CN206016786U - Steam soak snubbing serving gas filling device - Google Patents

Steam soak snubbing serving gas filling device Download PDF

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Publication number
CN206016786U
CN206016786U CN201620935152.5U CN201620935152U CN206016786U CN 206016786 U CN206016786 U CN 206016786U CN 201620935152 U CN201620935152 U CN 201620935152U CN 206016786 U CN206016786 U CN 206016786U
Authority
CN
China
Prior art keywords
inner tube
ring
filling device
gas filling
steam soak
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.)
Withdrawn - After Issue
Application number
CN201620935152.5U
Other languages
Chinese (zh)
Inventor
麻德玉
宋菲菲
王丽莉
张晓文
安岩
李楠
史策
刘双亮
戴双宁
毛智禄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201620935152.5U priority Critical patent/CN206016786U/en
Application granted granted Critical
Publication of CN206016786U publication Critical patent/CN206016786U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

This utility model provides a kind of steam soak snubbing serving gas filling device, and the device includes:The main body of tubulose, is arranged in the housing;The main body of the tubulose includes:Inner tube, the outer tube being located on the outside of said inner tube, through the through hole between said inner tube and outer tube and the multiple jacks between said inner tube and outer tube, the through hole extends along the radial direction of said inner tube, and the jack extends along the axial direction of said inner tube;Ring-type plate, is arranged in each jack along the axial direction of said inner tube is mobile, and the two ends of the jack is stretched out at the two ends of the ring-type plate respectively;The multiple ring-type plates are provided with multiple jacks altogether;Block, is connected to the bottom of multiple ring-type plates, and the lower section positioned at the jack.This utility model does not need kill-job operation, you can completes down-hole plugging, will not lose the more thermal efficiency.

