CN106089024A - A kind of torsion rushes motor - Google Patents
A kind of torsion rushes motor Download PDFInfo
- Publication number
- CN106089024A CN106089024A CN201610440437.6A CN201610440437A CN106089024A CN 106089024 A CN106089024 A CN 106089024A CN 201610440437 A CN201610440437 A CN 201610440437A CN 106089024 A CN106089024 A CN 106089024A
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- China
- Prior art keywords
- flow divider
- motor
- rotor
- assembly
- torsion
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 36
- 239000012530 fluid Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of torsion and rush motor, including the by-pass valve assembly being sequentially connected with from left to right, motor assembly, universal drive shaft assembly and driving-shaft assembly, motor assembly includes screw stator and the screw rotor of band centre bore, connect between by-pass valve assembly and motor assembly and have torque pulse generator, torque pulse generator includes muff joint, stator flow divider and rotor flow divider it is provided with in muff joint, in stator flow divider, eccentric setting has top nozzle, stator flow divider is circumferentially provided with axially extending bore, rotor flow divider right-hand member is connected with screw rotor, lower nozzle it is provided with in the centre bore of rotor flow divider, the axis in lower nozzle center hole and the axis of top nozzle centre bore are parallel to each other.The present invention utilizes and produces flowed fluctuation by the drilling fluid of torque pulse generator so that the rotating speed of transmission shaft " suddenly big or suddenly small " in driving-shaft assembly, eliminates PDC drill bit drill string stick slip vibration phenomenon in drilling process, improves drilling speed and extends drilling life of bit.
Description
Technical field
The present invention relates to a kind of drilling well aid, in particular, relate to a kind of torsion and rush motor.
Background technology
At present in oil and gas drilling process, common screw drilling tool is widely used；Common screw bores
The operation principle of tool is that the mud that slush pump pumps out flows through bypass valve entrance motor, and the import and export at motor forms certain pressure
Power is poor, and drive rotor rotates around the axis of stator, and by universal drive shaft and power transmission shaft, rotating speed and moment of torsion are passed to drill bit, thus
Realize helicoid hydraulic motor and fluid pressure can be transferred to the drillng operation of mechanical energy；But in drilling operation course, helicoid hydraulic motor drives
Bit cutting rock stratum needs certain energy, there will be drill bit stick slip vibration phenomenon in this course；Mainly show as creeping into
During, drill bit stops operating and helicoid hydraulic motor continues to reverse under the driving of drilling fluid, is put aside when helicoid hydraulic motor reverses
When energy be enough to broken rock, the drill bit of viscous just slips, in the stage of slippage, and the energy abrupt release of helicoid hydraulic motor savings, bore
Head at the unexpected acceleration or deceleration of both forward and reverse directions, cause bit life to shorten, needed for creep into moment of torsion increase, footage per bit reduce, brill
Enter efficiency to reduce.
In order to solve in common screw drilling tool operation process, the series of problems that drill bit stick slip vibration phenomenon is brought, mesh
Before the measure mainly taked have optimization drilling parameter, use the drilling tool such as hydraulic thruster and torsion impact device；Practice have shown that
Optimize drilling parameter to reducing stick slip vibration phenomenon effect inconspicuous, and optimize drilling parameter will extend duty cycle and
Increase operating cost；The drilling tool structures such as hydraulic thruster and torsion impact device are complicated, and processing and manufacturing is relatively costly, easily goes out
Existing parts Problem of Failure, drilling fluid can produce a level pressure when by drilling tools such as hydraulic thruster and torsion impact devices
Consumption, reduces drilling well work efficiency；Comprehensive above analyze, drilling process is needed a kind of simple in construction, working effect obvious badly
Less drilling tool is lost, to solve the stick slip vibration phenomenon of drill bit in drilling process with to drilling liquid pressure.
Summary of the invention
The invention aims to overcome deficiency of the prior art, it is provided that a kind of torsion rushes motor, utilizes and passes through moment of torsion
The drilling fluid of pulse generator produces flowed fluctuation so that the rotating speed of transmission shaft " suddenly big or suddenly small " in driving-shaft assembly, so may be used
To eliminate PDC drill bit-drill string stick slip vibration phenomenon in drilling process, improve drilling speed, reduce and creep into required torque, improve drill bit work
Make state, extend drilling life of bit, improve the premium properties such as footage per bit.
