CN108716389A - Valve plate type washes down packing tool - Google Patents
Valve plate type washes down packing tool Download PDFInfo
- Publication number
- CN108716389A CN108716389A CN201810945733.0A CN201810945733A CN108716389A CN 108716389 A CN108716389 A CN 108716389A CN 201810945733 A CN201810945733 A CN 201810945733A CN 108716389 A CN108716389 A CN 108716389A
- Authority
- CN
- China
- Prior art keywords
- sealing
- valve plate
- valve body
- retrofilling
- tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012856 packing Methods 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 121
- 238000004080 punching Methods 0.000 claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/10—Setting of casings, screens, liners or the like in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Abstract
The present invention relates to completion technique fields, are related to the punching of valve plate type side and become retrofilling tool.It includes sealing drum, valve body, filling cylinder, syringe pipe and sealing plug that the punching of valve plate type side, which becomes retrofilling tool,.When tubing string tripping in is hampered, pushes the circulation canal formed after valve plate open by sealing plug and realize washing down for tubing string, the sand of tubing string bottom is washed out into ground, makes tubing string smoothly down toward designated position；Then it puts into steel ball and carries out suppressing test tightness, then proceed to suppress, cut ball seat, expose filling mouth, carry out filling operation, after the completion of filling, propose that sealing plug, valve plate reset under the action of reseting elasticity part, ensure sealing.Setting in this way improves working efficiency.
Description
Technical field
The present invention relates to completion technique fields, are rushed in particular to valve plate type side and become retrofilling tool.
Background technology
Formation sand production is that the significant problem faced in unconsolidated reservoir recovery process needs the serious oil-water well that shakes out
Sand control treatment is carried out, but problem not in place under sand control equipment is hampered often occurs.
Therefore it provides a kind of make tubing string smoothly rush change retrofilling tool down toward the valve plate type side of designated position as this field
Technical staff's important technological problems to be solved.
Invention content
The purpose of the present invention is to provide a kind of valve plate type side rush become retrofilling tool, with alleviate in the prior art tubing string without
The technical issues of method is down toward designated position.
An embodiment of the present invention provides a kind of valve plate type side rush become retrofilling tool, including sealing drum, valve body, filling cylinder,
Syringe pipe and sealing plug；
The sealing drum, the valve body, the filling cylinder and the syringe pipe are sequentially connected；
The sealing plug is plugged in the sealing drum and the valve body, and the sealing drum is sealed with the sealing plug
Connection；
Valve seat, valve plate and reseting elasticity part are provided in the valve body, the valve plate passes through the reseting elasticity part and institute
It is hinged to state valve seat；
Filling mouth is offered on the filling cylinder, and ball seat is connected at the filling mouth.
The first possible embodiment provided in an embodiment of the present invention, wherein the outer diameter of above-mentioned sealing plug is not more than
The internal diameter of the valve seat.
Second of possible embodiment provided in an embodiment of the present invention, wherein it is single that sealing is provided in above-mentioned sealing drum
Member and regulation ring；
The first limiting stand is provided in the sealing drum, the sealing unit is arranged in first limiting stand and the tune
Between section ring；
The regulation ring is threadedly coupled with the sealing drum, to adjust the sealing of the sealing unit and the sealing plug
Degree.
The third possible embodiment provided in an embodiment of the present invention, wherein above-mentioned sealing drum one end and the valve body
It is threadedly coupled, the other end is threaded with top connection.
4th kind of possible embodiment provided in an embodiment of the present invention, wherein the second limit is provided in above-mentioned sealing drum
Position platform, the sealing plug outer wall are provided with the third limiting stand being adapted to second limiting stand, are inserted with limiting the sealing
The maximum insertion depth of head.
5th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned valve body includes upper valve body, connecting cylinder
And lower valve body；
The valve seat, the valve plate and the reseting elasticity part are both provided on the upper valve body and the lower valve body；
The upper valve body is connect by the connecting cylinder with the sealing drum, is led between the upper valve body and the lower valve body
Cross connecting cylinder connection.
6th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned filling cylinder passes through extending and valve
Body connects.
7th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned ball seat outer wall is provided with sealing ring.
8th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned reseting elasticity part is torsional spring, described
One end is connect with the valve plate, and the other end is connect with the valve seat.
9th kind of possible embodiment provided in an embodiment of the present invention, wherein above-mentioned syringe pipe is far from the filling cylinder
One end offer multiple flushing holes, the axis of the flushing hole is parallel with the filling axis of cylinder.
Advantageous effect：
An embodiment of the present invention provides a kind of valve plate type side rush become retrofilling tool, including sealing drum, valve body, filling cylinder,
Syringe pipe and sealing plug；Sealing drum, valve body, filling cylinder and syringe pipe are sequentially connected；Sealing plug is plugged in sealing drum and valve
In vivo, sealing drum is tightly connected with sealing plug；Valve seat, valve plate and reseting elasticity part are provided in valve body, valve plate passes through reset
Spring element is hinged with valve seat；Filling mouth is offered on filling cylinder, fills and is connected with ball seat at mouth.When tubing string tripping in is hampered, lead to
It crosses sealing plug and pushes the circulation canal of valve plate formation open and realize that tubing string washes down, the sand of tubing string bottom is washed out into ground,
Make tubing string smoothly down toward designated position；Then it puts into steel ball and carries out suppressing test tightness, then proceed to suppress, cut ball
Seat exposes filling mouth, carries out filling operation, after the completion of filling, proposes that sealing plug, valve plate are multiple under the action of reseting elasticity part
Position ensures sealing.Setting in this way improves working efficiency, and enables tubing string easily down toward designated position.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram that valve plate type side provided in an embodiment of the present invention punching becomes retrofilling tool；
Fig. 2 is the partial enlarged view of W in Fig. 1；
Fig. 3 is the sectional view of AA in Fig. 1；
Fig. 4 is the structural representation that valve plate type side provided in an embodiment of the present invention punching becomes the sealing plug in retrofilling tool
Figure.
Icon：100- sealing drums；110- sealing units；120- regulation rings；The first limiting stands of 130-；140- second
Limiting stand；200- valve bodies；210- valve seats；220- valve plates；230- reseting elasticity parts；240- upper valve bodies；250- connecting cylinders；
260- lower valve bodies；270- extendings；300- fills cylinder；310- fills mouth；320- ball seats；400- syringe pipes；410- is rushed
Hole flushing；500- sealing plugs；510- third limiting stands.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply 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 this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
With reference to shown in figure 1- Fig. 4：
An embodiment of the present invention provides a kind of 220 formula sides of valve plate to rush change retrofilling tool, including sealing drum 100, valve body
200, cylinder 300, syringe pipe 400 and sealing plug 500 are filled；Sealing drum 100, valve body 200, filling cylinder 300 and syringe pipe 400 according to
Secondary connection；Sealing plug 500 is plugged in sealing drum 100 and valve body 200, and sealing drum 100 is tightly connected with sealing plug 500；
Valve seat 210, valve plate 220 and reseting elasticity part 230 are provided in valve body 200, valve plate 220 passes through reseting elasticity part 230 and valve seat
210 is hinged；Filling mouth 310 is offered on filling cylinder 300, is filled and is connected with ball seat 320 at mouth 310.
An embodiment of the present invention provides a kind of 220 formula sides of valve plate to rush change retrofilling tool, including sealing drum 100, valve body
200, cylinder 300, syringe pipe 400 and sealing plug 500 are filled；Sealing drum 100, valve body 200, filling cylinder 300 and syringe pipe 400 according to
Secondary connection；Sealing plug 500 is plugged in sealing drum 100 and valve body 200, and sealing drum 100 is tightly connected with sealing plug 500；
Valve seat 210, valve plate 220 and reseting elasticity part 230 are provided in valve body 200, valve plate 220 passes through reseting elasticity part 230 and valve seat
210 is hinged；Filling mouth 310 is offered on filling cylinder 300, is filled and is connected with ball seat 320 at mouth 310.When tubing string tripping in is hampered,
The circulation canal for pushing the formation of valve plate 220 open by sealing plug 500 realizes washing down for tubing string, and the sand of tubing string bottom is washed
Go out ground, makes tubing string smoothly down toward designated position；Then it puts into steel ball and carries out suppressing test tightness, then proceed to suppress,
Ball seat 320 is cut, exposes filling mouth 310, carries out filling operation, after the completion of filling, proposes sealing plug 500, valve plate 220 is multiple
It is resetted under the action of the spring element 230 of position, ensures sealing.Setting in this way improves working efficiency, and enables tubing string side
Just down toward designated position.
Wherein, when tubing string is declined, the blocking of silt can be encountered, is inserted into sealing plug 500 at this time, driving sealing is inserted
During first 500 are inserted into, sealing plug 500 can open valve plate 220, and the punching of 220 formula side of valve plate is then made to become in retrofilling tool
Portion is unimpeded, and the silt of tubing string bottom can be rinsed by filling flushing liquor at this time, so that tubing string is sunk when rinsing, made pipe
Column can sink down into designated position.
After tubing string sinks down into designated position, staff puts into steel ball into tubing string, and steel ball can be fallen on ball seat 320,
Then whether pressurization monitoring tubing string seals, and after having inspected, continues to pressurize if sealing, cuts ball seat 320 and filling cylinder 300
Between pin, so that ball seat 320 is fallen off and move down, keep filling mouth 310 unimpeded, carry out filling operation at this time, to that can be filled in well
Sand control treatment.
It should be pointed out that after completing filling operation, sealing tap, band of the valve plate 220 in reseting elasticity part 230 are above carried
Dynamic lower reset, when backwash being avoided to work, extraneous silt enters inside tubing string.
In the alternative of the present embodiment, the outer diameter of sealing plug 500 is not more than the internal diameter of valve seat 210.
Specifically, the outer diameter of sealing plug 500 is not more than the internal diameter of valve seat 210 so that sealing plug 500 smooth can obtain
Across valve seat 210 and open valve plate 220.
In the alternative of the present embodiment, sealing unit 110 and regulation ring 120 are provided in sealing drum 100；Sealing drum
The first limiting stand 130 is provided in 100, sealing unit 110 is arranged between the first limiting stand 130 and regulation ring 120；Regulation ring
120 are threadedly coupled with sealing drum 100, to adjust the tightness of sealing unit 110 and sealing plug 500.
Specific, sealing unit 110 and regulation ring 120 are provided in sealing drum 100, it is close when sealing plug 500 is inserted into
The side wall of envelope plug 500 can be tightly connected with sealing unit 110, to avoid silt etc. from passing through.
Wherein, sealing unit 110 be arranged between the first limiting stand 130 and regulation ring 120, and regulation ring 120 with it is close
Sealed tube 100 be threadedly coupled, the sealing performance of sealing unit 110 can be adjusted by adjusting regulation ring 120, when regulation ring 120 with
First limiting stand 130 closer to when, the sealing performance between sealing unit 110 and sealing plug 500 is better.
When sealing plug 500 is inserted into the punching of 220 formula side of valve plate and becomes in retrofilling tool, valve plate 220 is in the open state, close
It seals and is in sealing state between plug 500 and sealing unit 110, extraneous silt is avoided to pass through.
In the alternative of the present embodiment, 100 one end of sealing drum is threadedly coupled with valve body 200, and the other end is threaded with
Top connection.
Specifically, one end of sealing drum 100 is threadedly coupled with valve body 200, the other end is threadedly coupled with top connection, valve plate
The punching of 220 formula sides becomes retrofilling tool and is connect with tubing string by top connection.
In the alternative of the present embodiment, the second limiting stand 140 is provided in sealing drum 100,500 outer wall of sealing plug is set
It is equipped with the third limiting stand 510 being adapted to the second limiting stand 140, to limit the maximum insertion depth of sealing plug 500.
Specifically, being additionally provided with the second limiting stand 140 in sealing drum 100,500 outer wall of sealing plug is provided with third limit
Platform 510, when sealing plug 500 is inserted into certain depth, the second limiting stand 140 can be connect with third limiting stand 510, avoid sealing
Plug 500 is inserted into too deep, and valve plate 220 is caused to close the case where (valve plate 220 be higher than 500 top of sealing plug).
In the alternative of the present embodiment, valve body 200 includes upper valve body 240, connecting cylinder 250 and lower valve body 260；Upper valve body
240 and lower valve body 260 on be both provided with valve seat 210, valve plate 220 and reseting elasticity part 230；Upper valve body 240 passes through connecting cylinder 250
It connect with sealing drum 100, is connected by connecting cylinder 250 between upper valve body 240 and lower valve body 260.
Specifically, valve body 200 includes upper valve body 240, connecting cylinder 250 and lower valve body 260, in upper valve body 240 and lower valve body
It is both provided with valve seat 210, valve plate 220 and reseting elasticity part 230 on 260, to form two-stage sealing, further ensures that leakproofness.
In the alternative of the present embodiment, filling cylinder 300 is connect by extending 270 with valve body 200.
In the alternative of the present embodiment, 320 outer wall of ball seat is provided with sealing ring.
In the alternative of the present embodiment, reseting elasticity part 230 is torsional spring, and one end is connect with valve plate 220, the other end
It is connect with valve seat 210.
Specifically, reseting elasticity part 230 uses torsional spring, one end to be connect with valve plate 220, the other end connects with valve seat 210
It connects.
In the alternative of the present embodiment, the one end of syringe pipe 400 far from filling cylinder 300 offers multiple flushing holes 410,
The axis of flushing hole 410 is parallel with the filling axis of cylinder 300.
Specifically, 400 end of syringe pipe offers multiple flushing holes 410, water speed is improved out by flushing hole 410, is carried
High rinse capability.
Wherein, the axis of flushing hole 410 is parallel with the filling axis of cylinder 300.
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 included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of valve plate type side punching becomes retrofilling tool, which is characterized in that including：Sealing drum, valve body, filling cylinder, syringe pipe and
Sealing plug；
The sealing drum, the valve body, the filling cylinder and the syringe pipe are sequentially connected；
The sealing plug is plugged in the sealing drum and the valve body, and the sealing drum connects with sealing plug sealing
It connects；
Valve seat, valve plate and reseting elasticity part are provided in the valve body, the valve plate passes through the reseting elasticity part and the valve
Seat is hinged；
Filling mouth is offered on the filling cylinder, and ball seat is connected at the filling mouth.
2. valve plate type side punching according to claim 1 becomes retrofilling tool, which is characterized in that the outer diameter of the sealing plug
No more than the internal diameter of the valve seat.
3. valve plate type side punching according to claim 1 becomes retrofilling tool, which is characterized in that be provided in the sealing drum
Sealing unit and regulation ring；
The first limiting stand is provided in the sealing drum, the sealing unit is arranged in first limiting stand and the regulation ring
Between；
The regulation ring is threadedly coupled with the sealing drum, to adjust the tightness of the sealing unit and the sealing plug.
4. valve plate type side punching according to claim 3 becomes retrofilling tool, which is characterized in that described sealing drum one end and institute
Valve body screw thread connection is stated, the other end is threaded with top connection.
5. valve plate type side punching according to claim 1 becomes retrofilling tool, which is characterized in that be provided in the sealing drum
Second limiting stand, the sealing plug outer wall is provided with the third limiting stand being adapted to second limiting stand, described in limitation
The maximum insertion depth of sealing plug.
6. valve plate type side punching according to claim 1 becomes retrofilling tool, which is characterized in that the valve body includes upper valve
Body, connecting cylinder and lower valve body；
The valve seat, the valve plate and the reseting elasticity part are both provided on the upper valve body and the lower valve body；
The upper valve body is connect by the connecting cylinder with the sealing drum, passes through company between the upper valve body and the lower valve body
Connect cylinder connects.
7. valve plate type side punching according to claim 6 becomes retrofilling tool, which is characterized in that the filling cylinder passes through extension
Cylinder is connect with valve body.
8. valve plate type side punching according to claim 7 becomes retrofilling tool, which is characterized in that the ball seat outer wall is provided with
Sealing ring.
9. valve plate type side punching according to claim 1 becomes retrofilling tool, which is characterized in that the reseting elasticity part is to turn round
Spring, the one end are connect with the valve plate, and the other end is connect with the valve seat.
10. being rushed according to claim 1-9 any one of them valve plate types side and becoming retrofilling tool, which is characterized in that the flushing
The one end of head far from the filling cylinder offers multiple flushing holes, and the axis of the flushing hole and the axis of the filling cylinder are flat
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945733.0A CN108716389A (en) | 2018-08-17 | 2018-08-17 | Valve plate type washes down packing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945733.0A CN108716389A (en) | 2018-08-17 | 2018-08-17 | Valve plate type washes down packing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108716389A true CN108716389A (en) | 2018-10-30 |
Family
ID=63913909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945733.0A Pending CN108716389A (en) | 2018-08-17 | 2018-08-17 | Valve plate type washes down packing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108716389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927404A (en) * | 2020-10-15 | 2020-11-13 | 东营市蕴东石油科技有限公司 | Gravel packing tool capable of being used while being flushed |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648063Y (en) * | 2003-09-19 | 2004-10-13 | 中国石化胜利油田有限公司孤岛采油厂 | Anti-sand once filling tool for thicken oil hot extraction |
| US20060169465A1 (en) * | 2005-02-01 | 2006-08-03 | Halliburton Energy Services, Inc. | Bi-directional fluid loss device |
| CN102839940A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气股份有限公司 | Rotator for cementing well at top of horizontal well screen pipe |
| CN204941482U (en) * | 2015-08-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Gravel filling device capable of washing sand |
| CN205743831U (en) * | 2016-01-29 | 2016-11-30 | 中国海洋石油总公司 | Bore hole circulating valve panel assembly |
| CN208734320U (en) * | 2018-08-17 | 2019-04-12 | 东营市瑞丰石油技术发展有限责任公司 | Valve plate type washes down packing tool |
-
2018
- 2018-08-17 CN CN201810945733.0A patent/CN108716389A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648063Y (en) * | 2003-09-19 | 2004-10-13 | 中国石化胜利油田有限公司孤岛采油厂 | Anti-sand once filling tool for thicken oil hot extraction |
| US20060169465A1 (en) * | 2005-02-01 | 2006-08-03 | Halliburton Energy Services, Inc. | Bi-directional fluid loss device |
| CN102839940A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气股份有限公司 | Rotator for cementing well at top of horizontal well screen pipe |
| CN204941482U (en) * | 2015-08-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Gravel filling device capable of washing sand |
| CN205743831U (en) * | 2016-01-29 | 2016-11-30 | 中国海洋石油总公司 | Bore hole circulating valve panel assembly |
| CN208734320U (en) * | 2018-08-17 | 2019-04-12 | 东营市瑞丰石油技术发展有限责任公司 | Valve plate type washes down packing tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927404A (en) * | 2020-10-15 | 2020-11-13 | 东营市蕴东石油科技有限公司 | Gravel packing tool capable of being used while being flushed |
| CN111927404B (en) * | 2020-10-15 | 2020-12-18 | 东营市蕴东石油科技有限公司 | Gravel packing tool capable of being used while being flushed |
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