Description

Steam soak snubbing serving gas filling device
Technical field
This utility model is related to field of oilfield exploitation, belongs to closure field in the pipe of high temperature snubbing serving, and in particular to Heavy oil wells cyclic steam stimulation, especially a kind of steam soak snubbing serving gas filling device.
Background technology
When heavy oil wells carry out cyclic steam stimulation at present, after a wheel of handling up, before carrying out oil producing operation, due to the high temperature of steam High pressure is acted on, and is made well cylinder pressure too high, is generally required kill-job operation, but can lose the more thermal efficiency after kill-job.
In sum, there is problems with prior art:When heavy oil wells carry out cyclic steam stimulation, kill-job operation can be damaged Lose the more thermal efficiency.
Utility model content
This utility model provides a kind of steam soak snubbing serving gas filling device, with solve kill-job operation can lose more The thermal efficiency problem.
For this purpose, the utility model proposes a kind of steam soak snubbing serving gas filling device, the steam soak no killing well Operation gas filling device includes:
Shell;
The main body of tubulose, is arranged in the housing;
The main body of the tubulose includes:Inner tube, be located at said inner tube on the outside of outer tube, run through between said inner tube and outer tube Through hole and the multiple jacks between said inner tube and outer tube, the through hole along said inner tube radial direction extend, The jack extends along the axial direction of said inner tube, also, the through hole and the jack are in the radial section of said inner tube Above mutually do not connect;
Ring-type plate, is arranged in each jack along the axial direction of said inner tube is mobile, and the ring-type is inserted The two ends of the jack are stretched out respectively in the two ends of plate;The multiple ring-type plates are provided with multiple jacks altogether;
Block, is connected to the bottom of multiple ring-type plates, and the lower section positioned at the jack;
Percussive cap, is connected to the top of each ring-type plate;
Plug, blocks the top of the inner chamber in said inner tube, and the plug stretches out the top of said inner tube;
Shear pin, is connected between the plug and the ring-type plate;
Spring, is pushed against the bottom of the plug and is located within said inner tube;
Spring base, is pushed against the bottom of the spring and is located within said inner tube;
Ball sealer, is arranged on below the spring base, pushes against the spring base and is located within said inner tube;
Seal receptacle, on the inwall of said inner tube, positioned at the lower section of the ball sealer, spacing to the ball sealer; The ball sealer is sealed to the seal receptacle in stroke end;
Clamping sleeve, is connected on the inwall of said inner tube, and fastens the seal receptacle;
Heading pipe, within said inner tube, and is located under ball sealer, supports the ball sealer;
First fluting, is arranged on the side wall of the heading pipe;
Second perforate, is arranged on the clamping sleeve;
Lock ball, is arranged in the cavity that the first fluting and the second perforate are formed;
The block has the locked position of the second perforate of closure, and the released position for exposing the second perforate;The top of block There is between end and the bottom of inner tube clearance space;In released position, the lock ball is located in the clearance space.
Further, the shell includes top connection, sand control overcoat and the lower contact for connecting from top to bottom successively, described anti- Put outside sand and be provided with fluid flow passageway.
Further, the steam soak snubbing serving gas filling device also includes:
Packing, on the inwall of said inner tube, and is located under the seal receptacle;
Clamping sleeve, is connected on the inwall of said inner tube, and is located under the packing;The clamping sleeve is by fastening institute Packing is stated, the seal receptacle is fastened.
Further, the packing is graphite packing.
Further, the number of the jack is 3,3 jack being arranged circumferentially along said inner tube.
Further, on the radial section of said inner tube, the number of the through hole is 3, and adjacent two are described slotting Hole is separated by the through hole.
Further, the steam soak snubbing serving gas filling device also includes:Retaining ring, is set in the top of ring-type plate End.
Further, the percussive cap is threadedly attached in the top of each ring-type plate and is located at each ring-type Within plate.
Further, bore of the bore of the ball sealer more than the lock ball.
Further, the main body of the tubulose is threadedly coupled with top connection and lower contact respectively.
During steam injection:Bottom of the cage connection to steam injection string, connects root tail pipe in the bottom of shell, reconnects plug.Complete Normal steam injection after well, steam are entered by oil pipe, by circular passage of the inside of shell in the main body of tubulose (inner tube Inner chamber), then the inner chamber through overhead pipe and the first perforate, the side path (through hole) in the main body of tubulose is flowed through, then through outer Shell (sand control overcoat) enters stratum.
During startup:When steam has been noted, when having needed steam injection string, input is special to be increased to clash into rod or sucker rod, clashes into Percussive cap drives ring-type plate (also referred to as split body) to move down, when ring-type plate (also referred to as split body) moves to certain position When, lock ball is deviate from and is moved down in the elastic force and action of gravity lower band flexible spring seat of spring, ball sealer, heading pipe, at this moment seals Stifled ball is supported without heading pipe, is fallen on 12 seal receptacles, and underground steam or liquid are entered by shell (sand control overcoat), through tubulose Side path (through hole) in main body enters the inner chamber of the main body of tubulose, in spring, gravity and steam or the work of fluid pressure With under, make ball sealer closely fall on seal receptacle, underground steam or liquid is passed through, complete down-hole plugging.
This utility model does not need kill-job operation, you can completes down-hole plugging, will not lose the more thermal efficiency.This practicality Novel operating is simple.Input sucker rod increases to clash into the i.e. achievable action of rod.This utility model is multiple functional.There is steam injection Function has closure function again.This utility model is safe and reliable.Using high temperature spring, zirconia ball and ball seat cooperation, and gravity Combine with pressure, sealing is more reliable to ensure that safety.
Description of the drawings
Fig. 1 is the overall structure diagram of steam soak snubbing serving gas filling device of the present utility model;
Fig. 2 is A-A sectional structures in Fig. 1;
Fig. 3 is the structure for amplifying in Fig. 1 at B-B;
Fig. 4 is the structure for amplifying in Fig. 1 at C-C;
Fig. 5 is the structure for amplifying in Fig. 1 at D-D;
Fig. 6 shows the mounting structure schematic diagram of clamping sleeve and heading pipe.
Drawing reference numeral explanation:
1 top connection, 2 retaining rings, 3 percussive caps, 4 ring-type plates (split body), 5 shear pins, 6 plugs, the main body of 7 tubuloses, 8 Spring, 9 spring bases, 10 sand control overcoats, 11 ball sealers, 12 seal receptacles, 13 packings, 14 clamping sleeves, 15 lock balls, 16 heading pipe, 17 lower contacts
41 block, 134 clearance space, 141 second perforate, 161 first perforate 163 first is slotted
The inner chamber of 71 inner tube, 73 outer tube, 75 through hole, 77 jack, 79 inner tube
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated This utility model.
As shown in figure 1, steam soak snubbing serving gas filling device includes:
Shell, shell are tubulose, and the side wall of shell is provided with fluid flow passageway, to realize the turnover of steam injection or liquid;
The main body 7 of tubulose, is arranged in the housing;
As shown in Fig. 2 the main body 7 of the tubulose includes:Inner tube 71, be located at said inner tube on the outside of outer tube 73, run through institute State the through hole 75 between inner tube and outer tube and the multiple jacks 77 between said inner tube and outer tube, 75 edge of the through hole The radial direction of said inner tube 7 extends, and connects the fluid flow passageway on the inner chamber 79 and shell of inner tube, and the jack 77 is along institute The axial direction for stating inner tube extends, also, the through hole 75 is not mutually connected on the radial section of said inner tube with the jack 77 Logical;
Ring-type plate 4 (also referred to as split body), is arranged on each jack 77 along the axial direction of said inner tube is mobile In, and the two ends of the jack 77 are stretched out at the two ends of the ring-type plate 4 respectively;It is provided with multiple jacks 77 altogether multiple The ring-type plate 4;The Main Function of ring-type plate 4 is transmission impact force, drives following associated components movement, exposes or seal The passage of stifled fluid turnover, but due to the narrow space in down-hole, using ring-type plate 4, this utility model can realize that down-hole is sealed Stifled special requirement;
Block 41, is connected to the bottom of multiple ring-type plates 4, and the lower section positioned at the jack 77, plays closure Effect;Block 41 can be made of one formula structure with ring-type plate 4, to install;
Percussive cap 2, is connected to the top of each ring-type plate 4, and to receive shock, protection ring-type plate 4, in addition, also The internal cavity of multiple ring-type plates 4 is blocked, the effect of the inner chamber 79 for also functioning to block inner tube;
Plug 6, blocks the top of the inner chamber 79 in said inner tube, and the plug 6 stretches out the top of said inner tube 71, Inner chamber 79 from top sealed inner tube;
Shear pin 5, is connected between the plug 6 and the ring-type plate 4, plays a range of fastening and makees With outside this scope is exceeded, then being cut off, unclamped fastening to ring-type plate 4;
Spring 8, is pushed against the bottom of the plug 6 and is located within said inner tube 71, and spring 8 is high temperature spring, adopts High temperature resistant material is made;
Spring base 9, is pushed against the bottom of the spring 8 and is located within said inner tube, play a part of support spring;
Ball sealer 11, is spheroid, is arranged on below the spring base 9, pushes against the spring base 8 and is located at said inner tube 71 Within, play a part of closure;Ball sealer 11 is, for example, zirconia ball, being capable of high temperature high voltage resistant;
Seal receptacle 12, on the inwall of said inner tube 71, positioned at the lower section of the ball sealer, to the ball sealer 11 Spacing;The ball sealer is sealed to the seal receptacle 12 in stroke end, from the inner chamber 79 that lower seal lives inner tube, is closed The fluid flow passageway of inner tube;
Clamping sleeve 14, is connected on the inwall of said inner tube, and fastens the seal receptacle 12;
Heading pipe 16, within said inner tube, and is located under ball sealer, supports the ball sealer;
As shown in fig. 6,
First fluting 163, is arranged on the side wall of the heading pipe 16;
Second perforate 141, is arranged on the side wall of the clamping sleeve 14;
Lock ball 15, is arranged in the cavity that the first fluting 163 and the second perforate 141 are formed;
The block 41 has the locked position of the second perforate 141 of closure, and the released position for exposing the second perforate 141; There is between the top of block and the bottom of inner tube clearance space 134;As shown in Figure 5 and Figure 6, in locked position, lock ball 15 It is located in the cavity that the first fluting 163 and the second perforate 141 are formed;In released position, the first fluting 163 and second perforate 141 The cavity of formation is connected with clearance space 134, and the lock ball 15 is moved in the clearance space 134.
During steam injection:Bottom of the cage connection to steam injection string, connects root tail pipe in the bottom of shell, reconnects plug.Complete Normal steam injection after well, steam are entered by oil pipe, by circular passage of the inside of shell in the main body of tubulose (inner tube 79), then the inner chamber through overhead pipe and the first perforate flow through the side path (through hole) in the main body of tubulose, then pass through inner chamber Shell (sand control overcoat) enters stratum.
During startup:When steam has been noted, when having needed steam injection string, input is special to be increased to clash into rod or sucker rod, clashes into Percussive cap drives ring-type plate (also referred to as split body) to move down, when ring-type plate (also referred to as split body) moves to certain position When, lock ball is deviate from and is moved down in the elastic force and action of gravity lower band flexible spring seat of spring, ball sealer, heading pipe, at this moment seals Stifled ball is supported without heading pipe, is fallen on seal receptacle 12, and underground steam or liquid are entered by shell (sand control overcoat), through tubulose Side path (through hole) in main body enters the inner chamber of the main body of tubulose, in spring, gravity and steam or the work of fluid pressure With under, make ball sealer closely fall on seal receptacle, underground steam or liquid is passed through, complete down-hole plugging.
Further, the shell includes top connection 1, sand control overcoat 10 and the lower contact 17 for connecting from top to bottom successively, The sand control overcoat 10 is, for example, sand-proof pipe, which is provided with fluid flow passageway.Such split is arranged, and is easy to be vertically connected with, It is easily installed.
Further, as shown in figure 4, the steam soak snubbing serving gas filling device also includes:
Packing 13, on the inwall of said inner tube 71, and is located under the 12 of the seal receptacle;
Clamping sleeve 14, is connected on the inwall of said inner tube, and is located under the packing 13;The clamping sleeve 14 passes through The packing 13 is fastened, the seal receptacle 12 is fastened.So, while fit sealing seat, additionally it is possible to play the work of packing With.
Further, the packing 13 is graphite packing, with high temperature resistant, corrosion-resistant.
Further, as shown in Fig. 2 the number of the jack 77 is 3, circumference of 3 jacks along said inner tube It is evenly arranged.So, it is easy to make, is easy to the movement of each ring-type plate.
Further, on the radial section of said inner tube, the number of the through hole 75 is 3, described in adjacent two Jack 77 is separated by the through hole 75.So, radially and axially, inner tube can realize the control of flow of fluid respectively System, the two complementation are interfered.
Further, as shown in figure 3, the steam soak snubbing serving gas filling device also includes:Retaining ring 2, is set in The top of ring-type plate 4, plays a part of protection.
Further, the percussive cap 3 is threadedly attached in the top of each ring-type plate 4 and is located at each ring Within shape plate.So, easy for installation, and compact conformation.
Further, as shown in Figure 1 and Figure 5, bore of the bore of the ball sealer 11 more than the lock ball 15, with reality Now preferably block.
Further, the main body 7 of the tubulose is threadedly coupled with top connection 1 and lower contact 17 respectively, so easy to connect, Install rapid.
This utility model for example can be realized in the following way:
With 1 lower end of top connection for being threadedly coupled, lower end is to be threadedly coupled with lower contact 17, such as Fig. 5 institutes on the top of inner tube 71 Show that seal receptacle 12, packing 13 load from the lower end inner tube 71 of the main body 7 of tubing string, and by clamping sleeve 14 and the main body 7 of tubulose Threaded connection is compressed.As shown in fig. 6, heading pipe 16 is attached to inside clamping sleeve 14 and is connected by lock ball 15, lock ball 15 is by pressure 3 the second perforates 141 on tight set 14 are mounted in the circular arc (at the first fluting) of heading pipe 16, master of the ring-type plate 4 from tubulose Three jacks 77 of 7 lower end of body are inserted and are pressed in outside clamping sleeve 14.Ball sealer 11, spring base 9, spring 8, successively from tubulose The endoporus of 7 upper end of main body loads, and plug 6 is threadedly coupled with 7 upper end of main body of tubulose.Ring-type plate 4 by 5 shear pins with 6 plugs connect, and are fixed by retaining ring 2 outside 4 upper end of ring-type plate, and inner impact cap 3 is threaded connection.
During steam injection:Steam soak snubbing serving gas filling device of the present utility model is connected to the bottom of steam injection string, The bottom of steam soak snubbing serving gas filling device connects root tail pipe, reconnects plug.Normal steam injection after completion, steam pass through Oil pipe is entered, and by circular passage of the top connection 1 in the main body 7 of tubulose, then flows through pipe through lower contact 17, heading pipe 16 Side path in the main body 7 of shape, then stratum is entered through sand control overcoat 10.
During startup:When steam has been noted, when having needed steam injection string, input is special to be increased to clash into rod or sucker rod, clashes into Percussive cap 3 drives retaining ring 2, ring-type plate 4 to move down, and when certain position is moved to, lock ball 15 is deviate from, in spring 8 Elastic force and action of gravity lower band flexible spring seat 9, ball sealer 11, heading pipe 16 are moved down, and at this moment ball sealer 11 is without 16 heading pipes Support, fall on seal receptacle 12, underground steam or liquid are entered by sand control overcoat 10, lateral logical in the main body 7 of tubulose Road (through hole 75) enters the inner chamber of the main body 7 of tubulose, in the presence of spring 8, gravity and steam or fluid pressure makes closure Ball 11 closely falls on seal receptacle 12, underground steam or liquid is passed through, completes down-hole plugging.
This utility model does not need kill-job operation, you can completes down-hole plugging, will not lose the more thermal efficiency.This practicality Novel operating is simple.Input sucker rod increases to clash into the i.e. achievable action of rod.This utility model is multiple functional.There is steam injection Function has closure function again.This utility model is safe and reliable.Using high temperature spring, zirconia ball and ball seat cooperation, and gravity Combine with pressure, sealing is more reliable to ensure that safety.
The schematic specific embodiment of this utility model is the foregoing is only, model of the present utility model is not limited to Enclose.Can be mutually combined under conditions of not conflicting for each ingredient of the present utility model, any those skilled in the art, Done equivalent variations and modification on the premise of without departing from design of the present utility model and principle, all should belong to this practicality new The scope of type protection.

Claims (10)

1. a kind of steam soak snubbing serving gas filling device, it is characterised in that the steam soak snubbing serving steam injection dress Put including:
Shell;
The main body of tubulose, is arranged in the housing;
The main body of the tubulose includes:Inner tube, the outer tube being located on the outside of said inner tube, through logical between said inner tube and outer tube Hole and the multiple jacks between said inner tube and outer tube, the through hole extend along the radial direction of said inner tube, described Jack extends along the axial direction of said inner tube, also, the through hole is mutual on the radial section of said inner tube with the jack Do not connect;
Ring-type plate, is arranged in each jack along the axial direction of said inner tube is mobile, and the ring-type plate The two ends of the jack are stretched out respectively in two ends;The multiple ring-type plates are provided with multiple jacks altogether;
Block, is connected to the bottom of multiple ring-type plates, and the lower section positioned at the jack;
Percussive cap, is connected to the top of each ring-type plate;
Plug, blocks the top of the inner chamber in said inner tube, and the plug stretches out the top of said inner tube;
Shear pin, is connected between the plug and the ring-type plate;
Spring, is pushed against the bottom of the plug and is located within said inner tube;
Spring base, is pushed against the bottom of the spring and is located within said inner tube;
Ball sealer, is arranged on below the spring base, pushes against the spring base and is located within said inner tube;
Seal receptacle, on the inwall of said inner tube, positioned at the lower section of the ball sealer, spacing to the ball sealer;Described Ball sealer is sealed to the seal receptacle in stroke end;
Clamping sleeve, is connected on the inwall of said inner tube, and fastens the seal receptacle;
Heading pipe, within said inner tube, and is located under ball sealer, supports the ball sealer, and;
First perforate, through described heading pipe side wall and connect described heading pipe inner chamber;
First fluting, is arranged on the side wall of the heading pipe;
Second perforate, is arranged on the clamping sleeve;
Lock ball, is arranged in the cavity that the first fluting and the second perforate are formed;
The block has the locked position of the second perforate of closure, and the released position for exposing the second perforate;The top of block with There is between the bottom of inner tube clearance space;In released position, the lock ball is located in the clearance space.
2. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the shell is included successively Top connection, sand control overcoat and the lower contact for connecting from top to bottom, puts outside the sand control and is provided with fluid flow passageway.
3. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the steam soak is not pressed Well operations gas filling device also includes:
Packing, on the inwall of said inner tube, and is located under the seal receptacle;
Clamping sleeve, is connected on the inwall of said inner tube, and is located under the packing;The clamping sleeve is by fastening the disk Root, the seal receptacle is fastened.
4. steam soak snubbing serving gas filling device as claimed in claim 3, it is characterised in that the packing is graphite plate Root.
5. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the number of the jack is 3,3 jack being arranged circumferentially along said inner tube.
6. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that in the radial direction of said inner tube On section, the number of the through hole is 3, and two adjacent jacks are separated by the through hole.
7. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the steam soak is not pressed Well operations gas filling device also includes:Retaining ring, is set in the top of ring-type plate.
8. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the percussive cap passes through spiral shell Stricture of vagina is connected to the top of each ring-type plate and is located within each ring-type plate.
9. steam soak snubbing serving gas filling device as claimed in claim 1, it is characterised in that the bore of the ball sealer Bore more than the lock ball.
10. steam soak snubbing serving gas filling device as claimed in claim 2, it is characterised in that the main body of the tubulose It is threadedly coupled with top connection and lower contact respectively.
CN201620935152.5U 2016-08-24 2016-08-24 Steam soak snubbing serving gas filling device Withdrawn - After Issue CN206016786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620935152.5U CN206016786U (en) 2016-08-24 2016-08-24 Steam soak snubbing serving gas filling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620935152.5U CN206016786U (en) 2016-08-24 2016-08-24 Steam soak snubbing serving gas filling device

Publications (1)

Publication Number Publication Date
CN206016786U true CN206016786U (en) 2017-03-15

Family

ID=58251081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620935152.5U Withdrawn - After Issue CN206016786U (en) 2016-08-24 2016-08-24 Steam soak snubbing serving gas filling device

Country Status (1)

Country Link
CN (1) CN206016786U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106223914A (en) * 2016-08-24 2016-12-14 中国石油天然气股份有限公司 Steam soak snubbing serving gas filling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106223914A (en) * 2016-08-24 2016-12-14 中国石油天然气股份有限公司 Steam soak snubbing serving gas filling device
CN106223914B (en) * 2016-08-24 2019-01-18 中国石油天然气股份有限公司 Steam soak snubbing serving gas filling device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170315

Effective date of abandoning: 20190118