CN106050222A - Water searching and blocking tubular column of open-hole horizontal well - Google Patents
Water searching and blocking tubular column of open-hole horizontal well Download PDFInfo
- Publication number
- CN106050222A CN106050222A CN201610586137.9A CN201610586137A CN106050222A CN 106050222 A CN106050222 A CN 106050222A CN 201610586137 A CN201610586137 A CN 201610586137A CN 106050222 A CN106050222 A CN 106050222A
- Authority
- CN
- China
- Prior art keywords
- track groove
- packer
- track
- oil pipe
- outer tube
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The application discloses a water searching and blocking tubular column of an open-hole horizontal well. The tubular column comprises an oil tube with a vertical well section and a horizontal well section, a releasing packer disposed on the vertical well section as well as a setting mechanism, a first packer, a slide sleeve mechanism and a second packer which are successively disposed on the horizontal well section, and a pipe plug disposed on tail end of the oil tube, wherein the setting mechanism and the first packer form a jacketed wall liquid flow channel; the jacketed wall liquid flow channel communicates with or seals inside of the oil tube through axial motion of the oil tube; the slide sleeve mechanism comprises an outer tube and a slide sleeve which can be slid horizontally in the outer tube; the slide sleeve mechanism is equipped with a horizontal channel and a radial channel which do not communicate with each other; the slide sleeve comprises a first position at which the radial channel is plugged as well as a second position at which the radial channel is opened; the horizontal channel communicates with second packer with the jacketed wall liquid flow channel; and the radial channel can communicate the inside of the slide sleeve mechanism with external environments of the well.
Description
Technical field
The application relates to field of petroleum exploitation, particularly relates to a kind of open-hole horizontal well water detecting and plugging pipe column.
Background technology
At present, in petroleum recovery operations, part open-hole horizontal well faces aqueous rapid rising and oil production declines rapidly
Problem, therefore carry out fractured carbonate rock open-hole horizontal well and look for water blockoff, water blockoff and completion mode early-stage Study, be improve water
Horizontal well yield, it is achieved important measures of oilfield stable production.In order to realize above-mentioned early-stage Study, need open-hole horizontal well segmentation
In liquid be pumped into ground, and by chemically examining the fluid properties of aqueous this horizontal segment of judgement, and obtain different segmentation liquid
The temperature and pressure change of body, draws the fracture development status of this horizontal segment, to judge payzone character, under this horizontal segment
Step measure provides foundation.But, look for water-plugging technique domestic or blank for open-hole horizontal well, the most also do not have a maturation can
Water-plugging technique is looked for popularization and application.
For making up above-mentioned technological gap, Chinese patent ZL 201110345387.0 discloses a kind of open-hole horizontal well and looks for
Water pipe post, although this searching pipe column solves water detection problem, but, this patent is looked for water-plugging technique typically to use in enforcement and is managed twice
Post, and first implement the searching pipe column disclosed in patent, implement water plugging string after determining concrete water exit position again, thus
Add operating cost, also extend duty cycle, look for the present situation of water-plugging technique, the present invention for current domestic open-hole horizontal well
People, based on being engaged in relevant design and field experience and Professional knowledge, is actively improved and is innovated, it is proposed that a kind of bore hole level
Water blockoff integral tubular column looked for by well.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the application be to provide one be capable of open-hole horizontal well segmentation water detection,
The tubing string of water blockoff function, this tubing string has that efficiency is high, reliability high, and duty cycle is short, one-trip string can realize looking for water blockoff
Two kinds of technological measure features.
For reaching above-mentioned purpose, the application provides a kind of open-hole horizontal well water detecting and plugging pipe column,
For reaching above-mentioned purpose, the application provides a kind of open-hole horizontal well water detecting and plugging pipe column, including:
There is the oil pipe of peupendicular hole section and net horizontal section；
It is located at the back-off packer of described peupendicular hole section；
Order is located at the setting mechanism of described net horizontal section, the first packer, slider mechanism, the second packer, Yi Jishe
Plug in described oil pipe end；
Described setting mechanism forms double wall fluid course with described first packer；Described double wall fluid course is by described
Moving axially of oil pipe connects with described oil pipe inside or closes；
Described slider mechanism includes outer tube and the sliding sleeve that energy level is slided in described outer tube；Described slider mechanism sets
There are not connected horizontal channel and radial passage；Described sliding sleeve has and blocks the primary importance of described radial passage and open
The second position of described radial passage；Described second packer is connected by described horizontal channel with described double wall fluid course；
The inside of described slider mechanism can be connected by described radial passage with outside well.
Preferably, in described slider mechanism, it is fixedly installed inner sleeve in described sliding sleeve, crosses fluid, connector；Outside described
The interior section undergauge of pipe forms varying diameter portion；The end face of varying diameter portion described in the lower end contact of described connector；Described sliding sleeve is sheathed
In described connector；Described fluid of crossing is provided with the first through hole its level run through；Described varying diameter portion is provided with described radial direction and leads to
Road and the second through hole that its level is run through；
Annular space between described inner sleeve and described outer tube, described first through hole, between described connector and described outer tube
Annular space and described second through hole sequentially communicate the described horizontal channel of formation.
Preferably, described sliding sleeve fixed sleeves is provided with inner tube；Said inner tube is positioned at described connector；Set in said inner tube
Track groove and connection is had to have spring, described connector to be provided with the track nail stretched in described track groove；Described sliding sleeve upper
Face area is more than its lower surface area；The cooperation that described sliding sleeve is followed closely by described track groove, described spring and described track
Can switch between described primary importance and the described second position.
Preferably, described track groove includes switching slot, along axially extended first track groove of said inner tube and along outside described
Manage axially extended second track groove；Described first track groove and described second track groove are circumferentially spaced along described outer tube, institute
State the first track groove, described second track groove and described spring and be positioned at described switching slot side；Described switching slot is by described
One track groove and the connection of described second track groove；Described spring gives said inner tube along described outer tube axially away from described switching
The power of groove；
When described track nail moves relative to described switching slot, described track nail can give said inner tube along described outer tube week
To the power rotated and by the effect of described spring so that described track is followed closely in described first track groove and described second track groove
Between switch；
It is described that described track nail is positioned at being positioned at away from described sliding sleeve during the end of described switching slot of described first track groove
Primary importance, it is described that described track nail is positioned at being positioned at away from described sliding sleeve during the end of described switching slot of described second track groove
The second position.
