CN107829778B - A kind of monoblock type slicing and filling device - Google Patents

A kind of monoblock type slicing and filling device Download PDF

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Publication number
CN107829778B
CN107829778B CN201710958471.7A CN201710958471A CN107829778B CN 107829778 B CN107829778 B CN 107829778B CN 201710958471 A CN201710958471 A CN 201710958471A CN 107829778 B CN107829778 B CN 107829778B
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packing tool
giving
core pipe
packing
filling
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CN107829778A (en
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高瑞民
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Fengxian Feiyang Metal Products Co.,Ltd.
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高瑞民
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Priority to CN201811439239.3A priority patent/CN109339862B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

The present invention relates to a kind of monoblock type slicing and filling devices.Its technical solution is: being mainly made of the connection of a group or more of packing tools, sand screen, washing pipe and packer, the inner cavity of packing tool is connected by washing pipe, outer wall is connected by sand screen, the top of every group of packing tool is equipped with packer, the bottom of bottom one group of packing tool is equipped with blind plugging, and every group of packing tool is separately positioned on corresponding oil reservoir filling position;The beneficial effects of the present invention are: the present invention solves the problems, such as that existing single zone compaction tool is unable to slicing and filling, it also overcomes the interior filling tubing string in the layering squeeze pack tool of existing design and outer filling tubing string has mobile difficulty, it avoids malfunctioning switch and positions inaccurate problem, easier realize to multiple oil reservoirs hierarchically fill out and ring is filled out, operating efficiency is improved, is reduced costs.

Description

A kind of monoblock type slicing and filling device
Technical field
The present invention relates to a kind of petroleum well workover tool, in particular to a kind of monoblock type slicing and filling device.
Background technique
The main reason for sand production filling is one of oil field development urgent need to solve the problem, sand production is oil reservoir For loose cementing sandstone.In addition, in mid-late oilfield development, since long-term injecting water or gas injecting mining also can greatly destroy reservoir Skeleton causes sand production.The harm of sand production be mainly manifested in three aspect: one, sand buries payzone, cause the oil well underproduction or It stops production;Two, the sand grains of high speed causes ground and underground equipment to aggravate abrasion;Three, shaking out leads to formation depletion and collapses, and causes Casing damage scraps oil well.Sand production causes oil well output to subtract greatly, and operating cost increases sharply, and economic loss is serious.In order to It solves sand production and guarantees normal production, various sand control techniques and filling including chemical sand control have been carried out in each oil field extensively The research and application of technology.Currently, more commonly used solution is to carry out sand filling, Ke Yiyou to the position of sand production Effect fills the stratum in debt that shakes out, and industry also referred to as is filled out;In addition, the annular space between sand screen and casing is best There is layer of sand, that is, the sand block wall the real more is conducive to the oil recovery in later period, sand stowing operation herein is known as ring in the industry and fills out.
Currently, be single zone compaction method using most of packing tool, and most of in oil well is multiple oil reservoirs State need to be plowed in this way, single zone compaction tool cannot meet the layering gravel filling to multiple oil reservoirs with single zone compaction tool one The filling of tubing string in layer, at the same a bite multiple zone well need under the construction of multiple tubing string, complicated for operation, construction trouble, low efficiency, Production cost increases severely.