It is an object of the invention to be achieved through the following technical solutions.
A kind of torsion of the present invention rushes motor, including the by-pass valve assembly being sequentially connected with from left to right, motor assembly, universal drive shaft
Assembly and driving-shaft assembly, described motor assembly includes screw stator and the screw rotor of band centre bore, described by-pass valve assembly
With connection has torque pulse generator, described torque pulse generator to include that muff joint, described sleeve connect between motor assembly
Being provided with stator flow divider and rotor flow divider in Tou the most from left to right, in described stator flow divider, eccentric setting has upper spray
Mouth, described stator flow divider is circumferentially provided with axially extending bore, and described rotor flow divider right-hand member is connected with described screw rotor,
Lower nozzle, the axis in described lower nozzle center hole and the axle of top nozzle centre bore it is provided with in the centre bore of described rotor flow divider
Line is parallel to each other.
Described muff joint left end is provided with the female thread being connected with by-pass valve assembly, and described muff joint right-hand member is arranged
There is the external screw thread being connected with motor assembly.
Described muff joint circumferential direction inside is provided with boss, and described boss is positioned at the right-hand member of rotor flow divider.
Described stator flow divider and muff joint are located by connecting by spline.
Described top nozzle and lower nozzle are made by Hardmetal materials.
Compared with prior art, technical scheme is had the benefit that
(1), in the present invention, torque pulse generator, torque pulse generator between by-pass valve assembly and motor assembly, are connected
The rotor flow divider of lower nozzle it is provided with in having the stator flow divider of top nozzle, centre bore including muff joint, eccentric setting, by
Not coaxial in the centre bore of top nozzle and the centre bore of lower nozzle, rotor flow divider jointly carries out planetary motion with screw rotor,
Cause top nozzle centre bore and lower nozzle center hole appearance Guan Bi and unlatching phenomenon so that drive the drilling fluid that screw rotor rotates
Flow changes, and the moment of torsion of screw rod output will produce gentleness impact, utilize and be produced by the drilling fluid of torque pulse generator
Flowed fluctuation so that the rotating speed of transmission shaft " suddenly big or suddenly small " in driving-shaft assembly, so can eliminate PDC in drilling process and bore
Head-drill string stick slip vibration phenomenon, improves drilling speed, reduces and creeps into required torque, improves bit operation state, extends drill bit and uses the longevity
Life, improves the premium properties such as footage per bit；
(2) in the present invention, muff joint circumferential direction inside is provided with boss, and boss is positioned at the right-hand member turned from flow divider,
When motor assembly partially due to abnormal cause, when housing fracture occur or thread off, rotor flow divider can fall down, and can be stuck in
In joint, it is achieved anti-lost function；
(3) in the present invention, top nozzle and the material selection hard alloy of lower nozzle, it is possible to solve both the most mutually
Abrasion；
(4) present configuration is simple, and processing and manufacturing cost is relatively low, less to drilling liquid pressure loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the close-up schematic view of I part in Fig. 1；
Fig. 3 is A-A sectional view in Fig. 2；
Fig. 4 is B-B sectional view in Fig. 2；
Fig. 5 is top nozzle centre bore and lower nozzle center hole Guan Bi in the present invention, opens schematic diagram.
Reference: 1 by-pass valve assembly；2 torque pulse generators；3 motor assemblies；4 universal drive shaft assemblies；5 power transmission shafts are total
Become；21 muff joints；22 top nozzles；23 stator flow dividers；24 rotor flow dividers；25 times nozzles；31 screw stators；32 screw rods turn
Son；51 lower contacts.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of torsion of the present invention rushes motor, including the by-pass valve assembly being sequentially connected with from left to right
1, motor assembly 3, universal drive shaft assembly 4 and driving-shaft assembly 5, described by-pass valve assembly 1, motor assembly 3, universal drive shaft assembly 4 and
Driving-shaft assembly 5 is similar with common screw drilling tool structure principle, and described motor assembly 3 includes screw stator 31, and described screw rod is fixed
The screw rotor 32 of band axial center hole it is provided with in son 31.Described driving-shaft assembly 5 includes lower contact 51, is used for connecting brill
Head.
