding sleeve external and internal pressure, in support key and pipeline
The coefficient of friction and sliding sleeve of wall and the coefficient of friction of inner-walls of duct adjust support key length, and then control support key and anti-
The axial angle of apical organ and the anglec of rotation of support key, quickly, are precisely accomplished out sliding sleeve process.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
1. one kind drives the anti-apical organ of sliding sleeve, it is characterised in that including：
Body, it is cylindrical structure；And
First, second support key, it is arranged on the body opposite sides, can be around the body radial rotary, when its is complete
During opening, it is axially vertical with the body；
Dead slot, it is located at the body both sides for being provided with the first, second support key, its shape and described first, second support
The shape of key inswept body during body radial rotary is corresponding, for accommodating first, second support completely
Key.
2. drive the anti-apical organ of sliding sleeve as claimed in claim 1, it is characterised in that also include：
First, second anti-ejector pin, it is arranged on the body interior, for support it is described first, second support key, make its with
The body is axially vertical；
First, second back-moving spring, its one end is spacing, and the other end is fixed with described first, second support key, described for replying
The first, second support key and the body are axially vertical.
3. drive the anti-apical organ of sliding sleeve as claimed in claim 2, it is characterised in that one end of first, second back-moving spring leads to
It is spacing to cross first, second spacer pin；The first, second support push-to is crossed support key steady pin and is connected with the body.
4. drive the anti-apical organ of sliding sleeve as claimed in claim 1, it is characterised in that also include：
First, second telescoping mechanism, it is connected with described first, second one end for supporting key mutually close respectively, for adjusting
State first, second support key length；
Motor, it is arranged in first, second telescoping mechanism, for driving first, second telescoping mechanism to adjust
The first, second support key length is saved, and controls first, second telescoping mechanism to drive first, second support
Key is around the body radial rotary.
5. drive the anti-apical organ of sliding sleeve as claimed in claim 4, it is characterised in that the telescoping mechanism includes：
Expansion link, its one end connect the support key；
Telescopic chute, its shape is corresponding with the expansion link, for accommodating the expansion link completely, described in the motor driving
Expansion link moves in the telescopic chute；
Pole cap, it is arranged on the expansion link other end, is moved for limiting the expansion link in the telescopic chute.
6. drive the anti-apical organ of sliding sleeve as claimed in claim 4, it is characterised in that also include：
Pressure sensor, it is placed in the anti-apical organ bottom, for detecting pressure in sliding sleeve；
Controller, it is electrically connected with the pressure sensor and motor, for receiving the testing number of the pressure sensor
According to, and control the motor.
A kind of 7. control method for driving the anti-apical organ of sliding sleeve, it is characterised in that including：
Step 1：The anti-apical organ of sliding sleeve of opening described in claim 4-6 any one is placed in tool string bottommost, first, second
Key mapping is supportted in the dead slot, the decentralization anti-apical organ passes through sliding sleeve；
Step 2：The motor regulation the one the second support key length is controlled while opening sliding sleeve so that first,
Second support key and the angle theta of body axial direction are：
Work as Pi＜ Pg≤10PiWhen,
di=r1/|sinθ|
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Or
Work as Pg＞ 10PiWhen, di=1.05r1, θ=90 °
Wherein, PiFor pressure in sliding sleeve, PgFor sliding sleeve external pressure, μ1To support the coefficient of friction of key and the oil country tubular good inwall,
μ2For the coefficient of friction of sliding sleeve to be opened and the oil country tubular good inwall, diFor first, second support key length, r1For oil well pipe
Road internal diameter.
8. the as claimed in claim 7 control method for driving the anti-apical organ of sliding sleeve, it is characterised in that the telescoping mechanism regulation the
First, second key length is supported as 1.01~1.07 times of oil country tubular good internal diameter.
9. the control method as claimed in claim 7 for driving the anti-apical organ of sliding sleeve, it is characterised in that the first, second support key
Angle around the body radial rotary is 0~180o.
10. the control method as claimed in claim 7 for driving the anti-apical organ of sliding sleeve, it is characterised in that must first be led to before opening sliding sleeve
Well；After opening sliding sleeve, after well head oil pressure is stable, the control first, second support key rotation is contained in body dead slot, is above carried
Reclaim tool string.
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| CN201710793553.0A CN107542428B (en) | 2017-09-06 | 2017-09-06 | One kind opening the anti-apical organ of sliding sleeve and its control method |
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|---|---|---|---|
| CN201710793553.0A CN107542428B (en) | 2017-09-06 | 2017-09-06 | One kind opening the anti-apical organ of sliding sleeve and its control method |
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| CN107542428B CN107542428B (en) | 2019-09-13 |
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| CN2777180Y (en) * | 2005-01-10 | 2006-05-03 | 河北华北石油荣盛机械制造有限公司 | Automatic tightening type anti-pushing-up slips |
| CN102459805A (en) * | 2009-06-18 | 2012-05-16 | 阿特拉斯·科普柯加拿大有限公司 | Overshot device |
| CN204691727U (en) * | 2015-04-16 | 2015-10-07 | 辽河石油勘探局 | The anti-ejection device of a kind of oil pipe |
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| CN106884626A (en) * | 2017-02-28 | 2017-06-23 | 中国地质科学院勘探技术研究所 | A kind of two-tube drilling tool detent mechanism of anti-dieback formula |
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