And Chinese patent literature number is 1294337, patent name is " layered pipe column for squeeze packing sand control process ", should be suitable for more The squeeze pack sand-preventing process of oil reservoir, also can be used for individual reservoir.The invention has interior filling tubing string and outer filling tubing string, interior filling Tubing string includes washing pipe and interior packing tool, and outer filling tubing string includes top hanging packer, outer packing tool and sand screen, is filled outside It fills out tool and is equipped with filling mouth.Interior filling tubing string is equipped with to set and give up, and outer filling tubing string is equipped with Inter-zonal packing device.It gives up when setting It is suppressed after setting top hanging packer, sets to give up and separated with top hanging packer, interior filling tubing string can be outside It is moved up and down in filling tubing string and sets Inter-zonal packing device, cooperate squeeze pack stratum with outer packing tool.Improve sand controlling result and Validity period.The construction of multiple oil reservoirs layering squeeze pack sand controls can be completed in lower one-trip string, greatly reduce production cost and The labor intensity of worker.But the problem is that: the invention uses interior filling tubing string and outer filling tubing string, the two are Dynamic fit, tubing string is mutually shifted twice, it is not easy to be positioned;In addition, ring fill out all be carried out again after the completion of ground is filled out, that is, It says, after the completion of ground is filled out, if sand tamps, fills be bound between tubing string and outer filling tubing string there are a small amount of sand inside, Mainly spring has the problem of a small amount of sand caused by wriggling, this results in ring when filling out, interior filling tubing string and outer filling tubing string Mobile difficulty, or even channel can not be opened, also can not just establish the circulation canal that ring is filled out;And if sand is packless, ground is filled out Expected filling effect is just not achieved.Therefore, defect existing for the split-type design of interior filling tubing string and outer filling tubing string is difficult to It reconciles.
Summary of the invention
The purpose of the present invention is to drawbacks described above of the existing technology, provide a kind of monoblock type slicing and filling dress Set, solve the problems, such as that single zone compaction tool is unable to slicing and filling, also overcome existing design interior filling tubing string and outer filling There is mobile difficulty in tubing string, while realizing to fill out with dividing oil reservoir and fill out with ring, improve efficiency.
A kind of monoblock type slicing and filling device that the present invention mentions, technical solution is: mainly by a group or more of Packing tool (10), sand screen (28), washing pipe (30) and packer (7) connection composition, the inner cavity of packing tool (10) passes through Washing pipe (30) connection, outer wall are connected by sand screen (28), and the top of every group of packing tool (10) is equipped with packer (7), most lower The bottom of the one group of packing tool (10) in face is equipped with blind plugging (27), and every group of packing tool (10) is separately positioned on corresponding oil reservoir filling Position;Wherein, the packing tool (10) include packing tool lower contact (3), sealing sliding sleeve (4), layering return connector (5), Packing tool top connection (6), core pipe of giving up (11) and ball seat (12), packing tool top connection (6) and packing tool lower contact (3) Between connection layering return connector (5) formed stay well casing column, core pipe of giving up (11) is fixed on the inner cavity for staying well casing column, core pipe of giving up (11) inner cavity is equipped with boss, and ball seat (12) is installed in the top of boss, is additionally provided with interior pack hole above boss;The layering The inner wall of return connector (5) is equipped with sealing cavity, cooperates turning off or on for external pack hole by sealing sliding sleeve (4), and divide Upper circulation canal up and down, top and packing tool top connection (6) and core pipe of giving up (11) are equipped in layer return connector (5) Between annular space connection, the interior lower circulation canal being equipped with of lower part and packing tool lower contact (3) is connected to by liquid transition cavity, It is formed by core pipe of giving up (11) by being connect under interior pack hole, outer pack hole, the annular space of packing tool (10) and casing, packing tool The lower circulation canal of annular space, packing tool lower contact (3) between head (3) and core pipe of giving up (11), liquid transition cavity, layering The upper circulation canal of return connector (5), the annular space between packing tool top connection (6) and core pipe of giving up (11), entirely forms liquid The circulation canal of body.
Preferably, the sealing cavity of above-mentioned layering return connector (5) inner wall and sealing sliding sleeve (4) cooperation, sealing cavity Upside be equipped with shearing boss, downside be equipped with support rim, sealing sliding sleeve (4) downside by shear pin and give up core pipe (11) even Fixation is connect, when core pipe of giving up (11) above mentions, shearing boss and the top for sealing sliding sleeve (4) interact, so that shear pin is cut, Make to seal the outer pack hole sealing that sliding sleeve (4) will be layered return connector (5).
Preferably, it is formed between packing tool lower contact (3) top on the downside of the inner wall of above-mentioned layering return connector (5) Liquid transition cavity, wherein the top of packing tool lower contact (3) is local crowning, divides water to connect by local crowning and layering Head (5) contact is equipped with retractable support ring to form the liquid transition cavity, in liquid transition cavity, passes through retractable support ring Cooperate with the notch of sealing sliding sleeve (4) lower outside, sealing sliding sleeve (4) is limited in the sealing of layering return connector (5) inner wall In cavity.
Preferably, the lower end of above-mentioned packing tool lower contact (3) connects washing pipe (30), is connected and is compensated by washing pipe (30) Device (1), the compensator (1) include inner tube (14), outer tube (24), sealing ring (26), and the lower end of the outer tube (24) is equipped with interior Outer lug boss cooperation at the top of boss, with inner tube (14), and the outside of the outer lug boss is equipped with one or more sealing ring (26), the flexible of compensator (1) is realized in moving up and down for outer tube (24) inner cavity by inner tube (14).
Preferably, the outer wall of the lower part of above-mentioned inner tube (14) is equipped with multiple gingival cyst of mucous gland in the newborn buttons (16), passes through inner tube (14) Catcher (9) at the top of the core pipe of giving up (11) of gingival cyst of mucous gland in the newborn button (16) and next group of packing tool (10) cooperates;The catcher (9) Interior to be equipped with multiple groups snap ring cooperation corresponding with gingival cyst of mucous gland in the newborn button, the snap ring uses round-like structure.
Preferably, the outer wall of the lower part of above-mentioned inner tube (14) is equipped with multiple snap rings, by the snap ring of inner tube (14) with Catcher (9) cooperation at the top of the core pipe of giving up (11) of next group of packing tool (10);Be equipped in the catcher (9) multiple groups with The corresponding gingival cyst of mucous gland in the newborn snap fit of snap ring is closed, and the snap ring uses round-like structure.
Preferably, it is respectively equipped with ball seat (12) in every group of packing tool (10), the interior latus rectum of each ball seat (12) is by lower layer Packing tool is sequentially increased to upper layer packing tool, and corresponding steel ball size is also to be sequentially increased.
Preferably, it is suppressed by liquid, ball seat (12), which is moved downward to, gives up after investment steel ball in core pipe of giving up (11) Boss in core pipe, and steel ball is located at the downside of interior pack hole;When core pipe of giving up (11) above mentions, ball seat (12) and steel ball pass through The support of boss is suggested well head.
The beneficial effects of the present invention are: firstly, the present invention solves existing single zone compaction tool has and be unable to slicing and filling Problem overcomes and connects difficult problem between two tubing strings, reduces production cost, time saving and energy saving;
Second, the present invention is used cooperatively using multiple groups packing tool, realizes the slicing and filling of multiple oil reservoirs, and each fill Filling out giving up for tool core pipe and stays well casing column to cooperate, when being filled to oil reservoir deficit, by the cooperation of steel ball and ball seat, Pack hole in opening, is connected to interior pack hole with outer pack hole, the circulation canal of closing liquid, and then fills out with realizing;To set When annular space between pipe and sand screen is filled, by opening the circulation canal of liquid, realize that ring is filled out;In addition, being lost when giving up Hand core pipe drives annular sliding sleeve to move up, and is cut shear pin by shearing boss, realizes the sealing of annular sliding sleeve and interior pack hole, Exactly because also being cooperated using annular sliding sleeve with interior pack hole, the spring of the prior art is eliminated, therefore, avoids spring The a small amount of sand sedimentation of wriggling bring, keep the closing of pack hole more reliable with the cooperation for sealing sliding sleeve by shear pin, avoid The problem of closing failure of pack hole;
Third, the present invention is by compensator and catches the quick connection for catching device, realizes the quick connection of tubing string, and compensator energy It is enough flexible, construction is facilitated, operating efficiency is improved;In addition, having liquid transition cavity by design, can make on packing tool Upper circulation canal in connector can be very good to be connected to the lower circulation canal of packing tool lower contact, reduce machine-building at This, makes it be easily accomplished the connection of the two;
In short, the present invention solves the problems, such as that existing single zone compaction tool is unable to slicing and filling, existing fission is also overcomed The existing shifting as caused by a small amount of sand of interior filling tubing string and outer filling tubing string in the layering squeeze pack tool of formula design Difficult problem is moved, its malfunctioning switch is avoided and positions inaccurate problem, easier realizes the layering to multiple oil reservoirs Ground is filled out to be filled out with ring, moreover, can preferably realize that ring is filled out by establishing liquid circulation channel, improve operating efficiency, is reduced Cost.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of one group of packing tool of the invention;
Attached drawing 2 is the operation schematic diagram after packing tool steel ball is cast;
Attached drawing 3 is the structural schematic diagram of compensator;
Attached drawing 4 is to catch the structural schematic diagram for catching device;
Attached drawing 5 is the structural schematic diagram of packing tool lower contact;
Attached drawing 6 is the schematic diagram of two layers of filling;
Attached drawing 7 is the schematic diagram of three layers of filling;
In upper figure: compensator 1, core pipe of giving up lower contact 2, packing tool lower contact 3, sealing sliding sleeve 4, layering return connector 5, packing tool top connection 6, packer 7, shearing boss 8, catch catch device 9, packing tool 10, core pipe of giving up 11, ball seat 12, sealing Cavity 13, inner tube 14, screw buckle 15, gingival cyst of mucous gland in the newborn button 16, snap ring 17, shear pin 18, liquid transition cavity 19, retractable support ring 20, branch Support boss 21, groove 22, outer pack hole 23, outer tube 24, pipe screw thread 25, sealing ring 26, blind plugging 27, sand screen 28, core pipe 29, punching Pipe 30, steel ball 31.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1, referring to attached drawing 1, a kind of monoblock type slicing and filling device that the present invention mentions, technical solution is: main It to be connected and be formed by two groups of packing tools 10, sand screen 28, washing pipe 30 and packer 7, the inner cavity of packing tool 10 passes through washing pipe 30 connections, outer wall are connected by sand screen 28, and the top of every group of packing tool 10 is equipped with packer 7, bottom one group of stower The bottom of tool 10 is equipped with blind plugging 27, and every group of packing tool 10 is separately positioned on corresponding oil reservoir filling position;Wherein, the filling Tool 10 includes packing tool lower contact 3, sealing sliding sleeve 4, layering return connector 5, packing tool top connection 6, core pipe of giving up 11 With ball seat 12, well casing column is stayed in the connection layering formation of return connector 5 between packing tool top connection 6 and packing tool lower contact 3, loses Hand core pipe 11 is fixed on the inner cavity for staying well casing column, and the inner cavity of core pipe of giving up 11 is equipped with boss, and ball seat 12 is installed in the top of boss, Interior pack hole is additionally provided with above boss;The inner wall of the layering return connector 5 is equipped with sealing cavity, is matched by sealing sliding sleeve 4 Turning off or on for external pack hole is closed, and is layered in return connector 5 equipped with upper circulation canal up and down (in referring to Fig.1 Dotted portion), the annular space between top and packing tool top connection 6 and core pipe 11 of giving up is connected to, under lower part and packing tool The lower circulation canal (dotted portion in referring to Fig.1) being equipped in connector 3 is connected to by liquid transition cavity, is formed by core of giving up Pipe 11 is by the annular space of interior pack hole, outer pack hole, packing tool 10 and casing, packing tool lower contact 3 and core pipe 11 of giving up Between annular space, the lower circulation canal of packing tool lower contact 3, liquid transition cavity, be layered return connector 5 upper circulation it is logical Road, the annular space between packing tool top connection 6 and core pipe 11 of giving up, the entire circulation canal for forming liquid.
It should be understood that upper circulation canal does not intersect with outer pack hole, it is not connected to mutually, upper circulation canal is only under It is connected between circulation canal, load fluid or liquid is avoided to be directly entered upper circulation canal by outer pack hole.
Wherein, the sealing cavity and sealing sliding sleeve 4 for being layered 5 inner wall of return connector cooperate, and the upside of sealing cavity, which is equipped with, cuts Boss 8 is cut, downside is equipped with support rim 21, and the downside of sealing sliding sleeve 4 is connected and fixed by shear pin with core pipe 11 of giving up, core of giving up When pipe 11 above mentions, shearing boss and the top for sealing sliding sleeve 4 interact, so that shear pin be cut, be layered sealing sliding sleeve 4 will The outer pack hole of return connector 5 seals;In addition, shearing boss 8, which is equipped with sealing ring, realizes that core pipe 11 of giving up divides water to connect with layering The sealing of first 5 inner wall;Realize give up core pipe 11 and layering return connector 5 inside and outside sealing sliding sleeve 4 by sealing ring respectively Sealing.
In addition, it is empty to form liquid transition between 3 top of packing tool lower contact on the downside of the inner wall of layering return connector 5 Chamber, wherein the top of packing tool lower contact 3 is local crowning, is contacted by local crowning with layering return connector 5 to shape At the liquid transition cavity 19, it is equipped with retractable support ring 20 in liquid transition cavity 19, is slided by retractable support ring and sealing The notch cooperation for covering 4 lower outsides will seal sliding sleeve 4 and be limited in the sealing cavity of layering 5 inner wall of return connector.Therefore, it keeps away Exempt from there is the problem of a small amount of sand caused by the spring in documents is wriggled, has made to fill by the cooperation of shear pin and sealing sliding sleeve The closing of filling perforation is more reliable.
Referring to attached drawing 3, the lower end of packing tool lower contact 3 of the invention connects washing pipe 30, is connected and is compensated by washing pipe 30 Device 1, the compensator 1 include inner tube 14, outer tube 24, sealing ring 26, and the lower end of the outer tube 24 is equipped with inner convex platform, with inner tube 14 The outer lug boss at top cooperates, and the outside of the outer lug boss is equipped with one or more sealing ring 26, is existed by inner tube 14 The flexible of compensator 1 is realized in moving up and down for 24 inner cavity of outer tube, and the inner cavity top of outer tube 24 is equipped with pipe screw thread 25.
Further, referring to attached drawing 3, the outer wall of the lower part of inner tube 14 is equipped with multiple gingival cyst of mucous gland in the newborn buttons 16, passes through the horse of inner tube 14 Tooth button 16 and the catcher 9 at 11 top of core pipe of giving up of next group of packing tool 10 cooperate;Be equipped in the catcher 9 multiple groups with The corresponding snap ring 17 of gingival cyst of mucous gland in the newborn button cooperates, and the snap ring uses round-like structure.
Ball seat 12 is respectively equipped in every group of packing tool 10, the interior latus rectum of each ball seat 12 is by lower layer's packing tool to upper layer Packing tool is sequentially increased, and the diameter of corresponding steel ball 31 is also to be sequentially increased.
Referring to attached drawing 2, after putting into steel ball 31 in core pipe 11 of giving up, suppressed by liquid, ball seat 12, which is moved downward to, to be lost Boss in hand core pipe, and steel ball 31 is located at the downside of interior pack hole;And when core pipe 11 of giving up above mentions, ball seat 12 and steel ball are logical The support for crossing boss is suggested well head, it should be understood that being equipped with sleeve valve at wellhead casing pipe, wherein close casing valve Door and when being injected downwardly into liquid or load fluid, may be implemented to fill out to Filling sand;When opening sleeve valve and inject When liquid or load fluid, it may be implemented to fill sand at the annular space between sand screen and casing, i.e. ring is filled out.
Referring to attached drawing 6, a kind of application method for monoblock type slicing and filling device that the present invention mentions, technical solution is packet Include following steps:
One, lower tubular column: the tripping in blind plugging 27 in the casing of oil well, then tripping in sand screen 28,28 lower part of sand screen and blind plugging 27 connections, then first group of packing tool 10 of tripping in, sand screen 28 are connect with packing tool 10 by packing tool lower contact 3, together When the give up catcher on 11 top of core pipe connect with the core pipe lower contact 2 of giving up of second group of packing tool 10 by compensator;According to Secondary connection forms two groups or more packing tool, is equipped with packer 7 on the top of each group of packing tool 10;
Two, it fills out with carrying out first layer and is filled out with ring: putting into the steel ball of first layer respective diameters into core pipe 11 of giving up from well head 31, steel ball falls in the top of the ball seat 12 of the packing tool of first layer, then injects liquid into core pipe 11 of giving up from well head, pressure Power reaches 18 megapascal or more, and packer 7 is setting, and (schematic diagram when display is packer non-distending in Fig. 6 passes through under lower going-into-well Liquid suppress rear packer can distending realize it is setting), ball seat 12, which is moved downward at boss, to be stopped, at this point, steel ball be located at it is interior The downside of pack hole, interior pack hole are opened, formed by give up core pipe 11 by interior pack hole, outer pack hole, packing tool 10 with The lower circulation canal of annular space, packing tool lower contact 3 between the annular space of casing, packing tool lower contact 3 and core pipe 11 of giving up, Liquid transition cavity, the upper circulation canal for being layered return connector 5, the annular space between packing tool top connection 6 and core pipe 11 of giving up, The entire circulation canal for forming liquid;At this moment, the sleeve valve for closing well head closes the circulation canal of liquid, by giving up Load fluid is injected in core pipe 11, pressure is gradually promoted, and is filled sand to the undermost oil reservoir of oil well, is filled out with carrying out, until reaching The filling pressure set points of the oil reservoir, stop suppressing, and carry out pressure diffusion, fill out with completing;The sleeve valve for opening well head again, is opened The circulation canal for opening liquid, by injecting load fluid into core pipe 11 of giving up, pressure is gradually promoted, and load fluid passes through sand screen Afterwards, liquid flows out the casing of well head by the circulation canal of liquid, and sand is deposited in the annular space between casing and sand screen, directly It fills up and tamps to annular space, first layer ring is completed into;
Three, it fills out with carrying out the second layer and is filled out with ring: putting into second layer respective diameters into core pipe 11 of giving up from well head for the second time Steel ball, steel ball falls in the top of the ball seat 12 of the packing tool of the second layer, then injects liquid into core pipe 11 of giving up from well head Body, pressure reach 18 megapascal or more, and the packer 7 on the packing tool top of the second layer is setting, and ball seat 12 is moved downward to convex Stop at platform, at this point, steel ball is located at the downside of the interior pack hole of the packing tool of the second layer, interior pack hole is opened, and core of giving up The downward channel of pipe 11 is blocked, and liquid enters the liquid circulation channel of second layer packing tool;
At this moment, it is again switched off the sleeve valve of well head, the circulation canal of the liquid of second layer packing tool is closed, is passed through Load fluid is injected in core pipe of giving up 11, pressure is gradually promoted, and fills sand to the oil reservoir of the oil well second layer, it fills out with carrying out, until The filling pressure set points for reaching the oil reservoir, stop suppressing, and carry out pressure diffusion, the ground for completing the second layer is filled out;Well head is opened again Sleeve valve, open the circulation canal of liquid, by injecting load fluid in core pipe 11 of giving up, pressure is gradually promoted, load fluid After sand screen, liquid flows out the casing of well head, sand sedimentation by the circulation canal of the liquid of the packing tool of the second layer In annular space between the casing and sand screen of the second layer, tamped until filling up, second layer ring is completed into;
Four, it gives up: being formed by packing tool top connection 6, packing tool lower contact 3 and layering return connector 5 and stayed well Tubing string above proposes core pipe 11 of giving up by wellhead assembly, and core pipe of giving up 11 is moved up by shear pin band dynamic sealing sliding sleeve 4, when being moved to When shearing boss, shearing boss and the top for sealing sliding sleeve 4 interact, so that shear pin be cut, make outer filling bore closure, by It stays the tubing string of well casing column and sand screen formation filter sand then to stay in the position of corresponding oil reservoir, provides filter sand for subsequent oil producing operation Function;Core pipe of giving up 11 drives the compensator of connection and ball seat, the steel ball of inner cavity to propose well head together, completes operation of giving up.
Embodiment 2, referring to attached drawing 7, difference from Example 1 of the present invention is three groups of packing tools of tripping in oil well, Slicing and filling operation is carried out to three groups of oil reservoirs.When specific operation, step 3 can be repeated, connects and three component layers is filled under lower going-into-well Tool is filled out, realizes that three layers of hierarchically filling out for oil reservoir are filled out with ring.
Embodiment 3, the present invention is a difference in that with Examples 1 and 2: the outer wall of the lower part of inner tube 14 of the invention is equipped with Multiple snap rings 17 are cooperated by the snap ring of inner tube 14 and the catcher 9 at 11 top of core pipe of giving up of next group of packing tool 10;Institute It states and is equipped with multiple groups gingival cyst of mucous gland in the newborn snap fit conjunction corresponding with snap ring in catcher 9, the snap ring uses round-like structure.
Structure of the invention can equally complete to give up core pipe (11) and each group packing tool (10) effectively connect and consolidates It is fixed, it can equally play the role of embodiment 1 or 2.
The above, is only part preferred embodiment of the invention, and anyone skilled in the art may benefit Equivalent technical solution is modified or is revised as with the technical solution of above-mentioned elaboration.Therefore, technology according to the present invention Any simple modification or substitute equivalents that scheme is carried out, belong to the greatest extent the scope of protection of present invention.

Claims (2)

1. a kind of monoblock type slicing and filling device, it is characterized in that: mainly by a group or more of packing tools (10), filter sand It manages (28), washing pipe (30) and packer (7) connection composition, the inner cavity of packing tool (10) to connect by washing pipe (30), outer wall is logical Sandpipe (28) connection is filtered, the top of every group of packing tool (10) is equipped with packer (7), bottom one group of packing tool (10) Bottom is equipped with blind plugging (27), and every group of packing tool (10) is separately positioned on corresponding oil reservoir filling position;Wherein, the stower Tool (10) includes packing tool lower contact (3), sealing sliding sleeve (4), layering return connector (5), packing tool top connection (6), loses Hand core pipe (11) and ball seat (12), connection layering return connector between packing tool top connection (6) and packing tool lower contact (3) (5) it being formed and stays well casing column, core pipe of giving up (11) is fixed on the inner cavity for staying well casing column, and the inner cavity of core pipe of giving up (11) is equipped with boss, Ball seat (12) is installed in the top of boss, is additionally provided with interior pack hole above boss;The inner wall of the layering return connector (5) is set There is sealing cavity, turning off or on for external pack hole is cooperated by sealing sliding sleeve (4), and be layered in return connector (5) and be equipped with Upper circulation canal up and down, the annular space between top and packing tool top connection (6) and core pipe of giving up (11) are connected to, lower part It is connected to, is formed by core pipe of giving up (11) by liquid transition cavity with the lower circulation canal being equipped in packing tool lower contact (3) By the annular space of interior pack hole, outer pack hole, packing tool (10) and casing, packing tool lower contact (3) and core pipe of giving up (11) the lower circulation canal of annular space, packing tool lower contact (3) between, is layered the upper of return connector (5) at liquid transition cavity Circulation canal, the annular space between packing tool top connection (6) and core pipe of giving up (11), the entire circulation canal for forming liquid;Institute Liquid transition cavity is formed between on the downside of the inner wall for the layering return connector (5) stated and at the top of packing tool lower contact (3), In, the top of packing tool lower contact (3) is local crowning, is contacted by local crowning with layering return connector (5) to shape At the liquid transition cavity, it is equipped with retractable support ring in liquid transition cavity, by under retractable support ring and sealing sliding sleeve (4) Notch cooperation on the outside of portion will seal sliding sleeve (4) and be limited in the sealing cavity of layering return connector (5) inner wall.
2. monoblock type slicing and filling device according to claim 1, it is characterized in that: in the layering return connector (5) The sealing cavity and sealing sliding sleeve (4) cooperation of wall, the upside of sealing cavity are equipped with shearing boss, and downside is equipped with support rim, close The downside of envelope sliding sleeve (4) is connected and fixed by shear pin with core pipe of giving up (11), when core pipe of giving up (11) above mentions, shear boss with it is close The top interaction of sliding sleeve (4) is sealed, so that shear pin be cut, makes to seal the outer filling of sliding sleeve (4) will return connector (5) are layered Hole sealing.
CN201710958471.7A 2017-10-16 2017-10-16 A kind of monoblock type slicing and filling device Active CN107829778B (en)

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CN201710958471.7A CN107829778B (en) 2017-10-16 2017-10-16 A kind of monoblock type slicing and filling device
CN201811439239.3A CN109339862B (en) 2017-10-16 2017-10-16 integral layered filling device

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CN201710958471.7A CN107829778B (en) 2017-10-16 2017-10-16 A kind of monoblock type slicing and filling device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201811439239.3A Division CN109339862B (en) 2017-10-16 2017-10-16 integral layered filling device

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CN107829778A CN107829778A (en) 2018-03-23
CN107829778B true CN107829778B (en) 2018-12-07

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042776B (en) * 2018-10-11 2023-08-04 中国石油化工股份有限公司 Anti-crossflow layered filling sand prevention pipe column and method
CN109779580B (en) * 2019-02-22 2022-01-25 山东立鑫石油机械制造有限公司 Double-layer bidirectional filling device for layered oil extraction
CN109826596A (en) * 2019-02-22 2019-05-31 宋肖萍 A kind of application method of the double-layer double-direction device for filling for oil production by layer
CN112814629A (en) * 2019-11-18 2021-05-18 东营市蕴东石油科技有限公司 One-time washing and two-way filling sand prevention pipe column
CN113431514B (en) * 2021-07-08 2022-12-27 中石化石油工程技术服务有限公司 Anti-erosion circulation well-flushing tool capable of improving well-flushing effect
CN113969765A (en) * 2021-09-06 2022-01-25 中海油能源发展股份有限公司 Horizontal open hole gravel packing tool with standby channel and operation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603574A (en) * 2004-11-03 2005-04-06 中国石化胜利油田有限公司采油工艺研究院 Layered pipe column for squeeze packing sand control process
CN103437742A (en) * 2013-07-18 2013-12-11 中国石油化工股份有限公司 Sand-replenishing tool for rapidly opening and closing filling channel
CN203891848U (en) * 2014-02-27 2014-10-22 孔利生 Integrated extrusion sand control filling device
CN204827256U (en) * 2015-08-07 2015-12-02 中国石油化工股份有限公司 Seal up and adopt down screen pipe and fill sand control integration operating tool string

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2479190Y (en) * 2001-01-18 2002-02-27 黄翔 Oil wall circulating gravel packing and sand control tool
US6837308B2 (en) * 2001-08-10 2005-01-04 Bj Services Company Apparatus and method for gravel packing
CN2688888Y (en) * 2004-03-23 2005-03-30 中国石化胜利油田有限公司采油工艺研究院 Squeezing filled sand preventing column without casing pressure
CN201474678U (en) * 2009-09-04 2010-05-19 孔利生 Sand control pipe string for sand washing and packing
CN101906954A (en) * 2010-08-05 2010-12-08 中国石油化工股份有限公司 Layering sand-control layering oil production integrated pipe column
CN203685100U (en) * 2014-02-08 2014-07-02 东营百华石油技术开发有限公司 Layered filling sand prevention ball catching device
CN103726812A (en) * 2014-02-08 2014-04-16 东营百华石油技术开发有限公司 Sand-washing, filling and sand-preventing integrated tubular column
CN204140034U (en) * 2014-09-19 2015-02-04 胜利油田华滨机制管件有限责任公司 Well selective sand control tubing string

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603574A (en) * 2004-11-03 2005-04-06 中国石化胜利油田有限公司采油工艺研究院 Layered pipe column for squeeze packing sand control process
CN103437742A (en) * 2013-07-18 2013-12-11 中国石油化工股份有限公司 Sand-replenishing tool for rapidly opening and closing filling channel
CN203891848U (en) * 2014-02-27 2014-10-22 孔利生 Integrated extrusion sand control filling device
CN204827256U (en) * 2015-08-07 2015-12-02 中国石油化工股份有限公司 Seal up and adopt down screen pipe and fill sand control integration operating tool string

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