CN206053914U - A kind of thermal production well filling anti-sand instrument - Google Patents
A kind of thermal production well filling anti-sand instrument Download PDFInfo
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- CN206053914U CN206053914U CN201621054212.9U CN201621054212U CN206053914U CN 206053914 U CN206053914 U CN 206053914U CN 201621054212 U CN201621054212 U CN 201621054212U CN 206053914 U CN206053914 U CN 206053914U
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- central canal
- excessively stream
- exocoel
- cone
- sealing
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Abstract
This utility model provides a kind of thermal production well filling anti-sand instrument, including central canal, excessively stream exocoel, sealing shroud, slip mechanism, leather cup, shifter, the excessively stream exocoel is enclosed within the outside of central canal, the outer cavity outer wall of the excessively stream is cased with slip mechanism, sealing shroud is cased with the outside of the slip mechanism upper end, slip mechanism lower end outside is cased with leather cup, and the central canal and excessively stream exocoel lower end connect shifter simultaneously；When filling anti-sand, sealing shroud is rubber seal, and when follow-up steam injection, sealing shroud is lead sealing sealing member.The features such as this utility model has safety and environmental protection, simple, high pressure resistant, high temperature resistant of constructing, is the preferable instrument of thermal production well filling anti-sand.
Description
Technical field
This utility model is related to thickened oil recovery instrument, especially a kind of thermal production well filling anti-sand instrument.
Background technology
At present, domestic thickened oil recovery proportion accounts for a quarter of whole crude oil development, and in the impetus for increasing year by year, it is thick
Oil mining requires that sand control carries out supporting adaptation, and this can be resistant to 360 DEG C or so of high temperature after requiring sand control, and keep compared with
The exploitation via steam injection of many rounds.And current high temperature seal is mostly using politef or the lead sealing of improvement, the former heatproof
Property do not reach requirement, the latter in filling destructible and the function of filling anti-sand construction cannot be realized, how to solve can be effective
Gravel filling sand prevention can guarantee that elevated-temperature seal effect this difficult problem has been put in face of us without obstruction again.
Through retrieval, application number：200520087041.5, the applying date：The patent of 2005-09-07 discloses a kind of thermal recovery
Sand proof packing tool, including extruding conversion equipment, suspension sub-releasing device and filling sealing device, extruding conversion equipment include conversion
Joint, central canal, main body outer tube, conversion inner tube, conversion assembly, reducer union, unidirectional valve ball, sealing shroud, locking plate, baffle ring, punching
Pipe pipe nipple, lengthening set；Suspension sub-releasing device includes piston, shear pin and closing piece；Filling sealing device includes pressure cap, leather cup, interval
Set, also including the lead sealing sealing device installed between the filling sealing device and extruding conversion equipment, including being sequentially connected with
With pressure-transmitting joint, lock sleeve, steel ball, lead sealing, suspension set, hanging pup joint and the pressure-bearing joint installed.This utility model has to be applied
Work operation is few, only can complete thermal recovery sand control with one-trip string, and filling bore closure is tight, without the features such as opening by mistake, is widely used in
In the thermal recovery filling anti-sand technique of oil exploitation.
Above-mentioned prior art be standard only with lead sealing come the technology for sealing, the destructible in filling and cannot realize filling
The function of sand control construction is filled out, above-mentioned prior art is also differed with this utility model concrete technical scheme in addition.
Utility model content
The purpose of this utility model is to provide a kind of thermal production well filling anti-sand instrument, simple, resistance to safety and environmental protection, construction
The features such as high pressure, high temperature resistant, be the preferable instrument of thermal production well filling anti-sand.
The purpose of this utility model can be achieved by the following technical measures：
The thermal production well filling anti-sand instrument, including central canal, excessively stream exocoel, sealing shroud, slip mechanism, leather cup, interpreter
Structure, the excessively stream exocoel are enclosed within the outside of central canal, and the outer cavity outer wall of the excessively stream is cased with slip mechanism, outside the slip mechanism upper end
Side is cased with sealing shroud, and slip mechanism lower end outside is cased with leather cup, and the central canal and excessively stream exocoel lower end connect conversion simultaneously
Mechanism；When filling anti-sand, sealing shroud is rubber seal, and when follow-up steam injection, sealing shroud is lead sealing sealing member.
The purpose of this utility model can be achieved by the following technical measures：
The slip mechanism includes upper cone, slip sleeve, slips, lower cone, the slips be located at upper cone, lower cone it
Between, the slips is set on slips two ends and is enclosed within upper cone, lower cone.
The sealing shroud is enclosed within upper cone outer wall, and the sealing set upper side connects lock ring set, the lock ring set upper side connection
Upper press ring, arranges lock ring, the lock ring and the connection of excessively stream exocoel screw thread type, the central canal between the upper press ring and lock ring set
Upper end connects top connection, and forms plunger shaft between the two, and piston is arranged in plunger shaft, and the piston is separated into plunger shaft
Open up the through hole of communication with cavity and exocoel on inner chamber and exocoel, wherein piston, piston upper end inside and outside wall respectively with central canal
Seal with top connection, the plunger shaft of piston upper end is divided into epicoele, the central canal opens up the through hole for being communicated to epicoele, institute
Excessively stream exocoel and above-mentioned inner space are stated, the piston is connected on upper press ring, the lock ring set is connected by pin
Cone.
The leather cup is enclosed within lower cone outer wall, and leather cup upper end arranges leather cup support, leather cup support upper end connect simultaneously regulation ring and
Solution big envelope, the solution big envelope connect lower cone by pin.
The shifter includes conversion body, inner carrier, closes set, union joint, connecting cavity, excessively stream chamber, outside the excessively stream
Chamber lower end connects conversion body by adapter sleeve, and conversion body lower end is connected with connecting cavity, the connection lower contact of connecting cavity lower end, lower contact
Interior lower end connects inner pipe joint, said inner tube upper end of joint connection excessively stream chamber, excessively stream chamber upper end connection central canal, center
Pipe lower end inner wall arranges inner carrier, arranges and close set between the conversion body and central canal, described to close set lower end and union joint
Connection, union joint are connected on central canal, and the inner carrier is connected on union joint by pin, and the excessively stream exocoel lower end connects
Conversion body upper end is passed to, inner carrier upper end inwall opens up inner conical surface, has been located steel ball, and said inner tube inner nosepiece wall is also provided with
Inner conical surface, has also been located steel ball.
The central canal, closing set, conversion body open up the radial direction through hole being connected simultaneously, during the inner carrier is temporarily blocked
The above-mentioned radial direction through hole of heart pipe, the excessively stream intracavity portion are communicated to center tube cavity, inside ft connection to connecting cavity, the pass
Set temporarily closure is closed in connecting cavity and is changed between intracoelomic cavity.
Compared to prior art, this utility model has the advantages that：
The instrument adopts combined seal structure, during filling anti-sand, using conventional rubber materials as sealing member, the sealing
Part can ensure sealing under filling high pressure, and construction effect ensure that；And in follow-up steam injection, using lead sealing as close
Sealing, static lower lead sealing have higher resistance to pressure, and can guarantee that the effect under high temperature.This utility model have safety and environmental protection,
The features such as simple, high pressure resistant, high temperature resistant of constructing, be the preferable instrument of thermal production well filling anti-sand, and application value is big, the suitability
By force.
Description of the drawings
Structural representations of the Fig. 1 for this utility model embodiment.
In figure：1- top connections；2nd, 3,13,27,28,29,35,36- sealing rings；11- sealing shrouds；4- central canals；5- pistons；
6- upper press rings；7- lock rings；8- lock ring sets；9- excessively stream exocoels；10th, 17,31- pins；12- upper cones；14- slip sleeves；15- cards
Watt；16- lower cones；18- solves big envelope；19- regulation rings；20- leather cup supports；21- leather cup sets；22- leather cups；23- top covers；24- connects
Set；25- conversion bodies；26- inner carriers；30- closes set；32- union joints；33- connecting cavities；34- excessively streams chamber；37- lower contacts；38-
Inner pipe joint；39- steel balls.
Specific embodiment
Relevant detailed description of the present utility model and technology contents, coordinate description of the drawings as follows, but accompanying drawing only provide ginseng
Examine and purposes of discussion, not for being any limitation as to this utility model.
According to Fig. 1, thermal production well filling anti-sand instrument, including central canal 4, excessively stream exocoel 9, sealing shroud 11, slip mechanism, skin
Bowl 22, shifter, on the outside of central canal 4, the outer cavity outer wall of the excessively stream is cased with slip mechanism to the excessively stream exocoel set 9, described
Sealing shroud is cased with the outside of slip mechanism upper end, slip mechanism lower end outside is cased with leather cup, under the central canal and excessively stream exocoel
End connects shifter simultaneously；When filling anti-sand, sealing shroud is rubber seal, and when follow-up steam injection, sealing shroud is lead
It is sealed sealing.The slip mechanism includes upper cone 12, slip sleeve 14, slips 15, lower cone 16, and the slips is located at epicone
Between body, lower cone, the slips is set on slips two ends and is enclosed within upper cone, lower cone.
The sealing shroud 11 is enclosed within upper cone outer wall, the sealing set upper side connection lock ring set 8, the lock ring set upper side company
Connect pressure ring 6, lock ring 7, the lock ring and the connection of excessively stream exocoel screw thread type be set between the upper press ring and lock ring set, it is described in
Heart pipe upper end connects top connection 1, and forms plunger shaft between the two, and piston 5 is arranged in plunger shaft, and the piston is plunger shaft
Be separated into inner chamber and exocoel, wherein on piston, open up the through hole of communication with cavity and exocoel, piston upper end inside and outside wall respectively with
Central canal and top connection 1 are sealed, and the plunger shaft of piston upper end is divided into epicoele, and the central canal is opened up and is communicated to epicoele
Through hole, the excessively stream exocoel and above-mentioned inner space, the piston are connected on upper press ring, and the lock ring set is by pin
10 connection upper cones.The leather cup 22 is enclosed within 16 outer wall of lower cone, and leather cup upper end arranges leather cup support 21, and leather cup support upper end connects simultaneously
Connect regulation ring 19 and conciliate big envelope 18, the solution big envelope connects lower cone by pin 17.
The shifter includes conversion body 25, inner carrier 26, closes set 30, union joint 32, connecting cavity 33, excessively stream chamber
34, the excessively stream exocoel lower end connects conversion body 25 by adapter sleeve, and conversion body lower end is connected with connecting cavity, and connecting cavity lower end connects
Connect lower contact 37, lower contact interior lower end connection inner pipe joint 38, said inner tube upper end of joint connection excessively stream chamber, the excessively stream chamber
Upper end connects central canal, and central canal lower end inner wall arranges inner carrier 26, arranges and close set 30 between the conversion body and central canal,
The set lower end of closing is connected with union joint 32, and union joint is connected on central canal 4, and the inner carrier is connected to by pin 31
On union joint, the excessively stream exocoel lower end is communicated to conversion body upper end, and inner carrier upper end inwall opens up inner conical surface, has been located
Steel ball, said inner tube inner nosepiece wall are also provided with inner conical surface, have also been located steel ball 39.The central canal, closing set, conversion body are simultaneously
The radial direction through hole being connected is opened up, the inner carrier temporarily blocks the above-mentioned radial direction through hole of central canal, inside the excessively stream chamber 34
Center tube cavity is communicated to, inside ft connection to connecting cavity, 30 temporarily closure of the closing set is in connecting cavity and changes internal
Between chamber.
4 screwed connection of top connection 1 and central canal, piston 5 be placed on top connection 1, central canal 4 composition inner chamber in, it is inside and outside
End face and top connection 1,5 contact surface of piston are coordinated by the sealing of sealing ring 2,3, and left-hand thread 4-1, and excessively stream are designed with central canal 4
9 left-hand thread of exocoel connects.Upper press ring 6, lock ring covers 8 screwed connections, and lock ring 7 is placed in the space between upper press ring 6, lock ring set 8,
Lock ring 7 and the connection of 9 gingival cyst of mucous gland in the newborn button of excessively stream exocoel, can enter and can not move back, and lock ring set 8 and upper cone 12 are connected using pin 10, sealing shroud
11 are enclosed within upper cone 12, are placed between lock ring set 8 and upper cone 12.Slips 15 is placed on 14 inner chamber of slip sleeve, slip sleeve
12 screwed connection of 14 upper ends and upper cone, 16 screwed connection of lower end and lower cone, solution 18 outer upper end of big envelope and 16 screw thread of lower cone
Connection, 19 screwed connection of outer lower end and regulation ring, interior upper end pin 17 and excessively stream exocoel 9 connect interior lower end and leather cup covers 21
Button connection, leather cup support 20, leather cup 22, top cover 23 are enclosed within leather cup set 21 from top to bottom, and top regulation ring 19 is withstood, bottom connection
Set 24 withstands, and adapter sleeve 24 and leather cup cover 21 screwed connections, can be by 19 screw thread adjusting elasticity of regulation ring, 25 upper end of conversion body
With 24 screwed connection of adapter sleeve, 33 screwed connection of lower end and connecting cavity, symmetrical two filling eyelet on conversion body 25, is provided with, and
It is centrally disposed on pipe 4, inner surface and central canal 4,30 sealing of closing set coordinate, and 33 lower end of connecting cavity and 37 screw thread of lower contact connect
Connect, close set 30 be placed on conversion body 25, connecting cavity 33, lower contact 37, central canal 4, excessively stream chamber 34 composition inner chamber in, be enclosed within
On central canal 4, and contact face seal is kept to coordinate with central canal 4, conversion body 25.Union joint 32 and 4 lower end screw thread of central canal connect
Connect, inner carrier 26 is centrally disposed in pipe 4, the symmetrical eyelet opened on closing center's pipe 4, and keep contact surface close with central canal 4
Envelope, inner carrier 26 and union joint 32 connect by pin 31.26 screwed connection of 34 upper end of excessively stream chamber and inner carrier, lower end and inner tube connect
38 screwed connections, steel ball 39 are placed on 38 inner chamber of inner pipe joint, and the control steel ball 39 of excessively stream chamber 34 is up, 38 lower end of inner pipe joint
Screw thread is left, and washing pipe connects to form filling inner tube.
During construction, instrument connects tubing string according to design, and tool lower portion forms inside and outside two-layer tubing string, and running string is to design position
Put, install well head and pipeline and connect ground filling equipment.From oil pipe put into steel ball, after steel ball in place after, suppress in oil pipe,
12-15MPa, piston 5 is descending to promote upper press ring 6, lock ring 7, lock ring set 8, excessively stream exocoel 9, pin 10, sealing shroud 11, upper cone
12 motions, as lower cone 16 is static, till slips 15 is pressed out to occlusion casing wall, pin 10 is cut off thereafter, compresses close
11 sealing sleeve pipe inwall of big envelope, it is setting to complete.Continue to suppress to 18-20MPa, pin 31 is cut off, 26 company of coming downwards to of inner carrier
At joint 32, now the filling eyelet on central canal 4 is opened, and ground pump pressure is reduced to zero, and filling passage is opened.During filling, mortar
4 inner chamber of central canal is entered by oil pipe, and eyelet entering tool is filled with lower tubular column and sleeve pipe group by central canal 4, conversion body 25
Into annular space, leather cup 22 prevents high pressure mortar up；If now collar piping closing gate, mortar is clamp-oned stratum and realizes that extruding is filled
Fill out sand control；If collar piping gate is opened, mortar will be separated in annular space, and back-up sand stays in annular space, and liquid enters from well screen
Enter washing pipe, and the fluid course formed by central canal 4, excessively stream exocoel 9 bypasses sealing shroud 11,22 sealing member entering tool of leather cup
Oil jacket annular space above is discharged to ground, and liquid recycles to form circulation, realizes flow pack sand control.During well-flushing, flushing fluid passes through
Sleeve pipe is squeezed into, and enters 34 inner chamber of excessively stream chamber by the circular passage that central canal 4, excessively stream exocoel 9 are formed, as steel ball 39 blocks inner tube
38 passage of joint, is advanced into 4 inner chamber of central canal and top oil pipe on liquid stream, so as to the remaining mortar in oil pipe is carried to ground
Face, till import and export liquid is consistent, well-flushing is completed.When giving up, instrument is rotated forward, between left-hand thread 4-1 and excessively stream exocoel 9
Left-hand thread unclamp, geostatic pressure table suspending weight bust, show instrument top and the bottom disengage, give up and complete.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the scope of the claims of the present utility model, its
He all should all belong to the scope of the claims of the present utility model with the equivalence changes of patent spirit of the present utility model.
Claims (6)
1. a kind of thermal production well filling anti-sand instrument, it is characterised in that including central canal, excessively stream exocoel, sealing shroud, slip mechanism,
Leather cup, shifter, the excessively stream exocoel are enclosed within the outside of central canal, and the outer cavity outer wall of the excessively stream is cased with slip mechanism, the card
Sealing shroud is cased with the outside of watt mechanism upper end, slip mechanism lower end outside is cased with leather cup, the central canal and excessively stream exocoel lower end
Connect shifter simultaneously；When filling anti-sand, sealing shroud is rubber seal, and when follow-up steam injection, sealing shroud is lead sealing
Sealing member.
2. a kind of thermal production well filling anti-sand instrument according to claim 1, it is characterised in that the slip mechanism includes
Cone, slip sleeve, slips, lower cone, the slips are located between upper cone, lower cone, and the slips is set on slips two
Hold and be enclosed within upper cone, lower cone.
3. a kind of thermal production well filling anti-sand instrument according to claim 2, it is characterised in that the sealing shroud is enclosed within epicone
External wall, the sealing set upper side connect lock ring set, and the lock ring set upper side connects upper press ring, and the upper press ring and lock ring cover it
Between lock ring is set, the lock ring and the connection of excessively stream exocoel screw thread type, the central canal upper end connect top connection, and between the two
Plunger shaft is formed, piston is set in plunger shaft, the piston is separated into inner chamber and exocoel, the wherein company of opening up on piston plunger shaft
The through hole of logical inner chamber and exocoel, piston upper end inside and outside wall are sealed with central canal and top connection respectively, piston upper end
Plunger shaft be divided into epicoele, the central canal opens up the through hole for being communicated to epicoele, the excessively stream exocoel and above-mentioned inner space, institute
State piston to be connected on upper press ring, the lock ring set connects upper cone by pin.
4. a kind of thermal production well filling anti-sand instrument according to claim 2, it is characterised in that the leather cup is enclosed within lower cone
Outer wall, leather cup upper end arrange leather cup support, and leather cup support upper end connects regulation ring simultaneously and conciliates big envelope, and the solution big envelope is connected by pin
Connect lower cone.
5. a kind of thermal production well filling anti-sand instrument according to claim 1, it is characterised in that the shifter includes turning
Change body, inner carrier, close set, union joint, connecting cavity, excessively stream chamber, the excessively stream exocoel lower end connects conversion body by adapter sleeve,
Conversion body lower end is connected with connecting cavity, the connection lower contact of connecting cavity lower end, and lower contact interior lower end connection inner pipe joint is described interior
Pipe joint upper end connection excessively stream chamber, excessively stream chamber upper end connection central canal, central canal lower end inner wall setting inner carrier, described turn
Change and close set, the set lower end of closing is connected with union joint, and union joint is connected on central canal, institute
State inner carrier to be connected on union joint by pin, the excessively stream exocoel lower end is communicated to conversion body upper end, on the inner carrier
End inwall opens up inner conical surface, has been located steel ball, and said inner tube inner nosepiece wall is also provided with inner conical surface, has also been located steel ball.
6. a kind of thermal production well filling anti-sand instrument according to claim 5, it is characterised in that the central canal, close set,
Conversion body opens up the radial direction through hole being connected simultaneously, and the inner carrier temporarily blocks the above-mentioned radial direction through hole of central canal, the mistake
Stream intracavity portion is communicated to center tube cavity, inside ft connection to connecting cavity, described to close set temporarily closure in connecting cavity and turn
Change between intracoelomic cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054212.9U CN206053914U (en) | 2016-09-13 | 2016-09-13 | A kind of thermal production well filling anti-sand instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054212.9U CN206053914U (en) | 2016-09-13 | 2016-09-13 | A kind of thermal production well filling anti-sand instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206053914U true CN206053914U (en) | 2017-03-29 |
Family
ID=58371245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621054212.9U Active CN206053914U (en) | 2016-09-13 | 2016-09-13 | A kind of thermal production well filling anti-sand instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206053914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139099A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of filling, sand control, steam injection integrated apparatus and its operational method |
| CN114482891A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Friction setting sand prevention pipe column, friction setting packer and method |
-
2016
- 2016-09-13 CN CN201621054212.9U patent/CN206053914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139099A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of filling, sand control, steam injection integrated apparatus and its operational method |
| CN109139099B (en) * | 2017-06-27 | 2023-08-04 | 中国石油化工股份有限公司 | Filling, sand prevention and steam injection integrated device and operation method thereof |
| CN114482891A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Friction setting sand prevention pipe column, friction setting packer and method |
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