CN210622740U - Intelligent rock debris cleaning device - Google Patents
Intelligent rock debris cleaning device Download PDFInfo
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- CN210622740U CN210622740U CN201921694155.4U CN201921694155U CN210622740U CN 210622740 U CN210622740 U CN 210622740U CN 201921694155 U CN201921694155 U CN 201921694155U CN 210622740 U CN210622740 U CN 210622740U
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- sleeve
- cleaning device
- scraper blade
- installation cavity
- intelligent
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Abstract
The utility model relates to a cleaning device, concretely relates to intelligence detritus cleaning device. It comprises the sleeve, the top connection, the bottom connection, reposition of redundant personnel subassembly and scraper blade, the top connection is installed to telescopic one end port internal thread, the bottom connection is installed to telescopic other end port internal thread, it has the reposition of redundant personnel subassembly to overlap through thrust bearing movable sleeve in the sleeve between bottom connection and the top connection, be provided with the installing flange in the sleeve, be radially provided with the installation cavity in the installing flange, installation cavity and reposition of redundant personnel subassembly intercommunication, the scraper blade is equipped with respectively in the installation cavity, be provided with the spring between scraper blade and the sleeve, the end of scraper blade extends to telescopic outside. This intelligence detritus cleaning device has only clearance bottom detritus bed and the effectual characteristics of clearance, has solved the clearance that current cleaning device deposit thoroughly and the poor problem of clearance effect, has satisfied drilling engineering's needs.
Description
Technical Field
The utility model relates to a cleaning device, concretely relates to intelligence detritus cleaning device.
Background
In the process of exploiting oil and gas resources, in order to adapt to complex terrain structures and working conditions, people develop various drilling tools to realize the drilling function, but a large amount of bottom hole rock debris inevitably appears in the exploiting process, and the rock debris can be accumulated into a rock debris bed after long-term accumulation if the bottom hole rock debris is not cleaned in time; the detritus bed has great potential safety hazard, easily hinders the motion of drilling tool, reduces the rotational speed of drilling tool, causes poor pump, poor drill and stuck drill accidents, so the cleaning device is required to remove the bottom hole detritus.
The traditional cleaning device can only scrape the well wall by 360 degrees due to the structure, and although the traditional cleaning device can clean the detritus bed on the bottom well wall, the device can scrape the detritus on the top well wall in the rotating process, and the detritus is deposited on the bottom under the action of gravity, so that the cleaning work is not thorough; in addition, the rock debris bed has certain hardness, the cleaning device uses a common scraper to scrape rock debris difficultly, the cleaning effect is poor, and the replacement of a special scraper increases the production cost, so that a new cleaning device is needed to solve the defects.
Disclosure of Invention
The utility model aims to provide a: the utility model provides an only clear up bottom detritus bed, clearance effectual to solve the clearance that current cleaning device deposit thoroughly and clear up the intelligent detritus cleaning device of the poor problem of effect.
The technical scheme of the utility model is that:
the utility model provides an intelligence detritus cleaning device, it comprises sleeve, top connection, lower clutch, reposition of redundant personnel subassembly and scraper blade, its characterized in that: the top connection is installed to telescopic one end port internal thread, and the bottom connection is installed to telescopic other end port internal thread, and through thrust bearing movable sleeve cover in the sleeve between bottom connection and the top connection have the reposition of redundant personnel subassembly, is provided with the installation flange in the sleeve, is radially provided with the installation cavity in the installation flange, installation cavity and reposition of redundant personnel subassembly intercommunication are equipped with the scraper blade in the installation cavity respectively, are provided with the spring between scraper blade and the sleeve, and the end of scraper blade extends to telescopic outside.
The inner holes of the sleeve, the upper joint and the lower joint are variable-diameter holes.
The shunt assembly comprises a central tube, limiting cylinders and eccentric blocks, wherein the central tube is symmetrically sleeved with the limiting cylinders, the central tube between the limiting cylinders is sleeved with the eccentric blocks, and the eccentric blocks are connected with the central tube in a key mode.
The central tube is radially provided with a shunting through groove.
The eccentric block is a fan-shaped eccentric block.
The installation cavity be the rectangle chamber, the top of installation cavity is provided with the work hole, the bottom of installation cavity is provided with the intercommunicating pore.
The scraper blade be the T font, the scraper blade internal diameter is provided with pressure release groove, pressure release groove and installation cavity intercommunication, the symmetrical form in one side on the scraper blade is provided with the pressure release hole, pressure release hole and pressure release groove intercommunication.
The utility model has the advantages that:
the intelligent rock debris cleaning device has the characteristics of only cleaning a bottom rock debris bed and good cleaning effect, the shunting assembly has a one-way shunting effect, and the scraper can extend out when moving to the lower part of the sleeve by utilizing gravity and the pressure of drilling fluid, so that top rock debris is prevented from being scraped; drilling fluid in the scraper blade is spout from the pressure release hole, erodes the detritus, has strengthened the clearance effect, has solved the clearance that current cleaning device has and has been deposited thoroughly and the poor problem of clearance effect, has satisfied drilling engineering's needs.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;
fig. 3 is a schematic perspective view of the sleeve according to the present invention;
fig. 4 is a schematic sectional view of the sleeve according to the present invention;
FIG. 5 is a schematic front view of the scraper of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 5;
fig. 7 is a schematic structural view of the flow distribution assembly of the present invention;
FIG. 8 is a schematic cross-sectional view taken along line C-C of FIG. 7;
fig. 9 is a schematic perspective view of the center tube of the present invention;
FIG. 10 is a schematic perspective view of an eccentric block according to the present invention;
fig. 11 is a schematic view of the operation of the present invention.
In the figure: 1. the device comprises a sleeve, 2, an upper joint, 3, a lower joint, 4, a scraper, 5, a thrust bearing, 6, a central pipe, 7, a limiting cylinder, 8, an eccentric block, 9, a shunting through groove, 10, an installation cavity, 11, a communication hole, 12, a pressure relief groove, 13, a pressure relief hole, 14, a well wall, 15, a rock debris bed, 16, a spring, 17, a working hole, 18 and an installation flange.
Detailed Description
The intelligent rock debris cleaning device is composed of a sleeve 1, an upper joint 2, a lower joint 3, a shunt assembly and a scraper 4, wherein the upper joint 2 is installed on an internal thread at one end port of the sleeve 1, the upper joint 2 is used for connecting an upper pipe column so as to conduct the rotating force of a drilling tool, the drilling fluid of the upper pipe column enters the cleaning device through an inner hole of the upper joint 2, the lower joint 3 is installed on an internal thread at the other end port of the sleeve 1, the lower joint 3 is used for connecting a lower downhole tool so as to continue to conduct the rotating force downwards, and the drilling fluid in the cleaning device enters the lower downhole tool through an inner hole of the lower joint 3; the inner holes of the sleeve 1, the upper joint 2 and the lower joint 3 are variable-diameter holes, wherein the inner hole of the lower joint 3 is a horn hole with a large left side and a small right side, so that pressure is generated in the cleaning device, and the hydraulic pressure of the drilling fluid during working is increased.
A shunt component is movably sleeved in the sleeve 1 between the lower joint 3 and the upper joint 2 through a thrust bearing 5, the shunt component comprises a central tube 6, a limiting barrel 7 and an eccentric block 8, the central tube 6 is communicated with the upper joint 2 and the lower joint 3, the central tube 6 can not generate axial movement under the limiting action of the upper joint 2 and the lower joint 3 but can freely rotate in the sleeve 1, a shunt through groove 9 is radially arranged on the central tube 6, the groove angle of the shunt through groove 9 on the tube wall is 120 degrees, the central tubes 6 at two sides of the shunt through groove 9 are symmetrically sleeved with the limiting barrels 7, the central tube 6 between the limiting barrels 7 is sleeved with the eccentric block 8, the limiting barrel 7 is matched with the sleeve 1 to axially limit the eccentric block 8, the eccentric block 8 is a fan-shaped eccentric block 8, the eccentric block 8 is connected with the central tube 6 in a key manner, so that the eccentric block 8 can not rotate on, and the fan-shaped one side of eccentric block 8 and reposition of redundant personnel logical groove 9 are in the homonymy on the center tube 6, when the sleeve pipe produced the rotation along with upper portion tubular column in the course of the work promptly, eccentric block 8 receives the action of gravity, and its fan-shaped one side is vertical downward all the time to drive center tube 6 and keep steady state in step, so that reposition of redundant personnel logical groove 9 orientation is downward all the time.
A mounting flange 18 is arranged in the sleeve 1, 4 mounting cavities 10 are radially arranged in the mounting flange 18, one mounting cavity 10 is always communicated with an inner hole of the central tube 6 through a shunting through groove 9, the mounting cavity 10 is a rectangular cavity, a working hole 17 is arranged at the top of the mounting cavity 10, a communication hole 11 is arranged at the bottom of the mounting cavity 10, and one communication hole 11 is always communicated with the shunting through groove 9; the installation cavity 10 is internally provided with the scraper plates 4 respectively, the scraper plates 4 synchronously rotate along with the sleeve 1 in the working process, the scraper plates 4 are T-shaped, when drilling fluid enters the installation cavity 10, the pressure of the drilling fluid pushes the scraper plates 4 to extend out of the sleeve 1, and the ends of the scraper plates 4 extend out of the sleeve 1 through the working holes 17, so that rock debris on the well wall 14 is cleaned in the rotating process.
A pressure relief groove 12 is formed in the scraper 4 in the radial direction, the pressure relief groove 12 is communicated with the installation cavity 10, pressure relief holes 13 are symmetrically formed in one side of the scraper 4, the pressure relief holes 13 are communicated with the pressure relief groove 12, and the pressure relief holes 13 are used for ejecting high-pressure drilling fluid to impact rock debris so that the scraper 4 can scrape the rock debris; a spring 16 is arranged between the scraper 4 and the sleeve 1, when drilling fluid stops entering the installation cavity 10, the hydraulic pressure is reduced, and the spring 16 pushes the scraper 4 to reset.
The working process of the cleaning tool is as follows: the upper portion tubular column drives the whole synchronous revolution of clearance instrument, the drilling fluid of upper portion tubular column passes through top connection 2 and gets into center tube 6, the drilling fluid in center tube 6 is led to groove 9 department at the reposition of redundant personnel and is produced the reposition of redundant personnel, some drilling fluid continues to follow center tube 6 and lower clutch 3 and gets into the downhole tool of lower part, the drilling fluid of another part leads to groove 9 and intercommunicating pore 11 through the reposition of redundant personnel and gets into in the installation cavity 10 of sleeve 1, because the drilling fluid in the lower clutch 3 messenger center tube 6 holds the pressure, consequently, the drilling fluid that gets into installation cavity 10 can keep higher hydraulic pressure.
Under the action of gravity, one fan-shaped side of the eccentric block 8 is always vertically downward and drives the central tube 6 to synchronously keep a constant and stable state, namely, in the rotating process of the sleeve, the flow dividing through groove 9 can keep a downward orientation, and the mounting cavity 10 of the sleeve continuously rotates, so that the mounting cavity 10 rotating to the lower part is communicated with the central tube 6; drilling fluid gets into the installation cavity 10 with center tube 6 intercommunication, and scraper blade 4 stretches out the outside of sleeve 1 through working hole 17 under the effect of hydraulic pressure, and scraper blade 4 is along with sleeve pipe synchronous revolution to clear up the detritus on the wall of a well 14 at rotatory in-process, drilling fluid gets into pressure release groove 12 in scraper blade 4 simultaneously, then from pressure release hole 13 blowout, in order to assault the detritus, the scraper blade 4 of being convenient for scrapes the detritus.
When the installation cavity 10 rotates to the upper side of the central pipe 6, the installation cavity 10 is not communicated with the central pipe 6, the scraper 4 is reset under the action of the spring 16, residual drilling fluid still exists in the installation cavity 10, the scraper 4 extrudes the drilling fluid in the resetting process, the drilling fluid is discharged out of the installation cavity 10 along the shunting through groove 9 and the pressure relief hole 13 under pressure, and the scraper 4 retracts at the moment, so that the well wall 14 at the top cannot be scraped.
The intelligent rock debris cleaning device has the characteristics of cleaning only the bottom rock debris bed 15 and good cleaning effect, the shunting assembly has a one-way shunting effect, and the scraper 4 can extend out when moving to the lower part of the sleeve 1 by utilizing gravity and the pressure of drilling fluid, so that top rock debris is prevented from being scraped; drilling fluid in the scraper blade 4 is spout from pressure release hole 13, erodes the detritus, has strengthened the clearance effect, has solved the clearance that current cleaning device has and has not thoroughly and the poor problem of clearance effect, has satisfied drilling engineering's needs.
Claims (7)
1. The utility model provides an intelligence detritus cleaning device, it comprises sleeve (1), top connection (2), lower clutch (3), reposition of redundant personnel subassembly and scraper blade (4), its characterized in that: the utility model provides a sleeve (1) is equipped with top connection (2) to the one end port internal thread of sleeve (1), bottom connection (3) are installed to the other end port internal thread of sleeve (1), through thrust bearing (5) movable sleeve in sleeve (1) between bottom connection (3) and top connection (2) be equipped with the reposition of redundant personnel subassembly, be provided with installation flange (18) in sleeve (1), be radially provided with installation cavity (10) in installation flange (18), installation cavity (10) and reposition of redundant personnel subassembly intercommunication, scraper blade (4) are equipped with respectively in installation cavity (10), be provided with spring (16) between scraper blade (4) and sleeve (1), the end of scraper blade (4) extends to the outside of sleeve (1).
2. The intelligent debris cleaning device of claim 1, wherein: the inner holes of the sleeve (1), the upper joint (2) and the lower joint (3) are variable-diameter holes.
3. The intelligent debris cleaning device of claim 1, wherein: the shunt assembly comprises a central tube (6), limiting cylinders (7) and eccentric blocks (8), wherein the central tube (6) is sleeved with the limiting cylinders (7) symmetrically, the central tube (6) between the limiting cylinders (7) is sleeved with the eccentric blocks (8), and the eccentric blocks (8) are connected with the central tube (6) in a key mode.
4. The intelligent debris cleaning device of claim 3, wherein: the central pipe (6) is radially provided with a flow dividing through groove (9).
5. The intelligent debris cleaning device of claim 3, wherein: the eccentric block (8) is a fan-shaped eccentric block (8).
6. The intelligent debris cleaning device of claim 1, wherein: the mounting cavity (10) is a rectangular cavity, a working hole (17) is formed in the top of the mounting cavity (10), and a communicating hole (11) is formed in the bottom of the mounting cavity (10).
7. The intelligent debris cleaning device of claim 1, wherein: scraper blade (4) be the T font, scraper blade (4) internal diameter is provided with pressure release groove (12), pressure release groove (12) and installation cavity (10) intercommunication, one side symmetry on scraper blade (4) form is provided with pressure release hole (13), pressure release hole (13) and pressure release groove (12) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694155.4U CN210622740U (en) | 2019-10-11 | 2019-10-11 | Intelligent rock debris cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694155.4U CN210622740U (en) | 2019-10-11 | 2019-10-11 | Intelligent rock debris cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210622740U true CN210622740U (en) | 2020-05-26 |
Family
ID=70759622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921694155.4U Active CN210622740U (en) | 2019-10-11 | 2019-10-11 | Intelligent rock debris cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210622740U (en) |
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2019
- 2019-10-11 CN CN201921694155.4U patent/CN210622740U/en active Active
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