CN107542428B - One kind opening the anti-apical organ of sliding sleeve and its control method - Google Patents
One kind opening the anti-apical organ of sliding sleeve and its control method Download PDFInfo
- Publication number
- CN107542428B CN107542428B CN201710793553.0A CN201710793553A CN107542428B CN 107542428 B CN107542428 B CN 107542428B CN 201710793553 A CN201710793553 A CN 201710793553A CN 107542428 B CN107542428 B CN 107542428B
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- ontology
- key
- support key
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The invention discloses one kind to open the anti-apical organ of sliding sleeve, comprising: ontology is cylindrical structure；And first, second support key, be arranged in the ontology opposite sides, can be axially vertical with the ontology when it is fully opened around the ontology radial rotary；Empty slot, it is located at the ontology two sides for being provided with the first, second support key, its shape is corresponding with the first, second support shape of key inswept ontology during ontology radial rotary, for accommodating the first, second support key completely, the axial angle of enough more accurate control support key and anti-apical organ, to control the resistance that anti-apical organ generates in pipeline and anti-upper top.The present invention also provides a kind of control methods for opening the anti-apical organ of sliding sleeve, according to sliding sleeve internal and external pressure difference, the coefficient of friction of key, sliding sleeve and inner wall of the pipe is supported to adjust support key length, and then the axial angle of support key and anti-apical organ and the rotation angle 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 operations 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 technique
As the exploitation of oil-gas reservoir is promoted to hypotonic compact reservoir, matched conventional tool technology no longer meets need
It wants.Sliding sleeve is that one of oil jacket annulus, the key tool for realizing separate stratum fracfturing are linked up in fracturing process.In the complete well gas testing of oil/gas well
Oil jacket annulus is connected to by Cheng Zhong by the opening action of sliding sleeve, to realize circulation, for operations such as liquid, sand fracturings.And open sliding sleeve
In the process, since there are powerful pressure differences inside and outside sliding sleeve, 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 tool is connected at the top of tool string, support and anti-upper push up function
Lag, causes steel wire tool string to be rushed to summit, tool string is caused to be fallen the accident of well by steel wire winding or tool.
Summary of the invention
It the purpose of the present invention is designing and developing one kind to open the anti-apical organ of sliding sleeve, can be lagged to avoid anti-apical organ function, reduce work
Tool string push up on the whole probability, avoid steel wire winding, structure is simple and convenient to operate.
It, being capable of more accurate control support key and anti-apical organ the purpose of the present invention is designing and developing one kind to open the anti-apical organ of sliding sleeve
Axial angle quickly, accurate complete to open sliding sleeve process to control the resistance that anti-apical organ generates in pipeline and anti-upper top.
It is a further object to provide a kind of control methods for opening the anti-apical organ of sliding sleeve, according to sliding sleeve external and internal pressure
The coefficient of friction of difference, the coefficient of friction and sliding sleeve and inner wall of the pipe that support key and inner wall of the pipe adjusts support key length,
And then the axial angle of support key and anti-apical organ and the rotation angle of support key are controlled, quickly, it is precisely accomplished out sliding sleeve process.
Technical solution provided by the invention are as follows:
One kind opening the anti-apical organ of sliding sleeve, comprising:
Ontology is cylindrical structure；And
First, second support key, is arranged in the ontology opposite sides, can be around the ontology radial rotary, when it
It is axially vertical with the ontology when fully opening；
Empty slot is located at the ontology two sides for being provided with the first, second support key, shape and described first, second
Support the shape of key inswept ontology during ontology radial rotary corresponding, for accommodating described first, second completely
Support key.
Preferably, further includes:
First, second anti-ejector pin, setting are used to support the first, second support key, make it in the body interior
With it is axially vertical with the ontology；
First, second reset spring, one end limit, the other end is fixed with the first, second support key, for replying
The first, second support key and the ontology are axially vertical.
Preferably, one end of first, second reset spring is limited by the first, second spacer pin；Described first,
Second support key is by supporting key fixed pin to connect with the ontology.
Preferably, further includes:
First, second telescoping mechanism, one end mutually close with the first, second support key is connect respectively, for adjusting
Save the first, second support key length；
Driving motor is arranged in first, second telescoping mechanism, for driving first, second telescopic machine
Structure adjusts the first, second support key length, and controls first, second telescoping mechanism and drive described first, second
Support key around the ontology radial rotary.
Preferably, the telescoping mechanism includes:
Telescopic rod, one end connect the support key；
Telescopic chute, shape is corresponding with the telescopic rod, for accommodating the telescopic rod, the driving motor driving completely
The telescopic rod moves in the telescopic chute；
Pole cap is arranged in the telescopic rod other end, moves in the telescopic chute for limiting the telescopic rod.
Preferably, further includes:
Pressure sensor is placed in the anti-apical organ bottom, for detecting pressure in sliding sleeve；
Controller is electrically connected with the pressure sensor and driving motor, for receiving the inspection of the pressure sensor
Measured data, and control the driving motor.
Correspondingly, the present invention also provides a kind of control methods for opening the anti-apical organ of sliding sleeve, comprising:
Step 1: the above-mentioned anti-apical organ of sliding sleeve of opening being placed in tool string bottommost, the first, second support key mapping is in the sky
In slot, transfers the anti-apical organ and pass through sliding sleeve；
Step 2: the driving motor is controlled while opening sliding sleeve adjusts the one the second support key length, so that the
One, the angle theta of the second support key and the ontology axial direction are as follows:
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 for supporting key and the oil country tubular good inner wall
Coefficient, μ2For the coefficient of friction of sliding sleeve to be opened and the oil country tubular good inner wall, diFor the first, second support key length, r1For oil
Well conduit internal diameter.
Preferably, the telescoping mechanism adjust that the first, second support key length is 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 ontology radial rotary.
Preferably, drifting must first be carried out before opening sliding sleeve；After opening sliding sleeve, after well head oil pressure is stablized, control it is described first,
Second support key rotation is contained in ontology empty slot, above mentions recycling tool string.
The present invention at least have it is following the utility model has the advantages that
(1) the anti-apical organ of sliding sleeve is opened described in the embodiment of the present invention 1, structure is simple, and it is easy to operate, it can be to avoid anti-apical organ function
Can lag, reduce tool string push up on the whole probability, avoid steel wire winding.
(2) the anti-apical organ of sliding sleeve is opened described in the embodiment of the present invention 2, is capable of the axis of more accurate control support key and anti-apical organ
To angle, to control the resistance that anti-apical organ generates in oil country tubular good and anti-upper top, quickly, accurately complete to open sliding sleeve process.
(3) control method of the present invention for opening the anti-apical organ of sliding sleeve supports key and pipeline according to sliding sleeve internal and external pressure difference
The coefficient of friction and sliding sleeve of inner wall and the coefficient of friction of inner wall of the pipe adjust support key length, so control support key and
The axial angle of anti-apical organ and the rotation angle of support key, quickly, are precisely accomplished out sliding sleeve process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention for opening the anti-apical organ of sliding sleeve.
Fig. 2 is the structural schematic diagram that the anti-apical organ of sliding sleeve is opened described in the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram that the anti-apical organ of sliding sleeve is opened described in the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram that the anti-apical organ of sliding sleeve is opened described in the embodiment of the present invention 2.
Fig. 5 is the structural schematic diagram of telescoping mechanism described in the embodiment of the present invention 2.
Fig. 6 is the structural schematic diagram of telescoping mechanism described in the embodiment of the present invention 2.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
The present invention can there are many different forms to implement, and should not be construed as limited to the embodiment illustrated again, phase
Instead, these embodiments are provided, 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, opens the anti-apical organ of sliding sleeve, comprising: ontology 100 is cylindrical structure；And
First, second support key 110,120, setting in 100 opposite sides of ontology, can around 100 radial rotary of ontology,
It is axially vertical with the ontology 100 when it is fully opened；Empty slot 130 is located at and is provided with first, second support
100 two sides of ontology of key 110,120, shape and the first, second support key 110,120 are around 100 radial rotary mistake of ontology
The shape of the inswept ontology 100 is corresponding in journey, for accommodating the first, second support key 110,120 completely.
As shown in Figure 2,3, as an embodiment of the present invention, described to open the anti-apical organ of sliding sleeve further include: first, second is anti-
Ejector pin 111,121, be arranged inside the ontology 100, be used to support it is described first, second support key 110,120, make its with
It is axially vertical with the ontology 100；First, second reset spring 112,122, one end limit, the other end with described first, the
Two support keys 110,120 are fixed, axially hang down for replying the first, second support key 110,120 and the ontology 100
Directly；One end of first, second reset spring 112,122 is limited by the first, second spacer pin 113,123；Described first,
Second support key 110,120 is by supporting key fixed pin 114 to connect with the ontology 100；100 upper end of ontology is integrally formed
There are fishing neck and screw thread；It is described first, second support key 110,120 around 100 radial rotary of ontology angle be 0~
180°；The first, second support key 110,120 is high hardness alloy steel；First, second reset spring 112,122 is
SUS316 grades of torsionsprings.
Working 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 open the anti-apical organ of sliding sleeve at BO shifting tool, the first, second support key
110,120 under the action of reset spring 112,122 be in horizontality, respectively with the axially vertical support of the ontology 100.
The anti-apical organ is connected to tool string bottom, can normally transfer 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 empty slot 130, do not influence tool string it is normal under
It puts, it is made to pass through sliding sleeve.After anti-apical organ passes through sliding sleeve completely, the first, second support key 110,120 is in reset spring
112, return back under the action of 122 on the axially vertical tube inner wall for being supported in sliding sleeve lower part of the ontology 100, sliding sleeve internal diameter
Less than pipe aperture, and under the action of the first, second anti-ejector pin 111,121, the first, second support key 110,120 can not be shunk
In lower part empty slot 130, to stop the uplink (upper top) of tool string.Wait open sliding sleeve terminate well head oil pressure stablize after, tool string to
After disconnected first, second anti-ejector pin 111,121 is sheared in upper jarring, the first, second support key 110,120 is in reset spring 112,122
Under the action of reset in tool string after lower part empty slot 130 can smoothly uplink out.
The anti-apical organ of sliding sleeve is opened described in the present embodiment, structure is simple, and it is easy to operate, it can be lagged to avoid anti-apical organ function,
Reduce tool string push up on the whole probability, avoid steel wire winding.
As Figure 4-Figure 6, described to open the anti-apical organ of sliding sleeve as another embodiment of the present invention further include: first, second stretches
Contracting mechanism 140 is connect, for adjusting described the respectively with first, second support mutually close one end of key 110,120
One, the length of the second support key 110,120；Driving motor (not shown) is arranged in 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
Controlling first, second telescoping mechanism 140 drives the first, second support key 110,120 around the ontology radial rotary,
The telescoping mechanism 140 includes: telescopic rod 141, and one end connects the support key；Telescopic chute 143, shape are stretched with described
Bar 141 is corresponding, and for accommodating the telescopic rod 141 completely, the driving motor drives the telescopic rod 141 in the telescopic chute
It is moved in 143；Pole cap 142, setting is in 141 other end of telescopic rod, for limiting the telescopic rod 141 described flexible
It is moved in slot 143；Pressure sensor 150 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 driving motor, for receiving the detection of the pressure sensor 150
Data, and control the driving motor；The telescoping mechanism 140 adjusts the length d of the first, second support key 110,120iFor oil
Well conduit internal diameter r11.01~1.07 times；100 upper end of ontology is integrally formed with fishing neck and screw thread；Described first,
Two support keys 110,120 are 0~180 ° around the angle of 100 radial rotary of ontology；The first, second support key 110,
120 be high hardness alloy steel.
The anti-apical organ of sliding sleeve is opened described in this implementation, is capable of the axial angle of more accurate control support key and anti-apical organ, from
And resistance and anti-upper top that anti-apical organ generates in oil country tubular good are controlled, quickly, accurately complete to open sliding sleeve process.
The anti-apical organ of sliding sleeve is opened for as described in example 2, the present invention also provides a kind of control method for opening the anti-apical organ of sliding sleeve,
Include:
Step 1: sliding sleeve anti-apical organ as described in example 2 of opening is placed in tool string bottommost, the first, second support key mapping in
In the empty slot, transfers 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 the ontology axial direction are as follows:
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 for supporting key and the oil country tubular good inner wall
Coefficient, μ2For the coefficient of friction of sliding sleeve to be opened and the oil country tubular good inner wall, diFor the first, second support key length, r1For oil
Well conduit internal diameter.
Certainly, drifting must be first carried out before opening sliding sleeve；After opening sliding sleeve, after well head oil pressure is stablized, control it is described first, the
Two support key rotations are contained in ontology empty slot, above mention recycling tool string；The telescoping mechanism 140 adjusts the first, second support
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 100 radial rotary of ontology is 0~180 °.
The control method of the present invention for opening the anti-apical organ of sliding sleeve supports in key and pipeline according to sliding sleeve internal and external pressure difference
The coefficient of friction and sliding sleeve of wall and the coefficient of friction of inner wall of the pipe adjust support key length, and then control support key and anti-
The axial angle of apical organ and the rotation angle of support key, quickly, are precisely accomplished out sliding sleeve process.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. one kind opens the anti-apical organ of sliding sleeve characterized by comprising
Ontology is cylindrical structure；And
First, second support key, setting, can be around the ontology radial rotaries, when it is complete in the ontology opposite sides
It is axially vertical with the ontology when opening；
Empty slot is located at the ontology two sides for being provided with the first, second support key, shape and first, second support
The shape of key inswept ontology during ontology radial rotary is corresponding, for accommodating first, second support completely
Key；
First, second anti-ejector pin, setting are used to support the first, second support key, make itself and institute in the body interior
It is axially vertical to state ontology；
First, second reset spring, one end limit, the other end is fixed with the first, second support key, described for replying
First, second support key and the ontology are axially vertical；
Wherein, one end of first, second reset spring is limited by the first, second spacer pin；First, second support
Key is by supporting key fixed pin to connect with the ontology；
First, second telescoping mechanism, one end mutually close with the first, second support key is connect respectively, for adjusting
State the first, second support key length；
Driving motor is arranged in first, second telescoping mechanism, for driving the first, second telescoping mechanism tune
The first, second support key length is saved, and controls first, second telescoping mechanism and drives first, second support
Key is around the ontology radial rotary.
2. opening the anti-apical organ of sliding sleeve as described in claim 1, which is characterized in that the telescoping mechanism includes:
Telescopic rod, one end connect the support key；
Telescopic chute, shape is corresponding with the telescopic rod, for accommodating the telescopic rod completely, described in the driving motor driving
Telescopic rod moves in the telescopic chute；
Pole cap is arranged in the telescopic rod other end, moves in the telescopic chute for limiting the telescopic rod.
3. opening the anti-apical organ of sliding sleeve as claimed in claim 2, which is characterized in that further include:
Pressure sensor is placed in the anti-apical organ bottom, for detecting pressure in sliding sleeve；
Controller is electrically connected with the pressure sensor and driving motor, for receiving the testing number of the pressure sensor
According to, and control the driving motor.
4. a kind of control method for opening the anti-apical organ of sliding sleeve characterized by comprising
Step 1: the anti-apical organ of sliding sleeve will be opened described in claim 1-3 any one is placed in tool string bottommost, first, second
Key mapping is supportted in the empty slot, the decentralization anti-apical organ passes through sliding sleeve；
Step 2: the driving motor is controlled while opening sliding sleeve adjusts the first, second support key length, so that the
One, the angle theta of the second support key and the ontology axial direction are as follows:
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 coefficient of friction for supporting key and oil country tubular good inner wall, μ2For
The coefficient of friction of sliding sleeve to be opened and oil country tubular good inner wall, diFor the first, second support key length, r1For oil country tubular good internal diameter.
5. opening the control method of the anti-apical organ of sliding sleeve as claimed in claim 4, which is characterized in that the telescoping mechanism adjusts the
One, the second support key length is 1.01~1.07 times of oil country tubular good internal diameter.
6. opening the control method of the anti-apical organ of sliding sleeve as claimed in claim 4, which is characterized in that the first, second support key
Angle around the ontology radial rotary is 0~180 °.
7. opening the control method of the anti-apical organ of sliding sleeve as claimed in claim 4, which is characterized in that must first be led to before opening sliding sleeve
Well；After opening sliding sleeve, after well head oil pressure is stablized, controls the first, second support key rotation and be contained in ontology empty slot, above mention
Recycle tool string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793553.0A CN107542428B (en) | 2017-09-06 | 2017-09-06 | One kind opening the anti-apical organ of sliding sleeve and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793553.0A CN107542428B (en) | 2017-09-06 | 2017-09-06 | One kind opening the anti-apical organ of sliding sleeve and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107542428A CN107542428A (en) | 2018-01-05 |
| CN107542428B true CN107542428B (en) | 2019-09-13 |
Family
ID=60959170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793553.0A Active CN107542428B (en) | 2017-09-06 | 2017-09-06 | One kind opening the anti-apical organ of sliding sleeve and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107542428B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5758723A (en) * | 1996-06-05 | 1998-06-02 | Tiw Corporation | Fluid pressure deactivated thru-tubing centralizer |
| GB2418217B (en) * | 2002-06-12 | 2006-10-11 | Enventure Global Technology | Collapsible expansion cone |
| 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 |
| EP2264277B1 (en) * | 2009-06-18 | 2012-08-01 | Atlas Copco Canada Inc. | 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 |
| CN205743799U (en) * | 2016-06-16 | 2016-11-30 | 上海嘉地仪器有限公司 | The electronic dragging instrument of double guiding |
| CN106884626B (en) * | 2017-02-28 | 2023-05-23 | 中国地质科学院勘探技术研究所 | Double-barrelled drilling tool positioning mechanism of dead formula of preventing top |
-
2017
- 2017-09-06 CN CN201710793553.0A patent/CN107542428B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107542428A (en) | 2018-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104838086B (en) | The mechanical actuation means below mechanically actuated release assembly are positioned at using J slot device | |
| CN201865661U (en) | Hanging device of testing instrument for through tubing bailing well | |
| CN209228316U (en) | A kind of hydrology hole drilling rig | |
| CN102359346A (en) | Lunar soil deep drilling sample recycling mechanism | |
| CN104062141B (en) | Lunar soil core drilling mechanism performance test system | |
| CN102619481B (en) | Mechanical completion string running tool | |
| CN107542428B (en) | One kind opening the anti-apical organ of sliding sleeve and its control method | |
| US20190316432A1 (en) | Downhole Torqueing | |
| CN105041283B (en) | Formula of helping pull a cart full-bore fracturing tool and control method | |
| US20090272543A1 (en) | Tubular Running Devices and Methods | |
| CN108412483A (en) | A kind of Geological data collecting drilling tool and its application method | |
| CN104989308B (en) | High angle hole radial jet windowing guide device and windowing bootstrap technique | |
| NO20140148A1 (en) | Flow bore mounted sensor package | |
| CN2725507Y (en) | Mechanical tail pipe suspension apparatus | |
| CN104374604B (en) | Inclined soil sampler | |
| CN2555396Y (en) | Multiarm micromagnet well temp sleeve loss detector | |
| CN212363715U (en) | Ground sampling device | |
| CN103195383A (en) | Underground delivering device for highly-deviated well gas-lift valve | |
| CN202596625U (en) | Mechanical downward placing tool of well completion pipe column | |
| CN201851050U (en) | Conductor housing fetching and delivering tool for underwater wellheads | |
| CN104047582B (en) | Multiple zone intelligence is joined production. art tubing string | |
| CN205665041U (en) | Sectional type geotome | |
| CN207144939U (en) | A kind of oil well applied pressure by annulus high pressure physical property sample device | |
| CN201080817Y (en) | Expanding and shrinking type reducing leading-in apparatus | |
| CN202689931U (en) | Novel deep sea automatic extension rod pressure maintaining sampling drill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |