CN103670280B - Sliding-vane motor drive-type underground pressurizing device and method - Google Patents
Sliding-vane motor drive-type underground pressurizing device and method Download PDFInfo
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- CN103670280B CN103670280B CN201310618541.6A CN201310618541A CN103670280B CN 103670280 B CN103670280 B CN 103670280B CN 201310618541 A CN201310618541 A CN 201310618541A CN 103670280 B CN103670280 B CN 103670280B
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Abstract
The present invention provides a kind of sliding-vane motor drive-type underground pressurizing device that can generate superhigh pressure water jet, is suitable for deep-well, ultra-deep well drilling raises speed.The supercharging device includes five parts such as shell, dividing cell, power assembly, drive assembly, supercharging assembly, is a kind of dedicated downhole pressure increasing tool of superhigh pressure water jet drilling well.The device upper end connects drill collar or power drilling tool, lower end directly connect with drill bit.Drilling fluid symmetrically flows into sliding-vane motor assembly through shunting body when normal drilling, blade generates torque under the action of drilling fluid pressure difference and is rotated with dynamic crankshaft, the generation of the plunger of connecting rod and plunger pump is set to pump, partial high pressure drilling fluid is risen into super-pressure, super high pressure fluid forms superhigh pressure water jet by super-pressure nozzle on drill bit, shaft bottom fractured rock is reached, achievees the purpose that improve well drilling and rock crushing efficiency.The present invention devises a pair of of symmetrical blading motor and provides continuous power for plunger pump, enables superhigh pressure water jet continuous action in shaft bottom.
Description
Technical field
The invention patent relates to a kind of deep-well superhigh pressure water jet drilling well wells for Oil and Natural Gas Engineering drilling applications
Lower supercharging device, it is especially a kind of to drive crankshaft connecting rod system to provide continuous round-trip power for plunger pump by vane type motor
Underground pressurizing device, the present invention is especially suitable for deep-well, ultra-deep well drilling fields.
Background technology
With the exploration and development of deep formation oil-gas resource, complex geologic conditions, rate of penetration be low and drilling well
It is of high cost to become deep-well, ultra-deep well drilling notable feature.Superhigh pressure water jet drilling well is to assist mechanical drilling well most using hydraulic energy
One of effective method.Superhigh pressure water jet drilling well is to increase to super-pressure by supercharging device drilling liquid pressure, passes through drill bit superelevation
Nozzle jet impact bottom rock is pressed, clear rock and auxiliary rock efficiency are improved, is a drilling well new technology for improving rate of penetration.
The underground pressurizing device having been devised by present include quiet formula supercharging device, cellular-type underground pressurizing device, jet supercharger,
Downhole centrifugal supercharging device, damping supercharging device, screw rod underground pressurizing device etc., these device majorities cannot be guaranteed to have continuous
Power source is persistently pressurized for drilling fluid and provides power, and internal element vibratory impulse and abrasion are larger, therefore influences tool in well
Under the operation service life.
Based on the above analysis, a kind of symmetric double sliding-vane motor drive-type underground pressurizing device of Patent design of the present invention, purport
Underground fraction drilling fluid is being pressurized into super high pressure fluid by this device, super-pressure is generated by the high pressure nozzle on drill bit
Jet stream improves the clear rock and efficiency of breaking rock in shaft bottom, and then improves rate of penetration.
Invention content
The purpose of the present invention is provide a kind of reliable underground super-pressure for petroleum gas superhigh pressure water jet drilling applications
Jet flow pressurizing speed enhancing apparatus.The present invention provides continuous power source by the sliding-vane motor specially designed for plunger pump supercharging, reduces
Dependence to external environment reduces the impact wear of device inner body, extends the operation service life of device.The device generates super
High-pressure fluid send to drill bit high pressure nozzle by high pressure line and forms superelevation jet impulse bottom rock auxiliary rock, improves machinery
Drilling speed.
Technical solution is used by patent of the present invention solves its technical problem：Whole device be divided into shell, dividing cell,
5 parts such as power assembly, drive assembly, supercharging assembly.Enclosure interior is in the form of a column cavity, and intracavitary is designed with various sizes of step
And support, convenient for the installation of the positioning parts such as shunting body, motor, plunger pump；Shell upper end is drilling fluid entrance, with drill collar or power
Drilling tool is connected；Lower end is drilling fluid outlet, is connected with drill bit.Enclosure interior cavity is particularly fitted with from top to bottom：Shunting
Body, two symmetrically placed hemispherical sliding-vane motors, toggle, plunger pumps.The dividing cell of the device is one point
Drilling fluid from drill collar or power drilling tool is divided into three parts by fluid, the shunting body, and wherein two parts drilling fluid is flow to respectively
The symmetrical high entrance of sliding-vane motor, Part III drilling fluid flow to plunger through runner individually designed on motor stator and are pumped into
Mouthful.
Power assembly is two symmetrical blading motors of immediately shunting body, and motor foundation underground limitations are compact to be set
Meter, stator Internal periphery shape are hemispherical.It is opened on motor stator there are two high pressure chest and two low pressure chambers, the height from shunting body
Pressure drilling fluid generates pressure difference when flowing to low-pressure chamber from high-pressure chamber, blade generates torque and band under the action of drilling fluid pressure difference
Turn rotates, and rotor banding dynamic crankshaft high speed rotation makes connecting rod generation pump.Bullet is installed between blade and rotor slot
Spring is pressed by spring completely when blade goes to blade at diameter of stator bore minimum, is pushed away when blade goes to diameter of stator bore maximum spring
Blade edge is to stator inner wall.Motor rotor installs sliding bearing close to the side of shell wall side, is installed close to one end of bent axle
Sealed rolling bearing.Power transmission assembly is made of crankshaft connecting rod system, the both ends of bent axle respectively with two sliding-vane motor rotors
Connection, with the rotary motion of sliding-vane motor, crankshaft connecting rod system imparts power to plunger, and realizes rotary motion to plunger
The conversion to pump.Being pressurized assembly is made of plunger pump, and plunger pump is located at the lowermost end of device, is mounted on shell
On, the drilling fluid of arrival end is directly from shunting body, and the super-pressure drilling fluid of outlet end is by high pressure line through drill bit high pressure spray
Mouth forms superhigh pressure water jet and acts on shaft bottom fractured rock.
Patent of the present invention has used for reference ripe sliding-vane motor technology and plunger supercharging technology.Designed twayblade motor knot
Structure is simple, abrasion is low, and bilobed wheel can more make full use of hydraulic energy to be pressurized the power for providing continuous-stable for plunger pump.The increasing
Pressure device is small, and internal structure is simple, small to subsurface environment dependence, can be used for the exploitations such as straight well, directional well and horizontal well.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.
Fig. 1 is the device assembling schematic diagram of patent of the present invention；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is partial cross-sectional view at B-B in Fig. 2；
Fig. 4 is the device shell structure schematic diagram of patent of the present invention；
Fig. 5 is the device shunting body structural schematic diagram of patent of the present invention；
Fig. 6 is the blading motor stator structure schematic diagram of patent of the present invention；
Fig. 7 is the blading motor gland structure schematic diagram of patent of the present invention；
Fig. 8 is the blading motor blade construction schematic diagram of patent of the present invention；
Fig. 9 is the blading motor rotor Motor rotor structure schematic diagram of patent of the present invention；
Figure 10 is the device crankshaft structure schematic diagram of patent of the present invention；
Figure 11 is the device plunges pump body structural schematic diagram of patent of the present invention；
Drawing reference numeral explanation
1. device case, 2. shunting bodies, 3. motor glands, 4. motor fluid entrance, 5. blade, 6. springs, 7. rotors, 8.
Bent axle, 9. pipeline, 10. check valve, 11. gaskets, 12. through-hole bolts, 13. gland bolt, 14. connecting rod and fixing bolt, 15. axis
It holds and seals, 16. bearing shell, 17. high and low pressure chamber, the outlet of 18. motor fluids, 19. universal shafts, 20. plunges pump bodies.
L1. low pressure chamber, L2. low pressure chambers, H1. high pressure chests, H2. high pressure chests
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
Bright specific implementation mode.
In Fig. 1, sliding-vane motor drive-type underground pressurizing device shell (1) upper end is drilling fluid entrance, with drill collar or dynamic
Power drilling tool is connected.Shunting body (5) is mounted in shell (1) interior step of the nearly arrival end of device, and there are three holes thereon, wherein
Symmetrical holes is connect with symmetrical a pair of of sliding-vane motor fluid high-pressure entrance (4), another aperture is by pipeline (9) and unidirectionally
Valve (10) connects, and entrance fluid is provided for plunger pump (20).Power source twayblade motor is located at shunting body (5) lower end, is mounted on
On enclosure interior step, installation gasket (11) seals between motor and shunting body.Sliding-vane motor is mainly by motor pressure
Cover (3), motor fluid high pressure entry (4), blade (5), bearing and sealing (15), bearing shell (16), high pressure pressure chamber (17), motor
The compositions such as fluid outlet (18).Drilling fluid is shunted through shunting body (5), and wherein most drilling fluid passes through motor fluid high pressure entry
(4) flow into symmetrical sliding-vane motor, had inside motor stator two high-pressure chamber (H1, H2) and Liang Ge low-pressure chamber (L1,
L2), since the effect of high-low pressure chamber forms pressure difference, blade (5) generates torque under differential pressure action and rotor (7) is driven to revolve
Turn.Since rotor (7) is linked together with bent axle (8) by spline, rotor banding dynamic crankshaft (8) high speed rotation, bent axle (8) drives
Connecting rod (14) generation pumps, and continuously power is provided for plunger pump (20), in connecting rod (14) and plunger pump
(20) universal coupling (19) is installed between plunger, ensure that plunger moves between two parties.When plunger moves upwards, check valve
(10) it opens, the drilling fluid of shunting is input in the cylinder sleeve of plunger pump, be plunger pump (20) fluid infusion；When plunger moves downward
When, closed check valve carries out supercharging to drilling fluid in plunger cylinder and forms super-pressure drilling fluid.Plunger pump cylinder body lower end vehicle has spiral shell
Hole, super-pressure pipeline one end are connect with screw hole, and the other end is connect with the super-pressure nozzle on drill bit.Super-pressure drilling well after supercharged
Liquid flow to the high pressure nozzle on drill bit through high pressure line and forms superhigh pressure water jet, is directly used in broken rock, improves drilling efficiency.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification under the premise of not departing from design and the principle of the present invention,
The scope of protection of the invention should be belonged to.
Claims (1)
1. a kind of sliding-vane motor drive-type underground pressurizing device, including：Shell, dividing cell, power assembly, drive assembly, increasing
Press assembly；Shell upper end is drilling fluid entrance, lower end is drilling fluid outlet, shell upper end is connected with drill collar or power drilling tool,
Lower end is connected with drill bit；Enclosure interior is cylindrical cavity, and different step and supporter, enclosure interior are equipped in cylindrical cavity
Dividing cell, power assembly, drive assembly, supercharging assembly are installed successively from top to bottom；It is characterized in that：
Dividing cell is a shunting body, and power assembly is made of two symmetrical sliding-vane motors, and drive assembly is by crankshaft-link rod
Mechanism is constituted, and supercharging assembly is made of plunger pump；
Shunting body is mounted on the enclosure interior step of nearly arrival end, will be from drill collar or power drilling tool thereon there are three hole
Drilling fluid is divided into three parts；Wherein, symmetrical holes is connect with symmetrical a pair of of sliding-vane motor fluid high-pressure entrance, and two parts bore
Well liquid flow to the symmetrical high entrance on power assembly respectively；Another hole is connect by pipeline with check valve, is provided for plunger pump
Entrance fluid, Part III drilling fluid flow to plunger pump intake through runner individually designed on sliding-vane motor stator；Drilling fluid passes through
Shunting body shunts, and most of drilling fluid flows into symmetrical sliding-vane motor by motor fluid high pressure entry；
Power assembly immediately shunting body setting, installation inside housings on step from top to bottom, power assembly and shunting body it
Between installation gasket seal；Sliding-vane motor includes：Motor gland, motor fluid high pressure entry, blade, bearing and sealing,
Bearing shell, high-pressure chamber, motor fluid outlet；Two symmetrical sliding-vane motors are set according to the confined space size and structure of shell
Meter, the Internal periphery of single stator is in hemispherical；High-pressure chamber and Liang Ge low-pressure chamber there are two being driveed on sliding-vane motor stator, come from
The cleaner for high-pressure drilling fluid of shunting body generates pressure difference, effect of the sliding-vane motor in drilling fluid pressure difference when flowing to low-pressure chamber from high-pressure chamber
Lower generation torque simultaneously drives rotor to rotate, and rotor banding dynamic crankshaft high speed rotation makes connecting rod generation pump；Blade and turn
Spring is installed between pilot trench, is compressed spring completely when blade goes to blade at diameter of stator bore minimum, when blade is gone in stator
Diameter maximum spring leaf-pushing plate edge is to stator inner wall；Sliding-vane motor rotor installs sliding bearing close to the side of shell wall side,
Close to one end of bent axle installation sealed rolling bearing and there is sealing system；
The crankshaft two end of crankshaft connecting rod system is connect with two sliding-vane motor rotors by spline respectively, and sliding-vane motor rotor drives bent
Axis high speed rotation, bent axle drive connecting rod generation to pump, continuously power are provided for plunger pump, in connecting rod and column
Universal coupling is installed between the plunger of plug pump, ensures that plunger moves between two parties；When plunger moves upwards, check valve is opened, will
The drilling fluid of shunting is input in the cylinder body of plunger pump, is plunger pump fluid infusion；When plunger moves downward, closed check valve is right
Drilling fluid carries out supercharging and forms super-pressure drilling fluid in plunger cylinder；Crankshaft connecting rod system also according to space structure compact design,
The both ends of bent axle are coaxially connected with two sliding-vane motors respectively, and with the rotary motion of sliding-vane motor, crankshaft connecting rod system is by power
Plunger is passed to, and realizes the conversion that rotary motion pumps to plunger；
Plunger pump main body is sitting on shell, and the drilling fluid of plunger pump arrival end is directly from shunting body, plunger cylinder outlet end bottom
Portion's vehicle has screw hole, and super-pressure pipeline one end is connect with screw hole, the super-pressure nozzle on the other end and drill bit connects；Outlet end surpasses
Cleaner for high-pressure drilling fluid forms superhigh pressure water jet through drill bit high pressure nozzle by high pressure line and carries out clear rock and broken rock to shaft bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618541.6A CN103670280B (en) | 2013-11-29 | 2013-11-29 | Sliding-vane motor drive-type underground pressurizing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618541.6A CN103670280B (en) | 2013-11-29 | 2013-11-29 | Sliding-vane motor drive-type underground pressurizing device and method |
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| Publication Number | Publication Date |
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| CN103670280A CN103670280A (en) | 2014-03-26 |
| CN103670280B true CN103670280B (en) | 2018-07-13 |
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| CN201310618541.6A Active CN103670280B (en) | 2013-11-29 | 2013-11-29 | Sliding-vane motor drive-type underground pressurizing device and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526043B (en) * | 2015-07-02 | 2017-12-29 | 山东东远石油装备有限公司 | A kind of positive displacement line motor |
| CN114991671B (en) * | 2022-08-08 | 2022-11-08 | 奥瑞拓能源科技股份有限公司 | Underground self-pressurization type jet device |
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| US4397619A (en) * | 1979-03-14 | 1983-08-09 | Orszagos Koolaj Es Gazipari Troszt | Hydraulic drilling motor with rotary internally and externally threaded members |
| CN2612792Y (en) * | 2003-04-15 | 2004-04-21 | 天津市景宝科技有限公司 | Down-hole high pressure continuous stream jetting drilling tool |
| CN201232614Y (en) * | 2008-03-17 | 2009-05-06 | 中国石油大学(华东) | Downhole booster pump with double helix groove screw motor |
| CN201265360Y (en) * | 2007-11-01 | 2009-07-01 | 天津市景宝科技有限公司 | High-pressure continuous fluid flow jet drilling tool |
| CN201991749U (en) * | 2010-10-18 | 2011-09-28 | 中国石油大学(华东) | Spiral fork type screw motor underground supercharger |
| CN202056034U (en) * | 2011-03-03 | 2011-11-30 | 中国石油大学(华东) | Helical surface reversing screw rod motor pressure booster |
| CN102536121A (en) * | 2012-02-08 | 2012-07-04 | 中国石油大学(北京) | Pulse type underground pressurization jet flow drilling method and device |
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN203248075U (en) * | 2013-05-24 | 2013-10-23 | 中国石油大学(北京) | Downhole power pressurizing drilling tool |
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2013
- 2013-11-29 CN CN201310618541.6A patent/CN103670280B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4397619A (en) * | 1979-03-14 | 1983-08-09 | Orszagos Koolaj Es Gazipari Troszt | Hydraulic drilling motor with rotary internally and externally threaded members |
| CN2612792Y (en) * | 2003-04-15 | 2004-04-21 | 天津市景宝科技有限公司 | Down-hole high pressure continuous stream jetting drilling tool |
| CN201265360Y (en) * | 2007-11-01 | 2009-07-01 | 天津市景宝科技有限公司 | High-pressure continuous fluid flow jet drilling tool |
| CN201232614Y (en) * | 2008-03-17 | 2009-05-06 | 中国石油大学(华东) | Downhole booster pump with double helix groove screw motor |
| CN201991749U (en) * | 2010-10-18 | 2011-09-28 | 中国石油大学(华东) | Spiral fork type screw motor underground supercharger |
| CN202056034U (en) * | 2011-03-03 | 2011-11-30 | 中国石油大学(华东) | Helical surface reversing screw rod motor pressure booster |
| CN102536121A (en) * | 2012-02-08 | 2012-07-04 | 中国石油大学(北京) | Pulse type underground pressurization jet flow drilling method and device |
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN203248075U (en) * | 2013-05-24 | 2013-10-23 | 中国石油大学(北京) | Downhole power pressurizing drilling tool |
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| CN103670280A (en) | 2014-03-26 |
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