CN207934810U - A kind of rotary steering drilling tool and well system - Google Patents
A kind of rotary steering drilling tool and well system Download PDFInfo
- Publication number
- CN207934810U CN207934810U CN201721873006.5U CN201721873006U CN207934810U CN 207934810 U CN207934810 U CN 207934810U CN 201721873006 U CN201721873006 U CN 201721873006U CN 207934810 U CN207934810 U CN 207934810U
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- ontology
- drill
- drilling tool
- rotary steering
- steering drilling
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Abstract
The utility model provides a kind of rotary steering drilling tool and well system, belongs to oil equipment technical field.It includes drill collar, drill bit and connecting shaft, and drill bit includes ontology and multiple drill strings;Ontology is detachably connected with drill collar by connecting shaft;Ontology is in the form of a column structure, and multiple drill strings are removably mounted on end face of the ontology far from drill collar.The well system, it is simple in structure and time saving and energy saving, have the characteristics that service life is longer.
Description
Technical field
The utility model is related to oil equipment technical fields, in particular to a kind of rotary steering drilling tool and brill
Well system.
Background technology
Drilling tool is mainly used for oil-drilling field, and PDC drill bit can be installed on drilling tool to improve drilling tool
Working efficiency when drilling well.
PDC drill bit is to be equipped with PDC in the cutting tooth of normal drill bit, be it is a kind of by man-made polycrystalline diamond with carbonization
The cutting element that tungsten pedestal welds together at high temperature under high pressure.
Since PDC drill bit last century the eighties come out, because with spies such as average rate of penetration height, the more, long lifespans of drilling depth
Point, be increasingly becoming oil, gas industry wide popularization and application a kind of efficient rock-breaking tool;As people are to a new generation
PDC drill bit understanding deepens continuously, its production technology is continuously improved, and usage amount also increases year by year.
Drilling tool in drilling well, in order to prevent wellbore sand setting, undergauge, etc. cause the difficulty that makes a trip, need use drill bit
To modify wellbore to ensure that the rounding of wellbore, the operation of this finishing wellbore are known as reaming in field of oil drilling.Reaming operation
Drill bit identical with original hole diameter must be used, makees upper and lower and rotary motion in well.Since normal drill bit wing is followed by inclined-plane,
And there are the presence of hole shrinkage;Drill bit can cause the wing back side to be directly attached to the upper borehole wall in reaming, to influence reaming effect
Fruit.
Utility model content
The utility model provides a kind of rotary steering drilling tool, it is intended to solve rotary steerable drilling work in the prior art
The existing above problem of tool.
What the utility model embodiment was realized in:
A kind of rotary steering drilling tool, the rotary steering drilling tool include drill collar, drill bit and connecting shaft, described
Drill bit includes ontology and multiple drill strings;The ontology is detachably connected by the connecting shaft and the drill collar;The ontology
It is in the form of a column structure, multiple drill strings are removably mounted on end face of the ontology far from the drill collar.
As a kind of optimal technical scheme of the utility model, one end of multiple drill strings connects with the ontology Tenon
It connects.
As a kind of optimal technical scheme of the utility model, the ontology has opposite first end face and second end
Face offers multiple first mounting grooves on the ontology, and the notch of multiple first mounting grooves is in the second end face,
One end of multiple drill strings is mounted in multiple first mounting grooves.
As a kind of optimal technical scheme of the utility model, the ontology has side, is offered on the ontology more
A second mounting groove, offers multiple connecting holes on one end of multiple drill strings, at the notch of multiple second mounting grooves
In on the side, multiple first mounting grooves are connected to multiple second mounting grooves, are installed in second mounting groove
There are locating piece, one end of the locating piece to inject in the connecting hole.
As a kind of optimal technical scheme of the utility model, internal thread, the brill are provided in first mounting groove
External screw thread is provided on one end of column, the threaded one end of the drill string is connected in first mounting groove.
As a kind of optimal technical scheme of the utility model, the axially extending direction of first mounting groove with described
The axially extending direction of body is consistent.
As a kind of optimal technical scheme of the utility model, the axially extending direction of first mounting groove with described
The axially extending direction of body is arranged in angle.
As a kind of optimal technical scheme of the utility model, the drill string tapered structure is equipped on the drill string
The sawtooth of multiple sequential like.
As a kind of optimal technical scheme of the utility model, the drill string includes interconnecting piece and adapter, the switching
Headgear is connected on the interconnecting piece, and spiral helicine protrusion is provided on the adapter.
A kind of well system, the well system include above-described rotary steering drilling tool.
The utility model has the beneficial effects that:
The utility model provides a kind of rotary steering drilling tool, and with drill collar, drill bit and connecting shaft, drill bit includes
Ontology and multiple drill strings;Since ontology is detachably connected with drill collar by connecting shaft, when damaging occurs in ontology or bores
When quickly there is damage, it can be replaced whenever and wherever possible, easy to use and abridged edition cost;Meanwhile it being offered on ontology more
A second mounting groove offers multiple connecting holes on one end of multiple drill strings, and the notch of multiple second mounting grooves is on side,
Multiple first mounting grooves are connected to multiple second mounting grooves, and locating piece is equipped in the second mounting groove, and one end of locating piece is injected
In connecting hole, multiple drill strings can be fixed in the first mounting groove by locating piece as a result,;Further, since the first mounting groove
Axially extending direction and ontology axially extending direction in angle be arranged, therefore, multiple drill strings can angularly be set
It sets among the first mounting groove, so set, when using the rotary steering drilling tool, it can be in rotary steerable drilling
During tool is crept into, sawtooth or the spiral helicine protrusion on drill string can be realized by the angle of inclination of drill string
Each face and all angles ground uniform stressed, and then avoid the damage for causing double wedge because of one-side stress and reduce
The service life of drill bit.
The well system that the utility model is obtained by above-mentioned design, the well system is due to above-mentioned rotary steering
Drilling tool is not only simple in structure, and also has the characteristics that prolong the service life.
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 steering drilling tool that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram for the drill bit that the utility model embodiment provides;
Fig. 3 is the structural schematic diagram for the ontology that the utility model embodiment provides;
Fig. 4 is the drill column structure schematic diagram that the utility model embodiment provides.
Icon:1- rotary steering drilling tools;2- drill collars;3- drill bits;4- connecting shafts;5- ontologies;6- drill strings;7- first ends
Face;8- second end faces;The first mounting grooves of 9-;The sides 10-;The second mounting grooves of 11-;12- connecting holes;13- interconnecting pieces;14- transfers
Head;15- protrusions.
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 implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.
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 element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
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.
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:
Present embodiments provide a kind of well system comprising rotary steering drilling tool 1 is mainly used for cutting ground
Layer, and then subsurface formations are in depth studied, further exploration and development is carried out to underground petroleum.
It please refers to Fig.1 to Fig.4, which includes drill collar 2, drill bit 3 and connecting shaft 4;Wherein, it bores
First 3 include ontology 5 and multiple drill strings 6, and ontology 5 is detachably connected by connecting shaft 4 and drill collar 2;Ontology 5 is in the form of a column structure,
Multiple drill strings 6 are removably mounted on end face of the ontology 5 far from drill collar 2.Drill bit 3 be mainly used for creep into stratum, to stratum into
Row well-sampling etc..Therefore, it when damaging occurs in ontology 5 or damage occurs in drill collar 2, can whenever and wherever possible carry out more
It changes, easy to use and abridged edition cost.
Further, in the present embodiment, cylindrical structure, ontology 5 have opposite first end face to ontology 5 on the whole
7 and second end face 8, multiple first mounting grooves 9 are offered on ontology 5, and the notch of multiple first mounting grooves 9 is in second end face 8
On, one end of multiple drill strings 6 is mounted in multiple first mounting grooves 9, and the other end protrudes outside the first mounting groove 9.
Further, ontology 5 has side 10, offers multiple second mounting grooves 11 on ontology 5, and the one of multiple drill strings 6
Multiple connecting holes 12 are offered on end, the notch of multiple second mounting grooves 11 is on side 10, multiple first mounting grooves 9 with it is more
A second mounting groove 11 is connected to, and locating piece is equipped in the second mounting groove 11, and one end of locating piece is injected in connecting hole 12.
It should be noted that in the present embodiment, the mode that mortise-tenon joint may be used with drill bit 3 for drill string 6 is installed,
It can also be attached by the way of being threadedly coupled;In other examples, other connection types can also be used
To be removably installed.
It should be noted that in the present embodiment, the axially extending direction of the first mounting groove 9 is axially extending with ontology 5
Direction is arranged in angle.
Multiple drill strings 6 can be angularly arranged among the first mounting groove 9 as a result, so set, should using
When rotary steering drilling tool 1, it can pass through drill string 6 during rotary steering drilling tool 1 is crept into
Each face and all angles the ground uniform stressed of sawtooth on drill string 6 or spiral helicine raised 15 are realized in angle of inclination,
The service life for avoiding the damage for causing double wedge because of one-side stress in turn and reducing drill bit 3.
Further, in the present embodiment, drill string 6 includes interconnecting piece 13 and adapter 14, and one end of interconnecting piece 13 is installed
In first mounting groove 9, meanwhile, adapter 14 is socketed on interconnecting piece 13, and spiral helicine multiple protrusions are provided on adapter 14
15, the axially extending direction of multiple raised 15 extending directions and adapter 14 in angle setting, between multiple raised 15 between
Away from identical.
It should be noted that in the present embodiment, the spacing of multiple first mounting grooves 9 is identical and is uniformly arranged on ontology 5
On, the spacing of multiple second mounting grooves 11 is identical and is uniformly arranged on side 10.
It should be noted that in the present embodiment, the structures such as screw or straight-bar, diameter may be used in multiple locating pieces
Less than the aperture of connecting hole 12.Meanwhile multiple locating pieces are equipped with multiple second mounting grooves 11, can be stuck in the second peace
In tankage 11.
Internal thread can be set on the inner wall of the second mounting groove 11, external screw thread, the two can be set on the end of locating piece
Among the second mounting groove of mode precession 11 that can be connected through a screw thread.
It should be noted that in other examples, cone structure may be used in drill string 6, is also equipped with thereon
The sawtooth of multiple sequential like.The sawtooth is in fan shape, this kind of structure can not only increase forced area so that the speed of drilling is more
Soon, on the other hand, stratum can quickly be crept by additionally aiding drill bit 3.Meanwhile the shape and angle of sawtooth are not restricted by.
It should be noted that in other examples, angled setting, is designed in this way between the sawtooth and drill string 6
Purpose can make drill bit 3 when rock cutting, and the axis of the axis and drill string 6 of sawtooth is a certain included angle, so as to
It is more efficiently that rock is cut.
It should be noted that in the present embodiment, which can be mounted on drill string 6 by welding, also may be used
To be connected to by pin on drill string 6 or be connect with drill string 6 in a manner of being connected through a screw thread.In other examples,
It can also be connect with drill string 6 by way of mortise-tenon joint.
It should be noted that in other examples, it can be provided with internal thread in the first mounting groove 9, the one of drill string 6
It can be provided with external screw thread on end, the threaded one end of drill string 6 is connected in the first mounting groove 9, and drill string 6 can be connected through a screw thread
The first mounting groove of mode precession 9 among.
In conclusion the utility model provides a kind of rotary steering drilling tool 1, with drill collar 2, drill bit 3 and connect
Spindle 4, drill bit 3 include ontology 5 and multiple drill strings 6;Since ontology 5 is detachably connected by connecting shaft 4 and drill collar 2,
When damaging occurs in ontology 5 or damage occurs in drill collar 2, can be replaced whenever and wherever possible, easy to use and abridged edition at
This;Meanwhile multiple second mounting grooves 11 are offered on ontology 5, and multiple connecting holes 12 are offered on one end of multiple drill strings 6, it is more
The notch of a second mounting groove 11 is on side 10, and multiple first mounting grooves 9 are connected to multiple second mounting grooves 11, the second peace
Locating piece is installed, one end of locating piece is injected in connecting hole 12, and multiple drill strings 6 can pass through positioning as a result, in tankage 11
Part is fixed in the first mounting groove 9;Further, since the axially extending direction in the axially extending direction of the first mounting groove 9 and ontology 5
It is arranged in angle, therefore, multiple drill strings 6 can be angularly arranged among the first mounting groove 9, so set, making
When with the rotary steering drilling tool 1, it can pass through brill during rotary steering drilling tool 1 is crept into
The angle of inclination of column 6 come realize sawtooth on drill string 6 or spiral helicine raised 15 each face and all angles it is uniform
Stress, and then avoid the damage that double wedge is caused because of one-side stress and the service life that reduces drill bit 3.The drilling well system
System also has the characteristics that prolong the service life due to above-mentioned rotary steering drilling tool 1, being not only simple in structure.
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 the rotary steering drilling tool includes drill collar, drill bit and company
Spindle, the drill bit include ontology and multiple drill strings;The ontology is detachably connected by the connecting shaft and the drill collar;
The ontology is in the form of a column structure, and multiple drill strings are removably mounted on end face of the ontology far from the drill collar.
2. rotary steering drilling tool according to claim 1, is characterized in that, one end of multiple drill strings with described
Body mortise-tenon joint.
3. rotary steering drilling tool according to claim 1, which is characterized in that the ontology has opposite first end
Face and second end face, multiple first mounting grooves are offered on the ontology, and the notch of multiple first mounting grooves is in described
In second end face, one end of multiple drill strings is mounted in multiple first mounting grooves.
4. rotary steering drilling tool according to claim 3, which is characterized in that the ontology have side, described
Multiple second mounting grooves are offered on body, and multiple connecting holes, multiple second peaces are offered on one end of multiple drill strings
The notch of tankage is on the side, and multiple first mounting grooves are connected to multiple second mounting grooves, and described second
Locating piece is installed, one end of the locating piece is injected in the connecting hole in mounting groove.
5. rotary steering drilling tool according to claim 3, which is characterized in that in being provided in first mounting groove
Screw thread is provided with external screw thread on one end of the drill string, and the threaded one end of the drill string is connected in first mounting groove.
6. rotary steering drilling tool according to claim 3, which is characterized in that first mounting groove it is axially extending
Direction is consistent with the axially extending direction of the ontology.
7. rotary steering drilling tool according to claim 3, which is characterized in that first mounting groove it is axially extending
Direction and the axially extending direction of the ontology are arranged in angle.
8. rotary steering drilling tool according to claim 1, which is characterized in that the tapered structure of drill string, it is described
The sawtooth of multiple sequential like is installed on drill string.
9. rotary steering drilling tool according to claim 1, which is characterized in that the drill string includes interconnecting piece and switching
Head, the adapter are socketed on the interconnecting piece, and spiral helicine protrusion is provided on the adapter.
10. a kind of well system, which is characterized in that the well system includes that the rotation of claim 1-9 any one of them is led
To drilling tool.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721873006.5U CN207934810U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool and well system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721873006.5U CN207934810U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool and well system |
Publications (1)
Publication Number | Publication Date |
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CN207934810U true CN207934810U (en) | 2018-10-02 |
Family
ID=63647585
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Application Number | Title | Priority Date | Filing Date |
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CN201721873006.5U Expired - Fee Related CN207934810U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary steering drilling tool and well system |
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CN (1) | CN207934810U (en) |
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2017
- 2017-12-27 CN CN201721873006.5U patent/CN207934810U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201126 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. |
|
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: 20181002 Termination date: 20211227 |