Connecting between described by-pass valve assembly 1 and motor assembly 3 and have torque pulse generator 2, described torque pulse occurs
Device 2 includes that muff joint 21, described muff joint 21 left end are provided with the female thread being connected with by-pass valve assembly 1, described set
Cylinder joint 21 right-hand member is provided with the external screw thread being connected with motor assembly 3.Set the most from left to right in described muff joint 21
It is equipped with stator flow divider 23 and rotor flow divider 24, described stator flow divider 23 and muff joint 21 to be positioned even by spline mode
Connecing, described spline circumferentially may be configured as three or four, and in described stator flow divider 23, eccentric setting has top nozzle vertically
22, described top nozzle 22 can be fixed in the eccentric orfice of stator flow divider 23 by hot charging mode, namely top nozzle 22
The central shaft of central shaft and stator flow divider 23 is parallel to each other but the most overlapping, it addition, described stator flow divider 23 is circumferentially arranged
Having axially extending bore, described axially extending bore to may be configured as four, the radial width in the cross section of each axially extending bore can be different.Described turn
Sub-flow divider 24 right-hand member can be connected by screw thread with described screw rotor 32, arranges in the centre bore of described rotor flow divider 24
There are lower nozzle 25, described lower nozzle 25 can be fixed in the centre bore of rotor flow divider 24 by hot charging mode.Described top nozzle
22 and lower nozzle 25 made by Hardmetal materials, it is possible to solve both for a long time mutually abrasions.In described top nozzle 22
The axis of central hole and the axis of lower nozzle 25 centre bore are parallel to each other but the most overlapping, and rotor flow divider 24 is common with screw rotor 32
Carry out planetary motion, cause top nozzle 22 centre bore and lower nozzle 25 centre bore Guan Bi occurs and opens phenomenon.Described rotor divides
Stream valve 24 substitutes the anti-lost nut in common screw drilling tool, and described muff joint 21 circumferential direction inside is provided with boss, described convex
Platform is positioned at the right-hand member of rotor flow divider 24, when motor assembly 3 partially due to abnormal cause, occurs when housing ruptures or threads off,
Rotor flow divider 24 can fall down, and can be stuck in casing joint 21, it is achieved anti-lost function.
In drilling operation course, described rotor flow divider 24 carries out planet with screw rotor 32 in screw stator 31 jointly
Motion, causes top nozzle 22 centre bore and lower nozzle 25 centre bore Guan Bi occur and open phenomenon, as shown in Figure 5.Work as top nozzle
When 22 centre bores close with lower nozzle 25 centre bore, drilling fluid all flows through screw motor power cavity, drives screw rotor 32 turns
Dynamic, when top nozzle 22 centre bore is opened with lower nozzle 25 centre bore, some drilling fluid flows into screw rotor 32 centre bore,
And flow out at screw rotor 32 end, thus causing the mud flow rate driving screw rotor 32 to rotate to change, screw rod is defeated
The moment of torsion gone out will produce gentleness impact, then be delivered torque to drill bit by universal drive shaft assembly 4 and driving-shaft assembly 5, it is achieved eliminates
PDC drill bit-drill string stick slip vibration phenomenon.
Although function and the work process of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in
Above-mentioned concrete function and work process, above-mentioned detailed description of the invention is only schematic rather than restrictive, ability
The those of ordinary skill in territory is under the enlightenment of the present invention, without departing from present inventive concept and scope of the claimed protection situation
Under, it is also possible to make a lot of form, within these belong to the protection of the present invention.
Claims (5)
1. a motor is rushed in torsion, including the by-pass valve assembly being sequentially connected with from left to right, motor assembly, universal drive shaft assembly and transmission
Axle assembly, described motor assembly includes screw stator and the screw rotor of band centre bore, it is characterised in that described by-pass valve assembly
With connection has torque pulse generator, described torque pulse generator to include that muff joint, described sleeve connect between motor assembly
Being provided with stator flow divider and rotor flow divider in Tou the most from left to right, in described stator flow divider, eccentric setting has upper spray
Mouth, described stator flow divider is circumferentially provided with axially extending bore, and described rotor flow divider right-hand member is connected with described screw rotor,
Lower nozzle, the axis in described lower nozzle center hole and the axle of top nozzle centre bore it is provided with in the centre bore of described rotor flow divider
Line is parallel to each other.
A kind of torsion the most according to claim 1 rushes motor, it is characterised in that described muff joint left end is provided with and bypasses
The female thread that valve assembly is connected, described muff joint right-hand member is provided with the external screw thread being connected with motor assembly.
A kind of torsion the most according to claim 1 rushes motor, it is characterised in that described muff joint circumferential direction inside is provided with
Boss, described boss is positioned at the right-hand member of rotor flow divider.
A kind of torsion the most according to claim 1 rushes motor, it is characterised in that described stator flow divider and muff joint are passed through
Spline is located by connecting.
A kind of torsion the most according to claim 1 rushes motor, it is characterised in that described top nozzle and lower nozzle are closed by hard
Gold copper-base alloy is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440437.6A CN106089024A (en) | 2016-06-17 | 2016-06-17 | A kind of torsion rushes motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440437.6A CN106089024A (en) | 2016-06-17 | 2016-06-17 | A kind of torsion rushes motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089024A true CN106089024A (en) | 2016-11-09 |
Family
ID=57237074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610440437.6A Pending CN106089024A (en) | 2016-06-17 | 2016-06-17 | A kind of torsion rushes motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089024A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060638A (en) * | 2017-04-14 | 2017-08-18 | 奥瑞拓能源科技股份有限公司 | Change the power set of drill bit movement |
| CN110761777A (en) * | 2019-11-04 | 2020-02-07 | 中国海洋石油集团有限公司 | Pulse generator for well logging |
| CN112482986A (en) * | 2020-12-28 | 2021-03-12 | 西南石油大学 | Hydraulic lifting tool in pit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811126A (en) * | 2005-01-28 | 2006-08-02 | 安德格治有限公司 | Agitator |
| CN204457418U (en) * | 2015-01-31 | 2015-07-08 | 中石化石油工程技术服务有限公司 | Transient state low pressure cavitation corrosion pulsing jet drill motor |
| CN205154007U (en) * | 2015-03-25 | 2016-04-13 | 东方宝麟科技发展(北京)有限公司 | Screw drilling tool |
| CN205297335U (en) * | 2015-12-21 | 2016-06-08 | 中国石油天然气股份有限公司 | Waterpower oscillator |
-
2016
- 2016-06-17 CN CN201610440437.6A patent/CN106089024A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811126A (en) * | 2005-01-28 | 2006-08-02 | 安德格治有限公司 | Agitator |
| CN204457418U (en) * | 2015-01-31 | 2015-07-08 | 中石化石油工程技术服务有限公司 | Transient state low pressure cavitation corrosion pulsing jet drill motor |
| CN205154007U (en) * | 2015-03-25 | 2016-04-13 | 东方宝麟科技发展(北京)有限公司 | Screw drilling tool |
| CN205297335U (en) * | 2015-12-21 | 2016-06-08 | 中国石油天然气股份有限公司 | Waterpower oscillator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060638A (en) * | 2017-04-14 | 2017-08-18 | 奥瑞拓能源科技股份有限公司 | Change the power set of drill bit movement |
| CN107060638B (en) * | 2017-04-14 | 2023-09-26 | 奥瑞拓能源科技股份有限公司 | Power device for changing drill bit movement |
| CN110761777A (en) * | 2019-11-04 | 2020-02-07 | 中国海洋石油集团有限公司 | Pulse generator for well logging |
| CN110761777B (en) * | 2019-11-04 | 2022-08-02 | 中国海洋石油集团有限公司 | Pulse generator for well logging |
| CN112482986A (en) * | 2020-12-28 | 2021-03-12 | 西南石油大学 | Hydraulic lifting tool in pit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |