CN208473774U - Ballast packer and its tubing string - Google Patents
Ballast packer and its tubing string Download PDFInfo
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- CN208473774U CN208473774U CN201820817955.XU CN201820817955U CN208473774U CN 208473774 U CN208473774 U CN 208473774U CN 201820817955 U CN201820817955 U CN 201820817955U CN 208473774 U CN208473774 U CN 208473774U
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- packer
- ballast
- central tube
- tube
- baffle
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Abstract
This application provides a kind of ballast packer and its tubing string, which includes: central tube, packing element, pressure cap, connector and lower contact.Central tube extends along longitudinally.Packing element is set in outside the central tube.Pressure cap is set in outside the central tube, and is abutted against with the upper end of the packing element, the pressure cap and the central tube Joint.Connector is set in outside the central tube, and is abutted against with the lower end of the packing element, and the connector is connected by pin with the central tube.Lower contact and the connector Joint, the lower contact are equipped with boss portion, and the boss portion can be abutted against with the central tube.When in use, the ballast packer of the application needs that anchor packer is cooperated to use the ballast packer of the application, implements more than 120 wells at the scene, construction success rate 100% sets, seals, unseals reliable performance.
Description
Technical field
The application belongs to technical field of petroleum extraction, and in particular to a kind of ballast packer and its tubing string.
Background technique
Currently, in some thick oil thermal extractions, it will usually using the other component in hanger cooperation pit shaft come to viscous crude
It is exploited.However hanger long-time uses and often will appear the phenomenon that damage.And packer further progress card is utilized to seal
Leak stopping may be implemented to the closure at hanger.
And then in order to meet certain submergence in pit shaft, oil well pump needs the lower card envelope section to packer hereinafter, still
After existing packer setting, oil well pump cannot pass through packer and be lowered into target position.
Utility model content
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of ballasts
The closure of interlayer may be implemented in packer and its tubing string, can satisfy passing through for oil well pump or other flow strings.
The specific technical solution of the utility model is:
The utility model provides a kind of ballast packer, comprising:
The central tube that lengthwise extends；
Packing element is set in outside the central tube；
Pressure cap is set in outside the central tube, and is abutted against with the upper end of the packing element, the pressure cap and the center
Pipe Joint；
Connector is set in outside the central tube, and is abutted against with the lower end of the packing element, and the connector passes through pin
Nail is connected with the central tube；
Lower contact, and the connector Joint, the lower contact are equipped with boss portion, the boss portion can with it is described in
Heart pipe abuts against.
In one preferred embodiment, there is one section between the central tube and the boss portion and sets distance, institute
Stating and setting distance is 120 millimeters.
In one preferred embodiment, the ballast packer further includes the first top connection, the central tube and institute
Pressure cap is stated to be connected by first top connection.
In one preferred embodiment, the packing element is multiple, is provided with baffle ring between the adjacent packing element.
In one preferred embodiment, the cutting load of the pin is 5-6 tons.
In one preferred embodiment, sealing ring is provided between the lower contact and the connector.
In one preferred embodiment, sealing ring is provided between the central tube and the pressure cap.
In addition, the application also provides a kind of tubing string, with ballast packer described in any of the above embodiments, the tubing string is certainly
Water layer and oil reservoir are sequentially passed through under above, comprising:
Casing；
Baffle is set in described sleeve pipe, and the top of the water layer is arranged in, and the lower end of the baffle is successively
It is connected with ballast packer and anchor packer, the ballast packer setting is in the top of the water layer, the slips packing
Device is set in the lower section of the water layer, to insulate the water layer；
The lower end of the anchor packer is arranged in oil well pump.
In one preferred embodiment, the baffle includes:
Outer tube offers the through-hole for penetrating through the outer tube wall on the outer tube, so that thin oil is from the baffle and institute
The first annular space for stating casing formation flows into the outer tube；
Inner tube is set in the outer tube, and forms the second annular space with the outer tube, so as to flow into the outer tube
Interior thin oil flows out the baffle from second annular space, and the lower end of said inner tube is connected with oil well pump, so that thick
Oil is lifted to ground by said inner tube.
In one preferred embodiment, the baffle includes be arranged in above the outer tube and said inner tube
Two top connections, second top connection upper end are connected with oil pipe, and lower end is connected and is connected to said inner tube.
In one preferred embodiment, the baffle further includes jointing, described in the jointing connection
Second top connection and the outer tube.
In one preferred embodiment, the oil well pump is opposite with the position of the oil reservoir.
By above technical solution, the beneficial effects of the present application are as follows: the ballast packer of the application needs to cooperate card
Watt packer uses, and implements more than 120 wells at the scene, construction success rate 100% sets, seals, unseals reliable performance.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the ballast packer of the application embodiment；
Fig. 2 is the structural schematic diagram of the tubing string with ballast packer of the application embodiment；
Fig. 3 is the structural schematic diagram of the baffle of the application embodiment.
The appended drawing reference of the figures above: 1, ballast packer；2, central tube；3, packing element；4, pressure cap；5, connector；6, it sells
Nail；7, lower contact；71, boss portion；8, baffle ring；9, sealing ring；10, water layer；11, casing；12, baffle；13, slips insulates
Device；14, oil well pump；15, outer tube；151, through-hole；16, first annular space；17, inner tube；18, the second annular space；19, second
Top connection；20, oil reservoir；21, jointing；22, the first top connection
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, the application provides a kind of ballast packer 1, the ballast packer 1 include: central tube 2, packing element 3,
Pressure cap 4, connector 5 and lower contact 7.Central tube 2 extends along longitudinally.Packing element 3 is set in outside the central tube 2.Pressure cap
4 are set in outside the central tube 2, and abut against with the upper end of the packing element 3, the pressure cap 4 and 2 Joint of central tube.
Connector 5 is set in outside the central tube 2, and is abutted against with the lower end of the packing element 3, and the connector 5 passes through pin 6 and institute
Central tube 2 is stated to be connected.Lower contact 7 and 5 Joint of connector, the lower contact 7 are equipped with boss portion 71, the boss portion
71 can abut against with the central tube 2.
The ballast packer 1 of the application when in use, needs that anchor packer 13 is cooperated to use, such as Y221/211 packing
Device.Then the lower lower part to the ballast packer 1 of anchor packer 13 can usually be insulated in ballast packer 1 and slips
It is leak source between device 13.Then anchor packer 13 can be first set by after tubing string tripping in target position, forms branch in lower part
After point, 8-10 tons of ballast are further continued for, ballast packer 1 is set.After the ballast packer 1 is by ballast, on central tube 2, first
Connector 22 and the meeting slide downward of pressure cap 4, and the connector 5 of 3 lower end of packing element with 7 Joint of lower contact due to that can remain stationary.
In the process, pressure cap 4 can gradually squeeze the packing element 3 of its lower end, make 3 compressive deformation of packing element, until central tube 2 and lower contact 7
On boss portion 71 abut against, and then complete setting for ballast packer 1.When needing to unseal, upper lifting pipe post is only needed.
The ballast packer 1 of the application implements more than 120 wells time at the scene, construction success rate 100%, set, seal, solve sealing property can
It leans on.
In the present embodiment, central tube 2 is generally cylindrical, can extend along longitudinally.Central tube 2 connects oil
Guan Hou needs, there can be no hard angle the problems such as completely the same with the internal diameter of oil pipe, influences the tripping in of flow string and smoothly logical
It crosses.It can be arranged with packing element 3 outside central tube 2, pressure cap 4 can have been abutted in the upper end of packing element 3, which can pass through
One top connection 22 and 2 Joint of central tube.Preferably, sealing ring can be set between the pressure cap 4 and the central tube 2.
Specifically, the first top connection 22 can have external screw thread and internal screw thread, and external screw thread can connect with 4 screw thread of pressure cap
It connects, internal screw thread can be threadedly coupled with central tube 2.It can be abutted against with connector 5 in the lower end of packing element 3.The connector 5 can be with
By screw thread and 7 Joint of lower contact, connector 5 can be kept motionless in this way, so that packing element 3 is set by the compression of pressure cap 4.Preferably
Sealing ring 9 has can be set between the connector 5 and the lower contact 7 in ground.The connector 5 can by pin 6 with it is described
Central tube 2 is connected, and sets pressure with keep the ballast packer 1.Specifically, the cutting load of the pin 6 can be
5-6 tons.
Further, boss portion 71 can be set in lower contact 7, which can abut against with central tube 2.
The central tube 2 can have one section to set distance between the boss portion 71, and the distance that sets preferably can be for 120 in the least
Rice.When the ballast packer 1 is not set, the lower end of the central tube 2 can be kept with the boss portion 71 it is certain set away from
From.After the ballast packer 1 is set, the lower end of the central tube 2 is abutted against with the boss portion 71, to prevent packing element 3 from being pressed
Weight is bad.
Preferably, the packing element 3 can be to be multiple, particular number can be rationally arranged according to actual needs, this Shen
Please this is not intended to be limited in any, for example the quantity of packing element 3 can for two, three, it is even more.It should be noted that working as glue
When cylinder 3 is multiple, baffle ring 8 can be set between adjacent packing element 3, set with transmitting pressure auxiliary packing element 3.
In addition, referring to attached drawing 2, the application also provides a kind of tubing string, insulates with ballast described in any of the above embodiments
Device 1, the tubing string sequentially pass through water layer 10 and oil reservoir 20 from top to bottom, the tubing string may include: casing 11, baffle 12, with
And oil well pump 14.Baffle 12 is set in described sleeve pipe 11, and the top of the water layer 10 is arranged in, the baffle 12
Lower end is connected with ballast packer 1 and anchor packer 13 in turn, and the ballast packer 1 is set in the upper of the water layer 10
Side, the anchor packer 13 is set in the lower section of the water layer 10, to insulate the water layer 10.Oil well pump 14 is arranged described
The lower end of anchor packer 13.
Attached drawing 3 is referred to, the baffle 12 may include: outer tube 15 and inner tube 17.It offers and passes through on the outer tube 15
Lead to the through-hole 151 of 15 side wall of outer tube, so that the first annular sky that thin oil is formed from the baffle 12 with described sleeve pipe 11
Between 16 flow into the outer tubes 15.Inner tube 17 is set in the outer tube 15, and forms the second annular space with the outer tube 15
18, so that the thin oil flowed into the outer tube 15 flows out the baffle 12, said inner tube 17 from second annular space 18
Lower end be connected with oil well pump 14 so that viscous crude is lifted to ground by said inner tube 17.
Baffle 12 when in use, can be set in the inside of casing 11, which can be with 11 shape of casing
At first annular space 16, thin oil then can be injected into the first annular space 16, thin oil can pass through baffle 12
Outer tube 15 enters in the second annular space 18 between outer tube 15 and inner tube 17, flows downward out the water conservancy diversion from the second annular space 18
It in body 12 to casing 11, is mixed with the viscous crude in casing 11, to be diluted to viscous crude, to reduce the viscosity of viscous crude.This is led
Fluid 12 can form double pipe structure, provide flow channels for mixing light oil, and the viscosity of viscous crude can be reduced by thin oil, extend inspection
Pump the period.
In the present embodiment, outer tube 15 extends along longitudinally, and through-hole 151 can be provided on the side wall of outer tube 15,
And it penetrates through to the inside of outer tube 15.Preferably, the through-hole 151 can be arranged in the shape of a spiral on the outer tube 15, and it is counted
Amount is usually less than equal to 18, in this way, while meeting thin oil area of passage, it is ensured that do not influence the intensity of outer tube 15.
Inner tube 17 can be set in the inside of outer tube 15, and form the second annular space 18, second ring with outer tube 15
Effective area of passage in shape space 18 is typically greater than 20 square millimeters, to guarantee that the thin oil of incorporation can pass through.Inner tube
17 upper end can be connected and be connected to the second top connection 19, specifically, the internal screw thread of second top connection 19 can with it is interior
The external screw thread of pipe 17 is threadedly coupled, and the inside of inner tube 17 can be connected with the inside of the second top connection 19.Second top connection 19
External screw thread can be connected by jointing 21 with outer tube 15.The lower end of inner tube 17 can be connected with oil well pump 14, into
And the crude oil for producing oil well pump 14 flows to ground from the inner tube 17 of baffle 12 and produces.The oil well pump 14 can be with the oil
The position of layer 20 is opposite, to facilitate oil well pump 14 to aspirate the viscous crude in oil reservoir 20.
It should be noted that the first top connection 22 provided in this embodiment, the second top connection 19, lower contact 7, pin 6 etc.
Any appropriate existing construction can be selected.To be clearly briefly described technical solution provided by the present embodiment, herein will not
Above-mentioned part is repeated again, Figure of description has also carried out corresponding simplification.However, it should be understood that the present embodiment is in range
Therefore it is not restricted.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
Claims (12)
1. a kind of ballast packer characterized by comprising
The central tube that lengthwise extends；
Packing element is set in outside the central tube；
Pressure cap is set in outside the central tube, and is abutted against with the upper end of the packing element, the pressure cap and the central tube phase
It is affixed；
Connector is set in outside the central tube, and is abutted against with the lower end of the packing element, the connector by pin with
The central tube is connected；
Lower contact, with the connector Joint, the lower contact is equipped with boss portion, and the boss portion can be with the central tube
It abuts against.
2. ballast packer according to claim 1, which is characterized in that have between the central tube and the boss portion
One section sets distance, and the distance that sets is 120 millimeters.
3. ballast packer according to claim 1, which is characterized in that the ballast packer further includes connecing on first
Head, the central tube and the pressure cap are connected by first top connection.
4. ballast packer according to claim 1, which is characterized in that the packing element be it is multiple, the adjacent packing element it
Between be provided with baffle ring.
5. ballast packer according to claim 1, which is characterized in that the cutting load of the pin is 5-6 tons.
6. ballast packer according to claim 1, which is characterized in that be arranged between the lower contact and the connector
There is sealing ring.
7. ballast packer according to claim 1, which is characterized in that be provided between the central tube and the pressure cap
Sealing ring.
8. a kind of tubing string, with ballast packer described in any one of the claims, the tubing string from top to bottom according to
It is secondary to pass through water layer and oil reservoir characterized by comprising
Casing；
Baffle is set in described sleeve pipe, and the top of the water layer is arranged in, and the lower end of the baffle is sequentially connected
There are ballast packer and anchor packer, the ballast packer setting is sat in the top of the water layer, the anchor packer
It is enclosed in the lower section of the water layer, to insulate the water layer；
The lower end of the anchor packer is arranged in oil well pump.
9. tubing string according to claim 8, which is characterized in that the baffle includes:
Outer tube offers the through-hole for penetrating through the outer tube wall on the outer tube, so that thin oil is from the baffle and the set
The first annular space that pipe is formed flows into the outer tube；
Inner tube is set in the outer tube, and forms the second annular space with the outer tube, so as to flow into the outer tube
Thin oil flows out the baffle from second annular space, and the lower end of said inner tube is connected with oil well pump, so that viscous crude passes through
It crosses said inner tube and is lifted to ground.
10. tubing string according to claim 9, which is characterized in that the baffle includes setting in the outer tube and described
The second top connection above inner tube, second top connection upper end are connected with oil pipe, and lower end is connected and connects with said inner tube
It is logical.
11. tubing string according to claim 10, which is characterized in that the baffle further includes jointing, the connection
Connector connects second top connection and the outer tube.
12. tubing string according to claim 8, which is characterized in that the oil well pump is opposite with the position of the oil reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817955.XU CN208473774U (en) | 2018-05-29 | 2018-05-29 | Ballast packer and its tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817955.XU CN208473774U (en) | 2018-05-29 | 2018-05-29 | Ballast packer and its tubing string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473774U true CN208473774U (en) | 2019-02-05 |
Family
ID=65219171
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820817955.XU Active CN208473774U (en) | 2018-05-29 | 2018-05-29 | Ballast packer and its tubing string |
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| CN (1) | CN208473774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630210A (en) * | 2019-10-16 | 2019-12-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Loess layer leakage-proof plugging tool and use method thereof |
-
2018
- 2018-05-29 CN CN201820817955.XU patent/CN208473774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630210A (en) * | 2019-10-16 | 2019-12-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Loess layer leakage-proof plugging tool and use method thereof |
| CN110630210B (en) * | 2019-10-16 | 2023-12-01 | 中国石油天然气集团有限公司 | Leakage-proof plugging tool for yellow soil layer and using method thereof |
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