CN110130845A - Oil well cleans conducting device - Google Patents
Oil well cleans conducting device Download PDFInfo
- Publication number
- CN110130845A CN110130845A CN201810129044.2A CN201810129044A CN110130845A CN 110130845 A CN110130845 A CN 110130845A CN 201810129044 A CN201810129044 A CN 201810129044A CN 110130845 A CN110130845 A CN 110130845A
- Authority
- CN
- China
- Prior art keywords
- conducting
- oil well
- interconnecting piece
- connecting pipe
- cleans
- 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.)
- Granted
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 47
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 description 21
- 238000011010 flushing procedure Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
-
- 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cleaning In General (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of oil wells to clean conducting device.It includes: central tube that the oil well, which cleans conducting device, for conveying solution；Conducting portion, conducting portion are separately connected central tube and to connecting pipes, for will be conducted in central tube to the solution in connecting pipe, or the solution in central tube are conducted to in connecting pipe.Through the invention, solve the problems, such as that reacting cycle clean-out service failure rate is larger in the related technology.
Description
Technical field
The present invention relates to petroleum collection fields, clean conducting device in particular to a kind of oil well.
Background technique
The working principle of reacting cycle well-flushing are as follows: flushing fluid is injected from oil jacket annulus, is flowed into oil pipe column by screen casing,
It is returned out finally by oil pipe column, forms circulation well cleanup channel, and then realize the cleaning to oil well.
And at present during production of hydrocarbons, the set gas being connected with oil well production tree, which discharges, is equipped with single stream at one in process
Valve, when pressure is greater than outer defeated process pressure in oil jacket annulus, ball-and-seat valve plate opening carries out set gas discharge.Reacting cycle well-flushing mistake
Cheng Zhong injects flushing fluid from oil jacket annulus, and oil jacket annulus pressure increase, which results in pressure in oil jacket annulus greater than outer
Defeated process pressure.As shown in Figure 1, set gas discharge ball-and-seat is opened, and most of flushing fluid passes through well head under the action of pressure difference
The ball-and-seat of proximal end directly returns out from outer defeated tubing string, does not flow into shaft bottom, i.e. path 2..Cause cannot comprehensively bottom-hole cleaning and
The purpose of tubing string causes reacting cycle clean-out service to fail.
For in the related technology based on the oil well with ball-and-seat, the larger problem of reacting cycle clean-out service failure rate, mesh
It is preceding not yet to put forward effective solutions.
Summary of the invention
The present invention provides a kind of oil well cleaning conducting device, with solve in the related technology reacting cycle clean-out service failure rate compared with
Big problem.
According to another aspect of the present invention, a kind of oil well cleaning conducting device is provided.The oil well cleans conducting device packet
It includes: central tube, for conveying solution；Conducting portion, the conducting portion are separately connected the central tube and to connecting pipes, and being used for will
The solution in connecting pipe is conducted in the central tube, or the solution in the central tube is conducted to described to even
In adapter tube road.
Optionally, the both ends of the central tube are separately connected the first end of two conducting portions, two conducting portions
Second end be separately connected two described in connecting pipe.
Optionally, the conducting portion includes: conducting portion main body, the first end of the conducting portion main body for connect it is described to
Connecting pipe；The second end of the conducting portion main body is for connecting the central tube；Pipeline is connected, the conducting pipeline is set to
In conducting portion main body, the conducting pipeline is used to for the solution in connecting pipe being conducted in the central tube, or will
Solution in the central tube is conducted to described in connecting pipe.
Optionally, the conducting portion main body includes: connector portions, and the connector portions are tubbiness and have connector inner cavity, described
The first end connection of connector portions is described to connecting pipe；Interconnecting piece, the interconnecting piece are tubulose and have inner cavity of pipe, the company
The first end of socket part connects the second end of the connector portions, and the second end of the interconnecting piece connects the central tube.
Optionally, the first end of the connector portions has the first connector, first connector for connect it is described to
Connecting pipe, wherein the lateral wall of first connector has screw thread.
Optionally, the inner wall of the connector portions is equipped with the first thread segment, for connecting the interconnecting piece；The interconnecting piece
The outer peripheral surface of first end is equipped with the second thread segment corresponding with first thread segment, for being cooperatively connected with the first thread segment
The interconnecting piece and the connector portions.
