CN207048683U - A kind of away drill cuttings - Google Patents
A kind of away drill cuttings Download PDFInfo
- Publication number
- CN207048683U CN207048683U CN201720883917.XU CN201720883917U CN207048683U CN 207048683 U CN207048683 U CN 207048683U CN 201720883917 U CN201720883917 U CN 201720883917U CN 207048683 U CN207048683 U CN 207048683U
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- CN
- China
- Prior art keywords
- nozzle
- sealing ring
- shear pin
- cutter
- drill cuttings
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- 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.)
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Abstract
The utility model provides a kind of away drill cuttings, including main body, first sealing ring, piston body, cutter hub mechanism, pushing block, shear pin, shear pin, nozzle mechanism, second sealing ring, it is oriented to joint, steel ball, pilot bit, the cutter hub mechanism includes reaming cutter, wedge, the nozzle mechanism includes nozzle body, first hex screw, circlip, nozzle wall, sealing ring, spring washer, mounting hole, first jet, second nozzle, 3rd nozzle, 4th nozzle, second hex screw, cutter provided by the utility model can realize enlarging while drilling or implement the function of reaming after boring, nozzle mechanism can preferably clean to drill bit, prevent bit balling and cooling drill bit.
Description
Technical field
It the utility model is related to away drill cuttings field, and in particular to a kind of away drill cuttings.
Background technology
PDC drill bit is the abbreviation of polycrystalline diamond compact bit, is with the development of PDC composites
A kind of New well drilling instrument, design of the domestic and international many units to PDC drill bit, manufacture and opened using excessive quantifier elimination is all made
Work is sent out, for also occurring PDC expansion bits in the market, but because drill bit can produce during drilling well work is carried out
Raw very big heat, also results in drill bit and is full of silt, drill bit long-term work in this case can cause drill bit to be easily damaged, and subtract
Few service life, will also result in the low situation of operating efficiency.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of away drill cuttings, can realize enlarging while drilling or
Implement the function of reaming after boring, nozzle mechanism can preferably clean to drill bit, prevent bit balling and cooling drill bit.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of away drill cuttings, it is characterised in that including：Main body；It is arranged on the pilot bit of the body front end；It is arranged on
The piston body of center in main body；It is arranged on the steel ball of the piston body upper surface；Between piston body upper end and main body
The first sealing ring；Installed in piston body lower end and intersubjective second sealing ring；Cutter hub mechanism in main body, it is described
Cutter hub mechanism includes reaming cutter, wedge, and the reaming cutter is arranged on wedge both sides；Installed in cutter hub mechanism side
Pushing block；Shear pin, shear pin installed in the pushing block side, the shear pin are arranged on below the shear pin；Peace
Nozzle mechanism mounted in shear pin side, the nozzle mechanism include nozzle body, hex screw, circlip, nozzle wall, sealing
Circle, spring washer, mounting hole, first jet, second nozzle, the 3rd nozzle, the 4th nozzle, the mounting hole are arranged on nozzle body
On, the first jet is arranged on the right side of mounting hole, turns right install second nozzle, the 3rd nozzle, the 4th nozzle, institute respectively successively
State hex screw installation first jet, second nozzle, the 3rd nozzle, in the 4th nozzle, the nozzle wall is arranged on the two of nozzle
Side, the sealing ring are arranged on nozzle wall, and the spring washer is arranged in nozzle, and the circlip is arranged on spring pad
Enclose both sides；Installed in the guiding joint of body side.
In the above-mentioned technical solutions, when enlarging while drilling works, shear pin locking cutter hub mechanism, when pilot bit drills water
During mud ring, cutter hub mechanism will not realize normal drilling toward overhanging, and the Tool Design has shear pin and shear pin,
Reaming cutter will not stretch out damage cutter when being worked under specified pumpage, when ream operation to be carried out, increase pump
Discharge capacity improve pump pressure, cut shear pin, the unblock of cutter hub mechanism, open reaming cutter in the presence of pushing block thrust, it is real
Existing reducing reaming work, this process are to promote piston body motion, piston body and reaming in tubing string inside and outside differential pressure using bit pressuredrop
Cutter head is connected with wedge, when piston body moves, promotes pushing block by wedge to promote reaming cutter to stretch out realization
Ream operation, termination of pumping after the completion of ream operation put into steel ball at well head, and the steel ball can automatically drop into section on piston body
The mouth that dams at, pressure of being sprained after air pump, after reaching certain pressure intensity, promote piston body motion, reaming cutter is retracted by wedge
Into cutter hub mechanism, so as to realize that withdrawing works, during cutter is operated, nozzle mechanism can carry out one clearly to cutter
Wash and cooling effect, cleaning fluid spray from second nozzle, the 3rd nozzle and the 4th nozzle, the silt on drill bit and scrap entered
Row cleaning, coolant spray from first jet, carry out cooling effect to drill bit, the hex screw on nozzle mechanism is to four nozzles
Effect is fixed, sealing ring is circlip and spring pad in order to prevent that outflow causes to waste the liquid in nozzle accidentally
Circle is that mounting hole is that nozzle mechanism is arranged in main body, while also allows for dismounting in order to reduce the friction damage between nozzle.
