CN204782909U - A tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column - Google Patents
A tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column Download PDFInfo
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- CN204782909U CN204782909U CN201520358519.7U CN201520358519U CN204782909U CN 204782909 U CN204782909 U CN 204782909U CN 201520358519 U CN201520358519 U CN 201520358519U CN 204782909 U CN204782909 U CN 204782909U
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Abstract
The utility model discloses a tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column belongs to the operation field of adopting of annotating. Top connection, connecting cylinder and the lower clutch that from the top down set gradually is drawn together to this umbrella formula seat sealing ball stationary ladle, is provided with umbrella formula elastic sealing device in the cavity of lower clutch and connecting cylinder, and when the seat sealed, this umbrella formula elastic sealing device was in the state that tightens up, after sitting a completion, this umbrella formula elastic sealing device is in the state that opens. The utility model discloses a to the design of umbrella formula seat sealing ball seat, realized annotating and adopted the tubular column and do not have to throw to drag for to sit and seal a packer, have to make to annotate and adopt the tubular column and sit simple and convenient, swift, safe, the reliable characteristics of sealing, both the construction cycle is reduced has reduceed construction cost's effect again.
Description
Technical field
The utility model relates to note and adopts field of operation, particularly for umbrella-type setting ball seat and the injection-production column jacket of injection-production column jacket.
Background technology
Comparatively general with some developed country's construction of storage of Europe in North America at present, the gas storage well of these countries is shallow, formation temperature, pressure are not high yet, and the injection-production technical tubing string of employing is generally furnished with storm valve, circulation slide sleeve, packer, is located the downhole tools such as joint.And China's construction of storage is at the early-stage, due to the restriction by gas storage addressing, the reservoir of some gas storages is comparatively dark at present, and reservoir temperature, pressure are also higher, and most of injection-production well needs directed completion simultaneously, adopts operation bring great difficulty to gas storage note.
In the operation of conventional gas storage injection-production technical tubing string, need to deliver blanking plug with steel wire carry out setting construction, and more domestic gas storages are deep-well, high angle hole, adopt steel wire to deliver blanking plug set packer difficulty comparatively large, sometimes also there will be choking phenomenon or blocked portion accident.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
(1) because wire Launching and Bailing operation requires higher to tubing string inwall, the situation such as fouling, impurity must not be had;
(2) for gradient, deep-well, because of intensity of steel wire and the hole deviation steel wire friction problem such as stressed, existing work
Normal wire Launching and Bailing operation cannot be ensured under industry condition;
(3) common pitching setting ball seat is to the serious undergauge of injection-production column jacket passage.
Therefore, necessaryly a kind of umbrella-type setting ball seat for injection-production column jacket and injection-production column jacket is provided.
Utility model content
In order to solve at least one aspect of the above-mentioned problems in the prior art and defect, the utility model provides a kind of umbrella-type setting ball seat for injection-production column jacket and injection-production column jacket.Described technical scheme is as follows:
An object of the present utility model there is provided a kind of umbrella-type setting ball seat for injection-production column jacket;
Another object of the present utility model is to provide a kind of injection-production column jacket.
According to an aspect of the present utility model, provide a kind of umbrella-type setting ball seat for injection-production column jacket, this umbrella-type setting ball seat comprise set gradually from top to bottom top connection, connecting cylinder and lower contact, umbrella-type elastic sealing device is provided with in the cavity of lower contact and connecting cylinder, when setting, described umbrella-type elastic sealing device is in the state of tightening up; After having set, described umbrella-type elastic sealing device has been in open configuration.
Particularly, described umbrella-type setting ball seat also comprises:
Non-return insertion tube, described non-return insertion tube is arranged between the inner chamber middle part of described connecting cylinder and the lower end of described top connection;
Spring, described spring is arranged between radially annular protrusion outwardly in described non-return insertion tube and the lower end of described top connection;
End part seal, described end part seal is arranged on the top of described umbrella-type elastic sealing device, contacting with the lower end surface of described non-return insertion tube above of described end part seal, and the side of described end part seal contacts with the shoulder in the middle of described connecting cylinder;
Wherein said umbrella-type elastic sealing device is arranged between radially inwardly outstanding annular shoulder in described lower contact and the lower end of described non-return insertion tube, and the top of described umbrella-type elastic sealing device is adjacent with the shoulder in the middle of described connecting cylinder.
Further, described umbrella-type elastic sealing device comprises umbrella-type elastic packing pawl and is arranged on the annular element of lower end of described umbrella-type elastic packing pawl, and described annular element is fixedly connected with the lower end of described umbrella-type elastic packing pawl.
Further, on the annular shoulder of described lower contact and the arranged outside being close to described annular element has shearing ring seat, described shearing ring seat and described annular element are fixedly connected with by surely carrying shear pin.
Particularly, described umbrella-type elastic packing pawl is provided with multiple jaw, the end of described multiple jaw is provided with sulfuration and is connected to multiple described end part seal in described multiple jaw,
When setting, described in set the channel seal cross section that steel ball, end part seal and connecting cylinder form gas storage injection-production column jacket.
Further, when setting, described in set steel ball and be placed on end part seal;
After having set, by improving the pressure of the hydraulic pressure pumped in described injection-production column jacket, cut off and describedly surely carry shear pin, open configuration is in the cavity that described umbrella-type elastic packing pawl drops into described connecting cylinder downwards, fall into well by the described steel ball that sets through described umbrella-type elastic packing pawl, described umbrella-type setting ball seat reverts to has interior latus rectum.
Further, described umbrella-type setting ball seat also comprise match with described umbrella-type setting ball seat set steel ball for what set without wire Launching and Bailing.
Further, the described upper and lower two ends of umbrella-type setting ball seat are provided with tubing round thread, and the upper and lower two ends of described umbrella-type elastic packing pawl are connected with described oil pipe respectively by described tubing round thread, and described connecting cylinder is threaded connection with described top connection and lower contact respectively.
Further, be tightly connected respectively by sealing ring between described top connection and described connecting cylinder and between described connecting cylinder and lower contact.
According to another object of the present utility model, provide a kind of injection-production column jacket, described injection-production column jacket comprises the tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger and the oil pipe four-way that set gradually from top to bottom, described tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger are connected to each other by oil pipe between any two, described tubing hanger is suspended on described oil pipe four-way, wherein
Described seating and sealing unit is set to the umbrella-type setting ball seat according to any one of claim 1-9 for setting without wire Launching and Bailing.
The beneficial effect of the technical scheme that the utility model provides is: fully combine common pitching setting ball seat feature easy and simple to handle for the umbrella-type setting ball seat of injection-production column jacket and injection-production column jacket, devise umbrella-type pawl simultaneously, after packer setting, umbrella-type pawl is opened, maintain latus rectum in gas storage injection-production column jacket not reduce, undergauge phenomenon can not be produced.The mode realizing injection-production column jacket packer setting for the umbrella-type setting ball seat of injection-production column jacket and injection-production column jacket sets mode without wire Launching and Bailing, this sets mode without wire Launching and Bailing and need not remove steel wire and carry out operation, has and makes gas storage injection-production column jacket set easy, quick, safe and reliable feature.Both shorten construction period, reduce construction cost again.The utility model is that existing gas storage well injection-production technical tubing string adds one and newly sets mode, for the construction of gas storage well provides safety guarantee.
Accompanying drawing explanation
Fig. 1 is the structural representation of the umbrella-type setting ball seat for injection-production column jacket according to an embodiment of the present utility model;
Fig. 2 a is the structural representation that the umbrella-type elastic sealing device being provided with end part seal in the umbrella-type setting ball seat shown in Fig. 1 is in when tightening up state;
Fig. 2 b is the top view of the end part seal shown in Fig. 2 a;
Fig. 2 c is the structural representation of the umbrella-type elastic sealing device being provided with end part seal in the umbrella-type setting ball seat shown in Fig. 1 when being in open configuration;
Fig. 2 d is the top view of the end part seal shown in Fig. 2 c;
Fig. 3 is the structural representation of the injection-production column jacket adopting the umbrella-type elastic sealing device shown in Fig. 1.
Wherein, 100 umbrella-type setting ball seats, seating and sealing unit, 10 top connections, 11 stop parts, 12 tubing round thread, 20 connecting cylinders, 21 shoulders, 30 lower contacts, 31 annular shoulders, 40 umbrella-type elastic sealing devices, 41 umbrella-type elastic packing pawls, 411 jaw, 42 annular elements, 50 non-return insertion tubes, 51 annular protrusion, 60 springs, 70 end part seals, 80 shear ring seat, 90 sealing rings, 110 set steel ball, 120 carry shear pin surely, 200 injection-production column jackets, 210 tubing shoes, 230 packers, 240 sliding sleeves, 250 storm valves, 260 tubing hangers, 270 oil pipe four-ways, 280 oil pipes.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1, it illustrates the umbrella-type setting ball seat 100 according to an embodiment of the present utility model.This umbrella-type setting ball seat 100 comprise set gradually from top to bottom top connection 10, connecting cylinder 20 and lower contact 30, in the cavity of lower contact 30 and connecting cylinder 20, be provided with umbrella-type elastic sealing device 40.When setting, umbrella-type elastic sealing device 40 is in the state of tightening up (as shown in Figure 2 a and 2 b); After having set, described umbrella-type elastic sealing device 40 has been in open configuration (as shown in Fig. 2 c and Fig. 2 d).
Specifically see Fig. 1, connecting cylinder 20 is threaded connection with top connection 10 and lower contact 30 respectively, and the sealing ring 90 be respectively arranged with between top connection 10 and connecting cylinder 20 and between lower contact 30 and connecting cylinder 20 for being tightly connected, top connection 10 thus, between connecting cylinder 20 and lower contact 30, define the cavity of connecting cylinder 20.
The two ends up and down of umbrella-type setting ball seat 100 are provided with tubing round thread 12, namely tubing round thread 12 is respectively arranged with in the upper end of top connection 10 with in the lower end of lower contact 30, the upper end of the top connection 10 in umbrella-type setting ball seat 100 is connected by tubing round thread 12 one end with oil pipe (not shown), the other end of this oil pipe (not shown) is connected with packer (not shown), the lower end of the lower contact 30 in umbrella-type setting ball seat 100 is connected by tubing round thread 12 one end with another oil pipe (not shown), the other end of this oil pipe (not shown) is connected with tubing shoe (not shown), such umbrella-type setting ball seat 100 communicates with each other up and down with packer and tubing shoe, the cavity of connecting cylinder 20 is also communicated with each other up and down with packer and tubing shoe.
As shown in Figure 1, umbrella-type setting ball seat 100 also comprises and sets steel ball 110, non-return insertion tube 50, spring 60 and end part seal 70.Set steel ball 110 to match with umbrella-type setting ball seat 100, set without steel wire launch-work for injection-production column jacket (not shown).Non-return insertion tube 50 is arranged between the inner chamber middle part of connecting cylinder 20 and the lower end of top connection 10.Radially outstanding annular protrusion 51 is had in the arranged outside of non-return insertion tube 50.Spring 60 is provided with between annular protrusion 51 and the lower end of top connection 10, namely spring 60 is arranged in the remaining space between connecting cylinder 20 top and non-return insertion tube 50, can move down after packer (not shown) has set for promoting non-return insertion tube 50.
The upper end of non-return insertion tube 50 contacts with the stop part 11 of radially inwardly outstanding in top connection 10 inner chamber, the lower end of non-return insertion tube 50 and contacting above of end part seal 70, can prevent from like this setting and test before envelope completes at packer (not shown), non-return insertion tube 50 is mobile in umbrella-type setting ball seat 100.
Refer again to Fig. 1, umbrella-type elastic sealing device 40 is arranged between radially inwardly outstanding annular shoulder 31 in lower contact 30 and the lower end of non-return insertion tube 50, and the top of umbrella-type elastic sealing device 40 is adjacent with the shoulder 21 in the middle of connecting cylinder 20.End part seal 70 is arranged on the top of umbrella-type elastic sealing device 40, contacting with the lower end surface of non-return insertion tube 50 above of end part seal 70, and the side of end part seal 70 contacts with the shoulder in the middle of connecting cylinder 20.
In an embodiment of the present utility model, umbrella-type elastic sealing device 40 comprises umbrella-type elastic packing pawl 41 and is arranged on the annular element 42 of lower end of umbrella-type elastic packing pawl 41, and annular element 42 is fixedly connected with the lower end of umbrella-type elastic packing pawl 41.Such as umbrella-type elastic packing pawl 41 can be welded to one another with annular element 42 and be connected, and also can be fixed by screw, and umbrella-type elastic packing pawl 41 and annular element 42 can also be made one-body molded.Certainly, those skilled in the art can also adopt other method of attachment to substitute, and are fixedly connected with annular element as long as can realize umbrella-type elastic packing pawl.Certainly, it will be appreciated by those skilled in the art that this example only as to a kind of exemplary illustration of the present utility model, can not be interpreted as one restriction of the present utility model.