Optionally, the conducting pipeline includes: the first pipeline section, is set in the connector portions, and the of first pipeline section
One end connection is described to connecting pipe；Second pipeline section is set in the interconnecting piece, and the first end of second pipeline section connects institute
The second end of the first pipeline section is stated, the second end of second pipeline section connects the central tube.
Optionally, the recirculation hole being connected with the connector inner cavity is provided on the side wall of the connector portions, wherein described
First pipeline section includes at least the connector inner cavity and the recirculation hole.
Optionally, second pipeline section includes at least the inner cavity of pipe of the interconnecting piece.
Optionally, the recirculation hole is multiple, and multiple recirculation holes are uniformly arranged on the side wall of the connector portions.
Optionally, the conducting portion main body includes: sealing, and the sealing is in shaped hollow round table, is sheathed on the company
Socket part periphery, the sealing is for sealing the conducting pipeline and the interface gap to connecting pipe.
Optionally, the interconnecting piece periphery is equipped with protrusion, and the protrusion is for positioning sealing, the connector portions
Outer diameter be greater than the sealing internal diameter, to be positioned to the sealing.
Optionally, the sealing is rubber rotary table, and the rubber rotary table is equipped with cylindrical hollow and annular seal is hollow, institute
It states rubber rotary table and the interconnecting piece periphery is sheathed on by the cylindrical hollow, the annular seal hollow spacer is set to described
The periphery of cylindrical hollow.
Following device: central tube is used through the invention, for conveying solution；Conducting portion, the conducting portion are separately connected
The central tube and to connecting pipe, for the solution in connecting pipe to be conducted in the central tube, or by institute
State the solution in central tube be conducted to it is described in connecting pipe, solve reacting cycle clean-out service failure rate in the related technology
Larger problem.By establishing the new reacting cycle well-flushing passage being made of central tube and conducting portion, it is single the discharge of set gas has been avoided
Valve is flowed, so that cleaning solution can not be flowed out from set gas discharge ball-and-seat, forms the circulation path of cleaning solution, and then reached and mentioned
The high effect of the success rate of reacting cycle clean-out service.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of oil well cleaning in the prior art；
Fig. 2 is the schematic diagram of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the conducting portion of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 4 is the main view of the connector portions of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 5 is the half sectional view of the connector portions of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 6 is the half sectional view of the interconnecting piece of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 7 is the main view of the sealing of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 8 is the half sectional view of the sealing of the oil well cleaning conducting device provided according to embodiments of the present invention；
Fig. 9 is the connection schematic diagram of the oil well cleaning conducting device provided according to embodiments of the present invention；And
Figure 10 is the solution circulation schematic diagram of the oil well cleaning conducting device provided according to embodiments of the present invention.
Wherein, the above drawings include the following reference numerals:
10, central tube；20, conducting portion；30, ball-and-seat；21, conducting portion main body；22, pipeline is connected；211, connector portions；
212, interconnecting piece；213, sealing；211a, recirculation hole；211b, the first connector；211c, the first thread segment；212a, protrusion；
213a, annular seal are hollow.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment provides a kind of oil wells to clean conducting device, packet with shown in Fig. 9, Figure 10
It includes: central tube 10, for conveying solution；Conducting portion 20, conducting portion 20 are separately connected central tube 10 and to connecting pipes, and being used for will
It is conducted in central tube 10 to the solution in connecting pipe, or the solution in central tube 10 is conducted to in connecting pipe.Its
In, the both ends of central tube 10 are separately connected the first end of two conducting portions 20, and the second end of two conducting portions 20 is separately connected two
It is a to connecting pipe.
It should be understood that above-mentioned two be integrated to connecting pipe original, that is, certain pipeline is split into two wait connect
Pipeline, and by oil well cleaning conducting device be installed on be split into two between connecting pipe.
It should be further noted that: certain pipeline is split into two to connecting pipe, that is, manage the part in certain pipeline
Section disassembles, and the oil well of alternative costs inventive embodiments cleans conducting device, and then reaches and carrying out reacting cycle clean-out service
When, by set gas discharge ball-and-seat blocking, and establish the technical effect of new reacting cycle well-flushing passage.
It should be further noted that: it is above-mentioned two to be disassembled to connecting pipe for an integrated piping,
For example, the both ends of oil well cleaning conducting device are separately connected one end of polished rod seal box and sucker rod.
In conclusion the oil well cleaning conducting device of the embodiment of the present invention is to replace certain segment pipe, reaches and this section pipe is isolated
The technical effect of other accesses in road avoids the liquid in pipeline from flowing out by other accesses.
It establishes after new reacting cycle well-flushing passage, due to having avoided set gas discharge ball-and-seat, so that cleaning solution can not be from
It is flowed out in set gas discharge ball-and-seat, forms the circulation path of cleaning solution as shown in Figure 10, and then reached raising pumpingh well
Workover treatment quality prevents flushing fluid to be lost loss, reduces clean-out service cost, avoids invalid reacting cycle clean-out service, extends
The technical effect in oil well production period.
As an optional example, usually used equipment is acquired as design basis using oil field, central tube can be set
Are as follows: 10 be the hollow steel pipe that diameter is 40mm, and both ends are threaded.
In the present embodiment, conducting portion 20 includes: conducting portion main body 21, the first end of conducting portion main body 21 for connect to
Connecting pipe；The second end of conducting portion main body 21 is for connecting central tube 10；Pipeline 22 is connected, conducting pipeline 22 is set to conducting
In portion's main body 21, conducting pipeline 22 is used to be conducted in central tube 10 to the solution in connecting pipe, or will be in central tube 10
Solution be conducted to in connecting pipe.Conducting portion 20 will be conducted in central tube 10 to the solution in connecting pipe, or will
Solution in central tube 10 is conducted to when in connecting pipe, and certain conducting pipeline 22 will be had by first turning on portion 20, is used for
It will be conducted in central tube 10 to the solution in connecting pipe, or the solution in central tube 10 be conducted to in connecting pipe,
Secondly, conducting portion 20 to have certain main body for connect to connecting pipe and central tube 10.So that conducting portion 20 divides
Not Tong Guo conducting portion main body 21 and the conducting pipeline 22 that is set to inside conducting portion main body 21 have the function that conducting and connection.
As shown in figure 3, conducting portion main body 21 includes: connector portions 211, connector portions 211 are tubbiness and have connector inner cavity, are connect
The first end on head 211 is connected to connecting pipe；Interconnecting piece 212, interconnecting piece 212 are tubulose and have inner cavity of pipe, interconnecting piece
The second end of the second end in 212 first end jointing portion 211, interconnecting piece 212 connects central tube 10.
It should be understood that connector portions 211 and interconnecting piece 212 that above-mentioned conducting portion 20 includes can be set to integral type dress
It sets namely conducting portion 20 is unified entirety, conducting portion 20 is the component with connector inner cavity, and one end is connected to connecting pipe,
One end connects central tube 10；The connector portions 211 and interconnecting piece 212 that above-mentioned conducting includes may be set to be two be detachably connected
A device namely conducting portion 20 include 212 two devices of connector portions 211 and interconnecting piece, and connector portions 211 are that tubbiness and having connects
Head inner cavity, interconnecting piece 212 is tubulose and has inner cavity of pipe, and the first end of connector portions 211 is connected to connecting pipe, connector portions
The second end of the first end of 211 second segment interconnecting piece 212, interconnecting piece 212 connects central tube 10.
As shown in Fig. 4 to Fig. 5, there is the first connector 211b, the first connector 211b to be used for for the first ends of connector portions 211
Connection is to connecting pipe, wherein the lateral wall of the first connector 211b has screw thread.
It should be understood that the default background due to the embodiment of the present invention is oil field acquisition, it is mostly to connecting pipe
Pumping pipelines in the prior art, therefore the pipeline configuration based on pumping pipelines designs the first connector as shown in Figure 3
211b namely the first connector 211b shown in Fig. 3 match with pumping pipelines in the prior art.And then it supplements a bit: on
Stating the first connector 211b can be diversified forms, different types of wait connect when connecting the purpose is to connect to connecting pipe
When pipeline, the first connector 211b can be correspondingly arranged based on the type to connecting pipe, it is not necessary to be confined to implementation of the present invention
The concrete form that example provides.
As an optional example, the first connector 211b are as follows: diameter is the sucker rod pin thread of 19mm, wherein connector
Portion 211 is connect by sucker rod pin thread with sucker rod (to connecting pipe).
It is detachable connection for connector portions 211 and interconnecting piece 212, specifically, the inner wall of connector portions 211 is equipped with first
End of thread 211c, for connecting interconnecting piece 212；The outer peripheral surface of the first end of interconnecting piece 212 is equipped with and the first end of thread 211c
Corresponding second thread segment is used for and the first end of thread 211c mating connection connector portions and interconnecting piece 212.By in connector portions
211 and interconnecting piece 212 on the first end of thread 211c and the second thread segment is respectively set so that interconnecting piece 212 and connector portions 211 can
To reach detachable connection by the first end of thread 211c and the second thread segment.
As an optional example, inner diameter of the connector portions 211 equipped with the first end of thread 211c is 48.3mm.
It include connector portions 211 and interconnecting piece 212 based on conducting portion main body 21, what is be arranged in corresponding conducting portion main body 21 leads
Threading a pipe 22 also has corresponding division, specifically, conducting pipeline 22 includes: the first pipeline section, is set in connector portions 211, first
The first end of pipeline section is connected to connecting pipe；Second pipeline section is set in interconnecting piece 212, the first end of the second pipeline section connection the
The second end of the second end of one pipeline section, the second pipeline section connects central tube 10.
Include first pipe and the second pipeline section by enabling conducting pipeline 22, conducting pipeline 22 is specifically corresponded to connecing
Head 211 and interconnecting piece 212, avoid component that conducting pipeline 22 includes with conducting portion main body 21 can not accurate match ask
Topic.
It should be understood that conducting pipeline 22 includes but is not limited to the first pipeline section and the second pipeline section.
For the pipeline configuration to connecting pipe, as shown in Figure 4 and Figure 5, it is provided on the side wall of connector portions 211 and connector
The recirculation hole 211a that inner cavity is connected, wherein the first pipeline section includes at least connector inner cavity and recirculation hole 211a.
It should be noted that the connection relationship to connecting pipe and connector portions 211, based on being oil pick-up tube to connecting pipe
Under the premise of.That is, being attached with connector portions 211 by the first connector 211b to connecting pipe, based on the pipe to connecting pipe
Road structure, the first connector 211b are solid connector, that is, liquid can not be circulated by connector, this season is connect
The diameter on head 211 is less than to connecting pipe, and the circulation being connected with connector inner cavity will be provided on the side wall of connector portions 211
Hole 211a enables solution be circulated to by recirculation hole 211a to inside connecting pipe by interface inner cavity.
Further remark additionally: the first pipeline section that conducting pipeline 22 includes includes at least connector inner cavity and recirculation hole
211a。
In order to guarantee flowing smoothly for liquid, recirculation hole 211a is multiple, and, multiple recirculation hole 211a are in connector portions 211
Side wall on be uniformly arranged.Wherein, the purpose being uniformly arranged are as follows: i.e. guarantee 20 internal liquid of conducting portion flows smoothly, and does not go out
Phenomena such as existing Fluid pressure is excessive or pressure is unevenly distributed.
It should be understood that recirculation hole 211a is generally 4,6 or 8.The following conditions need to be met by punching: be punched
Aperture ∮ d meets the sum of porose circulation area of institute >=10 internal circulation area of central tube,Centered on ∮ D
10 aperture of pipe；N hole is uniformly distributed, and can also be uniformly arranged according to actual needs one week or two weeks.
It further remarks additionally: as shown in fig. 6, the second pipeline section includes at least the inner cavity of pipe of interconnecting piece 212.
In order to ensure connector portions 211 and to the connection sealing between connecting pipe, conducting portion main body 21 includes: sealing
213, sealing 213 is in shaped hollow round table, is sheathed on 212 periphery of interconnecting piece, sealing 213 for seal conducting pipeline 22 with to
The interface gap of connecting pipe.
By being arranged sealing 213 in the periphery of interconnecting piece 212, so that even if based on connector portions 211 and to connecting pipe
Structure, liquid can not also overflow from its interface, and then ensure that connector portions 211 and to the connection between connecting pipe
Leakproofness.
It should be understood that is, the liquid in connector portions 211 is logical based on connector portions 211 and to the structure of connecting pipe
Recirculation hole 211a is crossed to be circulated to which inside connecting pipe, in order to guarantee the effect that circulates, the internal diameter to connecting pipe is naturally larger than
Connector portions 211 can not play the role of sealing since the first connector 211b is set to the first end of connector portions 211.
Based on above-mentioned condition, the sealing 213 of shaped hollow round table is set, the first end diameter of sealing 213 be less than to
The internal diameter of connecting tube, the second end diameter of sealing 213 are greater than the internal diameter to connecting pipe, when connector portions 211 be placed in
When inside connecting pipe, the lesser one end of 213 diameter of sealing will also be placed in inside to connecting pipe, connect based on first
The Design of Screw Thread of fitting 211b, when conducting portion 20 is more deep to connecting pipe, sealing 213 and the extruding force to connecting pipe
Bigger, sealing effect is better, and then solves the work that sealing can not be played based on connector portions 211 and to the structure of connecting pipe
With the technical issues of, ensure that conducting portion 20 and the connection sealing to connecting pipe.
As an optional example, sealing 213 are as follows: maximum outside diameter is the rubber skin that 63mm minimum diameter is 35mm
Bowl, leather cup inside are equipped with ring cavity, play a part of to seal oil pipe and barrier covers gas discharge ball-and-seat.
At this time it should be understood that being sheathed on interconnecting piece 212 for the ease of sealing 213, therefore, conducting portion 20 is enabled to wrap
Connector portions 211 and interconnecting piece 212 are included, and connector portions 211 and interconnecting piece 212 are detachable connection.
As shown in figure 3,212 periphery of interconnecting piece is equipped with protrusion 212a, raised 212a is used to limit sealing 213,
The outer diameter of connector portions 211 is greater than the internal diameter of sealing 213, to limit to sealing 213.By in 212 periphery of interconnecting piece
Be arranged protrusion 212a, enable connector portions 211 outer diameter be greater than sealing 213 internal diameter, it is therefore prevented that sealing 213 be based on its with to company
The squeezing action in adapter tube road leads to the dislocation movement of sealing 213, avoids the case where not can guarantee effective sealing effect hair
It is raw.
As shown in Figure 7 and Figure 8, sealing 213 is rubber rotary table, and rubber rotary table is equipped with cylindrical hollow and annular seal is hollow
213a, rubber rotary table are sheathed on 212 periphery of interconnecting piece by cylindrical hollow, and the hollow 213a of annular seal is arranged at intervals at column sky
The periphery of the heart.By enabling sealing 213 not be provided only with the cylindrical hollow for being sheathed with interconnecting piece 212, it is additionally provided with cyclic annular sky
The heart, and then the elastic effect of sealing 213 is enhanced, and then increase sealing effect.
It explains below with reference to another embodiment to the present invention.
The embodiment of the invention provides a kind of cooperation realize reacting cycle well-flushing passage device, mainly include connector portions 211,
4 parts such as interconnecting piece 212, sealing 213 and central tube 10.
When reacting cycle well-flushing passage device is realized in installation cooperation, the device is first assembled, by 213 sets of sealing in interconnecting piece
Above 212,212 one end jointing portion 211 of interconnecting piece, one end connects central tube 10.When the device is installed on well head, according to set
The location of gas discharge ball-and-seat, taking-up polished rod and sucker rod (general set gas discharge ball-and-seat is mounted on first oil pipe,
Polished rod and first sucker rod are taken out so to play partition set gas discharge ball-and-seat and generally require), lower end connector
Threaded connection is fixed on above sucker rod, and connector threaded connection in upper end is fixed below polished rod seal box.
When reacting cycle clean-out service, flushing fluid is injected inside pumpingh well by pump truck from oil jacket annulus, is returned by sucker rod
Out, circulation well cleanup channel is formed.When by set gas discharge ball-and-seat position, which plays the role of blocking and partition.Due to
There is ponding ball-and-seat in closed state, flushing fluid smoothly can flow into shaft bottom from oil jacket annulus.Due to there is partition effect, wash
Enter inside the device when well liquid is returned out from sucker rod, by way of the newly-established flushing fluid circulation passage of the device, finally from outer defeated
Return out pumpingh well in channel.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and technology, method and apparatus should be considered as authorizing specification
A part.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, rather than
As limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label and word
Mother indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing
It does not need that it is further discussed.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Claims (13)
1. a kind of oil well cleans conducting device, which is characterized in that the oil well cleans conducting device and includes:
Central tube (10), for conveying solution；
Conducting portion (20), the conducting portion (20) are separately connected the central tube (10) and to connecting pipes, for will it is described to
Solution in connecting pipe is conducted in the central tube (10), or by the solution in the central tube (10) be conducted to it is described to
In connecting pipe.
2. oil well according to claim 1 cleans conducting device, which is characterized in that distinguish at the both ends of the central tube (10)
Connect two conducting portions (20) first end, the second end of two conducting portions (20) be separately connected two described in even
Adapter tube road.
3. oil well according to claim 1 cleans conducting device, which is characterized in that the conducting portion (20) includes:
The first end of conducting portion main body (21), the conducting portion main body (21) is described to connecting pipe for connecting；The conducting
The second end of portion's main body (21) is for connecting the central tube (10)；
It is connected pipeline (22), the conducting pipeline (22) is set in conducting portion main body (21), and the conducting pipeline (22) is used for
The solution in connecting pipe is conducted in the central tube (10), or the solution in the central tube (10) is connected
To described in connecting pipe.
4. oil well according to claim 3 cleans conducting device, which is characterized in that the conducting portion main body (21) includes:
Connector portions (211), the connector portions (211) are tubbiness and have connector inner cavity, and the first end of the connector portions (211) connects
It connects described to connecting pipe；
Interconnecting piece (212), the interconnecting piece (212) is tubulose and has inner cavity of pipe, and the first end of the interconnecting piece (212) connects
The second end of the connector portions (211) is connect, the second end of the interconnecting piece (212) connects the central tube (10).
5. oil well according to claim 4 cleans conducting device, which is characterized in that the first end of the connector portions (211)
With the first connector (211b), first connector (211b) is described to connecting pipe for connecting, wherein described first
The lateral wall of connector (211b) has screw thread.
6. oil well according to claim 4 cleans conducting device, which is characterized in that the inner wall of the connector portions (211) is set
There is the first thread segment (211c), for connecting the interconnecting piece (212)；On the outer peripheral surface of the first end of the interconnecting piece (212)
Equipped with the second thread segment corresponding with the first thread segment (211c), described in being cooperatively connected with the first thread segment (211c)
Interconnecting piece (212) and the connector portions (211).
7. oil well according to claim 4 cleans conducting device, which is characterized in that the conducting pipeline (22) includes:
First pipeline section is set in the connector portions (211), and the first end connection of first pipeline section is described to connecting pipe；
Second pipeline section is set in the interconnecting piece (212), and the first end of second pipeline section connects the of first pipeline section
The second end at two ends, second pipeline section connects the central tube (10).
8. oil well according to claim 7 cleans conducting device, which is characterized in that on the side wall of the connector portions (211)
It is provided with the recirculation hole (211a) being connected with the connector inner cavity, wherein first pipeline section includes at least in the connector
Chamber and the recirculation hole (211a).
9. oil well according to claim 7 cleans conducting device, which is characterized in that second pipeline section includes at least described
The inner cavity of pipe of interconnecting piece (212).
10. oil well according to claim 8 cleans conducting device, which is characterized in that the recirculation hole (211a) be it is multiple,
Multiple recirculation holes (211a) are uniformly arranged on the side wall of the connector portions (211).
11. oil well according to claim 4 cleans conducting device, which is characterized in that the conducting portion main body (21) includes:
Sealing (213), the sealing (213) are in shaped hollow round table, are sheathed on the interconnecting piece (212) periphery, described close
Envelope portion (213) is for sealing the conducting pipeline (22) and the interface gap to connecting pipe.
12. oil well according to claim 11 cleans conducting device, which is characterized in that interconnecting piece (212) periphery is set
Have raised (212a), for the protrusion (212a) for positioning to sealing (213), the outer diameter of the connector portions (211) is big
Internal diameter in the sealing (213), to be positioned to the sealing (213).
13. oil well according to claim 11 cleans conducting device, which is characterized in that the sealing (213) is rubber
Rotary table, the rubber rotary table is equipped with cylindrical hollow and annular seal is hollow (213a), and the rubber rotary table is empty by the column
The heart is sheathed on the interconnecting piece (212) periphery, and the annular seal hollow (213a) is arranged at intervals at the outer of the cylindrical hollow
It encloses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129044.2A CN110130845B (en) | 2018-02-08 | 2018-02-08 | Oil well cleaning and conducting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129044.2A CN110130845B (en) | 2018-02-08 | 2018-02-08 | Oil well cleaning and conducting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110130845A true CN110130845A (en) | 2019-08-16 |
| CN110130845B CN110130845B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129044.2A Active CN110130845B (en) | 2018-02-08 | 2018-02-08 | Oil well cleaning and conducting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110130845B (en) |
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| US5890538A (en) * | 1997-04-14 | 1999-04-06 | Amoco Corporation | Reverse circulation float equipment tool and process |
| US6371207B1 (en) * | 1999-06-10 | 2002-04-16 | M-I L.L.C. | Method and apparatus for displacing drilling fluids with completion and workover fluids, and for cleaning tubular members |
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| Publication number | Publication date |
|---|---|
| CN110130845B (en) | 2024-03-26 |
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