Preferably, first sealing ring is in the shape of the letter V shape structure, and V-structure can be sealed well.
Preferably, the u-shaped shape structure of second sealing ring, the position of the second sealing ring is pilot bit and main body
Sealing station, it is more particularly suitable using U-shape structure.
Preferably, the second nozzle, the 3rd nozzle, the 4th nozzle are φ 5mm nozzle.
Preferably, the first jet be φ 8mm nozzle and direction with its excess-three nozzle direction on the contrary, in order to more preferable
Ground cleans.
Preferably, the nozzle mechanism can disassemble from PDC drill bit cutter.
A kind of beneficial effect of away drill cuttings provided by the utility model is：
1) enlarging while drilling can be realized or implement the function of reaming after boring, nozzle mechanism can be preferably clear to drill bit
Wash, prevent bit balling and cooling drill bit；
2) nozzle mechanism can dismount from cutter, easy to use；
Brief description of the drawings
Fig. 1 is overall structure front view of the present utility model；
Fig. 2 is overall structure top view of the present utility model；
Fig. 3 is nozzle mechanism structural front view of the present utility model；
Fig. 4 is nozzle mechanism structure top view of the present utility model；
Fig. 5 is the first ring structure schematic diagram of the present utility model；
Fig. 6 is the second sealing ring structural scheme of mechanism of the present utility model.
In figure：1st, main body；2nd, the first sealing ring；3rd, piston body；4th, cutter hub mechanism；5th, pushing block；6th, shear pin；7th, shear pin
Nail；8th, nozzle mechanism；9th, the second sealing ring；10th, it is oriented to joint；11st, steel ball；12nd, pilot bit；401st, reaming cutter；402、
Wedge；801st, nozzle body；802nd, hex screw；803rd, circlip；804th, nozzle wall；805th, sealing ring；806th, spring pad
Circle；807th, mounting hole；808th, first jet；809th, second nozzle；810th, the 3rd nozzle；811st, the 4th nozzle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The every other embodiment that ordinary people in the field is obtained under the premise of creative work is not made, is belonged to
The scope of protection of the utility model.
Embodiment：A kind of away drill cuttings.
Referring to figs. 1 to shown in Fig. 4, a kind of away drill cuttings, it is characterised in that including：Main body 1；Before being arranged on the main body 1
The pilot bit 12 at end；The piston body 3 of center in main body 1；It is arranged on the steel ball of the upper surface of piston body 3
11；The first sealing ring 2 between the upper end of piston body 3 and main body 1；Second between the lower end of piston body 3 and main body 1 is close
Seal 9；The cutter hub mechanism 4 of installation on the body 1, the cutter hub mechanism 4 include reaming cutter 401, wedge 402, the expansion
Hole cutter head 401 is arranged on the both sides of wedge 402；Pushing block 5 installed in the side of cutter hub mechanism 4；Installed in the side of pushing block 5
Shear pin 6, shear pin 7, the shear pin 7 are arranged on the lower section of shear pin 6；Nozzle installed in the side of shear pin 6
Mechanism 8, the nozzle mechanism include nozzle body 801, hex screw 802, circlip 803, nozzle wall 804, sealing ring 805,
Spring washer 806, mounting hole 807, first jet 808, second nozzle 809, the 3rd nozzle 810, the 4th nozzle 811, the peace
Fill hole 807 to be arranged on nozzle body 801, the first jet 808 is arranged on the right side of mounting hole 807, turns right install respectively successively
Second nozzle 809, the 3rd nozzle 810, the 4th nozzle 811, the hex screw 802 install first jet 808, second nozzle
809th, the 3rd nozzle 810, in the 4th nozzle 811, the nozzle wall 804 is arranged on the both sides of nozzle, and the sealing ring 805 is installed
On nozzle wall 804, the spring washer 806 is arranged in nozzle, and the circlip 803 is arranged on 806 liang of spring washer
Side；Guiding joint 10 installed in the side of main body 1.
In the above-mentioned technical solutions, when enlarging while drilling works, the locking cutter hub mechanism 4 of shear pin 7, when pilot bit 12 bores
During wearing cement sheath, cutter hub mechanism 4 will not realize normal drilling toward overhanging, and the Tool Design has shear pin 6 and shearing
Pin 7, reaming cutter 401 will not stretch out damage cutter when being worked under specified pumpage, when ream operation to be carried out
Wait, the discharge capacity for increasing pump improves pump pressure, cuts shear pin 7, and cutter hub mechanism 4 unlocks, and makes reaming in the presence of the thrust of pushing block 5
Cutter head 401 opens, and realizes that reducing reaming works, and this process is to promote piston body 3 to transport in tubing string inside and outside differential pressure using bit pressuredrop
Dynamic, piston body 3 is connected with reaming cutter 401 with wedge 402, when piston body 3 moves, is pushed away by wedge 402
Block 5 and then promote reaming cutter 401 to stretch out to realize ream operation, termination of pumping after the completion of ream operation, steel ball 11 is put at well head,
The steel ball 11 can be dropped into automatically on piston body 3 at the mouth that dams of section, pressure of being sprained after air pump, after reaching certain pressure intensity, promoted
Piston body 3 is moved, and reaming cutter 401 is withdrawn into cutter hub mechanism 4 by wedge 402, so as to realize that withdrawing works,
During cutter is operated, nozzle mechanism 8 can carry out a cleaning and cooling effect to cutter, and cleaning fluid is from second nozzle
809th, the 3rd nozzle 810 and the spray of the 4th nozzle 811 go out, and the silt on drill bit and scrap are cleaned, and coolant is from first
Nozzle 808 sprays, and to drill bit progress cooling effect, work is fixed to four nozzles in the hex screw 802 on nozzle mechanism 8
With sealing ring 805 is circlip 803 and spring washer 806 in order to prevent that outflow causes to waste the liquid in nozzle accidentally
It is that mounting hole 807 is to install nozzle mechanism 8 on the body 1, while also allows for tearing open in order to reduce the friction damage between nozzle
Dress.
Shown in reference picture 5, first sealing ring 2 is in the shape of the letter V shape structure, and V-structure can be sealed well.
Shown in reference picture 6, the u-shaped shape structure of the second sealing ring 9, the position of the second sealing ring 9 is pilot bit
12 with the sealing station of main body 1, it is more particularly suitable using U-shape structure.
Shown in reference picture 3, Fig. 4, the second nozzle 809, the 3rd nozzle 810, the 4th nozzle 811 are φ 5mm spray
Mouth.
Shown in reference picture 3, Fig. 4, the first jet 808 is φ 8mm nozzle and direction and its excess-three nozzle direction
On the contrary, in order to preferably clean.
Shown in reference picture 4, the nozzle mechanism 8 can disassemble from PDC drill bit cutter.
Described above is preferred embodiment of the present utility model, but the utility model should not be limited to the embodiment and
Accompanying drawing disclosure of that, so every do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model, all fall
Enter the scope of the utility model protection.
Claims (6)
- A kind of 1. away drill cuttings, it is characterised in that including：Main body；It is arranged on the pilot bit of the body front end；The piston body of center in main body；It is arranged on the steel ball of the piston body upper surface；Installed in piston body upper end and intersubjective first sealing ring；Installed in piston body lower end and intersubjective second sealing ring；Cutter hub mechanism in main body, the cutter hub mechanism include reaming cutter, wedge, and the reaming cutter is arranged on Wedge both sides；Pushing block installed in cutter hub mechanism side；Shear pin, shear pin installed in the pushing block side, the shear pin are arranged on below the shear pin；Nozzle mechanism installed in shear pin side, the nozzle mechanism include nozzle body, hex screw, circlip, nozzle Wall, sealing ring, spring washer, mounting hole, first jet, second nozzle, the 3rd nozzle, the 4th nozzle, the mounting hole installation On nozzle body, the first jet is arranged on the right side of mounting hole, turns right install second nozzle, the 3rd nozzle, the respectively successively Four nozzles, hex screw installation first jet, second nozzle, the 3rd nozzle, in the 4th nozzle, the nozzle wall is arranged on The both sides of nozzle, the sealing ring are arranged on nozzle wall, and the spring washer is arranged in nozzle, the circlip installation In spring washer both sides；Installed in the guiding joint of body side.
- A kind of 2. away drill cuttings as claimed in claim 1, it is characterised in that：First sealing ring is in the shape of the letter V shape structure.
- A kind of 3. away drill cuttings as claimed in claim 1, it is characterised in that：The u-shaped shape structure of second sealing ring.
- A kind of 4. away drill cuttings as claimed in claim 1, it is characterised in that：The first jet, the 3rd nozzle, the 4th nozzle It is φ 5mm nozzle.
- A kind of 5. away drill cuttings as claimed in claim 1, it is characterised in that：The second nozzle is φ 8mm nozzle and side To opposite with its excess-three nozzle direction.
- A kind of 6. away drill cuttings as claimed in claim 1, it is characterised in that：The nozzle mechanism can be dismantled from PDC drill bit Get off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883917.XU CN207048683U (en) | 2017-07-20 | 2017-07-20 | A kind of away drill cuttings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883917.XU CN207048683U (en) | 2017-07-20 | 2017-07-20 | A kind of away drill cuttings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048683U true CN207048683U (en) | 2018-02-27 |
Family
ID=61497203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720883917.XU Expired - Fee Related CN207048683U (en) | 2017-07-20 | 2017-07-20 | A kind of away drill cuttings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207048683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837593A (en) * | 2022-04-26 | 2022-08-02 | 中海油田服务股份有限公司 | Sleeve forging and milling device |
-
2017
- 2017-07-20 CN CN201720883917.XU patent/CN207048683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837593A (en) * | 2022-04-26 | 2022-08-02 | 中海油田服务股份有限公司 | Sleeve forging and milling device |
| CN114837593B (en) * | 2022-04-26 | 2023-11-17 | 中海油田服务股份有限公司 | Casing pipe forging and milling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190720 |