As shown in Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d, in another embodiment of the present utility model, umbrella-type elastic packing pawl 41 is provided with multiple jaw 411, and each sulfuration in multiple jaw 411 has end part seal 70.Because the top of umbrella-type elastic sealing device 40 is adjacent with the shoulder 21 in the middle of connecting cylinder 20, namely the top of umbrella-type elastic packing pawl 41 is adjacent with the shoulder 21 in the middle of connecting cylinder 20, therefore make the upper end of umbrella-type elastic packing pawl 41 be retrained by shoulder 21, thus umbrella-type elastic packing pawl 41 is in the state of tightening up (as shown in Figure 2 a and 2 b) all the time before packer (not shown) has set.And umbrella-type elastic packing pawl 41 be in tighten up state time, make multiple end part seals 70 close proximity each other, define ring port in the end of umbrella-type elastic packing pawl 41.When setting steel ball 110 and being placed on this ring port, set the channel seal cross section that steel ball 110, end part seal 70 and connecting cylinder 20 form injection-production column jacket (not shown).
Refer again to Fig. 1, on the annular shoulder 31 of lower contact 30 and the arranged outside of next-door neighbour's annular element 42 have and shear ring seat 80, shear ring seat 80 and annular element 42 and pass through surely to carry shear pin 120 and be fixedly connected with.Shear ring seat 80 to be fixedly connected with by surely carrying shear pin 120 with between annular element 42.Such design can make the lower end of umbrella-type elastic sealing device 40 be fixed on lower contact 30 annular shoulder 31.
Principle is set to further illustrate the concrete structure of umbrella-type setting ball seat 100 below by what describe umbrella-type setting ball seat 100 in detail.
Composition graphs 1, Fig. 2 a, Fig. 2 b, shown in Fig. 2 c and Fig. 2 d, when setting umbrella-type setting ball seat 100, making to set steel ball 110 is located on the end part seal 70 of umbrella-type elastic packing pawl 41, because umbrella-type elastic packing pawl 41 is in the state of tightening up (as shown in Figure 2 a and 2 b), and the diameter setting steel ball 110 is greater than the diameter of the ring port that multiple end part seal 70 is formed, make to set steel ball 110 can not continue to fall, thus set steel ball 110, end part seal 70 and connecting cylinder 20 define the channel seal cross section of injection-production column jacket (not shown), complete setting of umbrella-type setting ball seat 100.
After umbrella-type setting ball seat 100 has set, in injection-production column jacket (not shown), pump into hydraulic pressure (reference pressure 20MPa-40MPa) by the specified pressure that sets of packer (not shown), make the packer setting on injection-production column jacket.After packer setting, raising pumps into hydraulic pressure in injection-production column jacket, and to surely carrying, shear pin 120 is specified cuts off pressure (reference pressure 25MPa ~ 45MPa), make the active force being applied to umbrella-type elastic packing pawl 41 and setting steel ball 110 be greater than the shearing force of surely carrying shear pin 120, surely carry shear pin 120 and cut off.Surely carrying after shear pin 120 cut off, shear ring seat 80 to be separated with annular element 42, now because the annular element 42 that is fixedly connected with umbrella-type elastic packing pawl 41 is without the support at the shoulder position 31 of lower contact 30, make annular element 42 together with umbrella-type elastic packing pawl 41 (i.e. umbrella-type elastic sealing device 40) in the descending cavity dropping into connecting cylinder 20.And be less than the diameter of the neck of lower contact 30 due to the diameter of annular element 42, no longer fall when annular element 42 and umbrella-type elastic packing pawl 41 (i.e. umbrella-type elastic sealing device 40) are dropped in the cavity of the connecting cylinder 20 at the neck place of lower contact 30, and be fixed to the neck place of lower contact 30.
After in the cavity that umbrella-type elastic packing pawl 41 drops into connecting cylinder 20, (as shown in Fig. 2 c and Fig. 2 d) is opened owing to losing the constraint of the shoulder 21 of connecting cylinder 20 in the upper end of umbrella-type elastic packing pawl 41, thus multiple end part seals 70 of the ring port formed also are separated from each other, the diameter of the port now formed in the upper end of umbrella-type elastic packing pawl 41 has been greater than the diameter setting steel ball 110, making to set steel ball 110 drops in well by umbrella-type elastic packing pawl 41, thus recovered the interior latus rectum of umbrella-type setting ball seat 100, larger latus rectum is provided for producing passage, achieve and set injection-production column jacket without wire Launching and Bailing.
Wherein, while umbrella-type elastic packing pawl 41 drops in the cavity of connecting cylinder 20 with annular element 42 is descending, non-return insertion tube 50 under the elastic force effect of its Action of Gravity Field and spring 60, along with umbrella-type elastic sealing device 40 falls together.Owing to being provided with shoulder 21 in the inner chamber of connecting cylinder 20, therefore when the annular protrusion 51 of non-return insertion tube 50 is fallen on shoulder 21, non-return insertion tube 50 stops falling.And umbrella-type elastic packing pawl 41 is now in open configuration (as shown in Fig. 2 c and Fig. 2 d) in lower backwardness, make the lower end of non-return insertion tube 50 extend in the upper end port of umbrella-type elastic packing pawl 41, such design effectively prevent umbrella-type elastic packing pawl 41 owing to opening for a long time or bouncing back voluntarily when being subject to high temperature.
When adopting umbrella-type setting ball seat to carry out setting injection-production column jacket without wire Launching and Bailing, only need set steel ball from well head input, then pump into hydraulic pressure and can complete and set, its work progress is easy, quick, the time is short, construction cost is low.
See Fig. 3, it illustrates the injection-production column jacket 200 adopting umbrella-type setting ball seat of the present utility model.This injection-production column jacket 200 comprises the tubing shoe 210, seating and sealing unit 100, packer 230, sliding sleeve 240, storm valve 250, tubing hanger 260 and the oil pipe four-way 270 that set gradually from top to bottom.Tubing shoe 210, seating and sealing unit 100, packer 230, sliding sleeve 240, storm valve 250, tubing hanger 260 are connected to each other by oil pipe 280 between any two, and oil pipe 280 is hanging to be hung on oil pipe four-way 270.Particularly, seating and sealing unit 100 is set to the umbrella-type setting ball seat 100 for setting without wire Launching and Bailing.Namely injection-production column jacket 200 connected mode is from top to bottom: tubing shoe 210 connected pipes 280, oil pipe 280 connect umbrella-type setting ball seat 100, umbrella-type setting ball seat 100 connected pipes 280, oil pipe 280 connect packer 230, packer 230 connected pipes 280, oil pipe 280 connect sliding sleeve 240, sliding sleeve 240 connected pipes 280, oil pipe 280 connecting downhole safety valve 250, storm valve 250 connected pipes 280, oil pipe 280 connected pipes hang 260, tubing hanger 260 hangs on oil pipe four-way 270.
The beneficial effect of the technical scheme that the utility model provides is: the umbrella-type setting ball seat for injection-production column jacket that the utility model provides and injection-production column jacket fully combine common pitching setting ball seat feature easy and simple to handle, devise umbrella-type pawl simultaneously, after packer setting, umbrella-type pawl is opened, maintain latus rectum in gas storage injection-production column jacket not reduce, undergauge phenomenon can not be produced.The umbrella-type setting ball seat for injection-production column jacket provided according to the utility model and injection-production column jacket realize the mode of injection-production column jacket packer setting for set mode without wire Launching and Bailing, this sets mode without wire Launching and Bailing and need not remove steel wire and carry out operation, has and makes gas storage injection-production column jacket set easy, quick, safe and reliable feature.Both shorten construction period, reduce construction cost again.The utility model is that existing gas storage well injection-production technical tubing string adds one and newly sets mode, for the construction of gas storage well provides safety guarantee.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1., for a umbrella-type setting ball seat for injection-production column jacket, it is characterized in that,
Described umbrella-type setting ball seat comprise set gradually from top to bottom top connection, connecting cylinder and lower contact, in the cavity of lower contact and connecting cylinder, be provided with umbrella-type elastic sealing device, when setting, described umbrella-type elastic sealing device is in the state of tightening up; After having set, described umbrella-type elastic sealing device has been in open configuration.
2. the umbrella-type setting ball seat for injection-production column jacket according to claim 1, is characterized in that,
Described umbrella-type setting ball seat also comprises:
Non-return insertion tube, described non-return insertion tube is arranged between the inner chamber middle part of described connecting cylinder and the lower end of described top connection;
Spring, described spring is arranged between radially annular protrusion outwardly in described non-return insertion tube and the lower end of described top connection;
End part seal, described end part seal is arranged on the top of described umbrella-type elastic sealing device, contacting with the lower end surface of described non-return insertion tube above of described end part seal, and the side of described end part seal contacts with the shoulder in the middle of described connecting cylinder;
Wherein said umbrella-type elastic sealing device is arranged between radially inwardly outstanding annular shoulder in described lower contact and the lower end of described non-return insertion tube, and the top of described umbrella-type elastic sealing device is adjacent with the shoulder in the middle of described connecting cylinder.
3. the umbrella-type setting ball seat for injection-production column jacket according to claim 2, is characterized in that,
Described umbrella-type elastic sealing device comprises umbrella-type elastic packing pawl and is arranged on the annular element of lower end of described umbrella-type elastic packing pawl, and described annular element is fixedly connected with the lower end of described umbrella-type elastic packing pawl.
4. the umbrella-type setting ball seat for injection-production column jacket according to claim 3, is characterized in that,
On the annular shoulder of described lower contact and the arranged outside being close to described annular element has shearing ring seat, described shearing ring seat and described annular element are fixedly connected with by surely carrying shear pin.
5. the umbrella-type setting ball seat for injection-production column jacket according to claim 4, is characterized in that,
Described umbrella-type elastic packing pawl is provided with multiple jaw, the end of described multiple jaw is provided with sulfuration and is connected to multiple described end part seal in described multiple jaw,
When setting, described in set the channel seal cross section that steel ball, end part seal and connecting cylinder form gas storage injection-production column jacket.
6. the umbrella-type setting ball seat for injection-production column jacket according to claim 5, is characterized in that,
When setting, described in set steel ball and be placed on end part seal;
After having set, by improving the pressure of the hydraulic pressure pumped in described injection-production column jacket, cut off and describedly surely carry shear pin, open configuration is in the cavity that described umbrella-type elastic packing pawl drops into described connecting cylinder downwards, fall into well by the described steel ball that sets through described umbrella-type elastic packing pawl, described umbrella-type setting ball seat reverts to has interior latus rectum.
7. the umbrella-type setting ball seat for injection-production column jacket according to any one of claim 1-6, is characterized in that,
Described umbrella-type setting ball seat also comprise match with described umbrella-type setting ball seat set steel ball for what set without wire Launching and Bailing.
8. the umbrella-type setting ball seat for injection-production column jacket according to claim 7, is characterized in that,
The described upper and lower two ends of umbrella-type setting ball seat are provided with tubing round thread, and described umbrella-type setting ball seat two ends are connected with described oil pipe respectively by described tubing round thread, and described connecting cylinder is threaded connection with described top connection and lower contact respectively.
9. the umbrella-type setting ball seat for injection-production column jacket according to claim 8, is characterized in that,
Be tightly connected respectively by sealing ring between described top connection and described connecting cylinder and between described connecting cylinder and described lower contact.
10. an injection-production column jacket, described injection-production column jacket comprises the tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger and the oil pipe four-way that set gradually from top to bottom, described tubing shoe, seating and sealing unit, packer, sliding sleeve, storm valve, tubing hanger are connected to each other by oil pipe between any two, described tubing hanger is suspended on described oil pipe four-way, it is characterized in that
Described seating and sealing unit is set to the umbrella-type setting ball seat according to any one of claim 1-9 for setting without wire Launching and Bailing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358519.7U CN204782909U (en) | 2015-05-29 | 2015-05-29 | A tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358519.7U CN204782909U (en) | 2015-05-29 | 2015-05-29 | A tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column |
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| Publication Number | Publication Date |
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| CN204782909U true CN204782909U (en) | 2015-11-18 |
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| CN201520358519.7U Active CN204782909U (en) | 2015-05-29 | 2015-05-29 | A tubular column is adopted to umbrella formula seat sealing ball seat and notes for annotating adopt tubular column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162670A (en) * | 2018-10-13 | 2019-01-08 | 中石化石油工程技术服务有限公司 | Soluble E type seating and sealing unit and its set method |
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2015
- 2015-05-29 CN CN201520358519.7U patent/CN204782909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162670A (en) * | 2018-10-13 | 2019-01-08 | 中石化石油工程技术服务有限公司 | Soluble E type seating and sealing unit and its set method |
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