CN108952640A - Filtering sand apparatus and tubing string - Google Patents
Filtering sand apparatus and tubing string Download PDFInfo
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- CN108952640A CN108952640A CN201810743656.0A CN201810743656A CN108952640A CN 108952640 A CN108952640 A CN 108952640A CN 201810743656 A CN201810743656 A CN 201810743656A CN 108952640 A CN108952640 A CN 108952640A
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- tube body
- screw thread
- filtering sand
- sand apparatus
- ring
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of filtering sand apparatus and tubing strings, are related to technical field of petroleum extraction, and the filtering sand apparatus includes: the tube body with axis, and multiple through-holes are offered on the side wall of the tube body；The guide part extended along axis on tube wall is set；The multiple potsherds in a ring being set in outside the guide part and the tube body；Spacer between the adjacent potsherd is set, and the spacer is arranged on the guide part and makes have prepsetting gap between the adjacent potsherd.The application can be avoided effectively by erosion attack with for a long time suitable for the gas well of high pressure high yield.
Description
Technical field
The present invention relates to technical field of petroleum extraction, in particular to a kind of filtering sand apparatus and tubing string.
Background technique
In the note, gas production process of huge discharge, the formation rock of near wellbore bears biggish alternate stress, this is easy to make
At the phenomenon of shaking out between formation rock, well workover cannot be carried out by work measure after building up due to the gas storage on oil field and remedied,
Therefore sand control measure must be fully considered.But there has been no in the prior art effect preferably and can widely applied sand control arrange
It applies, for example, the gas well in Tarim, Xinjiang oil field and Qinghai Oil Field is more, but the sand control screen punching used in existing gas well
Well damage is lost, the cost of the sand control measures such as fiber composite and high pressure packing is again higher, can not widely be applied.And in the Liaohe River
In oil field, currently used sand control measure is generally also sand control screen, uses steel material, and cavitation erosion resistance can be poor, in high pressure
In high gas rate well, such sand control screen is easy to be damaged by erosion.In conjunction with above situation, need to research and develop a kind of suitable for high pressure high yield
The erosion resistant filtering sand apparatus of gas well.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved is that provide one kind for the embodiment of the present invention
Filtering sand apparatus and tubing string can be avoided effectively by erosion attack with for a long time suitable for the gas well of high pressure high yield.
The specific technical solution of the embodiment of the present invention is:
A kind of filtering sand apparatus, the filtering sand apparatus include:
Tube body with axis offers multiple through-holes on the side wall of the tube body；
The guide part extended along axis on tube wall is set；
The multiple potsherds in a ring being set in outside the guide part and the tube body；
Spacer between the adjacent potsherd is set, and the spacer is arranged on the guide part and makes phase
There is prepsetting gap between the adjacent potsherd.
In a preferred embodiment, the filtering sand apparatus further include: the protective case being set in outside the potsherd,
Multiple through holes are offered on the protective case.
In a preferred embodiment, have on the two sides side wall of the potsherd and matched with the guide part
Embedded division.
In a preferred embodiment, there is notch, the notch is caught in the guide part on the spacer.
In a preferred embodiment, the filtering sand apparatus further include:
It is connected to the top connection of the tube body upper end, the top connection has internal screw thread, and the upper end of the tube body has outer
Screw thread, the internal screw thread of the top connection are connected with the external screw thread of the tube body；
First be set on the tube body adjusts ring, and described first is adjusted between ring and the tube body through screw thread phase
Even, the lower end of the first adjusting ring is for resisting the potsherd；
It is connected to the lower contact of the bottom of the pipe, the lower contact has internal screw thread, and the lower end of the tube body has outer
Screw thread, the internal screw thread of the lower contact are connected with the external screw thread of the tube body；
Second be set on the tube body adjusts ring, and described second is adjusted between ring and the tube body through screw thread phase
Even, the upper end of the second adjusting ring is for resisting the potsherd.
In a preferred embodiment, the top connection lower end has first step, and the first adjusting ring has
The second step that can be matched with the first step can generate movement between the top connection and the first adjusting ring.
In a preferred embodiment, there is external screw thread, the inner wall of the first adjusting ring has on the tube body
Internal screw thread, the external screw thread of the tube body with it is described first adjusting ring internal screw thread be connected, the external screw thread of the tube body with it is described
Between first adjusting ring relative displacement can be generated by rotation.
In a preferred embodiment, the lower contact upper end has third step, and the second adjusting ring has
The 4th step that can be matched with the third step can generate movement between the lower contact and the second adjusting ring.
In a preferred embodiment, there is external screw thread, the inner wall of the second adjusting ring has on the tube body
Internal screw thread, the external screw thread of the tube body with it is described second adjusting ring internal screw thread be connected, the external screw thread of the tube body with it is described
Between second adjusting ring relative displacement can be generated by rotation.
In a preferred embodiment, it is provided with the first pressure cap between the first adjusting ring and the potsherd,
The second pressure cap, one end insertion of the guide part first pressure are provided between the second adjusting ring and the potsherd
The other end of cap, the guide part is inserted into second pressure cap.
A kind of tubing string, the tubing string include: hanger；It is connected to the packer of the hanger lower end；It is connected to described
Packer lower end such as any of the above-described filtering sand apparatus；Silk plug for being blocked to the filtering sand apparatus lower end.
Technical solution of the present invention have it is following significant the utility model has the advantages that
Filtering sand apparatus in the application pass through the spacer that is arranged between adjacent ceramic piece with adjust adjacent ceramic piece it
Between have prepsetting gap, the prepsetting gap have filter effect, can by blocking diameter be more than prepsetting gap sand grains pass through
Potsherd.It is disposed with multiple potsherds on tube body, can play a role in filtering between each adjacent two potsherd, so
The area of passage of entire filtering sand apparatus can be increased, guarantee filter efficiency.It eventually passes through the filtered fluid of potsherd and passes through pipe
Through-hole on body flows into tubular body, to acquire.In addition, the filtering sand apparatus in the application primarily serves the component of filtration
Using potsherd, hardness is higher, high temperature resistant, and wearability is much better than conventional stainless steel, thus its erosive wear resistance compared with
It is good, can long-term work under conditions of high temperature and pressure, to meet requirement.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.For a kind of reality
The feature that the mode of applying is described and/or shown can be made in one or more other embodiments in a manner of same or similar
With, be combined with the feature in other embodiment, or substitution other embodiment in feature.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention 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 of the present invention, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
Implement the present invention to select various possible shapes and proportional sizes as the case may be.
Fig. 1 is the structural schematic diagram of the filtering sand apparatus in the embodiment of the present invention.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the enlarged drawing in Fig. 1 at B.
Fig. 4 is the structural schematic diagram of potsherd in the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of spacers of the embodiment of the present invention.
The appended drawing reference of the figures above:
1, tube body；11, through-hole；2, guide part；3, potsherd；31, embedded division；32, recess；4, spacer；41, it lacks
Mouthful；5, protective case；51, through hole；6, top connection；61, first step；7, lower contact；71, third step；8, first ring is adjusted；
81, second step；9, second ring is adjusted；91, the 4th step；10, the first pressure cap；12, the second pressure cap.
Specific embodiment
With reference to the drawings and the description of the specific embodiments of the present invention, details of the invention can clearly be understood.But
It is the specific embodiment of invention described herein, purpose for explaining only the invention, and cannot understand in any way
At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being set to " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.Term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, are also possible to inside two elements
Connection, can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can be understood as the case may be.Term as used herein " vertical ", " horizontal ",
"upper", "lower", "left", "right" 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.
In order to effectively avoid by erosion attack suitable for the gas well of high pressure high yield, to mention in this application for a long time
A kind of filtering sand apparatus is gone out, Fig. 1 is the structural schematic diagram of the filtering sand apparatus in the embodiment of the present invention, and Fig. 2 is putting at A in Fig. 1
Big figure, as depicted in figs. 1 and 2, filtering sand apparatus may include: the tube body 1 with axis, offer on the side wall of tube body 1 multiple
Through-hole 11；The guide part 2 extended along axis on 1 side wall of tube body is set；Be set in outside guide part 2 and tube body 1 multiple is in
The potsherd 3 of annular；Spacer 4 between adjacent ceramic piece 3 is set, and spacer 4 is arranged on guide part 2 and makes adjacent
There is prepsetting gap between potsherd 3.
Filtering sand apparatus in the application passes through the spacer 4 being arranged between adjacent ceramic piece 3 to adjust adjacent ceramic piece 3
Between have prepsetting gap, the prepsetting gap have filter effect, can by blocking diameter be more than prepsetting gap sand grains lead to
Cross potsherd 3.It is disposed with multiple potsherds 3 on tube body 1, filtering can be played between each adjacent two potsherd 3 and is made
With can so increase the area of passage of entire filtering sand apparatus, guarantee filter efficiency.Eventually pass through the filtered stream of potsherd 3
Body is flowed into inside tube body 1 by the through-hole 11 on tube body 1, to acquire.In addition, the filtering sand apparatus in the application primarily served
The component of filter effect is using potsherd 3, and hardness is higher, high temperature resistant, and wearability is much better than conventional stainless steel, therefore its
Erosive wear resistance is preferable, can long-term work under conditions of high temperature and pressure, to meet requirement.
In order to be better understood by the filtering sand apparatus in the application, it will be further explained and will be illustrated below.Such as
Shown in Fig. 1, tube body 1 extends in the axial direction, and with top and bottom, multiple through-holes 11 are offered on the side wall of tube body 1,
The through-hole 11 is for enabling the inside for flowing into tube body 1 from the outside of tube body 1 by the filtered fluid of potsherd 3.
As depicted in figs. 1 and 2, guide part 2 can extend in the axial direction, be arranged on the side wall of tube body 1, guide part
2 main function is for spacer 4 to be fixed spacer 4 to be successively set on guide part 2.It is specific and
Speech, guide part 2 can be in elongated rod-shaped, and both ends are kept fixed with respect to tube body 1.Guide part 2 can be multiple, around
The circumferential array of tube body 1 is arranged.
As shown in Fig. 2, multiple roughly annular potsherds 3 are set in outside guide part 2 and tube body 1, spacer 4 is then arranged
Between adjacent ceramic piece 3.Specifically, Fig. 4 is the structural schematic diagram of potsherd in the embodiment of the present invention, as shown in figure 4, pottery
There is recess 32, which matches with guide part 2, when potsherd 3 is set in 2 He of guide part on the inner wall of tile 3
When tube body 1 is outer, recess 32 is caught in guide part 2, and potsherd 3 can so be made to be close to 1 phase of tube body, prevents potsherd 3 easy
It damages.Similarly, Fig. 5 is the structural schematic diagram of spacers of the embodiment of the present invention, is lacked as shown in figure 5, having on spacer 4
Mouth 41, so that notch 41 is caught in guide part 2.Spacer 4 and potsherd 3 can be made to be arranged in guide part 2 through the above way
On, to position to spacer 4 and potsherd 3, prevent spacer 4 and potsherd 3 from arbitrarily rotating.In a kind of preferred reality
It applies in mode, as shown in figure 4, can have the embedded division 31 matched with guide part 2 on the two sides side wall of potsherd 3.When
When spacing body 4 is arranged between adjacent ceramic piece 3, the embedded division 31 of the potsherd 3 for being partially submerged into side of the side of spacer 4,
The thickness of the embedded division 31 of the potsherd 3 for being partially submerged into the other side of the other side of spacer 4, entire spacer 4 is greater than two sides
The summation of the thickness of the embedded division 31 of potsherd 3, so that the prepsetting gap formed between adjacent ceramic piece 3 is greater than zero.It is logical
The thickness for overregulating spacer 4 can achieve the purpose for adjusting prepsetting gap size.Likewise, being arranged between adjacent ceramic piece 3
Spacer 4 can be to be multiple, quantity can be identical as the quantity of guide part 2, so, it is ensured that adjacent ceramic piece 3 is not
With the accuracy of the prepsetting gap at position.
In a preferred embodiment, as shown in Figure 1, filtering sand apparatus can also include: to be set in outside potsherd 3
Protective case 5 offers multiple through holes 51 on protective case 5.Protective case 5 can be made of flexible material or anti-erosion material,
The protective effect to potsherd 3 is played, prevents filtering sand apparatus from encountering collision in lower going-into-well and damaging to potsherd 3.It protects
The through hole 51 of sheath 5 is used to for external fluid to be directed into internal potsherd 3, so that potsherd 3 can carry out fluid
Filtering.
In a preferred embodiment, Fig. 3 is the enlarged drawing in Fig. 1 at B, as shown in figures 1 and 3, filtering sand apparatus
It can also include: the top connection 6 for being connected to 1 upper end of tube body, top connection 6 has internal screw thread, and the upper end of tube body 1 has external screw thread,
The internal screw thread of top connection 6 is connected with the external screw thread of tube body 1；Be set on tube body 1 first adjust ring 8, first adjust ring 8 with
It is connected between tube body 1 by screw thread, the lower end of the first adjusting ring 8 is for resisting potsherd 3；It is connected under 1 lower end of tube body and connects
First 7, lower contact 7 has internal screw thread, and the lower end of tube body 1 has external screw thread, the external screw thread phase of the internal screw thread and tube body 1 of lower contact 7
Connection；Second be set on tube body 1 adjusts ring 9, is connected between the second adjusting ring 9 and tube body 1 by screw thread, and second adjusts ring
9 upper end is for resisting potsherd 3.
In said structure, due to being connected between the first adjusting ring 8 and tube body 1 by screw thread, second adjusts ring 9 and tube body
It is connected between 1 by screw thread, therefore, when needing to adjust the spacing between the first adjusting ring 8 and the second adjusting ring 9, it is only necessary to
It turns the first adjusting ring 8 and/or second and adjusts ring 9.Between adjusting between the first adjusting ring 8 and the second adjusting ring 9
Away from, can make the first adjusting ring 8 and the second adjusting ring 9 to the potsherd 3 and spacer 4 that are located between the two carry out limit and
Tightening, to guarantee that potsherd 3 does not collide with loosely during going into the well, prevents 3 surface of potsherd cracked.
Specifically, first adjusting ring 8 has can be with first as shown in figure 3,6 lower end of top connection has first step 61
Step 61 matches second step 81, so that can generate movement between top connection 6 and the first adjusting ring 8.Similarly, it is connect under
First 7 upper end has a third step 71, and the second adjusting ring 9 has and can match the 4th step 91 with third step 71, lower contact 7 with
Movement can be generated between second adjusting ring 9.
As shown in figure 3, having external screw thread on tube body 1, the first inner wall for adjusting ring 8 has internal screw thread, the outer spiral shell of tube body 1
Line is connected with the internal screw thread of the first adjusting ring 8, can be generated by rotation between the external screw thread of tube body 1 and the first adjusting ring 8
Relative displacement.Similarly, there is external screw thread, the second inner wall for adjusting ring 9 has internal screw thread, the external screw thread of tube body 1 and the on tube body 1
The internal screw thread of two adjusting rings 9 is connected, and can generate opposite position between the external screw thread of tube body 1 and the second adjusting ring 9 by rotation
It moves.
In a preferred embodiment, as shown in figure 3, being provided with the first pressure between the first adjusting ring 8 and potsherd 3
Cap 10, is provided with the second pressure cap 12 between the second adjusting ring 9 and potsherd 3, one end of guide part 2 is inserted into the first pressure cap 10, is led
The second pressure cap 12 is inserted into the other end of part 2.Specifically, the side wall in the first pressure cap 10 towards potsherd 3 offers at least
One jack, the jack can be in circumferentially distributed.At least one is offered in the side wall of the second pressure cap 12 towards potsherd 3 to insert
Hole, the jack can be in circumferentially distributed.The jack of the first pressure cap 10, the other end insertion of guide part 2 are inserted into one end of guide part 2
The jack of second pressure cap 12 so realizes fixation and positioning to guide part 2.
It also proposed a kind of tubing string in this application, which may include: hanger；It is connected to the envelope of hanger lower end
Every device；Be connected to packer lower end such as any of the above-described filtering sand apparatus；Silk plug for being blocked to filtering sand apparatus lower end.
In use, the tubing string with oil pipe tripping in oil reservoir, is given up to design position and pitching is suppressed to make packer setting.The tubing string
During normal production, the outer liquid of tubing string successively passes through protective case 5, potsherd 3, base tube and flow in pipe, and partial size is greater than adjacent ceramic
The gravel of prepsetting gap can be blocked in outside pipe between piece 3, to complete sand control purpose.
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 mentioned by single integrated component, ingredient, component or step
For.Alternatively, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation
Suddenly.For describe the open "a" or "an" of element, ingredient, component or step do not say in order to exclude other elements, at
Point, component or step.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.Above-described embodiment is only
Illustrate technical concepts and features of the invention, its object is to those skilled in the art can understand the contents of the present invention
And implement accordingly, it is not intended to limit the scope of the present invention.Equivalence changes made by all Spirit Essences according to the present invention
Or modification, it should be covered by the protection scope of the present invention.
Claims (11)
1. a kind of filtering sand apparatus, which is characterized in that the filtering sand apparatus includes:
Tube body with axis offers multiple through-holes on the side wall of the tube body；
The guide part extended along axis on tube wall is set；
The multiple potsherds in a ring being set in outside the guide part and the tube body；
Spacer between the adjacent potsherd is set, and the spacer is arranged on the guide part and makes adjacent institute
Stating has prepsetting gap between potsherd.
2. filtering sand apparatus according to claim 1, which is characterized in that the filtering sand apparatus further include: be set in the pottery
Protective case outside tile offers multiple through holes on the protective case.
3. filtering sand apparatus according to claim 1, which is characterized in that on the two sides side wall of the potsherd have with it is described
The embedded division that guide part matches.
4. filtering sand apparatus according to claim 1, which is characterized in that have notch, the notch card on the spacer
Enter the guide part.
5. filtering sand apparatus according to claim 1, which is characterized in that the filtering sand apparatus further include:
It is connected to the top connection of the tube body upper end, the top connection has internal screw thread, and the upper end of the tube body has external screw thread,
The internal screw thread of the top connection is connected with the external screw thread of the tube body；
First be set on the tube body adjusts ring, is connected between the first adjusting ring and the tube body by screw thread, institute
The lower end of the first adjusting ring is stated for resisting the potsherd；
It is connected to the lower contact of the bottom of the pipe, the lower contact has internal screw thread, and the lower end of the tube body has external screw thread,
The internal screw thread of the lower contact is connected with the external screw thread of the tube body；
Second be set on the tube body adjusts ring, is connected between the second adjusting ring and the tube body by screw thread, institute
The upper end of the second adjusting ring is stated for resisting the potsherd.
6. filtering sand apparatus according to claim 5, which is characterized in that the top connection lower end has first step, described
First adjusting ring has the second step that can be matched with the first step, and the top connection and described first are adjusted between ring
Movement can be generated.
7. filtering sand apparatus according to claim 5, which is characterized in that there is external screw thread, described first adjusts on the tube body
The inner wall for saving ring has internal screw thread, and the external screw thread of the tube body is connected with the internal screw thread of the first adjusting ring, the tube body
External screw thread and it is described first adjust ring between can pass through rotation generate relative displacement.
8. filtering sand apparatus according to claim 5, which is characterized in that the lower contact upper end has third step, described
Second adjusting ring has the 4th step that can be matched with the third step, and the lower contact and described second are adjusted between ring
Movement can be generated.
9. filtering sand apparatus according to claim 5, which is characterized in that there is external screw thread, described second adjusts on the tube body
The inner wall for saving ring has internal screw thread, and the external screw thread of the tube body is connected with the internal screw thread of the second adjusting ring, the tube body
External screw thread and it is described second adjust ring between can pass through rotation generate relative displacement.
10. filtering sand apparatus according to claim 5, which is characterized in that described first is adjusted between ring and the potsherd
It is provided with the first pressure cap, is provided with the second pressure cap, one end of the guide part between the second adjusting ring and the potsherd
It is inserted into first pressure cap, the other end of the guide part is inserted into second pressure cap.
11. a kind of tubing string, which is characterized in that the tubing string includes: hanger；It is connected to the packer of the hanger lower end；
It is connected to the filtering sand apparatus as described in any in claims 1 to 10 of the packer lower end；For to the filtering sand apparatus
The silk plug that lower end is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743656.0A CN108952640B (en) | 2018-07-09 | 2018-07-09 | Sand filtering device and tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743656.0A CN108952640B (en) | 2018-07-09 | 2018-07-09 | Sand filtering device and tubular column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952640A true CN108952640A (en) | 2018-12-07 |
| CN108952640B CN108952640B (en) | 2021-01-01 |
Family
ID=64482374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810743656.0A Active CN108952640B (en) | 2018-07-09 | 2018-07-09 | Sand filtering device and tubular column |
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| Country | Link |
|---|---|
| CN (1) | CN108952640B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771829A (en) * | 1987-12-30 | 1988-09-20 | Sparlin Derry D | Well liner with selective isolation screen |
| CN2506769Y (en) * | 2001-07-27 | 2002-08-21 | 郑碧锁 | Screen casing type ceramic sand filtering pipe |
| WO2006059181A1 (en) * | 2004-12-03 | 2006-06-08 | Mario Rescia | Stop-sand liner hanger assembly for water wells |
| CN102822444A (en) * | 2010-03-31 | 2012-12-12 | Esk陶瓷有限及两合公司 | Wear-resistant separating device for removing sand and rock particles |
| CN203655242U (en) * | 2013-11-01 | 2014-06-18 | 中国石油化工股份有限公司 | Water-plugging deep-pumping integrated pipe column |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
| CN106468159A (en) * | 2015-08-21 | 2017-03-01 | 中国石油化工股份有限公司 | Silicon nitride ceramics sand screen |
| CN206053915U (en) * | 2016-09-09 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of through hole geo-polymer sand screen |
-
2018
- 2018-07-09 CN CN201810743656.0A patent/CN108952640B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771829A (en) * | 1987-12-30 | 1988-09-20 | Sparlin Derry D | Well liner with selective isolation screen |
| CN2506769Y (en) * | 2001-07-27 | 2002-08-21 | 郑碧锁 | Screen casing type ceramic sand filtering pipe |
| WO2006059181A1 (en) * | 2004-12-03 | 2006-06-08 | Mario Rescia | Stop-sand liner hanger assembly for water wells |
| CN102822444A (en) * | 2010-03-31 | 2012-12-12 | Esk陶瓷有限及两合公司 | Wear-resistant separating device for removing sand and rock particles |
| CN203655242U (en) * | 2013-11-01 | 2014-06-18 | 中国石油化工股份有限公司 | Water-plugging deep-pumping integrated pipe column |
| CN106468159A (en) * | 2015-08-21 | 2017-03-01 | 中国石油化工股份有限公司 | Silicon nitride ceramics sand screen |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
| CN206053915U (en) * | 2016-09-09 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of through hole geo-polymer sand screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108952640B (en) | 2021-01-01 |
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