CN207660587U - A kind of cable-passing packer - Google Patents
A kind of cable-passing packer Download PDFInfo
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- CN207660587U CN207660587U CN201721301403.5U CN201721301403U CN207660587U CN 207660587 U CN207660587 U CN 207660587U CN 201721301403 U CN201721301403 U CN 201721301403U CN 207660587 U CN207660587 U CN 207660587U
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- mandrel
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Abstract
The utility model discloses a kind of cable-passing packers, including:The upside of one mandrel, mandrel forms a first step;Upper rule ring set is set to the upside of mandrel;Lower rule ring set is set to the upside of mandrel, and a first annular protrusion is formed on the upside of lower rule ring;Two packing elements are sheathed on the upside of mandrel with facing;Spacer ring is sheathed on the upside of mandrel;Piston bush is set to the middle part of mandrel;Fluid cylinder is arranged the upside with piston;One lock ring seat and a lock ring, lock ring cover for seat are set to the downside of piston;Shear pin cover for seat is set to the downside of piston, and shear pin seat is connected with piston by shear pin;Upper cone is sheathed on the downside of mandrel, and the upper end of upper cone is formed with one second annular protrusion;Lower cone is sheathed on the downside of mandrel, and a snap ring is provided between lower cone and mandrel;Several slips are surrounded on mandrel;The lower end of mandrel is arranged with a lower contact;Carrier block is provided between load-carrying ring and mandrel.The cable-passing packer of the utility model is compact-sized, meets requirement of the production to big channel.
Description
Technical field
The utility model is related to the technical field of packer more particularly to a kind of cable-passing packers.
Background technology
Cable-passing packer is one of most important downhole tool in flow string, is mainly used to separate pay interval,
Prevent ganging up, interfering for inter-layer fluid and pressure;The various requirement for meeting production of recovering the oil, is suitable for electric pump producing well.In general, mistake
For cable packer since channel is more compared with common packer, each channel inside/outside diameter size is smaller.With the development of oil recovery technique,
Electric pump well is also increasingly deeper, no matter from the safety of tube column strength to consider, or consider in yield from improving, required electricity
Cable packer has larger channel internal diameter.
Utility model content
It is led to the problem of for above-mentioned, the purpose of this utility model is to provide a kind of cable-passing packers.
To achieve the goals above, the technical solution that the utility model is taken is:
A kind of cable-passing packer, wherein further include:The outer diameter of one mandrel, the upper end of the mandrel is more than the mandrel
The outer diameter of lower end is provided with two central lumens in the mandrel, and two central lumens are parallel, and the both ends of the mandrel open up
There are two openings, two openings to be connected with two central lumens, forms one first on the outer wall of the upside of the mandrel
Step;Ring is advised on one, the upper rule ring set is set to the upside of the mandrel, and the upper end of the upper rule ring is butted on the first step
On;Ring is once advised, the lower rule ring set is set to the upside of the mandrel, is extended outward to form on the upside of the outer wall of the lower rule ring
There is a first annular protrusion;One or two packing element, two packing elements are sheathed on the upside of the mandrel with facing, and two packing elements are equal
Between the upper rule ring and the lower rule ring;One spacer ring, the spacer ring are sheathed on the upside of the mandrel, the spacer ring position
Between two packing elements;One piston, the piston bush are set to the middle part of the mandrel, and the piston is located at the lower rule ring
Downside;One fluid cylinder, the fluid cylinder are arranged the upside with the outer wall of the piston, and the upper end of the fluid cylinder is butted on described first annular
In protrusion;One lock ring seat and a lock ring, the lock ring cover for seat are set to the downside of the piston, the middle part of the lock ring seat and described
It is connected by the lock ring between piston, the upper end of the lock ring seat is inserted between the piston and the fluid cylinder;One shear pin
Seat, the shear pin cover for seat are set to the downside of the piston, the upper end of the shear pin seat be inserted into the lock ring seat and the piston it
Between, one end of several shear pins is inserted into the piston, and the other end of several shear pins runs through the shear pin seat;One epicone
Body, the upper cone are sheathed on the downside of the mandrel, and the upper end of the outer wall of the upper cone, which upwardly extends, is formed with one second
Annular protrusion, second annular protrusion are sheathed on the lower end of the piston, are offered on the lower face of the upper cone several
The bottom surface of slip groove, several slip grooves is inclined-plane, and several slips limiting slots are offered on the lower face of the upper cone;
One lower cone, the lower cone are sheathed on the downside of the mandrel, and the lower cone is located at the downside of the upper cone, under described
It is provided with a snap ring between cone and the mandrel, is connected by a deblocking shear pin between the lower cone and the mandrel,
Several slip grooves are offered on the upper surface of the lower cone, the upper surface of the lower cone offers several slips
Limiting slot;Several slips, several slips are uniformly surrounded on the outer wall of the mandrel, and several slips are integrated
Formula structure, each slips include a fixed part and a sliding part, and the sliding part of several slips is close to described
The surface of mandrel is inclined-plane, the inclined-plane of the inclined-plane of several slips and the slip groove of the upper cone or with it is described under
The slopes which match of the slip groove of cone, several slips include several first slips and several second slips, each
The fixed part of first slips is fixed in a slips limiting slot of the lower cone, each first slips
The sliding part be inserted into one in the upper cone slip groove, the fixed part of each second slips is fixed on institute
It states in the slips limiting slot in upper cone, the sliding part of each second slips is inserted into the lower cone
In one slip groove;One lower contact, the lower end of the mandrel are arranged with a lower contact, the upside of the lower contact it is outer
A second step is formed on wall;One load-carrying ring, the load-carrying ring are sheathed on the downside of the mandrel, the middle part of the load-carrying ring and
A carrier block is provided between the mandrel, the lower end of the load-carrying ring is butted on the second step, the load-carrying ring and institute
Second step is stated by several screws to be connected.
A kind of above-mentioned cable-passing packer, wherein an annular groove is offered on the upside of the outer wall of the mandrel, it is described
An opening baffle ring is fixed in annular groove, the opening baffle ring is between the lower rule ring and the piston.
Above-mentioned a kind of cable-passing packer, wherein the upper end of the opening baffle ring is butted on the lower end of the lower rule ring, institute
The lower end for stating opening baffle ring is butted on the upper end of the piston, and the outer wall of the opening baffle ring fits in the inner wall of the fluid cylinder.
Above-mentioned a kind of cable-passing packer, wherein several sealing rings, institute are equipped between the lower rule ring and the mandrel
It states and is provided with several sealing rings between lower rule ring and the fluid cylinder.
Above-mentioned a kind of cable-passing packer, wherein several sealing rings are provided between the fluid cylinder and the piston.
Above-mentioned a kind of cable-passing packer, wherein several sealing rings are provided between the piston and the mandrel.
Above-mentioned a kind of cable-passing packer, wherein the lock ring seat is connected with the fluid cylinder by several screws, institute
Lock ring seat is stated to connect with the mandrel thread.
Above-mentioned a kind of cable-passing packer, wherein several tooth sockets, the lock are offered on the inner wall of the lock ring seat
Several teeth are offered on the outer wall of ring, several tooth sockets are matched with several teeth.
Above-mentioned a kind of cable-passing packer, wherein the upper end of the carrier block is butted on the load-carrying ring, the carrying
The lower end of block is butted on the upper end of the second step.
Due to the above-mentioned technology of use, the good effect for being allowed to have compared with prior art is the utility model:
(1) cable-passing packer of the utility model is compact-sized, meets requirement of the production to big channel.
(2) cable-passing packer of the utility model is convenient for cable-passing packer attachment (such as vent valve, cable penetration device
Deng) installation.
Description of the drawings
Fig. 1 is the sectional view of the cable-passing packer of the utility model.
Fig. 2 be the cable-passing packer of the utility model Fig. 1 in enlarged drawing at A.
Fig. 3 be the cable-passing packer of the utility model Fig. 1 in enlarged drawing at B.
Fig. 4 be the cable-passing packer of the utility model Fig. 1 in enlarged drawing at C.
In attached drawing:1, mandrel;2, first step;3, upper rule ring;4, lower rule ring;41, first annular protrusion;51, packing element;
52, packing element;6, spacer ring;7, piston;8, fluid cylinder;9, lock ring seat;10, lock ring;11, shear pin seat;111, shear pin;12, upper cone;
121, the second annular protrusion;13, lower cone;14, snap ring;151, slips;152, slips;16, lower contact;17, second step;
18, load-carrying ring;19, carrier block;20, be open baffle ring.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 1 is the sectional view of the cable-passing packer of the utility model, and Fig. 2 is the cable-passing packer of the utility model
Enlarged drawing in Fig. 1 at A, Fig. 3 be the cable-passing packer of the utility model Fig. 1 in enlarged drawing at B, Fig. 4 is this practicality
Enlarged drawing in Fig. 1 of novel cable-passing packer at C.Refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, show it is a kind of compared with
The cable-passing packer of good embodiment, including:One mandrel 1 is provided with two central lumens in mandrel 1, and two central lumens are parallel,
The both ends of mandrel 1 offer two opening (not shown)s, and two openings are connected with two central lumens, the upper end of mandrel 1
Outer diameter be more than the outer diameter of 1 lower end of mandrel, form a first step 2 on the outer wall of the upside of mandrel 1.
Further, as a kind of preferred embodiment, cable-passing packer further includes:Ring 3 is advised on one, upper rule ring 3 is arranged
It is butted on first step 2 in the upper end of the upside of mandrel 1, upper rule ring 3.
Further, as a kind of preferred embodiment, cable-passing packer further includes:Once advise ring 4, lower 4 sets of rule ring
Set on the upside of mandrel 1, one first annular raised 41 is extended outward to form on the upside of the outer wall of lower rule ring 4, lower rule ring 4 is located at
The downside of upper rule ring 3.
Further, as a kind of preferred embodiment, cable-passing packer further includes:One or two packing element, two packing elements phase is just
It is sheathed on the upside of mandrel 1 over the ground, two packing elements are respectively positioned between rule ring 3 and lower rule ring 4, and the upper end of packing element 51 is butted on rule ring
3 lower end, the lower end of packing element 52 are butted on the upper end of lower rule ring 4.
In addition, as a kind of preferred embodiment, cable-passing packer further includes:One spacer ring 6, spacer ring 6 are sheathed on mandrel
1 upside, spacer ring 6 is between packing element 51 and packing element 52.
Moreover, as a kind of preferred embodiment, cable-passing packer further includes:One piston 7, piston 7 are sheathed on mandrel
1 middle part, piston 7 are located at the downside of lower rule ring 4.
Furthermore as a kind of preferred embodiment, cable-passing packer further includes:One fluid cylinder 8, fluid cylinder 8 are sheathed on piston
The upper end of the upside of 7 outer wall, fluid cylinder 8 is butted on first annular raised 41.
In addition, as a kind of preferred embodiment, cable-passing packer further includes:One lock ring seat 9 and a lock ring 10, lock ring
Seat 9 is sheathed on the downside of piston 7, is connected by lock ring 10 between the middle part and piston 7 of lock ring seat 9, and the upper end of lock ring seat 9 is inserted
Enter between piston 7 and fluid cylinder 8.
In addition, as a kind of preferred embodiment, wherein cable-passing packer further includes:One shear pin seat 11, shear pin seat
11 are sheathed on the downside of piston 7, and the upper end of shear pin seat 11 is inserted between lock ring seat 9 and piston 7, and one end of several shear pins 111 is equal
It is inserted into piston 7, the other end of several shear pins 111 runs through shear pin seat 11.
In addition, as a kind of preferred embodiment, wherein cable-passing packer further includes:One upper cone 12, upper cone
12 are sheathed on the downside of mandrel 1, and the upper end of the outer wall of upper cone 12, which upwardly extends, is formed with one second annular protrusion 121, and second
Annular protrusion 121 is sheathed on the lower end of piston 7, and several slip grooves are offered on the lower face of upper cone 12, several slip grooves
Bottom surface is inclined-plane, and several slips limiting slots are offered on the lower face of upper cone 12.
Moreover, as a kind of preferred embodiment, wherein cable-passing packer further includes:One lower cone 13, lower cone
13 are sheathed on the downside of mandrel 1, and lower cone 13 is located at the downside of upper cone 12, a card is provided between lower cone 13 and mandrel 1
Ring 14 is connected by a deblocking shear pin between lower cone 13 and mandrel 1, several slips is offered on the upper surface of lower cone 13
The upper surface of slot, lower cone 13 offers several slips limiting slots.
In addition, as a kind of preferred embodiment, wherein cable-passing packer further includes:Several slips, several slips are equal
Even is surrounded on the outer wall of mandrel 1, and several slips are an integral structure, and each slips includes a fixed part and a sliding
Portion, the sliding parts of several slips are inclined-plane close to the surface of mandrel 1, the inclined-plane of several slips and the slip groove of upper cone 12
Inclined-plane or slopes which match with the slip groove of lower cone 13, several slips include several first slips 151 and several second cards
Watts 152, the fixed part of every 1 first slips 151 is fixed in a slips limiting slot of lower cone 13, every 1 first slips 151
Sliding part be inserted into upper cone 12 in a slip groove in, the fixed part of every 1 second slips 152 is fixed in upper cone 12
In one slips limiting slot, the sliding part of every 1 second slips 152 is inserted into the slip groove in lower cone 13.
Further, as a kind of preferred embodiment, wherein cable-passing packer further includes:One lower contact 16, mandrel 1
Lower end be arranged with a lower contact 16, a second step 17 is formed on the outer wall of the upside of lower contact 16.
Further, as a kind of preferred embodiment, wherein cable-passing packer further includes:One load-carrying ring 18, carrying
Ring 18 is sheathed on the downside of mandrel 1, is provided with a carrier block 19 between the middle part and mandrel 1 of load-carrying ring 18, under load-carrying ring 18
End is butted on second step 17, and load-carrying ring 18 is connected with second step 17 by several screws.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model
Range.
The utility model also has on the basis of the above is implemented as follows mode:
In the further embodiment of the utility model, wherein offer an annular groove, ring on the upside of the outer wall of mandrel 1
An opening baffle ring 20 is fixed in connected in star, opening baffle ring 20 is between lower rule ring 4 and piston 7.
In the further embodiment of the utility model, wherein the upper end of opening baffle ring 20 is butted on the lower end of lower rule ring 4, opens
The lower end of mouth baffle ring 20 is butted on the upper end of piston 7, and the outer wall of opening baffle ring 20 fits in the inner wall of fluid cylinder 8.
In the further embodiment of the utility model, wherein be equipped with several sealing rings, lower rule between lower rule ring 4 and mandrel 1
Several sealing rings are provided between ring 4 and fluid cylinder 8.
In the further embodiment of the utility model, wherein be provided with several sealing rings between fluid cylinder 8 and piston 7.
In the further embodiment of the utility model, wherein be provided with several sealing rings between piston 7 and mandrel 1.
In the further embodiment of the utility model, wherein lock ring seat 9 is connected with fluid cylinder 8 by several screws, lock ring
Seat 9 is threadedly coupled with mandrel 1.
In the further embodiment of the utility model, wherein offer several tooth sockets, lock ring on the inner wall of lock ring seat 9
Outer wall on offer several teeth, several tooth sockets are matched with several teeth.
In the further embodiment of the utility model, wherein the upper end of carrier block 19 is butted on load-carrying ring 18, carrier block
19 lower end is butted on the upper end of second step 17.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in
It is interior.
Claims (9)
1. a kind of cable-passing packer, which is characterized in that including:
One mandrel, the outer diameter of the upper end of the mandrel are more than the outer diameter of the mandrel lower end, two centers are provided in the mandrel
Tube chamber, two central lumens are parallel, and the both ends of the mandrel offer two openings, two openings with two centers
Tube chamber is connected, and a first step is formed on the outer wall of the upside of the mandrel;
Ring is advised on one, the upper rule ring set is set to the upside of the mandrel, and the upper end of the upper rule ring is butted on the first step
On;
Ring is once advised, the lower rule ring set is set to the upside of the mandrel, and extend outwardly shape on the upside of the outer wall of the lower rule ring
The first annular protrusions of Cheng Youyi;
One or two packing element, two packing elements are sheathed on the upside of the mandrel with facing, and two packing elements are respectively positioned on the upper rule
Between ring and the lower rule ring;
One spacer ring, the spacer ring are sheathed on the upside of the mandrel, and the spacer ring is between two packing elements;
One piston, the piston bush are set to the middle part of the mandrel, and the piston is located at the downside of the lower rule ring;
One fluid cylinder, the fluid cylinder are arranged the upside with the outer wall of the piston, and the upper end of the fluid cylinder is butted on described first annular
In protrusion;
One lock ring seat and a lock ring, the lock ring cover for seat are set to the downside of the piston, the middle part of the lock ring seat and the work
It is connected by the lock ring between plug, the upper end of the lock ring seat is inserted between the piston and the fluid cylinder;
One shear pin seat, the shear pin cover for seat are set to the downside of the piston, the upper end of the shear pin seat be inserted into the lock ring seat and
Between the piston, one end of several shear pins is inserted into the piston, and the other end of several shear pins, which runs through described, to be cut
Nail seat;
One upper cone, the upper cone are sheathed on the downside of the mandrel, and the upper end of the outer wall of the upper cone upwardly extends shape
The second annular protrusions of Cheng Youyi, second annular protrusion are sheathed on the lower end of the piston, on the lower face of the upper cone
Several slip grooves are offered, the bottom surface of several slip grooves is inclined-plane, is offered on the lower face of the upper cone several
Slips limiting slot;
One lower cone, the lower cone are sheathed on the downside of the mandrel, and the lower cone is located at the downside of the upper cone, institute
It states and is provided with a snap ring between lower cone and the mandrel, be connected by a deblocking shear pin between the lower cone and the mandrel
It connects, offers several slip grooves on the upper surface of the lower cone, the upper surface of the lower cone offers several described
Slips limiting slot;
Several slips, several slips are uniformly surrounded on the outer wall of the mandrel, and several slips are integral type
Structure, each slips include a fixed part and a sliding part, and the sliding part of several slips is close to the core
The surface of axis is inclined-plane, the inclined-plane of the inclined-plane of several slips and the slip groove of the upper cone or with the lower cone
The slopes which match of the slip groove of body, several slips include several first slips and several second slips, Mei Yisuo
The fixed part for stating the first slips is fixed in a slips limiting slot of the lower cone, each first slips
The sliding part is inserted into one in the upper cone slip groove, and the fixed part of each second slips is fixed on described
In a slips limiting slot in upper cone, the sliding part of each second slips is inserted into one in the lower cone
In the slip groove;
The lower end of one lower contact, the mandrel is arranged with a lower contact, and one is formed on the outer wall of the upside of the lower contact
Second step;
One load-carrying ring, the load-carrying ring are sheathed on the downside of the mandrel, are set between the middle part of the load-carrying ring and the mandrel
It is equipped with a carrier block, the lower end of the load-carrying ring is butted on the second step, and the load-carrying ring passes through with the second step
Several screws are connected.
2. cable-passing packer according to claim 1, which is characterized in that offer one on the upside of the outer wall of the mandrel
Annular groove is fixed with an opening baffle ring in the annular groove, and the opening baffle ring is located at the lower rule ring and the piston
Between.
3. cable-passing packer according to claim 2, which is characterized in that it is described opening baffle ring upper end be butted on it is described under
The lower end of ring is advised, the lower end of the opening baffle ring is butted on the upper end of the piston, and the outer wall of the opening baffle ring is in the fluid cylinder
Inner wall fit.
4. cable-passing packer according to claim 1, which is characterized in that be equipped between the lower rule ring and the mandrel
Several sealing rings are provided with several sealing rings between the lower rule ring and the fluid cylinder.
5. cable-passing packer according to claim 1, which is characterized in that be provided between the fluid cylinder and the piston
Several sealing rings.
6. cable-passing packer according to claim 1, which is characterized in that be provided between the piston and the mandrel
Several sealing rings.
7. cable-passing packer according to claim 1, which is characterized in that the lock ring seat passes through several with the fluid cylinder
Screw is connected, and the lock ring seat is connect with the mandrel thread.
8. cable-passing packer according to claim 1, which is characterized in that offered on the inner wall of the lock ring seat several
Tooth socket, offer several teeth on the outer wall of the lock ring, several tooth sockets are matched with several teeth.
9. cable-passing packer according to claim 1, which is characterized in that the upper end of the carrier block is butted on the carrying
On ring, the lower end of the carrier block is butted on the upper end of the second step.
Priority Applications (1)
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CN201721301403.5U CN207660587U (en) | 2017-09-30 | 2017-09-30 | A kind of cable-passing packer |
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CN201721301403.5U CN207660587U (en) | 2017-09-30 | 2017-09-30 | A kind of cable-passing packer |
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CN207660587U true CN207660587U (en) | 2018-07-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110017138A (en) * | 2019-05-08 | 2019-07-16 | 中国科学院武汉岩土力学研究所 | Air water multilayer sampling method and device in a kind of drilling |
-
2017
- 2017-09-30 CN CN201721301403.5U patent/CN207660587U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110017138A (en) * | 2019-05-08 | 2019-07-16 | 中国科学院武汉岩土力学研究所 | Air water multilayer sampling method and device in a kind of drilling |
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