CN209261525U - Static pressure type bypasses packer - Google Patents
Static pressure type bypasses packer Download PDFInfo
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- CN209261525U CN209261525U CN201822070279.7U CN201822070279U CN209261525U CN 209261525 U CN209261525 U CN 209261525U CN 201822070279 U CN201822070279 U CN 201822070279U CN 209261525 U CN209261525 U CN 209261525U
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Abstract
The utility model relates to oil and gas exploitation equipment technical fields, are related to static pressure type bypass packer.Including upper connector, outer connector sleeve, lower connector, inner connection tube and switch sleeve；When in use, staff by service tube-column can pull switch set, to keep the second pressure transmission hole on internal chaining pipe unimpeded, to allow the liquid to by the first pressure transmission hole inlet channel hydraulic cylinder, and piston is pushed to be moved, piston motion squeezes packing element deformation, completes setting work；When being blocked inside static pressure type bypass packer, liquid is by the first by-pass port-the-the second by-pass port of annular space-annular space-annular space-inner connection tube bypass passageways-annular space between lower connector and inner connection tube between lower connector and inner connection tube between upper connector and inner connection tube between outer connector sleeve and upper connector, setting in this way allows fluid to continue to flow downward, and guarantees that filling operation can continue to work.
Description
Technical field
The utility model relates to oil and gas exploitation equipment technical fields, bypass and insulate in particular to static pressure type
Device.
Background technique
Horizontal wells have bright since drainage area is big in terms of improving the economic benefit of oil well output and oil field development
Aobvious advantage, since the inevitable reservoir exploitation for crossing mud stone section of Reservoir Heterogeneity and stratigraphic dip variation and part needs
It wants, pipe shoe position, which is often bored, in open hole completion meets big section mud stone, and chip off-falling that the mud stone section borehole wall occurs, undergauge and collapses not
Stablize risk, entire open-hole gravel pack operation is easily caused to fail.
Therefore it provides a kind of filling effect it is good static pressure type bypass packer become those skilled in the art it is to be solved
Important technological problems.
Utility model content
The purpose of this utility model is to provide a kind of static pressure types to bypass packer, to alleviate filling effect in the prior art
The technical problem of difference.
Utility model embodiment provides a kind of static pressure type bypass packer, including upper connector, outer connector sleeve, lower connection
Pipe, inner connection tube and switch sleeve；
The upper connector outer wall offers the first by-pass port and the second by-pass port, and the outer connector sleeve is set on described
Outside connecting tube, the outer connector sleeve upper and lower ends are fixedly connected with the upper connector, and described in the outer connector sleeve covering
First by-pass port and second by-pass port, so that first by-pass port is connected to second by-pass port；
The lower connector is threadedly coupled with the upper connector, and the lower connector outer wall is successively arranged with from top to bottom
Hydraulic cylinder, piston and packing element, the hydraulic cylinder are fixedly connected with the lower connector, and the piston and the lower connector are slided
Connection, described packing element one end are abutted with the piston, and the packing element other end is abutted with the lower connector, the lower connector
The first pressure transmission hole is offered between the cylinder bottom and the piston；
The inner connection tube is threadedly coupled with the lower connector, is offered on the inner connection tube and first pressure transmission
Corresponding second pressure transmission hole in hole is provided with the first card slot and the second card slot being adapted to the switch sleeve in the inner connection tube,
When the switch sleeve is located at first card slot, the switch sleeve covers second pressure transmission hole, is located in the switch sleeve
When second card slot, second pressure transmission hole is unimpeded；
The first cavity, the lower connector and the inner connection tube are formed between the upper connector and the inner connection tube
Between form the second cavity, the bypass for being connected to first cavity Yu second cavity is offered on the inner connection tube
Channel.
The first possible embodiment provided by the embodiment of the utility model, wherein above-mentioned upper connector includes upper short
Section, interior connector sleeve and upper communicating pipe；
It the upper pipe nipple, the interior connector sleeve and was successively threadedly coupled from top to bottom the upper communicating pipe.
Second of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned first by-pass port is located at institute
It states on pipe nipple, second by-pass port was located on the upper communicating pipe.
The third possible embodiment provided by the embodiment of the utility model, wherein above-mentioned lower connector includes above connecing
Head, central tube, lower contact and lower pipe nipple；
The top connection, the central tube, the lower contact and the lower pipe nipple are successively threadedly coupled from top to bottom.
4th kind of possible embodiment provided by the embodiment of the utility model, wherein the outer wall of above-mentioned central tube one end
It is connect with the inner thread of the top connection, the outer wall of the central tube other end is connect with the inner thread of the lower contact；
First pressure transmission hole is located on the central tube.
5th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned inner connection tube includes upper close
Sealed tube, bilateral body, middle sealing drum and lower seal cylinder；
The upper seal bore, the bilateral body, the middle sealing drum and the lower seal cylinder are sequentially connected from top to bottom；
It is arranged between the upper seal bore and the interior connector sleeve and is tightly connected；
The outer wall of bilateral body one end is connect with the central tube inner thread, and the other end and the basepipe seal
Connection.
6th kind of possible embodiment provided by the embodiment of the utility model, wherein the inner wall of above-mentioned bilateral body one end
It is connect with the outer wall thread of the upper seal bore, the inner wall of the other end is connect with the outer wall thread of the middle sealing drum.
7th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned second pressure transmission hole and described
Bypass passageways are respectively positioned on the bilateral body, and the axis of second pressure transmission hole is vertical with the axis of the bypass passageways；
Second pressure transmission hole is not connected to the bypass passageways；
First card slot and second card slot are respectively positioned in the bilateral body.
8th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned piston by thrust sleeve with
The packing element abuts, and the piston is covered by power transmission to abut with the thrust sleeve；
Seal is provided between the power transmission set and the central tube；
The power transmission set is threadedly coupled with the thrust sleeve, and is provided with lock between power transmission set and the thrust sleeve
Ring, the lock ring inner wall are provided with first latching tooth, and the center pipe outer wall is provided with the second card being adapted to the first latching tooth
Tooth moves to avoid the lock ring towards the piston direction.
9th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned packing element includes the first side glue
Cylinder, the second side packing element and middle packing element, described first in packing element and second packing element setting it is described in the middle packing element upper and lower ends
First while packing element and it is described second while both packing elements be provided with spacer ring between the middle packing element；
First side packing element is abutted with the thrust sleeve by copper umbrella, second side packing element pass through copper umbrella with it is described under
Connector abuts.
The utility model has the advantages that
Utility model embodiment provides a kind of static pressure type bypass packer, including upper connector, outer connector sleeve, lower connection
Pipe, inner connection tube and switch sleeve；Upper connector outer wall offers the first by-pass port and the second by-pass port, and outer connector sleeve is set in
Outside connecting tube, outer connector sleeve upper and lower ends are fixedly connected with upper connector, and outer connector sleeve covers the first by-pass port and second
By-pass port, so that the first by-pass port is connected to the second by-pass port；Lower connector is threadedly coupled with upper connector, lower connector outer wall
It is successively arranged with hydraulic cylinder, piston and packing element from top to bottom, hydraulic cylinder is fixedly connected with lower connector, and piston and lower connector are sliding
Dynamic connection, packing element one end are abutted with piston, and the packing element other end is abutted with lower connector, and lower connector is located at cylinder bottom and piston
Between offer the first pressure transmission hole；Inner connection tube is threadedly coupled with lower connector, is offered on inner connection tube and the first pressure transmission hole
Corresponding second pressure transmission hole is provided with the first card slot and the second card slot being adapted to switch sleeve in inner connection tube, in switch sleeve position
When the first card slot, switch sleeve covers the second pressure transmission hole, and when switch sleeve is located at the second card slot, the second pressure transmission hole is unimpeded；Upper company
The first cavity is formed between adapter tube and inner connection tube, forms the second cavity between lower connector and inner connection tube, on inner connection tube
Offer the bypass passageways for being connected to the first cavity and the second cavity.When in use, staff can by service tube-column
Pull switch set, to keep the second pressure transmission hole on internal chaining pipe unimpeded, to allow the liquid to enter by the first pressure transmission hole
In road hydraulic cylinder, and piston is pushed to be moved, piston motion squeezes packing element deformation, completes setting work；When static pressure type bypasses
When blocking inside packer, liquid is by the first by-pass port-bypass of annular space-the second between outer connector sleeve and upper connector
Between mouth-upper connector and inner connection tube annular space-between lower connector and inner connection tube annular space-inner connection tube bypass it is logical
Road-annular space between lower connector and inner connection tube, setting in this way allow fluid to continue to flow downward, guarantee to fill
Filling out work can continue to work.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram that static pressure type provided by the embodiment of the utility model bypasses packer；
Fig. 2 is the partial view in static pressure type provided by the embodiment of the utility model bypass packer；
Fig. 3 is the partial view in static pressure type provided by the embodiment of the utility model bypass packer；
Fig. 4 is the partial view in static pressure type provided by the embodiment of the utility model bypass packer；
Fig. 5 is enlarged drawing at the A in Fig. 4；
Fig. 6 is enlarged drawing at the B in Fig. 4；
Fig. 7 is the schematic diagram for the bilateral body that static pressure type provided by the embodiment of the utility model bypasses in packer.
Icon: the upper pipe nipple of 1-；The outer connector sleeve of 2-；Connector sleeve in 3-；4- upper seal bore；5- upper communicating pipe；On 6-
Connector；7- central tube；8- bilateral body；9- hydraulic cylinder；10- piston；11- switch sleeve；Sealing drum in 12-；13- power transmission
Set；14- seal；15- snap ring；16- lock ring；17- thrust sleeve；The side 18- packing element；19- spacer ring；20- packing element；21-
Copper umbrella；22- lower contact；Pipe nipple under 23-；24- lower seal cylinder；The first pressure transmission hole of 25-；The second pressure transmission hole of 26-；27-
One by-pass port；The second by-pass port of 28-；The first card slot of 29-；The second card slot of 30-；31- first latching tooth；The second latch of 32-；
33- bypass passageways.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
With reference to shown in Fig. 1-Fig. 7:
Utility model embodiment provides a kind of static pressure type bypass packer, including upper connector, outer connector sleeve 2, lower company
Adapter tube, inner connection tube and switch sleeve 11；Upper connector outer wall offers the first by-pass port 27 and the second by-pass port 28, outer connector sleeve
2 are set in outside upper connector, and outer 2 upper and lower ends of connector sleeve are fixedly connected with upper connector, and by the covering of outer connector sleeve 2 first
Port 27 and the second by-pass port 28, so that the first by-pass port 27 is connected to the second by-pass port 28；Lower connector and upper connector spiral shell
Line connection, lower connector outer wall are successively arranged with hydraulic cylinder 9, piston 10 and packing element 20, hydraulic cylinder 9 and lower connector from top to bottom
It is fixedly connected, piston 10 is slidably connected with lower connector, and 20 one end of packing element is abutted with piston 10,20 other end of packing element and lower connection
Pipe abuts, and lower connector, which is located between 9 bottom of hydraulic cylinder and piston 10, offers the first pressure transmission hole 25；Inner connection tube and lower connector
Be threadedly coupled, offer second pressure transmission hole 26 corresponding with the first pressure transmission hole 25 on inner connection tube, be provided in inner connection tube with
The first card slot 29 and the second card slot 30 that switch sleeve 11 is adapted to, when switch sleeve 11 is located at the first card slot 29, switch sleeve 11 is covered
Second pressure transmission hole 26, when switch sleeve 11 is located at the second card slot 30, the second pressure transmission hole 26 is unimpeded；Upper connector and inner connection tube it
Between form the first cavity, form the second cavity between lower connector and inner connection tube, offered on inner connection tube for being connected to the
The bypass passageways 33 of one cavity and the second cavity.
When in use, staff by service tube-column can pull switch set 11, to make second on internal chaining pipe
Pressure transmission hole 26 is unimpeded, to allow the liquid to by 25 inlet channel hydraulic cylinder 9 of the first pressure transmission hole, and piston 10 is pushed to be transported
Dynamic, the movement of piston 10 squeezes packing element 20 and deforms, and completes setting work；When being blocked inside static pressure type bypass packer, liquid
Body is by annular space the-the second by-pass port 28- upper connector and interior company between the outer connector sleeve 2 of the first by-pass port 27- and upper connector
Between adapter tube annular space-between lower connector and inner connection tube annular space-inner connection tube bypass passageways 33- lower connector with it is interior
Annular space between connecting tube, setting in this way allow fluid to continue to flow downward, and guarantee that filling operation can continue to work
Make.
Specifically, more static pressure type bypass packers provided by the embodiment of the utility model can be used in series, to prolong
The length of long bypass, or static pressure type bypass packer and filling tubing string are used cooperatively, even if occurring in tubing string stifled
Also it can guarantee that filling tubing string can work normally when plug.
In the optinal plan of the present embodiment, upper connector included upper pipe nipple 1, interior connector sleeve 3 and upper communicating pipe 5；Upper pipe nipple
1, interior connector sleeve 3 and upper communicating pipe 5 are successively threadedly coupled from top to bottom.
In the optinal plan of the present embodiment, the first by-pass port 27 is located on upper pipe nipple 1, and the second by-pass port 28 is located at upper connection
On pipe 5.
Specifically, the inner wall of upper 1 one end of pipe nipple is connect with the outer wall thread of interior connector sleeve 3, interior connector sleeve 3 is far from upper pipe nipple
The outer wall of 1 first end was connect with the inner thread of upper communicating pipe 5.
Wherein, upper pipe nipple 1 is connected with connection end pipe far from one end of interior connector sleeve 3, can make two by connecting end pipe
Static pressure type bypass packer is cascaded.
Specifically, the first by-pass port 27 is arranged on upper pipe nipple 1, the second by-pass port 28 was arranged on upper communicating pipe 5, and
The outer wall and the outer wall of upper communicating pipe 5 of upper pipe nipple 1 are arranged with outer connector sleeve 2, the outer wall of one end of outer connector sleeve 2 and upper pipe nipple 1
Welding, the other end of outer connector sleeve 2 and upper 5 outer wall of communicating pipe weld, and there are annular spaces between outer connector sleeve 2 and upper connector
Space, so that liquid flows through.
In the optinal plan of the present embodiment, lower connector includes top connection 6, central tube 7, lower contact 22 and lower pipe nipple 23；
Top connection 6, central tube 7, lower contact 22 and lower pipe nipple 23 are successively threadedly coupled from top to bottom.
In the optinal plan of the present embodiment, the outer wall of 7 one end of central tube is connect with the inner thread of top connection 6, central tube 7
The outer wall of the other end is connect with the inner thread of lower contact 22；First pressure transmission hole 25 is located on central tube 7.
Specific lower connector includes top connection 6, lower contact 22, central tube 7 and lower pipe nipple 23, and four from top to bottom successively
It is threadedly coupled.
Wherein, the outer wall of 7 one end of central tube is connect with the inner thread of top connection 6, and the outer wall of 7 other end of central tube is under
The inner thread of connector 22 connects, and central tube 7, the outer wall and 9 spiral shell of hydraulic cylinder of top connection 6 are protruded in top connection 6 and lower contact 22
Line connection, and sealing ring is provided between hydraulic cylinder 9 and top connection 6, the end of lower contact 22 is abutted with packing element 20.
In the optinal plan of the present embodiment, inner connection tube includes upper seal bore 4, bilateral body 8, middle sealing drum 12 and lower sealing
Cylinder 24；Upper seal bore 4, bilateral body 8, middle sealing drum 12 and lower seal cylinder 24 are sequentially connected from top to bottom；Upper seal bore 4 and interior company
It is arranged between female connector 3 and is tightly connected；The outer wall of 8 one end of bilateral body is connect with 7 inner thread of central tube, and the other end and central tube
7 are tightly connected.
In the optinal plan of the present embodiment, the inner wall of 8 one end of bilateral body is connect with the outer wall thread of upper seal bore 4, another
The inner wall at end is connect with the outer wall thread of middle sealing drum 12.
In the optinal plan of the present embodiment, the second pressure transmission hole 26 and bypass passageways 33 are respectively positioned on bilateral body 8, and second passes
Press the axis in hole 26 vertical with the axis of bypass passageways 33；Second pressure transmission hole 26 is not connected to bypass passageways 33；First card slot 29
It is respectively positioned in bilateral body 8 with the second card slot 30.
Specifically, the one end of upper seal bore 4 far from bilateral body 8 and interior connector sleeve 3 are tightly connected, and the first by-pass port
Annular space is formed between communicating pipe 5 and upper seal bore 4 on the-the second by-pass port of annular space 28- between the outer connector sleeve 2 of 27- and interior connector sleeve 3
First cavity.
Wherein, annular space-lower seal cylinder between the middle sealing drum 12 of annular space-and lower contact 22 between middle sealing drum 12 and central tube 7
Annular space forms the second cavity between 24 and lower pipe nipple 23；And bypass passageways 33 are offered on bilateral body 8, bypass passageways 33 can incite somebody to action
First cavity and the connection of the second cavity.
Specifically, the second pressure transmission hole 26 is located on bilateral body 8, and 8 inner wall of bilateral body offers the first card slot 29 and
Two draw-in groove 30, the first card slot 29 and the second card slot 30 can be adapted to switch sleeve 11, when switch sleeve 11 is located at the first card slot 29,
Switch sleeve 11 can cover the second pressure transmission hole 26；When switch sleeve 11 is located at the second card slot 30, the second pressure transmission hole 26 is unimpeded.
Also, the second pressure transmission hole 26 on bilateral body 8 is not connected to mutually with bypass passageways 33.
In the optinal plan of the present embodiment, piston 10 is abutted by thrust sleeve 17 with packing element 20, and piston 10 passes through power transmission set
13 abut with thrust sleeve 17；Seal 14 is provided between power transmission set 13 and central tube 7；Power transmission set 13 connects with 17 screw thread of thrust sleeve
It connects, and is provided with lock ring 16 between power transmission set 13 and thrust sleeve 17,16 inner wall of lock ring is provided with first latching tooth 31, outside central tube 7
Wall is provided with the second latch 32 being adapted to first latching tooth 31, moves to avoid lock ring 16 towards 10 direction of piston.
Specifically, piston 10 is connect by pin with hydraulic cylinder 9, when liquid is from 25 inlet channel hydraulic cylinder 9 of the first pressure transmission hole
After interior, piston 10 will push, so that pin be cut off.Piston 10 pushes power transmission to cover 13 first, and then power transmission set 13, which will push, pushes away
Power set 17, thrust sleeve 17 can oppress packing element 20.
Wherein, it being provided with lock ring 16 between power transmission set 13 and thrust sleeve 17, the inner wall of lock ring 16 is provided with first latching tooth 31,
7 outer wall of central tube is provided with the second latch 32 being adapted to first latching tooth 31, when piston 10 pushes power transmission 13 movement of set, lock ring
16 can move, when staff close push piston 10 move it is hydraulic after, packing element 20 can discharge elastic potential energy, push away at this time
Power set 17 will push 16 counter motion of lock ring, and the first latching tooth 31 on lock ring 16 can be with the second latch of 7 outer wall of central tube at this time
32 abut so that lock ring 16 can not counter motion, guarantee packing element 20 can complete setting work.
Wherein, it is provided with seal 14 between power transmission set 13 and central tube 7, and is provided with two grooves, groove on central tube 7
It is inside provided with snap ring 15, seal 14 is arranged between two snap rings 15, guarantees the tightness between power transmission set 13 and central tube 7.
In the optinal plan of the present embodiment, packing element 20 include first in packing element 18, second packing element 18 and middle packing element 20, the
One side packing element 18 and the second side packing element 18 are arranged in middle 20 upper and lower ends of packing element, first in packing element 18 and second both packing elements 18
Spacer ring 19 is provided between middle packing element 20；First side packing element 18 is abutted by copper umbrella 21 with thrust sleeve 17, the second side packing element
18 are abutted by copper umbrella 21 with lower contact 22.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of static pressure type bypasses packer characterized by comprising upper connector, outer connector sleeve, lower connector, interior connection
Pipe and switch sleeve；
The upper connector outer wall offers the first by-pass port and the second by-pass port, and the outer connector sleeve is set in the upper connection
Pipe is outer, and the outer connector sleeve upper and lower ends are fixedly connected with the upper connector, and the outer connector sleeve covering described first
By-pass port and second by-pass port, so that first by-pass port is connected to second by-pass port；
The lower connector is threadedly coupled with the upper connector, and the lower connector outer wall is successively arranged with hydraulic from top to bottom
Cylinder, piston and packing element, the hydraulic cylinder are fixedly connected with the lower connector, and the piston and lower connector sliding connect
It connects, described packing element one end is abutted with the piston, and the packing element other end is abutted with the lower connector, the lower connector position
The first pressure transmission hole is offered between the cylinder bottom and the piston；
The inner connection tube is threadedly coupled with the lower connector, is offered on the inner connection tube and first pressure transmission hole pair
The second pressure transmission hole answered is provided with the first card slot and the second card slot being adapted to the switch sleeve in the inner connection tube, in institute
When stating switch sleeve and being located at first card slot, the switch sleeve covers second pressure transmission hole, is located in the switch sleeve described
When the second card slot, second pressure transmission hole is unimpeded；
The first cavity is formed between the upper connector and the inner connection tube, between the lower connector and the inner connection tube
The second cavity is formed, the bypass offered on the inner connection tube for being connected to first cavity and second cavity is logical
Road.
2. static pressure type according to claim 1 bypasses packer, which is characterized in that the upper connector include upper pipe nipple,
Interior connector sleeve and upper communicating pipe；
It the upper pipe nipple, the interior connector sleeve and was successively threadedly coupled from top to bottom the upper communicating pipe.
3. static pressure type according to claim 2 bypasses packer, which is characterized in that first by-pass port is located on described
On pipe nipple, second by-pass port was located on the upper communicating pipe.
4. static pressure type according to claim 2 bypasses packer, which is characterized in that the lower connector include top connection,
Central tube, lower contact and lower pipe nipple；
The top connection, the central tube, the lower contact and the lower pipe nipple are successively threadedly coupled from top to bottom.
5. static pressure type according to claim 4 bypasses packer, which is characterized in that the outer wall of described central tube one end and institute
The inner thread connection of top connection is stated, the outer wall of the central tube other end is connect with the inner thread of the lower contact；
First pressure transmission hole is located on the central tube.
6. static pressure type according to claim 4 bypasses packer, which is characterized in that the inner connection tube includes upper sealing
Cylinder, bilateral body, middle sealing drum and lower seal cylinder；
The upper seal bore, the bilateral body, the middle sealing drum and the lower seal cylinder are sequentially connected from top to bottom；
It is arranged between the upper seal bore and the interior connector sleeve and is tightly connected；
The outer wall of bilateral body one end is connect with the central tube inner thread, and the other end and the basepipe seal connect
It connects.
7. static pressure type according to claim 6 bypasses packer, which is characterized in that the inner wall of bilateral body one end and institute
The outer wall thread connection of upper seal bore is stated, the inner wall of the other end is connect with the outer wall thread of the middle sealing drum.
8. static pressure type according to claim 6 bypasses packer, which is characterized in that second pressure transmission hole and the bypass
Channel is respectively positioned on the bilateral body, and the axis of second pressure transmission hole is vertical with the axis of the bypass passageways；
Second pressure transmission hole is not connected to the bypass passageways；
First card slot and second card slot are respectively positioned in the bilateral body.
9. static pressure type according to claim 6 bypasses packer, which is characterized in that the piston by thrust sleeve with it is described
Packing element abuts, and the piston is covered by power transmission to abut with the thrust sleeve；
Seal is provided between the power transmission set and the central tube；
The power transmission set is threadedly coupled with the thrust sleeve, and is provided with lock ring between power transmission set and the thrust sleeve, institute
It states lock ring inner wall and is provided with first latching tooth, the center pipe outer wall is provided with the second latch being adapted to the first latching tooth, with
The lock ring is avoided to move towards the piston direction.
10. static pressure type according to claim 9 bypasses packer, which is characterized in that the packing element include the first side packing element,
Second side packing element and middle packing element, described first in packing element and second, packing element setting is in the middle packing element upper and lower ends, and described the
Spacer ring is provided between both one side packing element and second side packing element and the middle packing element；
First side packing element is abutted by copper umbrella with the thrust sleeve, and second side packing element passes through copper umbrella and the lower contact
It abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070279.7U CN209261525U (en) | 2018-12-10 | 2018-12-10 | Static pressure type bypasses packer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070279.7U CN209261525U (en) | 2018-12-10 | 2018-12-10 | Static pressure type bypasses packer |
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| CN209261525U true CN209261525U (en) | 2019-08-16 |
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| CN201822070279.7U Active CN209261525U (en) | 2018-12-10 | 2018-12-10 | Static pressure type bypasses packer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372463A (en) * | 2018-12-10 | 2019-02-22 | 东营市瑞丰石油技术发展有限责任公司 | Static pressure type bypasses packer |
| CN117722154A (en) * | 2024-02-18 | 2024-03-19 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
-
2018
- 2018-12-10 CN CN201822070279.7U patent/CN209261525U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372463A (en) * | 2018-12-10 | 2019-02-22 | 东营市瑞丰石油技术发展有限责任公司 | Static pressure type bypasses packer |
| CN109372463B (en) * | 2018-12-10 | 2024-05-03 | 东营市瑞丰石油技术发展有限责任公司 | Static pressure bypass packer |
| CN117722154A (en) * | 2024-02-18 | 2024-03-19 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
| CN117722154B (en) * | 2024-02-18 | 2024-04-16 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
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