CN107816322A - The inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and method - Google Patents
The inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and method Download PDFInfo
- Publication number
- CN107816322A CN107816322A CN201610821747.2A CN201610821747A CN107816322A CN 107816322 A CN107816322 A CN 107816322A CN 201610821747 A CN201610821747 A CN 201610821747A CN 107816322 A CN107816322 A CN 107816322A
- Authority
- CN
- China
- Prior art keywords
- row
- cutting tooth
- interior
- travelling gear
- drill bit
- Prior art date
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
Abstract
The present invention relates to cutting tooth linkage and method is arranged inside and outside ONYX360 ° of rotation PDC drill bit, mainly including interior row's cutting tooth, outer row's cutting tooth, power transmission shaft, travelling gear and interior grooves.It is intended to by connecting interior row's cutting tooth and outer row's cutting tooth in the increased travelling gear of drill bit internal, row's cutting tooth rotates outside during drilling well, travelling gear gives the energy transmission of outer row's cutting tooth to interior row's cutting tooth, the transmission of row's cutting tooth in driving, the gearing of row's cutting tooth and outer row's cutting tooth in realizing, original static interior row's cutting tooth is transformed into rotary state by inactive state, the service life of row's cutting tooth in improving, reach the effect for improving footage per bit and drilling life of bit, realize the purpose for improving bit speed and reducing drilling cost.
Description
Technical field
The present invention relates to petroleum gas PDC drill bit technical field, and in particular in a kind of ONYX360 ° of rotation PDC drill bit
Outer row's cutting tooth linkage and method.
Background technology
In oil and gas well drilling operation, formation rock is ground by drill bit to be drilled to the interface channel of oil gas, the passage
It is referred to as well, the connection on ground and underground oil and gas resource is realized by well, so as to which underground oil and gas resource is produced into ground.Its
In, drill bit is the instrument that direct fractured rock forms well, and the performance of drill bit can directly affect bit speed.Drill bit is by structure point
For drag bit, rock bit, diamond bit and the major class of core bit four.Wherein, polycrystalline diamond compact bit
(Polycrystalline Diamond Compact Bits) is called PDC drill bit for short, is one kind of diamond bit, passes through
The cutting tooth that PDC drill bit surface is fixed carrys out fractured rock, and the main component of cutting tooth is composite polycrystal-diamond, because its is special
Constituent, fractured rock efficiency is higher, and therefore, PDC drill bit has outstanding performance and advantage, and at present, PDC drill bit is in the world
Drill footage ratio in oil/gas drilling market reaches 90% or so of drilling well total footage.
At present, with the reduction of petroleum resources, the environment of drilling well constantly deteriorates and drilling depth is constantly deepened, with drilling well
The intensification of depth, the rock strength and abrasiveness of underground are consequently increased, in drilling process, the cutting odontotripsis journey of PDC drill bit
Degree is more serious, and the efficiency of fractured rock declines obvious, PDC drill bit usage time reduction, so as to reduce rate of penetration, increase
Drilling cost.With the increase of drilling depth and the deterioration of drilling environment, higher requirement is proposed to drill bit, especially to making
The great PDC drill bit of dosage proposes higher requirement.
Smith's drill bit company (Smith Bits) is the display drivers of Schlumberger of international oil gas service provider, closely
Phase develops ONYX 360 and rotates PDC cutting tooths, is one kind of PDC drill bit, is characterized in fix original PDC drill bit surface
Cutting tooth changes into rotatable cutting tooth, and this changes the service life for improving drill bit.It is because original in drilling process
The cutting tooth of PDC drill bit is fixed, and an only cutting tooth part contacts with formation rock, and abrasion is more serious.360 ° of rotations of ONYX
The characteristics of turning PDC drill bit is cutting tooth rotatable rotation while fractured rock on its surface, the change cause cutting tooth with
The part of formation rock contact is all surfaces around cutting tooth, then greatly reduces the cutting tooth degree of wear.The drill bit
The cutting tooth of surface design has outer row's cutting tooth and interior row's cutting tooth, and the anticipation of design is, in drilling process, inside and outside row cuts
Cut when tooth contacts with formation rock and all rotated with the rotation of drill bit, however, in drilling well actual application, outer row's cutting
Tooth can rotate, and interior row's cutting tooth does not rotate because inside and outside cutting tooth can all contact with formation rock, outer row's cutting tooth away from
The distance of bit central is big, and linear velocity is larger, and outer row's cutting tooth can rotate, and interior row's cutting tooth is nearer away from bit central position,
Linear velocity is smaller, it is impossible to rotates so that interior row's cutter-wear rate is larger so that the service life of drill bit reduces.Same drop
Low bit speed.
Analyzed based on more than, the present invention devises the inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and side
Method, it is intended to original static interior row's cutting tooth is transformed into by inactive state by rotary state by the device, improves interior row's cutting
The service life of tooth, reach the effect for improving footage per bit and drilling life of bit, realize and improve bit speed and reduction drilling well
The purpose of cost.Wherein during bit cutting stratum, outer row's cutting tooth around drill bit while revolving round the sun around transmission
Axle rotates, and the present apparatus cuts between cog in inside and outside row and with the addition of 4 class travelling gears, is respectively outer row's travelling gear, outer row's center tooth
Wheel, interior row's travelling gear, interior row's idler gear.Outer row's cutting tooth is connected by power transmission shaft with outer row's travelling gear, outer row's transmission
Gear is connected by outer row's idler gear with interior row's travelling gear, interior row's travelling gear and interior row's cutting tooth and interior row's idler gear
Connect simultaneously, interior row's idler gear is connected with row's travelling gear in another, and interior row's travelling gear connection in another again with arranging
Cutting tooth connects, circulation inner ring one week, so as to realize the gearing of inside and outside row's cutting tooth.
The content of the invention
It is an object of the invention to provide a kind of linkage and side for row's cutting tooth inside and outside ONYX360 ° of rotation PDC drill bit
Method, so that interior row's cutting tooth realizes effective rotation during stratum is cut, the service life of interior row's cutting tooth is improved, is reached
To the effect for improving footage per bit and drilling life of bit, realize and improve bit speed and reduction drilling cost.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit is with method mainly by outer row's cutting tooth, biography
Moving axis, outer row's travelling gear, outer row's idler gear, interior row's travelling gear, interior row's idler gear, interior row's cutting tooth, groove composition；
Outer row's cutting tooth is connected by power transmission shaft with outer row's travelling gear, and outer row's travelling gear is driven by outer row's idler gear and interior row
Gear connects, and interior row's travelling gear is connected simultaneously with interior row's cutting tooth and interior row's idler gear, interior row's idler gear and another
Interior row's travelling gear connection, interior row's travelling gear connection are connected with row's cutting tooth in another again, circulate inner ring always one week, from
And realize the gearing of inside and outside row's cutting tooth.
Wherein power transmission shaft is respectively positioned in the groove in drill bit with used gear, and the groove is located at the inside of drill bit, from
And the abrasion of power transmission shaft and gear can be effectively prevented, to ensure the lasting rotation of power transmission shaft and gear in drilling process.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of outer rows of teeth linkage in ONYX360 ° of rotation PDC drill bit；
Accompanying drawing 2 is the schematic diagram of interior outer rows of teeth and transmission axis connection in ONYX360 ° of rotation PDC drill bit；
Label in figure：Row's cutting tooth in 1, row's travelling gears in 2, row's idler gears in 3, row's idler gear outside 4, arrange outside 5
Cutting tooth, 6 arrange travelling gear, 7 power transmission shafts outside
Embodiment
Below in conjunction with accompanying drawing, illustrate embodiment, structure, feature and its effect proposed by the present invention, describe in detail
It is as follows：
Outer rows of teeth linkage and method in a kind of ONYX360 ° of rotation PDC drill bit, mainly by outer row's cutting tooth, transmission
Axle, outer row's travelling gear, outer row's idler gear, interior row's travelling gear, interior row's idler gear, interior row's cutting tooth, groove composition；Outside
Row's cutting tooth 5 is connected by power transmission shaft 7 with outer row's travelling gear 6, and outer row's travelling gear 6 is by outer row's idler gear 4 and interior row
Travelling gear 2 connects, and arranges cutting tooth 1 in interior row's travelling gear 2 and two, interior row's travelling gear 2 simultaneously with interior row's idler gear 3
Connection, interior row's idler gear 3 are connected with row's travelling gear 2 in another, and interior row's travelling gear 2 connects to be cut with row in another again
Cut tooth 1 to connect, circulate inner ring always one week, so as to realize the gearing of inside and outside row's cutting tooth.
Wherein power transmission shaft 7 and outer row's travelling gear 6, outer row's idler gear 4, interior row's travelling gear 2, interior row's idler gear 3
It is respectively positioned in the groove being pre-designed, effectively prevent power transmission shaft 7 and passed with outer row's travelling gear 6, outer row's idler gear 4, interior row
The abrasion of moving gear 2, interior row's idler gear 3.
Claims (1)
- The inside and outside row's cutting tooth linkage of 1.ONYX360 ° of rotation PDC drill bit and method, it is characterised in that：By outer row's cutting tooth, Power transmission shaft, outer row's travelling gear, outer row's idler gear, interior row's travelling gear, interior row's idler gear, interior row's cutting tooth, groove group Into；The gear is respectively positioned in the groove of drill bit internal；Its China and foreign countries row's cutting tooth is connected by power transmission shaft with outer row's travelling gear, Outer row's travelling gear is connected by outer row's idler gear with interior row's travelling gear, interior row's travelling gear and interior row's cutting tooth and interior row Idler gear is connected simultaneously, and interior row's idler gear be connected with row's travelling gear in another, interior row's travelling gear connect again with separately Cutting tooth connection is arranged in one, circulates inner ring always one week, so as to realize the gearing of inside and outside row's cutting tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821747.2A CN107816322A (en) | 2016-09-14 | 2016-09-14 | The inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821747.2A CN107816322A (en) | 2016-09-14 | 2016-09-14 | The inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107816322A true CN107816322A (en) | 2018-03-20 |
Family
ID=61600622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821747.2A Pending CN107816322A (en) | 2016-09-14 | 2016-09-14 | The inside and outside row's cutting tooth linkage of ONYX360 ° of rotation PDC drill bit and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107816322A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100064832A1 (en) * | 2008-09-15 | 2010-03-18 | Harrier Technologies, Inc. | Helical gear sets |
| CN205172442U (en) * | 2015-12-04 | 2016-04-20 | 陈海勇 | Oil well drill bit |
| CN205477377U (en) * | 2016-01-11 | 2016-08-17 | 四川川石金刚石钻头有限公司 | Rotatable PDC drill bit |
| CN206035387U (en) * | 2016-09-14 | 2017-03-22 | 中国石油集团钻井工程技术研究院 | Inside and outside cutting teeth linkage of arranging of rotatory PDC drill bit of ONYX360 |
-
2016
- 2016-09-14 CN CN201610821747.2A patent/CN107816322A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100064832A1 (en) * | 2008-09-15 | 2010-03-18 | Harrier Technologies, Inc. | Helical gear sets |
| CN205172442U (en) * | 2015-12-04 | 2016-04-20 | 陈海勇 | Oil well drill bit |
| CN205477377U (en) * | 2016-01-11 | 2016-08-17 | 四川川石金刚石钻头有限公司 | Rotatable PDC drill bit |
| CN206035387U (en) * | 2016-09-14 | 2017-03-22 | 中国石油集团钻井工程技术研究院 | Inside and outside cutting teeth linkage of arranging of rotatory PDC drill bit of ONYX360 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180320 |
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| WD01 | Invention patent application deemed withdrawn after publication |