CN207934812U - A kind of rotary steering drilling tool - Google Patents
A kind of rotary steering drilling tool Download PDFInfo
- Publication number
- CN207934812U CN207934812U CN201721874456.6U CN201721874456U CN207934812U CN 207934812 U CN207934812 U CN 207934812U CN 201721874456 U CN201721874456 U CN 201721874456U CN 207934812 U CN207934812 U CN 207934812U
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- China
- Prior art keywords
- drill bit
- rotary
- cylinder
- mounting cylinder
- drilling tool
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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 rotary steering drilling tool, belongs to oil-drilling field.Rotary steering drilling tool includes mainly drill collar, drill bit shaft, mud tube and direction controlling module including direction, and drill bit shaft one end is connect with mud tube, and the other end is provided with drill bit.The end of drill collar and mounting cylinder connects, and drill bit shaft is connected by the inner wall of universal joint and mounting cylinder, and mud tube is arranged in drill collar.When needing to change probing direction, the direction for adjusting drill bit shaft is needed;At this point, starting driving device, driving device control rotary cylinder rotates in mounting cylinder, and since the axis of rotary cylinder through-hole and the axis of rotary cylinder outer circle wall are arranged in angle, and drill bit shaft installation is coaxially disposed in through-holes and with through-hole;Therefore when rotary cylinder rotation, rotary cylinder is applied to drill bit shaft active force by the inner wall of through-hole so that the direction of drill bit shaft deflects, and then drives to be arranged and change in the drill bit probing direction of drill bit shaft end.
Description
Technical field
The utility model is related to oil exploration equipment fields, in particular to a kind of rotary steering drilling tool.
Background technology
It during oil exploitation, needs to use rotary steerable drilling system, includes mainly the brill being arranged on oil well
Machine and setting are used for the rotation rotary steering drilling tool of probing down below, and drilling machine passes through flexible drive shaft and rotation rotary steering
Drill bit shaft on drilling tool is sequentially connected, and to deliver torque to drill bit shaft, drill bit shaft drives drill bit probing.
In order to control the probing direction of drill bit, a kind of rotary steering drilling tool that can change probing direction is needed.
Utility model content
The purpose of this utility model is to provide a kind of rotary steering drilling tools, are capable of the probing direction of drill bit.
The utility model is realized in this way:
A kind of drilling direction control module, including:
Including drill collar, drill bit shaft, mud tube and direction controlling module, the drill bit shaft is hollow shaft, the drill bit shaft
One end connect with the mud tube, the other end is provided with drill bit;The direction controlling module includes:
Mounting cylinder;
Rotary cylinder, the rotary cylinder is coaxial with the mounting cylinder and is arranged in the mounting cylinder, the rotary cylinder setting
There are through-hole, the axis of the through-hole and the axis of the rotary cylinder to be arranged in angle, the drill bit shaft is mounted in the through-hole;
The rotary cylinder is provided at both ends with cyclization, and the cooperation ring set is located on the outer wall of the rotary cylinder, institute
Rotary cylinder is stated to be rotatably coupled with the mounting cylinder with cyclization by described;
Accommodating sky is enclosed between inner wall with cyclization, the outer wall of the rotary cylinder and the mounting cylinder described in two
Between, the accommodating space is for storing lubricating oil;
Driving device, the driving device include motor, driving wheel and sun gear, and the motor is fixed with the mounting cylinder
The output shaft of connection, the driving wheel and the motor is sequentially connected;
The sun gear is connect with the end of the rotary cylinder, and the driving wheel is engaged with the sun gear and can be driven
The rotary cylinder rotation;
The drill collar is connect with the end of the mounting cylinder, the inner wall that the drill bit shaft passes through universal joint and the mounting cylinder
Connection, the mud tube are arranged in the drill collar.
Further,
The motor is variable-frequency motor.
Further,
The direction controlling module further includes controller and angular transducer, the controller and the motor and the angle
Sensor electrical connection is spent, the angular transducer is used to detect the rotational angle of the rotary cylinder.
Further,
The driving device further includes gear ring, and the gear ring and the mounting cylinder are rotatablely connected, the driving wheel with it is described
Gear ring internal messing.
Further,
Driven wheel there are two being also set up in the gear ring, the driven wheel is identical as the driving wheel basic parameter, described
Driven wheel is uniformly distributed with the driving wheel in the gear ring;The driving wheel is connect with the mounting cylinder.
Further,
The driving device further includes turbine worm reducer, the motor by the turbine worm reducer with it is described
Driving wheel connects.
Further,
Silk floss is plugged in the accommodating space, the silk floss is for storing lubricating oil;It is set on the outer wall of the rotary cylinder
It is equipped with protrusion, when the rotary cylinder rotates, the protrusion can squeeze the silk floss.
Further,
It is described to be connect with the mounting cylinder by bearing with cyclization.
Further,
The direction controlling module further includes controller, and temperature sensor, the temperature sensing are provided on the bearing
Device is electrically connected with the controller.
Further,
It is described to be integrally formed with cyclization and the rotary cylinder.
Further,
The endoporus of the mounting cylinder is provided at both ends with sealing device, and the sealing device is rotatably assorted with the mounting cylinder,
The drill bit shaft passes through the sealing device.
Further,
The controller is microcontroller or PLC.
The utility model has the beneficial effects that:
The rotary steering drilling tool that the utility model is obtained by above-mentioned design, since which employs direction controlling moulds
Block.When needing to change probing direction, the direction for adjusting drill bit shaft is needed;At this point, starting driving device, driving device control turns
Dynamic cylinder rotates in mounting cylinder, since the axis of rotary cylinder through-hole and the axis of rotary cylinder outer circle wall are arranged in angle, and
Drill bit shaft installation is coaxially disposed in through-holes and with through-hole;Therefore when rotary cylinder rotation, rotary cylinder is applied to by the inner wall of through-hole
Drill bit shaft active force so that the direction of drill bit shaft deflects, and then drives to be arranged and change in the drill bit probing direction of drill bit shaft end.
In addition, the mud under drill bit bores can be discharged by drill bit shaft and mud tube.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the rotary steerable drilling system that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram for the rotation rotary steering drilling tool that the utility model embodiment provides;
Fig. 3 is the structural schematic diagram for the drilling direction control module that the utility model embodiment provides;
Fig. 4 is the driving device structure schematic diagram for the drilling direction control module that the utility model embodiment provides.
Icon:200- rotary steerable drilling systems;202- drilling machines;204- drill strings;206- drills;100- rotary steerable drillings
Tool;110- drill collars;120- drill bit shafts;122- drill bits;130- direction controlling modules;132- mounting cylinders;134- rotary cylinders;136-
With cyclization;138- driving devices;1382- motors;1383- driving wheels;1384- sun gears;1386- gear rings;1387- driven wheels;
1388- planet stents;140- mud tubes;142- mud pipe fittings;150- universal joints;160- sealing devices.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Mode shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be
Mechanical connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
Embodiment:
Such as Fig. 1, Fig. 1 shows the overall structure diagrams of rotary steerable drilling system 200 provided in this embodiment.Rotation is led
Include mainly that drilling machine 202, drill string 204, drill bit 122 and the rotation rotary steering of setting on the ground are bored to well system 200
Well tool 100.Drill string 204 is supported by drilling machine 202, can be extended from surface into drilling 206, and rotary column is by drilling machine 202
Power passes to rotation rotary steering drilling tool 100, and finally driving drill bit 122 is oriented drilling well.Also, in order to change
The probing direction of drill bit 122 is provided with drilling direction control module 130 on rotation rotary steering drilling tool 100.
As Fig. 2, Fig. 2 indicate the sectional view of rotation rotary steering drilling tool 100.Rotary steering drilling tool 100 includes
Drill collar 110, drill bit shaft 120, direction controlling module 130, mud tube 140,140 connector of mud tube, universal joint 150 and sealing device
160.Drill bit shaft 120 can be mechanically connected to by universal joint 150 and drilling direction control module 130 on drill collar 110.Drill bit shaft
120 rotate around universal joint 150, can be used as mandrel.Sealing device 160 is in circular plate structure, with drill collar 110
Wall is rotatablely connected.
The weight and the rotation torque of drill collar 110 of entire drill string 204 can be transmitted to by universal joint 150 on drill bit 122.It bores
Head axis 120 can be controlled relative to the direction of drill collar 110 and angle of inclination by direction controlling module 130.Drill string 204, drill collar
110 and the connection drive connection of drill bit shaft 120 can directly use structure in the prior art, the present embodiment to its no longer into
Row explanation.
As Fig. 3, Fig. 3 indicate the structural schematic diagram of direction controlling module 130.Direction controlling module 130 includes mounting cylinder
132, rotary cylinder 134 and the driving device 138 for driving rotary cylinder 134 to rotate.The generally cylindric revolution of rotary cylinder 134
Body is set on the outer wall of rotary cylinder 134 in being provided at both ends with cyclization 136 for rotary cylinder 134 with cyclization 136;And coordinate
Ring 136 is integrally formed with rotary cylinder 134.In addition, with bearing is provided in cyclization 136, for rotationally connecting with mounting cylinder 132
It connects.
Through-hole is provided on rotary cylinder 134, the axis of through-hole is arranged with the axis of rotary cylinder 134 in angle, and through-hole is used for
Drill bit shaft 120 is installed.By experiments have shown that, above-mentioned angle be 30 ° -45 ° between when, rotational efficienty highest, in the present embodiment, on
It is 40 ° to state angle.
Such as Fig. 4, driving device 138 includes that motor 1382, driving wheel 1383, sun gear 1384, gear ring 1386, two are driven
Wheel 1387 and planet stent 1388.Motor 1382 is fixedly connected with mounting cylinder 132, the output of driving wheel 1383 and motor 1382
Axis is sequentially connected;Sun gear 1384 is connect with the end of rotary cylinder 134, and driving wheel 1383 engages with sun gear 1384 and being capable of band
Dynamic rotary cylinder 134 rotates.Driven wheel 1387 is master gear with driving wheel 1383 and basic parameter is identical, driven wheel 1387
It is uniformly distributed in gear ring 1386 with driving wheel 1383;Driving wheel 1383 is connect with mounting cylinder 132.Driving wheel 1383 and two from
Driving wheel 1387 is connected by planet stent 1388, and planet stent 1388 is fixedly connected with the inner wall of mounting cylinder 132.Motor 1382 is logical
Cross cable (not shown) and the power electric connection on ground.
Match cyclization 136 since the both ends of rotary cylinder 134 are provided with so that two outer walls with cyclization 136, rotary cylinder 134
Accommodating space is formed between the inner wall of mounting cylinder 132;The accommodating space is for storing lubricating oil.Further, in accommodating space
Inside fill up the floc (not shown) for having silk floss etc. that can absorb storage lubricating oil.And on the inner wall of mounting cylinder 132
Be both provided with the spherical protrusion (not shown) of multiple semicircles on the outer wall of rotary cylinder 134, protrusion is in mounting cylinder 132 and turns
It is in matrix distribution on dynamic cylinder 134, it is convex on the protrusion and rotary cylinder 134 on mounting cylinder 132 when rotary cylinder 134134 rotates
The distance between portion can change correspondingly, and when two protrusion just faces, distance is minimum.By 132 upper convex portion of mounting cylinder and
The variation of 134 upper convex portion distance of rotary cylinder can squeeze fluff material, to squeeze out lubricating oil;And when away from
When from increasing, fluff material, which restores deformation, to be absorbed by the lubricating oil of flow regime, prevent oil leakage.
By above-mentioned design, in rotation, the protrusion on rotary cylinder 134 can squeeze silk floss rotary cylinder 134, from
And the lubricating oil in silk floss is squeezed out into supply with the bearing in cyclization 136;To improve the service life of bearing, additionally it is possible to as possible
Avoid oil leakage.And above structure is very simple, can directly be replaced after silk floss damage, cost is relatively low.
Further, drilling direction control module 130 further includes controller and angular transducer, controller and motor 1382
And angular transducer electrical connection, angular transducer are used to detect the rotational angle of rotary cylinder 134;When the rotation of rotary cylinder 134
To after suitable position, angular transducer sends signal to controller, and controller controls motor 1382 and shuts down, rotary cylinder 134
It stops operating.
Mounting cylinder 132 directly uses drill collar 110 in the present embodiment, i.e. drill collar 110 serves as mounting cylinder 132, rotary cylinder 134
It is directly installed in drill collar 110.In other embodiments, mounting cylinder 132 can be another individual tubular structure, tubular
Structure is connect with drill collar 110.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rotary steering drilling tool, which is characterized in that including drill collar, drill bit shaft, mud tube and direction controlling module,
The drill bit shaft is hollow shaft, and one end of the drill bit shaft is connect with the mud tube, and the other end is provided with drill bit;The direction
Control module includes:
Mounting cylinder;
Rotary cylinder, the rotary cylinder is coaxial with the mounting cylinder and is arranged in the mounting cylinder, and the rotary cylinder is provided with logical
Hole, the axis of the through-hole and the axis of the rotary cylinder are arranged in angle, and the drill bit shaft is mounted in the through-hole;
The rotary cylinder is provided at both ends with cyclization, and the cooperation ring set is located on the outer wall of the rotary cylinder, the rotation
Cylinder is rotatably coupled with cyclization with the mounting cylinder by described;
It is enclosed accommodating space between inner wall with cyclization, the outer wall of the rotary cylinder and the mounting cylinder described in two,
The accommodating space is for storing lubricating oil;
Driving device, the driving device include motor, driving wheel and sun gear, and the motor is fixed with the mounting cylinder to be connected
It connects, the output shaft of the driving wheel and the motor is sequentially connected;
The sun gear is connect with the end of the rotary cylinder, and the driving wheel is engaged with the sun gear and can be driven described
Rotary cylinder rotates;
The drill collar is connect with the end of the mounting cylinder, and the drill bit shaft is connected by the inner wall of universal joint and the mounting cylinder
It connects, the mud tube is arranged in the drill collar.
2. rotary steering drilling tool according to claim 1, which is characterized in that it is plugged with silk floss in the accommodating space,
The silk floss is for storing lubricating oil;Protrusion is provided on the outer wall of the rotary cylinder, when the rotary cylinder rotates, the protrusion
The silk floss can be squeezed.
3. rotary steering drilling tool according to claim 1, which is characterized in that the driving device further includes gear ring,
The gear ring is rotatablely connected with the mounting cylinder, the driving wheel and the gear ring internal messing.
4. rotary steering drilling tool according to claim 3, which is characterized in that also set up in the gear ring there are two from
Driving wheel, the driven wheel is identical as the driving wheel basic parameter, and the driven wheel is equal in the gear ring with the driving wheel
Even distribution;The driving wheel is connect with the mounting cylinder.
5. rotary steering drilling tool according to claim 1, which is characterized in that the endoporus both ends of the mounting cylinder are arranged
There are sealing device, the sealing device to be rotatably assorted with the mounting cylinder, the drill bit shaft passes through the sealing device.
6. rotary steering drilling tool according to claim 1, which is characterized in that the motor is variable-frequency motor.
7. rotary steering drilling tool according to claim 1, which is characterized in that it is described with cyclization by bearing with it is described
Mounting cylinder connects.
8. rotary steering drilling tool according to claim 7, which is characterized in that the direction controlling module further includes control
Device processed is provided with temperature sensor on the bearing, and the temperature sensor is electrically connected with the controller.
9. rotary steering drilling tool according to claim 8, which is characterized in that the controller is microcontroller.
10. rotary steering drilling tool according to claim 8, which is characterized in that the controller is PLC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721874456.6U CN207934812U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721874456.6U CN207934812U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool |
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CN207934812U true CN207934812U (en) | 2018-10-02 |
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CN201721874456.6U Expired - Fee Related CN207934812U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool |
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CN (1) | CN207934812U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108331543A (en) * | 2017-12-27 | 2018-07-27 | 中国石油集团长城钻探工程有限公司 | A kind of rotary steering drilling tool |
-
2017
- 2017-12-27 CN CN201721874456.6U patent/CN207934812U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108331543A (en) * | 2017-12-27 | 2018-07-27 | 中国石油集团长城钻探工程有限公司 | A kind of rotary steering drilling tool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC GREATWALL DRILLING Co. Address before: 100000 Beijing Chaoyang District Anli Road No. 101 Patentee before: CNPC GREATWALL DRILLING Co. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20211227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |