CN107630670A - Automatic shut-in well integrated window-opening side-drilling tool - Google Patents
Automatic shut-in well integrated window-opening side-drilling tool Download PDFInfo
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- CN107630670A CN107630670A CN201710939149.XA CN201710939149A CN107630670A CN 107630670 A CN107630670 A CN 107630670A CN 201710939149 A CN201710939149 A CN 201710939149A CN 107630670 A CN107630670 A CN 107630670A
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- milling cone
- well
- iron
- drilling tool
- opening side
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- 238000005553 drilling Methods 0.000 title claims abstract description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000003801 milling Methods 0.000 claims abstract description 83
- 229910052742 iron Inorganic materials 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004873 anchoring Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 8
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The invention discloses a kind of automatic shut-in well integrated window-opening side-drilling tool, including sequentially coaxially connect hollow milling cone, iron for wedge deflection tool and set anchoring device, milling cone lower end is communicated with iron for wedge deflection tool and sets the catheter of anchoring device inner chamber, it is characterized in that：Packer is connected with setting anchoring device lower end, the excluder ring made of oil and water contact expansible material is provided with packer, the old well of closure is realized for running into profit automatic expansion after lower brill.Beneficial effect is：Oil and water contact expansible just blocks old well after being bored under excluder ring, so avoids to cause the even blowout of leakage, well kick occurs during sidetracking because old well is ganged up with stratum, also eliminates the risk that the new well of sidetracking is ganged up with old wellbore formation, realize permanent shut-in well；Therefore Sidetracking Technology is improved, saves one trip operation；Both material cost has been saved, the labor intensity and operating cost of worker has been also reduced, also shortens well construction period.
Description
Technical field
The invention belongs to workover tool, more particularly to a kind of automatic shut-in well integrated window-opening side-drilling tool.
Background technology
Sidetracking is a kind of small investment, quick, remarkable in economical benefits old filed development technique, and countries in the world are all very heavy
Depending on having become the important means that recovery ratio is produced and improved in old filed increasing the storage.With SIDETRACKING TECHNOLOGY progress and innovation, sidetracking is opened
Window instrument also develops into integrated window-opening side-drilling tool by traditional split type wedge deflection tool and milling cone.Such as Publication No.
CN102364029A Chinese invention patent discloses a kind of integrated window-opening side-drilling tool, and it includes the milling sequentially coaxially connected
Cone, iron for wedge deflection tool and anchoring device is set, milling cone endoporus is communicated with iron for wedge deflection tool and sets anchoring device inner chamber
Catheter, it is characterized in that：Described milling cone bottom is pressed in the upper inclined surface of iron for wedge deflection tool, circumferentially square in milling cone bottom
To provided with annular groove, it is that wide outer narrow arc-shaped slot, remainder are in one section that annular groove, which corresponds to iron for wedge deflection tool side,
In narrow outer width dovetail groove, corresponded on iron for wedge deflection tool and locating piece be installed with annular groove, described locating piece is provided with
With iron for wedge deflection tool and milling cone coaxial line and the arc card that is engaged with arc-shaped slot along and by arc card along being caught in arc card
In groove, positioning screw is provided between iron for wedge deflection tool upper end and milling cone.Although this integrated window-opening side-drilling tool can lead to
Surge pressure caused by drilling fluid in tap hole release drilling rod is crossed, is prevented because pressure excitement causes integrated window-opening side-drilling tool
Midway is set by mistake, but because milling cone inner hole structure is complicated, difficulty of processing is big, so a kind of disclosed in CN103195362A
Integrated window-opening side-drilling tool substitutes.
CN103195362A provides a kind of connection coaxiality that both can guarantee that milling cone and wedge deflection tool, and and can is avoided because of nozzle
Windowing efficiency, integrated window-opening side-drilling tool that is simple in construction, being easy to processing are reduced by closure.It includes the sky being sequentially connected
Heart milling cone, iron for wedge deflection tool and anchoring device is set, iron for wedge deflection tool is stuck in the arc swallow of milling cone bottom by a locating piece
In stern notch, bolt is provided between iron for wedge deflection tool upper end and milling cone, milling cone lower end is communicated with iron for wedge deflection tool
Nozzle bore and set the catheter of anchoring device inner chamber, it is characterized in that：Corresponded on milling cone at bolt radially
Provided with secondary water hole, the blind hole connected with secondary water hole is provided with bolt, described in when iron for wedge deflection tool and milling cone do not disengage
Bolt secondary water hole is blocked, be described milling cone after bolt is cut when iron for wedge deflection tool and milling cone disengage
Endoporus passes through secondary water hole and the blind hole and turned on outside of bolt.Both sidetrack drilling tools can be saved and once removed
Operation is bored, the activity duration is not only shortened, reduces operating cost, and reduces the workload and labor intensity of worker, is carried
High operating efficiency and security, fully meet traditional Sidetracking requirement.
But traditional Sidetracking requirement blocks before lower side drilling tool to old well, it is therefore an objective to prevents because old
Well is ganged up with stratum and causes to occur during sidetracking the even blowout of leakage, well kick, also eliminates the new well of sidetracking and old wellbore formation
The risk ganged up, to ensure the new well total completion time of sidetracking；The function and traditional sidetrack drilling tool is not shunt in a well, above two
Integrated window-opening side-drilling tool is no exception, all without shut-in well function.Block old well and typically use lower bridging plug or cementing plug
Mode, which kind of ineffective mode block old well and are required for one trip operation and essential bridging plug or cement, not only
Cost high efficiency is low, and the activity duration is grown, and extends well construction period.
The content of the invention
The technical problems to be solved by the invention need not seal before being to provide for a kind of lower side drilling tool to old well
Stifled, reliable operation, operation is easy, and cost is low, efficiency high, can directly block the automatic shut-in well integrated window-opening side-drilling of old well
Instrument.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of automatic shut-in well integrated window-opening side-drilling tool, including hollow milling cone, the iron for wedge deflection tool sequentially coaxially connected
With set anchoring device, be communicated with milling cone lower end and setting the catheter of anchoring device inner chamber in iron for wedge deflection tool, it is special
It is in place of different：Packer is connected with setting anchoring device lower end, is provided with packer and is made up of oil and water contact expansible material
Excluder ring, realize for running into profit automatic expansion after lower brill and block old well.
As further preferred, the packer profile is that middle part is provided with the cylinder of annular groove and is connected to and sets grappling
The inferior pyramidal body lower end of device, packer external diameter are equal to the cylinder sleeve external diameter for setting anchoring device.
As further preferred, the excluder ring is made up of oil and water contact expansible rubber, and vulcanization is fixed on packer
In annular groove.
As further preferred, the iron for wedge deflection tool is stuck in the arc dovetail groove of milling cone bottom by a locating piece
It is interior, bolt is provided between iron for wedge deflection tool upper end and milling cone, to improve the connection coaxiality of milling cone and iron for wedge deflection tool
And bonding strength.
Include being respectively and fixedly connected to iron for wedge deflection tool lower end outer rim with as further preferred, the described anchoring device that sets
Cylinder sleeve and jet pipe at the heart, hollow upper and lower bullet is provided with cylinder sleeve, the uniform connection respectively on upper and lower bullet
There is the slips that can be stretched out by outer wall of cylinder jachet, position-limiting tube, the jet pipe upper and lower end difference are connected between upper and lower bullet
With catheter and epicone body grafting, bar hole is evenly equipped with position-limiting tube.
As further preferred, a setting ball is provided with the jet pipe orifice lower end, setting ball top, which is stuck in, to be located at
Card is in the annular of jet pipe orifice bottom, and lower end is provided with a position limiting structure in jet pipe, setting ball when making lower brill
The upper card is stuck at, for preventing the fluids such as the drilling fluid in well from entering in drilling tool, so as to eliminate because of drilling well in drilling tool
Set by mistake caused by liquid surge pressure；Hole lower end, which is provided with an annular, in the inferior pyramidal body for set anchoring device blocks edge,
When the setting ball is set under the promotion of cleaner for high-pressure drilling fluid break through position limiting structure and fall and be stuck in it is lower card edge at realization build the pressure
Completion instrument is set.
As further preferred, the upper card edge and lower card are along being circular conical surface, to improve sealing effectiveness.
As further preferred, corresponded on milling cone and secondary water hole is radially provided with bolt, set on bolt
There is the blind hole connected with secondary water hole, the bolt described in when iron for wedge deflection tool does not disengage with milling cone blocks secondary water hole,
Iron for wedge deflection tool and milling cone be after bolt is cut when disengaging, milling cone endoporus by the blind hole of secondary water hole and bolt with
Turned on outside, for avoiding the nozzle bore because of milling cone by stratum or grout off caused by suppress pump, it is ensured that can add during windowing
Sufficient the pressure of the drill, milling speed is improved, so as to improve windowing efficiency.
As further preferred, the milling cone endoporus is stepped centre bore axial arranged along its and straight, in milling cone
Hole upper end is connecting screw hole, to simplify structure.
As further preferred, milling cone head is connected with milling cone lower end, described nozzle bore is located on milling cone head and and milling
Bore endoporus connection.
The beneficial effects of the invention are as follows：
1st, due to being connected with packer setting anchoring device lower end, it is arranged with packer by oil and water contact expansible material
Excluder ring made of material, oil and water contact expansible just blocks old well after boring under excluder ring, so avoids because old well
Ganged up with stratum and cause the even blowout of leakage, well kick occurs during sidetracking, also eliminate the new well of sidetracking and old wellbore formation string
Logical risk, realize permanent shut-in well；Therefore Sidetracking Technology is improved, eliminates traditional Sidetracking in lower side drilling tool
The old wellbore operations of closure before, save one trip operation；Both material cost has been saved, has also reduced the work of worker
Intensity and operating cost, also shorten well construction period.
2nd, anchoring device lower end is set because packer is connected to, excluder ring is located in packer, simple and compact for structure, work
Make reliable；It is more reliable to contrast the permanent packer installed below wedge deflection tool, and operating cost can be reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：Packer 1, excluder ring 2, the lower card of annular is along 3, cylinder sleeve 4, longitudinal slips 5, screw 6, inferior pyramidal body 7, bar shaped
Hole 8, position-limiting tube 9, sealing ring 10, epicone body 11, position limiting structure 12, setting ball 13, card is along 14 in annular, radial direction slips 15,
Jet pipe 16, iron for wedge deflection tool 17, catheter 18, milling cone first 19, nozzle bore 20, for arc card along 21, arc dovetail groove 22 is annular
Groove 23, dovetail groove 24, locating piece 25, trip bolt 26, secondary water hole 27, bolt 28, blind hole 29, milling cone 30, in milling cone
Hole 31.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, the automatic shut-in well integrated window-opening side-drilling tool includes hollow milling cone 30, is connected to the bottom of milling cone 30
Iron for wedge deflection tool 17 and be fixed in the lower end of iron for wedge deflection tool 17 set anchoring device.It is communicated with iron for wedge deflection tool 17
The endoporus of milling cone 30 and the catheter 18 for setting anchoring device inner chamber, are connected with milling cone first 19, in milling cone first 19 in the lower end of milling cone 30
The nozzle bore 20 connected with milling cone endoporus 31 is provided with, the described upper end of catheter 18 is drawn by the inclined-plane top of iron for wedge deflection tool 17
Go out and insert to be welded in the nozzle bore 20.
The described bottom of milling cone 30 is pressed in the upper inclined surface of iron for wedge deflection tool 17, is along the circumferential direction added in the bottom of milling cone 30
Work has an annular groove 23, the corresponding side of iron for wedge deflection tool 17 of annular groove 23 be wide outer narrow arc dovetail groove 22 in one section, its
Remaining major part is the dovetail groove 24 of inner narrow outer width, is corresponded on the inclined-plane of iron for wedge deflection tool 17 and positioning is installed with annular groove 23
Block 25, the side of the corresponding iron for wedge deflection tool 17 of locating piece 25 are welded on iron for wedge deflection tool 17 for cylinder and insertion, positioned
Block 25 is provided with iron for wedge deflection tool 17 and the coaxial line of milling cone 30 and the arc card that is engaged with arc dovetail groove 22 along 21, positioning
Block 25 is caught in arc dovetail groove 22 by arc card along 21, and trip bolt 26 is provided between locating piece 25 and milling cone 30.
Bolt 28 is provided between the upper end of iron for wedge deflection tool 17 and milling cone 30, bolt 28 is corresponded on milling cone 30
Place is radially provided with secondary water hole 27, the blind hole 29 connected with secondary water hole 27 is provided with bolt 28, in iron for wedge deflection tool 17
The bolt 28 blocks secondary water hole 27 when not disengaged with milling cone 30, fixed when iron for wedge deflection tool 17 and milling cone 30 disengage
After position bolt 28 is cut, the milling cone endoporus 31 passes through secondary water hole 27 and blind hole 29 and the turned on outside of milling cone 30.The milling cone
Endoporus 31 is stepped centre bore axial arranged along its and straight, and the upper end of milling cone endoporus 31 is the connection spiral shell for connecting drilling tool
Hole, to simplify structure.
The described anchoring device that sets includes being fixed in the cylinder sleeve 4 of the lower end outer rim of iron for wedge deflection tool 17 and is inserted and secured on
Jet pipe 16 in the lower end centre bore of iron for wedge deflection tool 17, the upper end of jet pipe 16 are mutually inserted with the lower end of catheter 18.
Hollow epicone body 11 and inferior pyramidal body 7 are provided with cylinder sleeve 4, the lower end of jet pipe 16 and the centre bore of epicone body 11 are inserted
Connect, sealing ring 10 is respectively equipped between jet pipe 16 and epicone body 11 and between upper and lower bullet and cylinder sleeve 4.
The outer wall of epicone body 11 is connected with radial direction slips 15 by the circumference uniform distribution of screw 6, passes through the circumference of screw 6 in the outer wall of inferior pyramidal body 7
Longitudinal slips 5 is uniformly connected with, the radial direction slips 15 and longitudinal slips 5 are under the promotion of epicone body 11 and inferior pyramidal body 7
It can be stretched out by the rectangular aperture being arranged on the outer wall of cylinder sleeve 4, be provided with the centre bore of inferior pyramidal body 7 and connect upper and lower bullet
Position-limiting tube 9, the upper end of position-limiting tube 9 is connected with epicone body 11 by coarse thread, and position-limiting tube 9 passes through closely-pitched with inferior pyramidal body 7
Closely-pitched saw-tooth thread cusp in saw-tooth thread connection and position-limiting tube 9 is justified at the corresponding inferior pyramidal body 7 of position-limiting tube 9 down
It is evenly equipped with longitudinally arranged bar hole 8 week.A setting ball 13, the top card of setting ball 13 are provided with the endoporus lower end of jet pipe 16
Block in the annular located at the endoporus bottom of jet pipe 16 along at 14, a position limiting structure 12 be provided with the endoporus lower end of jet pipe 16,
The setting ball 13 is set to be stuck in the upper card at.It is described along 3 that card under an annular is provided with the endoporus lower end of inferior pyramidal body 7
The spacing of position limiting structure 12 can be broken through under the promotion for the cleaner for high-pressure drilling fluid squeezed into and fall and be stuck in ring when setting ball 13 is set
Card is realized to build the pressure and set along at 3 under shape.Card is circular conical surface along 14 and the lower card of annular along 3 in the annular, to improve sealing effect
Fruit.The position limiting structure 12 is elastic spacing, and position limiting structure described in the present embodiment is O-shaped rubber ring.
Packer 1 is connected with setting anchoring device lower end, the profile of packer 1 is the cylinder that middle part is provided with annular groove
Body and the lower end of inferior pyramidal body 7 for setting anchoring device is threadedly attached in, the external diameter of packer 1 is equal to the cylinder for setting anchoring device
Cover 4 external diameters.The excluder ring 2 made of oil and water contact expansible material is provided with packer 1, it is automatic for running into profit after lower brill
Expansion, which is realized, blocks old well.The excluder ring 2 is preferably that oil and water contact expansible rubber is made, and vulcanization is fixed on packer 1
Annular groove in.
During work, the upper end of milling cone 30 is connected with drilling tool, the instrument is sent into underground with drilling tool, in going down process in well
Drilling fluid entered by non-tight connecting portion between packer 1 and inferior pyramidal body 7 and set in anchoring device, but setting
Under the closure of ball 13, it will not enter into the drilling fluid set in anchoring device in the drilling tool of jet pipe more than 16, so may be used
Drilling tool internal cause is not had drilling fluid without producing surge pressure, will not occur to set by mistake caused by surge pressure naturally,
It there will not be foreign matter and suppress passage into blocking in drilling tool in well.Instantly bore midway be hampered need pull out of hole when, due to upper and lower cone
The inside and outside drilling fluid of body is connected by packer 1 with the non-tight connecting portion of inferior pyramidal body 7, i.e., upper and lower bullet
Inside and outside pressure balance, therefore even if trip-out suction will not cause upper and lower bullet to move, also avoid to aspirate due to pulling out of hole
Caused by set accident by mistake.
When the instrument reaches underground precalculated position, after the inclined-plane of iron for wedge deflection tool 17 is adjusted into preset bearing, turn on pump
Suppress, cleaner for high-pressure drilling fluid passes sequentially through milling cone endoporus 31, catheter 18, jet pipe 16 and promotes setting ball 13 to disengage position limiting structure 12
It is spacing, setting ball 13 by the endoporus of epicone body 11 and position-limiting tube 9 fall it is lower card along 3 by the lower port of inferior pyramidal body 3 close,
So as to which fluid passage be blocked.Therefore cleaner for high-pressure drilling fluid by bar hole 8 enter upper and lower bullet between, when upper and lower taper
Full of drilling fluid and as drilling liquid pressure raises between body, upper and lower bullet can cut screw 6, final upper and lower bullet
Force radial direction slips 15 and longitudinal slips 5 to snap on the borehole wall, simultaneously because excluder ring 2 has oil and water contact expansible characteristic, therefore seal
Spacer ring 2 will block the annular space between packer 1 and well, had so both completed instrument and has set or complete the old well work of closure
Industry.Then drilling tool is rotated forward, is cut trip bolt 26 and bolt 28 by milling cone 30, so as to open milling cone pair water hole 27,
Locating piece 25 is screwed out from arc dovetail groove 22, continues rotary tools, and catheter 18 is twisted into two parts and made in the exit of nozzle bore 20
The self-assembling formation milling cone nozzle of nozzle bore 20, now iron for wedge deflection tool 17 and milling cone 30 are completely disengaged, at this moment can turn on pump circulation brill
Well liquid, rotary tools simultaneously apply the pressure of the drill progress window sidetracking.In windowing-process, once milling cone nozzle bore 20 is suppressed by stratum or cement
It is stifled, a part of cleaner for high-pressure drilling fluid will be discharged by milling cone pair water hole 27, pump is suppressed because caused by building the pressure so as to avoid.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of automatic shut-in well integrated window-opening side-drilling tool, including sequentially coaxially connect hollow milling cone, iron for wedge deflection tool and
Anchoring device is set, milling cone lower end is communicated with iron for wedge deflection tool and sets the catheter of anchoring device inner chamber, its feature
It is：Packer is connected with setting anchoring device lower end, is provided with packer and is insulated made of oil and water contact expansible material
Ring, the old well of closure is realized for running into profit automatic expansion after lower brill.
2. automatic shut-in well integrated window-opening side-drilling tool according to claim 1, it is characterized in that：The packer profile is
Middle part is provided with the cylinder of annular groove and is connected to the inferior pyramidal body lower end for setting anchoring device, and packer external diameter, which is equal to, sets anchor
Determine the cylinder sleeve external diameter of device.
3. automatic shut-in well integrated window-opening side-drilling tool according to claim 2, it is characterized in that：The excluder ring is oily to meet
Hydro-expansive rubber is made, and vulcanization is fixed in the annular groove of packer.
4. automatic shut-in well integrated window-opening side-drilling tool according to claim 1, it is characterized in that：The iron for wedge deflection tool leads to
Cross a locating piece to be stuck in the arc dovetail groove of milling cone bottom, positioning spiral shell is provided between iron for wedge deflection tool upper end and milling cone
Bolt, to improve the connection coaxiality of milling cone and iron for wedge deflection tool and bonding strength.
5. automatic shut-in well integrated window-opening side-drilling tool according to claim 1 or 2, it is characterized in that：Described sets anchor
Determining device includes being respectively and fixedly connected to the cylinder sleeve and jet pipe at iron for wedge deflection tool lower end outer rim and center, is provided with cylinder sleeve hollow
Upper and lower bullet, be uniformly connected with respectively on upper and lower bullet can by outer wall of cylinder jachet stretch out slips, in upper and lower taper
Position-limiting tube is connected between body, the jet pipe upper and lower end is uniform on position-limiting tube respectively with catheter and epicone body grafting
There is bar hole.
6. automatic shut-in well integrated window-opening side-drilling tool according to claim 5, it is characterized in that：In the jet pipe orifice
Lower end is provided with a setting ball, and setting ball top is stuck in the annular of jet pipe orifice bottom at card edge, in jet pipe
Lower end is provided with a position limiting structure, setting ball during lower brill is stuck in the upper card at, for preventing the drilling fluid in well
Enter Deng fluid in drilling tool, set by mistake caused by drilling fluid surge pressure in drilling tool so as to eliminate；Setting anchoring device
Inferior pyramidal body in hole lower end be provided with an annular under block edge, broken through when the setting ball is set under the promotion of cleaner for high-pressure drilling fluid
Position limiting structure and fall and be stuck in lower card realization completion instrument that builds the pressure at and set.
7. automatic shut-in well integrated window-opening side-drilling tool according to claim 6, it is characterized in that：The upper card edge and lower card
Along being circular conical surface, to improve sealing effectiveness.
8. automatic shut-in well integrated window-opening side-drilling tool according to claim 4, it is characterized in that：The corresponding positioning on milling cone
Secondary water hole is radially provided with bolt, the blind hole connected with secondary water hole is provided with bolt, in iron for wedge deflection tool and milling cone
Bolt described in when not disengaging blocks secondary water hole, is that bolt is cut when iron for wedge deflection tool disengages with milling cone
Afterwards, milling cone endoporus is by secondary water hole and the blind hole and turned on outside of bolt, for avoiding the nozzle bore because of milling cone by stratum
Or pump is suppressed caused by grout off, it is ensured that the pressure of the drill can be filled up during windowing, improves milling speed, so as to improve windowing effect
Rate.
9. automatic shut-in well integrated window-opening side-drilling tool according to claim 8, it is characterized in that：The milling cone endoporus is edge
Its axial arranged and straight stepped centre bore, milling cone endoporus upper end is connecting screw hole, to simplify structure.
10. automatic shut-in well integrated window-opening side-drilling tool according to claim 9, it is characterized in that：Connected in milling cone lower end
There is milling cone head, described nozzle bore is located on milling cone head and connected with milling cone endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939149.XA CN107630670A (en) | 2017-09-30 | 2017-09-30 | Automatic shut-in well integrated window-opening side-drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939149.XA CN107630670A (en) | 2017-09-30 | 2017-09-30 | Automatic shut-in well integrated window-opening side-drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107630670A true CN107630670A (en) | 2018-01-26 |
Family
ID=61105350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710939149.XA Withdrawn CN107630670A (en) | 2017-09-30 | 2017-09-30 | Automatic shut-in well integrated window-opening side-drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107630670A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748313A (en) * | 2019-10-28 | 2020-02-04 | 锦州清华机械有限公司 | Wireless self-orienting hydraulic integrated windowing sidetrack drilling tool |
| CN114412402A (en) * | 2022-01-11 | 2022-04-29 | 锦州清华机械有限公司 | Recoverable integrated self-sealing well windowing side drilling tool |
| CN114961632A (en) * | 2022-04-24 | 2022-08-30 | 中国石油天然气集团有限公司 | Underground three-level environment-friendly treatment method for difficult and complicated well |
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| GB2246585A (en) * | 1990-07-31 | 1992-02-05 | Masx Energy Services Group Inc | Hydraulically set anchor for well tools |
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| CN102108844A (en) * | 2009-12-28 | 2011-06-29 | 思达斯易能源技术(集团)有限公司 | Packer fixing ring and oil/water self-expandable packer with same |
| WO2013067756A1 (en) * | 2011-11-12 | 2013-05-16 | 锦州清华机械有限公司 | Integrated sidetrack drilling tool |
| CN103195362A (en) * | 2013-03-14 | 2013-07-10 | 锦州清华机械有限公司 | Integrated window sidetrack drilling tool |
| CN106703694A (en) * | 2017-03-24 | 2017-05-24 | 锦州清华机械有限公司 | Hydraulic solid wedge deflection tool |
| CN207315276U (en) * | 2017-09-30 | 2018-05-04 | 锦州清华机械有限公司 | Automatic shut-in well integrated window-opening side-drilling tool |
-
2017
- 2017-09-30 CN CN201710939149.XA patent/CN107630670A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2246585A (en) * | 1990-07-31 | 1992-02-05 | Masx Energy Services Group Inc | Hydraulically set anchor for well tools |
| CN101660392A (en) * | 2008-08-26 | 2010-03-03 | 中国石化集团胜利石油管理局钻井工艺研究院 | Oil and water contact expansible seal branch well hole connecting device |
| CN102108844A (en) * | 2009-12-28 | 2011-06-29 | 思达斯易能源技术(集团)有限公司 | Packer fixing ring and oil/water self-expandable packer with same |
| WO2013067756A1 (en) * | 2011-11-12 | 2013-05-16 | 锦州清华机械有限公司 | Integrated sidetrack drilling tool |
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