Preferably, described switching slot, described first track groove and described second track groove are multiple, described first track
In groove and described second track groove, the most adjacent two grooves are connected by a described switching slot.
Preferably, described first track groove and described second track groove uniformly distribute alternately along the circumference of said inner tube.
Preferably, described switching slot axially has away from described first track groove and described second track groove along described outer tube
End, it is axially the most right with the end of described first track groove or described second track groove that described switching slot includes along described outer tube
The first hypotenuse and with the end of described switching slot just to the second hypotenuse；Described first hypotenuse is passed through the end of described track groove
Portion, described second hypotenuse is passed through described first track groove or described second track groove.
Preferably, described oil pipe is provided with inner screw plug, described oil pipe between described slider mechanism and described second packer
Described horizontal channel and described second packer it is communicated with on wall between described inner screw plug and described second packer
Third through-hole.
Preferably, the club seat being arranged in described oil pipe is also included；Described club seat be located at described first packer with
Between described slider mechanism；Described club seat can coordinate with a club and sets.
Preferably, described oil pipe is additionally provided with at least one centralizer.
By above description it can be seen that the open-hole horizontal well water detecting and plugging pipe column that provided of present embodiment, by losing
Hands packer matches with slider mechanism, recycles the action diameter of slider mechanism after utilizing slider mechanism to determine oil reservoir water outlet
To the closure of passage, completing to give up finally by back-off packer realizes water detection water blockoff, and therefore, it is naked that present embodiment is provided
Eye horizontal well water detecting and plugging pipe column is capable of open-hole horizontal well segmentation water detection, water blockoff function, and one-trip string i.e. can realize looking for stifled
Two kinds of technological measures of water.
With reference to explanation hereinafter and accompanying drawing, disclose in detail only certain exemplary embodiments of this invention, specify the former of the present invention
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit requires, embodiments of the present invention include many changes, revise and be equal to.
The feature described for a kind of embodiment and/or illustrate can be in same or similar mode one or more
Other embodiment individual uses, combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term " includes/comprises " existence referring to feature, one integral piece, step or assembly herein when using, but also
It is not excluded for the existence of one or more further feature, one integral piece, step or assembly or additional.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those skilled in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of open-hole horizontal well water detecting and plugging pipe column of the present invention；
Fig. 2 is the structural representation of the setting mechanism of the present invention；
Fig. 3 is the first packer construction schematic diagram of the present invention；
Fig. 4 is the amplification assumption diagram of part A in Fig. 3；
Fig. 5 is the slider mechanism structural representation of the present invention；
Fig. 6 is cross-sectional view at the A-A of Fig. 5；
Fig. 7 is cross-sectional view at the B-B of Fig. 5；
Fig. 8 is the track groove structural representation of Fig. 5；
Fig. 9 is the structural representation of the club of the present invention.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained on the premise of not making creative work, all should belong to the present invention and protect
The scope protected.
It should be noted that when element is referred to as " being arranged at " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein "and/or" includes one or more
Arbitrary and all of combination of relevant Listed Items.
Refer to Fig. 1 to Fig. 9, the application one embodiment provides a kind of open-hole horizontal well water detecting and plugging pipe column, including: tool
There is the oil pipe 1 of peupendicular hole section and net horizontal section；It is located at the back-off packer 2 of described peupendicular hole section；Order is located at described horizontal well
Setting mechanism 4, first packer 5 of section, slider mechanism the 6, second packer 7 and be located at the plug of described oil pipe 1 end
14；Described setting mechanism 4 forms double wall fluid course with described first packer 5；Described double wall fluid course passes through described oil
Moving axially of pipe 1 connects with described oil pipe 1 inside or closes；Described slider mechanism 6 includes outer tube 61 and at described outer tube
The sliding sleeve 62 that in 61, energy level is slided；Described slider mechanism 6 is provided with not connected horizontal channel and radial passage 672；Institute
State sliding sleeve 62 and there is the primary importance blocking described radial passage 672 and the second position opening described radial passage 672；Described
Described second packer 7 is connected by horizontal channel with described double wall fluid course；Described radial passage 672 can be by described sliding sleeve
The inside of mechanism 6 connects with outside well.
When using the open-hole horizontal well water detecting and plugging pipe column of above-mentioned present embodiment, first this tubing string is lowered into design attitude and
Sliding sleeve 62 is positioned at the second position.First, blocking oil pipe 1 internal channel, inject liquid and suppress outside well, liquid stream is through setting mechanism 4
Double wall (double wall fluid course) enter in the first packer 5.Wherein, the first packer 5 is inflatable packer, and pressure reaches
Can expand after certain value and set, insulate Open-Hole Section, and liquid stream can enter the water of slider mechanism 6 by double wall fluid course
Flat passage and then enter the second packer 7, thus sets the second packer 7, and this just can realize by the first packer 5 and the
Two packers 7 block a layer to be tested.Owing to now sliding sleeve 62 is positioned at the second position, the radial passage 672 in slider mechanism 6
Its inside is connected with layer to be tested.Then, under in well extroversion oil pipe 1, enter aspirator, this layer to be tested is taken out
Inhale, if this layer of water outlet, can enter in oil pipe 1 through the hole, radial passage 672 of slider mechanism 6, and then extract ground out.Determine
Outside well, increase oil pipe 1 pressure after this layer of water outlet, the sliding sleeve 62 of slider mechanism 6 is pushed to primary importance, thus by sliding sleeve 62
Radial passage 672 is closed, now separates in water-yielding stratum (layer to be tested) and oil pipe 1, continue to increase oil pipe 1 pressure, make to give up
Packer 2 is given up, and is taken out in well by back-off packer more than 2 tubing string, completes to look for water-plugging technology.
By above description it can be seen that the open-hole horizontal well water detecting and plugging pipe column that provided of present embodiment, by losing
Hands packer 2 matches with slider mechanism 6, recycles the action of slider mechanism 6 after utilizing slider mechanism 6 to determine oil reservoir water outlet
Closure to radial passage 672, completing to give up finally by back-off packer 2 realizes water detection water blockoff, therefore, present embodiment institute
The open-hole horizontal well water detecting and plugging pipe column provided is capable of open-hole horizontal well segmentation water detection, water blockoff function, and one-trip string is the most permissible
Realize looking for two kinds of technological measures of water blockoff.
In one embodiment, back-off packer 2 can include giving up part (not shown), packing part (is not shown
Go out), anchor portion (not shown).The duty of this back-off packer 2 can be divided into the process of setting, process of giving up and solve
Envelope process.During setting, by oil pipe 1, back-off packer 2 being delivered to planned well section, add hydraulic pressure from oil pipe 1, liquid enters
Enter back-off packer 2 and set working chamber, promote coupling sleeve to move down, cut off shear pin, promote cone to move, strut slips anchor
Fixed, while coupling sleeve moves, discharge lock dog, make wedging ring move up, extrude packing element, Seal Oil, collar-shaped space, envelope
Set complete every device.During giving up, after packer setting, continuing pressurization, hydraulic drive piston of giving up moves, and cuts off
Shear pin, the locking cylinder that makes to give up moves, and discharges lock dog, and lower contact of giving up is stayed in well with packer, it is achieved give up.In deblocking process
In, under enter make-up and drag for lance to back-off packer 2, lower pressure pipe post, make point claw dragging for lance enter the salvaging on back-off packer 2 top
Position, upper lifting pipe post can complete deblocking.
In one embodiment, during described setting mechanism 4 is respectively provided with described first packer 5 and is connected with oil pipe 1
Heart pipe.Wherein, it is provided with the first central canal 11 in setting mechanism 4, the first packer 5 is provided with the second central canal 12.First center
The upper end connected pipes 1 of pipe 11, lower end connects the second central canal 12, and the lower end of the second central canal 12 connects slider mechanism 6.Described
Double wall fluid course can realize internal with described oil pipe 1 connecting or closing by moving axially of described central canal, due in
Heart pipe is connected with oil pipe 1, can be real so realizing moving axially of oil pipe 1 by lifting oil pipe 1 or promotion oil pipe 1 outside only needing well
Existing double wall fluid course is internal with described oil pipe 1 to be connected or closes.
Further, as in figure 2 it is shown, setting mechanism 4 can include overcoat 41 and axial diversion passage 42, overcoat 41 slides
The outside being set in the first central canal 11；Axial diversion passage 42 is opened in overcoat 41 vertically, axial diversion passage 42
Upper end closed, the first central canal 11 radially offer on the tube wall of side, axial diversion passage 42 upper end feed liquor lead to
Hole 43, to connect the first central canal 11 and axial diversion passage 42 so that flowing into the pressure fluid in the first central canal 11 can
Entered in axial diversion passage 42 by this feed liquor through hole 43.After axial diversion passage 42 is full of enough pressure fluids,
Under the effect of external force, the first central canal 11 overcomes resistance descending relative to overcoat 41 so that feed liquor through hole 43 is displaced downwardly to overcoat
The downside of 41 so that feed liquor through hole 43 is closed；When needs discharge pressure liquid, the first central canal 11 is relative on overcoat 41
OK so that moving on feed liquor through hole 43 and be conducted with axial diversion passage 42, feed liquor through hole 43 is opened；So by the first center
Pipe 11 is relative to the slip of overcoat 41, thus controls described feed liquor through hole 43 opening and closing of fault.
Further, as in figure 2 it is shown, setting mechanism 4 can also include: first top connection the 44, first lower contact 45, box cupling
46, sheath 47, connector 6548 and conducting element 49, the first top connection 44 and the first lower contact 45 are connected to the first central canal
The two ends of 11, oil pipe 11 is connected by the first top connection 44 with the first central canal 11；First central canal 11 and the second central canal
12 are connected by the first lower contact 45 so that oil pipe the 11, first central canal the 11, second central canal 12 is connected.Box cupling 46 overlaps
It is connected on the outside of the first lower contact 45, for being connected with the first packer 55.
It is additionally provided with at least one centralizer on described oil pipe 1.Wherein, as it is shown in figure 1, back-off packer 2 with set machine
Being provided with horizontal well centralizer 3 between structure 4, this horizontal well centralizer 3 is positioned at net horizontal section.Between second packer 7 and plug 14
It is provided with horizontal well centralizer 8.This centralizer 8 can be at net horizontal section by the righting in pit shaft of this water detecting and plugging pipe column.
Described first packer 5 is amplificate packer with described second packer 7, different from above-mentioned back-off packer 2.
First packer 5 and the second packer 7 only have and set and decapsulation functions.By oil pipe 1, double wall fluid course, level outside well
Passage is feed liquor in the first packer 5 and the second packer 7, makes the first packer 5 expand with the second packer 7 and sets.Wherein,
First packer 5 is sandwich wall type packer, and the second packer 7 can be identical with the first packer 5, it is also possible to the first packer
5 is different.
In one embodiment, as shown in Figure 3, Figure 4, the first packer 55 may include that the first packing element 51, is set in
The outside of the second central canal 12；There is the first axial gap 52, between first is axial between first packing element 51 and the second central canal 12
Gap 52 is connected with axial diversion passage 42, so make pressure fluid pass through axial diversion passage 42 enter to first axially between
In gap 52, to realize the expansion of the first packer 55, play packing effect.
Further, as it is shown on figure 3, the first packer 55 can also include: the second top connection 53, outer female connector 54, connection
Part 55, box cupling 46 is connected by the second top connection 53 with the first packing element 51；Outer female connector 54 is connected to the lower end of the first packing element 51；
Connector 55 is connected between outer female connector 54 and baffle 49.
As what the lower packet disclosed in Chinese patent ZL 201110345387.0 was used with upper packer is
Sandwich wall type packer, and in actual production operation, whole to be checked owing to be separated out between upper packer and lower packet
Testing layer, interval is up to hundreds of meters the most therebetween, it is clear that the part flow arrangement of Chinese patent ZL 201110345387.0 axial
Passage cannot provide this length, even if providing produced cost huge, it is difficult to carry out actual output, if upper packer with under
Oil pipe between packer is related to sandwich wall type oil pipe, does not the most disclose this type oil pipe, and produces this kind of oil pipe manufacture
Cost is the hugest, is difficult to actual output equally.
In view of this problem, as it is shown in figure 1, in the water detecting and plugging pipe column of present embodiment, described oil pipe 1 is at described sliding sleeve
It is provided with inner screw plug 9 between mechanism 6 and described second packer 7.Inner screw plug 9 position by oil pipe 1 inside be separated into mutually the most not
Two sections communicated.Described oil pipe 1 is communicated with described level on the wall between described inner screw plug 9 and described second packer 7
The third through-hole (non-label) of passage and described second packer 7.Wherein, radial passage 672 by band inspected layer be positioned at internal thread
The internal connection of oil pipe 1 above in the of stifled 9, third through-hole by internal to horizontal channel and the oil pipe 1 that is positioned at below inner screw plug 9 connecting (
In present embodiment, top, lower section all can be relatively distant from oil pipe 1 end and are top for the end of oil pipe 1,
Relatively close oil pipe 1 end is lower section).The inlet that sets of the second packer 7 is passed directly into oil pipe 1 inside, need not
Double wall is set.Suppress feed liquor to enter be positioned at the oil pipe 1 below inner screw plug 9 through double wall feed pathway, horizontal channel, third through-hole
The inside entering back into the second packer 7 behind portion can make the second packer 7 expansion set.
It can be seen that present embodiment is by arranging inner screw plug 9, present embodiment can utilize the oil pipe 1 of partial-length
Realize setting the flow channel of liquid stream, both can reduce cost, there is again preferably adaptation production scene, oil field, it is possible to preferably
It is applied in the actual production of oil field.
As shown in Fig. 5 to Fig. 8, in described slider mechanism 6, it is fixedly installed inner sleeve 68 in described sliding sleeve 62, crosses fluid
63, connector 65.The interior section undergauge of described outer tube 61 forms varying diameter portion 67.Become described in the lower end contact of described connector 65
The end face in footpath portion 67.Described sliding sleeve 62 is sheathed in described connector 65.As shown in Figure 6, described fluid 63 of crossing is provided with Jiang Qishui
Flat the first through hole 631 run through.As it is shown in fig. 7, described varying diameter portion 67 is provided with described radial passage 672 and its level is run through
The second through hole 671.Annular space between described inner sleeve 68 and described outer tube 61, described first through hole 631, described connector 65 with
Annular space and described second through hole 671 between described outer tube 61 sequentially communicate the described horizontal channel of formation.
Concrete, shown inner sleeve 68, described fluid 63, described connector 65 excessively are structure of tube body and are sheathed on described cunning
Outside set 62.Crossing fluid 63 to be connected axially between inner sleeve 68 and connector 65 along outer tube 61, described fluid 63 excessively can be with described
The inwall of outer tube 61 is fixing to be connected, the most threaded, thinks that inner sleeve 68, connector 65 provide fixed position.
Further, described sliding sleeve 62 fixed sleeves is provided with inner tube 69；Said inner tube 69 is positioned at described connector 65.Institute
State inner tube 69 and be provided with track groove and connection has spring 66.Described connector 65 is provided with the track stretched in described track groove
Nail 64.The upper surface area of described sliding sleeve 62 is more than its lower surface area.Described sliding sleeve 62 is by described track groove, described spring
66 and described track nail 64 cooperation can switch between described primary importance and the described second position.Rely on described cunning
The upper surface of set 62 and the difference in areas of lower surface, when suppressing, the upper surface pressure of sliding sleeve 62 is more than the pressure of lower surface, thus
Make sliding sleeve 62 descending.
Described track groove includes switching slot, along axially extended first track groove of said inner tube 69 and along described outer tube 61 axle
To the second track groove extended；Described first track groove and described second track groove are circumferentially spaced along described outer tube 61, described
First track groove, described second track groove and described spring 66 are positioned at described switching slot side；Described switching slot is by described
One track groove and the connection of described second track groove；Described spring 66 gives said inner tube 69 along described outer tube 61 axially away from institute
State the power of switching slot.
Described track nail 64 moves relative to described switching slot that (in reality, track is followed closely 64 positions and fixed, switching slot and track
For relative motion between nail 64) time described track nail 64 can give power that said inner tube 69 circumferentially rotates and logical along described outer tube 61
Cross the effect of described spring 66 so that described track nail 64 switches between described first track groove and described second track groove.
Wherein, to be positioned at being positioned at away from described sliding sleeve 62 during the end of described switching slot of described first track groove described for described track nail 64
Primary importance, described track nail 64 is positioned at being positioned at away from described sliding sleeve 62 during the end of described switching slot of described second track groove
The described second position.
In conjunction with described above, switching slot is relied on (to be lifted by the first track groove when sliding sleeve 62 moves down under the effect of pressure differential
Example character, can also be currently the second track groove) switch to the second track groove, after stopping suppressing, rely on the effect of spring 66 to push away
The up end position making track nail 64 be positioned at the second track groove of dynamic sliding sleeve 62, thus complete primary importance and the second position
Switching.
Concrete, the sidewall of said inner tube 69 is provided with track groove, and described track groove can be on said inner tube 69 outer wall
The groove that can also be formed for partial outer face depression of erose through hole, it 64 can stretch into for described track nail
And the movement locus of described track nail 64 can be limited.Described track groove can be positioned close to the portion of said inner tube 69 upper end
Position.Rising or falling (move to left or move to right) by inner tube 69, described track nail 64 can be between primary importance and the second position
Switching, such that it is able to circulation is repeatedly for the water detection work of different oil reservoirs.
Referring to Fig. 8, described track groove can include described switching slot 111, described first track groove 112 and described second
Track groove 113.Described switching slot 111 is by described first track groove 112 and described second track groove along said inner tube 69 circumference
113 connections.Described first track groove 112 and described second track groove 113 all axially extending along said inner tube 69, concrete,
Described first track groove 112 and described second track groove 113 all extend towards the lower end 13 of said inner tube 69.Described switching slot 111
Described first track groove 112 and described second track groove 113 are connected away from one end of said inner tube 69 lower end.
The width of described first track groove 112 and described second track groove 113 and described track are followed closely 64 suitable, protect as far as possible
Demonstrate,prove described track nail 64 circumference when being positioned at described first track groove 112 or described second track groove 113 not have and rock.Described
First track groove 112 has predeterminable range, described predeterminable range with described second track groove 113 along the circumferentially-spaced of said inner tube 69
The angle oriented according to actual needs is set, such as: the angle corresponding to described predeterminable range can be 15 degree, Jin Er
When described track nail 64 is switched in described first track groove 112 by described second track groove 113, said inner tube 69 turns accordingly
Dynamic 15 degree.
Concrete, described switching slot 111 axially has away from described first track groove 112 and described the along said inner tube 69
The end of two track groove 113.Described switching slot 111 include along said inner tube 69 axially with described first track groove 112 or described
The end of the second track groove 113 just to the first hypotenuse 1111 and with the end of described switching slot 111 just to the second hypotenuse
1112.Described first hypotenuse 1111 is passed through the end of described track groove, and described second hypotenuse 1112 is passed through described first track groove
112 or described second track groove 113.Described first hypotenuse 1111 and described second hypotenuse 1112 all with the axis of said inner tube 69
Intersect, and then the first hypotenuse 1111 and described second hypotenuse described in when described track nail 64 moves axially along said inner tube 69
1112 can give described track follows closely 64 certain component along said inner tube 69 circumference.
As a example by shown in Fig. 8, the end position of described switching slot 111 is A point, and described first track groove 112 is away from described
The end position of switching slot 111 is B point, and described second track groove 113 is C point away from the end position of described switching slot 111, institute
The angle stating C point extremely described B point is 60 degree.When described water detecting and plugging pipe column is lowered into appointment position, described track nail 64 is positioned at described
B point position, now the outer oil pipe 1 of well is suppressed and is promoted inner tube 69 to decline, and then described track nail 64 rises to described first hypotenuse
1111, described first hypotenuse 1111 gives the described track nail 64 power along said inner tube 69 circumference, so that it possesses along described
The motion of inner tube 69 circumference, does not change the trend of described track nail 64 rising until described track nail 64 moves to A point position simultaneously
Putting, now suppress outside well, under the thrust of spring 66, said inner tube 69 is up, and now, described track nail 64 is by A point position
Dropping to the second hypotenuse 1112 just to A point, described second hypotenuse 1112 gives described track nail 64 equally along said inner tube 69
The power of circumference, so that it possesses moving along said inner tube 69 circumference, not changing described track follows closely 64 downward trends simultaneously
Until described track nail 64 described second track groove 113 of entrance, continue described second track groove 113 in after decline until described
Track nail 64 is positioned at described C point position, and now, radial passage 672 is closed by sliding sleeve 62.
Described first track groove 112 can be more than described second track groove 113 along institute along the length that said inner tube 69 is axial
State the length that inner tube 69 is axial.This is just so that track nail 64 is being transferred to described second rail by described first track groove 112
During mark groove 113, said inner tube 69 can move down a certain distance, thus radial passage 672 is stopped closing.That is, track nail 64 is positioned at
Being positioned at primary importance during the end of the first track groove 112, track nail 64 is positioned at the when being positioned at the end of the second track groove 113
Two positions.
Described switching slot 111, described first track groove 112 and described second track groove 113 are multiple, described first rail
In mark groove 112 and described second track groove 113, the most adjacent two grooves are connected by a described switching slot 111.Cut described in all
The end changing groove 111 is oblique identical, consistent to ensure the moving direction of described track nail 64.Further, described first track
Groove 112 and described second track groove 113 uniformly can distribute alternately along the circumference of said inner tube 69.As shown in Figure 8, described switching
The quantity of groove 111 and described first track groove 112 and the quantity 2 times of described second track groove 113.In fig. 8, described switching slot
The quantity of 111 is 6, and the quantity of described first track groove 112 and described second track groove 113 is 3.
As it is shown in figure 1, in the present embodiment, described open-hole horizontal well water detecting and plugging pipe column can also include being arranged at described
Club seat 15 in oil pipe 1.Described club seat 15 is located between described first packer 5 and described slider mechanism 6.Described club
Seat 15 can coordinate with a club 10 and sets.By club 10 setting ball pole socket 15, it is possible to prevent slider mechanism 6 at the first packer
5 and second packer 7 produce unnecessary action when setting.
Further, as it is shown in figure 9, club 10 can include that the leather cup 15 being sequentially connected with, center-pole 16 and tail block up 17,
Center-pole 16 is provided with lobe 18, and it is outside that pawl spring 19 is sheathed on center-pole 16, and pawl spring 19 matches with lobe 18 and merges energy edge
Center-pole 16 slides axially, and pawl spring 19 is connected by cutting off pin 20 with center-pole 16.After club 10 puts into central canal, first
First being provided with, in the bottom of the first central canal 11, first matched with club 10 and set portion 21, first sets portion 21 is positioned at feed liquor and leads to
The downside in hole 43；Club 10 falls, and is provided with, in the bottom of the adapter sleeve 65 of part flow arrangement 6, second matched with club 10 and sets
Portion 22, so makes club 10 can set portion 21 and second first and sets portion 22 and realize setting central canal.Using
Time, club 10 puts in central canal, first sets and sets portion 21 in first；After completing packing, center-pole 16 pushing away in external force
Under Dong, it is transferred to external force cut off pin 20, when external force reaches the rated value cutting off pin 20, cuts off pin 20 and cut off,
Center-pole 16 is descending, and pawl spring 19 is separated with lobe 18, and pawl spring 19 pressurized shrinks so that club 10 can set through first
Portion 21 and fall to second set portion 22 realize set, to ensure that the liquid in tested horizontal well water exploration well section is plugged in central canal
In, to carry out extracting operation.
The present invention is directed to the open-hole horizontal well of High water cut, divide analysis that net horizontal section is divided into several purpose level according to geology etc.
Section, then utilizes oil pipe 1 will to enter planned well under first packer the 5, second packer 7 and kit (including slider mechanism 6)
Section, utilizes aspirator to produce, and by chemically examining the fluid properties of aqueous this horizontal segment of judgement.
The operation principle of the application it is described more fully below: go into the well according to the water detecting and plugging pipe column connected in Fig. 1, first from
The layer to be tested of layer carries out operation.During going into the well, the radial passage 672 of slider mechanism 6 is by UNICOM inside and outside oil pipe 1, sliding sleeve
62 are in the second position, it is ensured that identical with oil jacket annular pressure in oil pipe 1.To behind precalculated position under tubing string, put into down-hole
Club, club is sitting on club seat the interior pressurization of oil pipe 1 later.Arrow the most as shown in Figure 1, liquid stream is entered by setting mechanism 4
Enter the first packer 5, be then passed through oil pipe 1 space that slider mechanism 6 enters between inner screw plug 9 and plug 14.Now can sit
Seal the first packer 5 and second packer.Layer to be tested is blocked by the first packer 5 and the second packer 7, upper lifting pipe post,
The inlet opening of setting mechanism 4 is closed, and is pinned by the liquid in the first packer 5 and the second packer 7, the first packer 5 and the
Two packers 7 just can keep the state set.Then aspirator is entered under in water detecting and plugging pipe column, now slider mechanism 6
Radial passage 672 is in open mode (not blocked by sliding sleeve 62), may determine that this layer is by the liquid volume being extracted into ground
No water outlet.If not water outlet, press water detecting and plugging pipe column down, open the inlet opening of setting mechanism 4, the first packer 5 and the second packer 7
Interior liquid is released, and the first packer 5 and the second packer 7 realize deblocking.On carry water detecting and plugging pipe column, by water detecting and plugging pipe column
Mention a layer to be tested, repeat last operation sequence.If it is determined that this layer of water filling, need to implement water-plugging technology.First
First increasing pressure in oil pipe 1, destroyed by club, continue to increase pressure in oil pipe 1, sliding sleeve 62 upper and lower end face of slider mechanism 6 is poor
Starting working under the effect of the pressure, promote sliding sleeve 62 to switch to primary importance, radial passage 672 is closed, now by sliding sleeve 62
By first packer the 5, second packer 7, water layer is blocked, by closing radial passage 672, oil pipe 1 and oil jacket annular space are sealed
Every, it is achieved that block the purpose of water layer.Then proceed to increase pressure, the hydraulic releasing on top is set and then gives up, by top
Tubing string proposes, in well, to complete the whole series and look for water-plugging technology.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
, between any lower value and any much higher value, there is the interval of at least two unit in all values of upper value.For example, as
Fruit elaborates that the quantity of parts or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then list such as 15 to 85,22 during purpose illustrates that this description the most clearly and arrive
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These only want the example clearly expressed, it is believed that the institute of the numerical value enumerated between minimum and peak is likely
Combination is expressly set forth in this description the most in a similar manner.
Except as otherwise noted, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximation " be suitable for two end points of this scope.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", the end points indicated at least is included.
The all articles disclosed and reference material, including patent application and publication, for various purposes by quoting knot
Together in this.Describe combination term " substantially by ... constitute " should include determined by element, composition, parts or step and reality
Other elements, composition, parts or the step of the basic novel feature of this combination is not affected in matter.Use term " comprise " or
" include " combination describing element, composition, parts or step here it is also contemplated that basic by these elements, composition, parts
Or the embodiment that step is constituted.Here by use term " can ", it is intended to illustrate that " permissible " include is described any
Attribute is all optional.
Multiple elements, composition, parts or step can be provided by single integrated component, composition, parts or step.Alternative
Ground, single integrated component, composition, parts or step can be divided into multiple elements, composition, parts or the step of separation.It is used for
The open "a" or "an" describing element, composition, parts or step is not said to get rid of other element, composition, parts
Or step.
It should be understood that above description is to illustrate rather than to limit.By reading above-mentioned retouching
Stating, the many embodiments outside the example provided and many application will be the most all aobvious and easy
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to claims and this
The four corner of the equivalent that a little claim are had determines.Include specially for comprehensive purpose, all articles and reference
The disclosure of profit application and bulletin is all passed through with reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon this body matter, also should not be considered as inventor and is not thought of as disclosed by this theme
A part for subject matter.
Claims (10)
1. an open-hole horizontal well water detecting and plugging pipe column, it is characterised in that including:
There is the oil pipe of peupendicular hole section and net horizontal section；
It is located at the back-off packer of described peupendicular hole section；
Order is located at the setting mechanism of described net horizontal section, the first packer, slider mechanism, the second packer and is located at institute
State the plug of oil pipe end；
Described setting mechanism forms double wall fluid course with described first packer；Described double wall fluid course passes through described oil pipe
Move axially and internal with described oil pipe connect or close；
Described slider mechanism includes outer tube and the sliding sleeve that energy level is slided in described outer tube；Described slider mechanism is provided with mutually
The horizontal channel being not communicated with and radial passage；Described sliding sleeve has and blocks the primary importance of described radial passage and open described
The second position of radial passage；Described second packer is connected by described horizontal channel with described double wall fluid course；Described
The inside of described slider mechanism can be connected by radial passage with outside well.
2. tubing string as claimed in claim 1, it is characterised in that: in described slider mechanism, it is fixedly installed in described sliding sleeve
Inner sleeve, excessively fluid, connector；The interior section undergauge of described outer tube forms varying diameter portion；Described in the lower end contact of described connector
The end face of varying diameter portion；Described sliding sleeve is sheathed in described connector；Described fluid of crossing is provided with the first through hole its level run through；
Described varying diameter portion is provided with described radial passage and the second through hole its level run through；
Annular space between described inner sleeve and described outer tube, described first through hole, annular space between described connector and described outer tube,
And described second through hole sequentially communicates the described horizontal channel of formation.
3. tubing string as claimed in claim 2, it is characterised in that: described sliding sleeve fixed sleeves is provided with inner tube；Said inner tube is positioned at
In described connector；Said inner tube is provided with track groove and connection has spring, described connector to be provided with to stretch into described track
Track nail in groove；The upper surface area of described sliding sleeve is more than its lower surface area；Described sliding sleeve is by described track groove, described
The cooperation of spring and described track nail can switch between described primary importance and the described second position.
4. tubing string as claimed in claim 3, it is characterised in that: described track groove includes switching slot, axially prolongs along said inner tube
The first track groove of stretching and along axially extended second track groove of described outer tube；Described first track groove and described second track groove
Circumferentially spaced along described outer tube, described first track groove, described second track groove and described spring are positioned at described switching slot
Side；Described switching slot is by described first track groove and the connection of described second track groove；Described spring gives said inner tube edge
Described outer tube is axially away from the power of described switching slot；
Described track nail when moving relative to described switching slot described track nail can give said inner tube and turn along described outer tube circumference
Dynamic power and by the effect of described spring so that described track nail is between described first track groove and described second track groove
Switching；
What described track nail was positioned at described first track groove is positioned at described first away from described sliding sleeve during the end of described switching slot
Position, what described track nail was positioned at described second track groove is positioned at described second away from described sliding sleeve during the end of described switching slot
Position.
5. tubing string as claimed in claim 4, it is characterised in that: described switching slot, described first track groove and described second rail
Mark groove is multiple, and in described first track groove and described second track groove, the most adjacent two grooves are by a described switching slot even
Logical.
6. tubing string as claimed in claim 5, it is characterised in that: described first track groove and described second track groove are along described interior
The circumference of pipe uniformly distributes alternately.
7. tubing string as claimed in claim 4, it is characterised in that: described switching slot axially has away from described the along described outer tube
One track groove and the end of described second track groove, described switching slot include along described outer tube axially with described first track groove or
The end of described second track groove just to the first hypotenuse and with the end of described switching slot just to the second hypotenuse；Described
One hypotenuse is passed through the end of described track groove, and described second hypotenuse is passed through described first track groove or described second track groove.
8. tubing string as claimed in claim 1, it is characterised in that: described oil pipe is at described slider mechanism and described second packer
Between be provided with inner screw plug, described oil pipe is communicated with described level on the wall between described inner screw plug and described second packer
Passage and the third through-hole of described second packer.
9. tubing string as claimed in claim 1, it is characterised in that: also include the club seat being arranged in described oil pipe；Described ball
Pole socket is located between described first packer and described slider mechanism；Described club seat can coordinate with a club and sets.
10. tubing string as claimed in claim 1, it is characterised in that: it is additionally provided with at least one centralizer on described oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586137.9A CN106050222B (en) | 2016-07-22 | 2016-07-22 | Water plugging finding tubular column for open hole horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586137.9A CN106050222B (en) | 2016-07-22 | 2016-07-22 | Water plugging finding tubular column for open hole horizontal well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050222A true CN106050222A (en) | 2016-10-26 |
| CN106050222B CN106050222B (en) | 2023-05-26 |
Family
ID=57418039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610586137.9A Active CN106050222B (en) | 2016-07-22 | 2016-07-22 | Water plugging finding tubular column for open hole horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050222B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005379A (en) * | 2019-05-28 | 2019-07-12 | 西南石油大学 | A kind of voltage-controlled sleeve type spray head of gas hydrates layer jet crushing |
| CN110017133A (en) * | 2019-05-23 | 2019-07-16 | 广州海洋地质调查局 | A kind of test of horizontal well production profile and shutoff method and device |
| CN110206531A (en) * | 2019-05-23 | 2019-09-06 | 广州海洋地质调查局 | A kind of oil pipe of horizontal well production profile test method and device |
| CN113107473A (en) * | 2021-04-01 | 2021-07-13 | 陕西靖瑞能源科技股份有限公司 | Intelligent water finding and blocking method and system for horizontal well |
| CN113914813A (en) * | 2021-09-28 | 2022-01-11 | 四川省威沃敦化工有限公司 | Small-diameter water plugging tool |
| CN114427381A (en) * | 2020-10-13 | 2022-05-03 | 中国石油化工股份有限公司 | Underground fluid injection flow velocity tuner and method |
| CN114427381B (en) * | 2020-10-13 | 2024-04-16 | 中国石油化工股份有限公司 | Downhole fluid injection flow speed regulator and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257339B1 (en) * | 1999-10-02 | 2001-07-10 | Weatherford/Lamb, Inc | Packer system |
| JP2004278109A (en) * | 2003-03-14 | 2004-10-07 | Japan Conservation Engineers Co Ltd | Water cut-off packer for water collecting boring |
| US20080006413A1 (en) * | 2006-07-06 | 2008-01-10 | Schlumberger Technology Corporation | Well Servicing Methods and Systems Employing a Triggerable Filter Medium Sealing Composition |
| CN201254968Y (en) * | 2008-10-20 | 2009-06-10 | 大庆油田有限责任公司 | Horizontal well repeatedly adjustable mechanical water research and water shut off pipe string |
| CN102022104A (en) * | 2010-11-06 | 2011-04-20 | 大庆油田有限责任公司 | Open-hole packer for open-hole horizontal well and preset connector fracturing well completion method |
| CN102505921A (en) * | 2011-11-04 | 2012-06-20 | 中国石油天然气股份有限公司 | Water searching pipe column of open-hole horizontal well |
| CN102808584A (en) * | 2012-07-27 | 2012-12-05 | 中国石油天然气股份有限公司 | Mechanical water plugging pipe column for multi-point discharge of cased hole completion multi-section fractured horizontal well and method |
| CN202578634U (en) * | 2012-06-12 | 2012-12-05 | 中国石油天然气股份有限公司 | Switching type rail sealing sliding sleeve |
| CN202578589U (en) * | 2012-06-12 | 2012-12-05 | 中国石油天然气股份有限公司 | Multifunctional string capable of washing well, logging and layering profile control flooding |
| US20160003031A1 (en) * | 2013-11-22 | 2016-01-07 | Petrochina Company Limited | Intelligent test system and method for multi-segment fractured horizontal well |
| CN205858330U (en) * | 2016-07-22 | 2017-01-04 | 中国石油天然气股份有限公司 | Open-hole horizontal well water detecting and plugging pipe column |
-
2016
- 2016-07-22 CN CN201610586137.9A patent/CN106050222B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257339B1 (en) * | 1999-10-02 | 2001-07-10 | Weatherford/Lamb, Inc | Packer system |
| JP2004278109A (en) * | 2003-03-14 | 2004-10-07 | Japan Conservation Engineers Co Ltd | Water cut-off packer for water collecting boring |
| US20080006413A1 (en) * | 2006-07-06 | 2008-01-10 | Schlumberger Technology Corporation | Well Servicing Methods and Systems Employing a Triggerable Filter Medium Sealing Composition |
| CN201254968Y (en) * | 2008-10-20 | 2009-06-10 | 大庆油田有限责任公司 | Horizontal well repeatedly adjustable mechanical water research and water shut off pipe string |
| CN102022104A (en) * | 2010-11-06 | 2011-04-20 | 大庆油田有限责任公司 | Open-hole packer for open-hole horizontal well and preset connector fracturing well completion method |
| CN102505921A (en) * | 2011-11-04 | 2012-06-20 | 中国石油天然气股份有限公司 | Water searching pipe column of open-hole horizontal well |
| CN202578634U (en) * | 2012-06-12 | 2012-12-05 | 中国石油天然气股份有限公司 | Switching type rail sealing sliding sleeve |
| CN202578589U (en) * | 2012-06-12 | 2012-12-05 | 中国石油天然气股份有限公司 | Multifunctional string capable of washing well, logging and layering profile control flooding |
| CN102808584A (en) * | 2012-07-27 | 2012-12-05 | 中国石油天然气股份有限公司 | Mechanical water plugging pipe column for multi-point discharge of cased hole completion multi-section fractured horizontal well and method |
| US20160003031A1 (en) * | 2013-11-22 | 2016-01-07 | Petrochina Company Limited | Intelligent test system and method for multi-segment fractured horizontal well |
| CN205858330U (en) * | 2016-07-22 | 2017-01-04 | 中国石油天然气股份有限公司 | Open-hole horizontal well water detecting and plugging pipe column |
Non-Patent Citations (2)
| Title |
|---|
| 吴国州,荀忠义,张容,王寿文: "压力计辅助双封隔器验窜技术" * |
| 方群;吴闯;陈国光;: "多功能丝堵的研制与应用" * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017133A (en) * | 2019-05-23 | 2019-07-16 | 广州海洋地质调查局 | A kind of test of horizontal well production profile and shutoff method and device |
| CN110206531A (en) * | 2019-05-23 | 2019-09-06 | 广州海洋地质调查局 | A kind of oil pipe of horizontal well production profile test method and device |
| CN110206531B (en) * | 2019-05-23 | 2024-04-09 | 广州海洋地质调查局 | Method and device for testing output profile of horizontal well oil pipe |
| CN110005379A (en) * | 2019-05-28 | 2019-07-12 | 西南石油大学 | A kind of voltage-controlled sleeve type spray head of gas hydrates layer jet crushing |
| CN114427381A (en) * | 2020-10-13 | 2022-05-03 | 中国石油化工股份有限公司 | Underground fluid injection flow velocity tuner and method |
| CN114427381B (en) * | 2020-10-13 | 2024-04-16 | 中国石油化工股份有限公司 | Downhole fluid injection flow speed regulator and method |
| CN113107473A (en) * | 2021-04-01 | 2021-07-13 | 陕西靖瑞能源科技股份有限公司 | Intelligent water finding and blocking method and system for horizontal well |
| CN113107473B (en) * | 2021-04-01 | 2024-02-13 | 陕西靖瑞能源科技股份有限公司 | Intelligent water shutoff finding method and system for horizontal well |
| CN113914813A (en) * | 2021-09-28 | 2022-01-11 | 四川省威沃敦化工有限公司 | Small-diameter water plugging tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106050222B (en) | 2023-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106050222A (en) | Water searching and blocking tubular column of open-hole horizontal well | |
| CN104314546B (en) | Staged fracturing completion tubular column and staged fracturing technique in horizontal well casing pipe | |
| CN104481484B (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| WO2016082188A1 (en) | Hot dry rock multi-cycle heating system and production method therefor | |
| CN104179485B (en) | Cementation and fracture technique string | |
| CN206309385U (en) | A kind of horizontal well looks for water shutoff pipe column | |
| CN105822253A (en) | Bushing sliding sleeve and hydraulic bridge plug combined type completion pipe string and rapid fracturing method | |
| CN207776833U (en) | A kind of multifunctional squeezing ash bridge plug | |
| CN103321628A (en) | Electric intelligent switching sliding sleeve | |
| CN102505921B (en) | Water searching pipe column of open-hole horizontal well | |
| CN206816226U (en) | A kind of speed bores big orifice bridging plug | |
| CN103452542A (en) | Switchable fracturing sliding sleeve | |
| CN205778794U (en) | The latus rectum segmented fracturing devices such as one | |
| CN103422846B (en) | The fracturing integrated tubing string of open-hole horizontal well completion | |
| CN103291271A (en) | Fracturing slide sleeve capable of being opened and closed for many times | |
| CN205858330U (en) | Open-hole horizontal well water detecting and plugging pipe column | |
| CN204457709U (en) | A kind of Thickened oil injection-production integrated pipe column | |
| CN204386576U (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| CN203239310U (en) | Unlimited-section fracture casing pipe sliding sleeve | |
| CN205778740U (en) | A kind of seesaw type sliding sleeve opener and etc. diameter through sleeve sliding sleeve | |
| CN207111019U (en) | Combined type junk mill for different hole diameters | |
| CN113803050A (en) | Self-adaptive inflow control device, intelligent well completion pipe string and well completion method | |
| CN103883280A (en) | Multistage fracturing and exploitation control sliding sleeve and well completion tail pipe string structure | |
| CN106194108A (en) | A kind of multi-layer testing sampling valve | |
| CN211230441U (en) | Horizontal well output profile testing and water plugging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |