CN105257283A - Rotary mud continuous wave generator - Google Patents
Rotary mud continuous wave generator Download PDFInfo
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- CN105257283A CN105257283A CN201510700263.8A CN201510700263A CN105257283A CN 105257283 A CN105257283 A CN 105257283A CN 201510700263 A CN201510700263 A CN 201510700263A CN 105257283 A CN105257283 A CN 105257283A
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Abstract
The invention relates to the technical field of mud generators, in particular to a rotary mud continuous wave generator. The rotary mud continuous wave generator comprises a sealing outer protective cylinder, a shaft seat, rib plates, a flow limiting plate mounting cylinder, a flow limiting plate, mud flow limiting holes, a rotary shaft, a rotary wheel, a blocking connector and an execution drive mechanism, wherein the shaft seat is fixedly mounted at the upper end of the sealing outer protective cylinder, and the flow limiting plate mounting cylinder is fixedly mounted outside the upper end of the shaft seat through rip plates peripherally distributed. The rotary mud continuous wave generator has the advantages that the rotary mud continuous wave generator is reasonable and compact in structure and convenient to use; a control circuit receives electric control signals output by a downhole sensor and drives a motor, the motor outputs power to drive the rotary wheel through the rotation of the rotary shaft, the mud flow sectional area of the mud flow limiting holes can be changed by the damping vanes of the rotary wheel, so that continuous waves are generated in a drill stem, and high transmission rate is achieved; when the rotary mud continuous wave generator enters a well, the execution drive mechanism rotates the damping vanes to increase the flow area of the mud flow limiting holes, good adaptability is achieved, and blocking is prevented.
Description
Technical field
the present invention relates to mud generator technical field, is a kind of rotary slurry continuous-wave generator.
Background technology
in Process of Oil Well Drilling, in order to engineering and geologic parameter in drilling process can be understood in time, usually all mud pulse generator can be adopted; Conventional mud pulse generator obtains down-hole information by electromagnetic valve mechanism, mushroom head is driven to move up and down at restrictor ring by electromagnetic valve mechanism again, by controlling the annular space sectional area between mushroom head and restrictor ring, thus the mud pressure changing flowing in drilling rod sends mud pressure fluctuation; Present lower linear due to mushroom head to move, the fluctuation of the mud pressure of output is duration of being interrupted extremely short pulse mode output pulsation, and transmission speed is slow; In addition, the area of passage between mushroom head and restrictor ring is little, affects larger by mud density; At mud density in too high or mud containing loss circulation material, easily block.
Summary of the invention
the invention provides a kind of rotary slurry continuous-wave generator, overcome the deficiency of above-mentioned prior art, its transmission speed that effectively can solve conventional mud pulse generator is slow, and the problem of blocking easily occurs.
technical scheme of the present invention is realized by following measures: a kind of rotary slurry continuous-wave generator, comprises the outer casing of sealing, axle bed, gusset, current limiting plate mounting cylinder, current limiting plate, mud metering hole, axis of rotation, runner, shutoff joint and performs driving mechanism; Be installed with axle bed in the upper end of the outer casing of sealing, outside the upper end of axle bed, be installed with current limiting plate mounting cylinder by the gusset of circle distribution; Be provided with current limiting plate at current limiting plate mounting cylinder internal fixtion, on current limiting plate, circle distribution has at least two mud metering holes; In axle bed, be provided with the axis of rotation that can rotate, the upper end of axis of rotation is installed with runner, and runner is positioned at the current limiting plate mounting cylinder on the downside of current limiting plate, and on runner, circumference is fixed with the damping vane corresponding with mud metering hole; Shutoff joint is fixed with in the bottom of the outer casing of sealing, shutoff joint and the outer casing of sealing, axle bed, form seal chamber between axis of rotation, the command signal of signal processing unit under seal chamber internal fixtion is provided with energy received well the execution driving mechanism driving axis of rotation to rotate; The clutch end and the axis of rotation that perform driving mechanism are fixed together.
here is the further optimization and/or improvements to foregoing invention technical scheme:
above-mentioned execution driving mechanism can comprise motor, reducer and can to give an order the control circuit that signal drived control motor run by received well; Control circuit, motor and reducer is installed with successively from the bottom to top in seal chamber; The executive signal output of control circuit is electrically connected by wire with the power signal input of motor; The power output shaft of motor is connected with the high speed shaft of reducer, and slow-speed shaft and the axis of rotation of reducer are fixed together.
above-mentioned reducer can adopt planetary reducer.
the bottom of above-mentioned axis of rotation can be provided with spacing outer land, and the axis of rotation between bottom spacing outer land upper end and axle bed is provided with axle sleeve and journal bearing from top to bottom successively; The upper end, fixing outer ring of journal bearing withstands on axle sleeve; The temperature of inner ring during rotation lower end of journal bearing is against in spacing outer land.
the slow-speed shaft of above-mentioned reducer can be provided with shaft coupling, shaft coupling and be installed together by magnetic bearing between axis of rotation.
can be provided with installation annular groove in the top of above-mentioned current limiting plate mounting cylinder, current limiting plate is connected in the bottom of installation annular groove by key; The top of installing annular groove is provided with internal thread, and is installed with current limiting plate longitudinally can be fixed spacing salvaging seat by screw thread, and the lower end of salvaging seat is against on current limiting plate; Be fixed with fishing head in the upper end, middle part of salvaging seat, on the salvaging seat of fishing head surrounding, circle distribution has drainage hole.
the upper side and lower side of the outer casing of above-mentioned sealing can be respectively equipped with internal thread, and axle bed is fixedly mounted on the upside of the outer casing of sealing by screw thread; Shutoff joint be fixedly mounted on by screw thread seal outer casing downside in; Seal outer casing and be installed with anti-rotation pin respectively and between axle bed and shutoff joint; Or/and, seal on the upside of outer casing and be installed with sealing ring between axle bed; Seal on the downside of outer casing and between shutoff joint and be installed with sealing ring; Sealing ring together with being longitudinally installed with at least between axle bed with axis of rotation.
reasonable and compact in structure of the present invention, easy to use; Control circuit accept downhole sensor export electric control signal and drive motors, motor power exports, rotated by axis of rotation and drive runner, the mud actual internal area that can change mud metering hole on current limiting plate is rotated by the damping vane of runner, thus continuous wave is produced in drill string, transfer rate is high; When the present invention enters well, can increase the area of passage of mud metering hole by performing driving mechanism damping due to rotation blade, to adapt to use containing in the slurry environment of loss circulation material in the too high or mud of mud density, compliance is good, prevents blocking.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 2 be in accompanying drawing 1 A-A to sectional structure schematic diagram.
accompanying drawing 3 be in accompanying drawing 1 B-B to sectional structure schematic diagram.
accompanying drawing 4 is the plan structure schematic diagram of runner in accompanying drawing 1.
accompanying drawing 5 be in accompanying drawing 1 C-C to sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is the outer casing of sealing, and 2 is axle bed, and 3 is gusset, and 4 is current limiting plate mounting cylinder, 5 is axle sleeve, and 6 is current limiting plate, and 7 is mud metering hole, and 8 is axis of rotation, 9 is runner, and 10 is damping vane, and 11 is shutoff joint, and 12 is seal chamber, 13 is motor, and 14 is reducer, and 15 is spacing outer shroud platform, and 16 is journal bearing, 17 is shaft coupling, and 18 is magnetic bearing, and 19 is anti-rotation pin, and 20 for salvaging seat, 21 is fishing head, and 22 is drainage hole, and 23 is sealing ring.
Detailed description of the invention
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2,3,4, this rotary slurry continuous-wave generator comprises the outer casing 1 of sealing, axle bed 2, gusset 3, current limiting plate mounting cylinder 4, current limiting plate 6, mud metering hole 7, axis of rotation 8, runner 9, shutoff joint 11 and performs driving mechanism; Be installed with axle bed 2 in the upper end of the outer casing 1 of sealing, the gusset 3 by circle distribution outside the upper end of axle bed 2 is installed with current limiting plate mounting cylinder 4; Be provided with current limiting plate 6 at current limiting plate mounting cylinder 4 internal fixtion, on current limiting plate 6, circle distribution has at least two mud metering holes 7; In axle bed 2, be provided with the axis of rotation 8 that can rotate, the upper end of axis of rotation 8 is installed with runner 9, and runner 9 is positioned at the current limiting plate mounting cylinder 4 on the downside of current limiting plate 6, and on runner 9, circumference is fixed with the damping vane 10 corresponding with mud metering hole 7; Shutoff joint 11 is fixed with in the bottom of the outer casing 1 of sealing, shutoff joint 11 and the outer casing 1 of sealing, axle bed 2, form seal chamber 12 between axis of rotation 8, the command signal of signal processing unit under seal chamber 12 internal fixtion is provided with energy received well the execution driving mechanism driving axis of rotation 8 to rotate; The clutch end and the axis of rotation 8 that perform driving mechanism are fixed together.
during use, perform driving mechanism can receive downhole electric control signal and drive axis of rotation 8, axis of rotation 8 rotates and drives runner 9, rotated by the damping vane 10 of runner 9, the mud actual internal area of mud metering hole 7 on current limiting plate 6 can be changed, thus in drill string, produce the mud pressure fluctuation of certain rule; The mud pressure fluctuation that this mode rotated by runner 9 is produced is output pulsation in a continuous manner, and compared to the impulse wave that the duration of being interrupted is extremely short, transfer rate is high; When the present invention enters well, can increase the area of passage of mud metering hole 7 by performing driving mechanism damping due to rotation blade 10, to adapt to use containing in the slurry environment of loss circulation material in the too high or mud of mud density, compliance is good, prevents blocking.
according to actual needs, above-mentioned rotary slurry continuous-wave generator can be made further optimization and/or improvements:
as shown in Figure 1, perform driving mechanism comprise motor 13, reducer 14 and can to give an order the control circuit that signal drived control motor run by received well; Control circuit, motor 13 and reducer 14 is installed with from the bottom to top successively in seal chamber 12; The executive signal output of control circuit is electrically connected by wire with the power signal input of motor 13; The power output shaft of motor 13 is connected with the high speed shaft of reducer 14, and slow-speed shaft and the axis of rotation 8 of reducer 14 are fixed together.
the downhole parameters that downhole sensor records carries out encoding according to specific mode and produces electric control signal and flows to control circuit, and control circuit receives the laggard row relax of signal, processes the fill order that backward motor 13 sends start and stop and rotary speed control; Motor 13 Power output, passes to axis of rotation 8 by reducer 14, thus controls the rotation of runner 9.
as required, reducer 14 adopts planetary reducer.Planetary reducer 14 is existing known device; It is little that it has volume, and transmission efficiency is high, and reduction range is wide, and precision high is practical.
as shown in Figure 1, be provided with spacing outer land 15 in the bottom of axis of rotation 8, the axis of rotation between bottom spacing outer land 15 upper end and axle bed 2 is provided with axle sleeve 5 and journal bearing 16 from top to bottom successively; The upper end, fixing outer ring of journal bearing 16 withstands on axle sleeve 5; The temperature of inner ring during rotation lower end of journal bearing 16 is against in spacing outer land 15.Journal bearing 16 can offset the axial deformation under mud pressure, reducer 14 is played to the effect of protection.
as shown in Figure 1, the slow-speed shaft of reducer 14 is provided with shaft coupling 17, shaft coupling 17 and be installed together by magnetic bearing 18 between axis of rotation 8.Shaft coupling 17 and magnetic bearing 18 to make between axis of rotation 8 and reducer 14 in flexibly connecting, and decrease the starting load that motor 13 starts, and reduce torsional impact during stall brake.
as shown in Figure 1, for convenience of salvaging, be provided with installation annular groove in the top of current limiting plate mounting cylinder 4, current limiting plate 6 is connected in the bottom of installation annular groove by key; The top of installing annular groove is provided with internal thread, and is installed with current limiting plate 6 longitudinally can be fixed spacing salvaging seat 20 by screw thread, and the lower end of salvaging seat 20 is against on current limiting plate 6; Be fixed with fishing head 21 in the upper end, middle part of salvaging seat 20, on the salvaging seat 20 of fishing head 21 surrounding, circle distribution has drainage hole 22.
as shown in Figure 1, for convenience of dismounting, the upper side and lower side sealing outer casing 1 is respectively equipped with internal thread, and axle bed 2 is fixedly mounted on the upside of the outer casing 1 of sealing by screw thread; Shutoff joint 11 be fixedly mounted on by screw thread seal outer casing 1 downside in; Seal outer casing 1 and be installed with anti-rotation pin 19 respectively and between axle bed 2 and shutoff joint 11.
as shown in Figure 1, seal on the upside of outer casing 1 and be installed with sealing ring 23 between axle bed 2; Seal on the downside of outer casing 1 and between shutoff joint 11 and be installed with sealing ring 23; Sealing ring 23 together with being longitudinally installed with at least between axle bed 2 with axis of rotation 8.Sealing ring 23 plays the effect increasing contact surface sealing.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. a rotary slurry continuous-wave generator, is characterized in that comprising the outer casing of sealing, axle bed, gusset, current limiting plate mounting cylinder, current limiting plate, mud metering hole, axis of rotation, runner, shutoff joint and performing driving mechanism; Be installed with axle bed in the upper end of the outer casing of sealing, outside the upper end of axle bed, be installed with current limiting plate mounting cylinder by the gusset of circle distribution; Be provided with current limiting plate at current limiting plate mounting cylinder internal fixtion, on current limiting plate, circle distribution has at least two mud metering holes; In axle bed, be provided with the axis of rotation that can rotate, the upper end of axis of rotation is installed with runner, and runner is positioned at the current limiting plate mounting cylinder on the downside of current limiting plate, and on runner, circumference is fixed with the damping vane corresponding with mud metering hole; Shutoff joint is fixed with in the bottom of the outer casing of sealing, shutoff joint and the outer casing of sealing, axle bed, form seal chamber between axis of rotation, the command signal of signal processing unit under seal chamber internal fixtion is provided with energy received well the execution driving mechanism driving axis of rotation to rotate; The clutch end and the axis of rotation that perform driving mechanism are fixed together.
2. rotary slurry continuous-wave generator according to claim 1, is characterized in that performing driving mechanism and comprises motor, reducer and can to give an order the control circuit that signal drived control motor run by received well; Control circuit, motor and reducer is installed with successively from the bottom to top in seal chamber; The executive signal output of control circuit is electrically connected by wire with the power signal input of motor; The power output shaft of motor is connected with the high speed shaft of reducer, and slow-speed shaft and the axis of rotation of reducer are fixed together.
3. rotary slurry continuous-wave generator according to claim 2, is characterized in that reducer adopts planetary reducer.
4. the rotary slurry continuous-wave generator according to claim 1 or 2 or 3, is characterized in that the bottom of axis of rotation is provided with spacing outer land, and the axis of rotation between bottom spacing outer land upper end and axle bed is provided with axle sleeve and journal bearing from top to bottom successively; The upper end, fixing outer ring of journal bearing withstands on axle sleeve; The temperature of inner ring during rotation lower end of journal bearing is against in spacing outer land.
5. rotary slurry continuous-wave generator according to claim 4, the slow-speed shaft that it is characterized in that reducer is provided with shaft coupling, shaft coupling and be installed together by magnetic bearing between axis of rotation.
6. the rotary slurry continuous-wave generator according to claim 1 or 2 or 3 or 5, is provided with installation annular groove in the top that it is characterized in that current limiting plate mounting cylinder, current limiting plate be connected to by key annular groove is installed bottom in; The top of installing annular groove is provided with internal thread, and is installed with current limiting plate longitudinally can be fixed spacing salvaging seat by screw thread, and the lower end of salvaging seat is against on current limiting plate; Be fixed with fishing head in the upper end, middle part of salvaging seat, on the salvaging seat of fishing head surrounding, circle distribution has drainage hole.
7. rotary slurry continuous-wave generator according to claim 4, is provided with installation annular groove in the top that it is characterized in that current limiting plate mounting cylinder, current limiting plate be connected to by key annular groove is installed bottom in; The top of installing annular groove is provided with internal thread, and is installed with current limiting plate longitudinally can be fixed spacing salvaging seat by screw thread, and the lower end of salvaging seat is against on current limiting plate; Be fixed with fishing head in the upper end, middle part of salvaging seat, on the salvaging seat of fishing head surrounding, circle distribution has drainage hole.
8. the rotary slurry continuous-wave generator according to claim 1 or 2 or 3 or 5 or 7, is characterized in that the upper side and lower side sealing outer casing is respectively equipped with internal thread, and axle bed is fixedly mounted on the upside of the outer casing of sealing by screw thread; Shutoff joint be fixedly mounted on by screw thread seal outer casing downside in; Seal outer casing and be installed with anti-rotation pin respectively and between axle bed and shutoff joint; Or/and, seal on the upside of outer casing and be installed with sealing ring between axle bed; Seal on the downside of outer casing and between shutoff joint and be installed with sealing ring; Sealing ring together with being longitudinally installed with at least between axle bed with axis of rotation.
9. rotary slurry continuous-wave generator according to claim 4, is characterized in that the upper side and lower side sealing outer casing is respectively equipped with internal thread, and axle bed is fixedly mounted on the upside of the outer casing of sealing by screw thread; Shutoff joint be fixedly mounted on by screw thread seal outer casing downside in; Seal outer casing and be installed with anti-rotation pin respectively and between axle bed and shutoff joint; Or/and, seal on the upside of outer casing and be installed with sealing ring between axle bed; Seal on the downside of outer casing and between shutoff joint and be installed with sealing ring; Sealing ring together with being longitudinally installed with at least between axle bed with axis of rotation.
10. rotary slurry continuous-wave generator according to claim 6, is characterized in that the upper side and lower side sealing outer casing is respectively equipped with internal thread, and axle bed is fixedly mounted on the upside of the outer casing of sealing by screw thread; Shutoff joint be fixedly mounted on by screw thread seal outer casing downside in; Seal outer casing and be installed with anti-rotation pin respectively and between axle bed and shutoff joint; Or/and, seal on the upside of outer casing and be installed with sealing ring between axle bed; Seal on the downside of outer casing and between shutoff joint and be installed with sealing ring; Sealing ring together with being longitudinally installed with at least between axle bed with axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700263.8A CN105257283A (en) | 2015-10-26 | 2015-10-26 | Rotary mud continuous wave generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700263.8A CN105257283A (en) | 2015-10-26 | 2015-10-26 | Rotary mud continuous wave generator |
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| CN105257283A true CN105257283A (en) | 2016-01-20 |
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| CN201510700263.8A Pending CN105257283A (en) | 2015-10-26 | 2015-10-26 | Rotary mud continuous wave generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723434A (en) * | 2018-12-29 | 2019-05-07 | 中国科学院地质与地球物理研究所 | Drilling tool pressure pulse perseverance amplitude adjusted method and regulating system |
| CN111236930A (en) * | 2020-01-17 | 2020-06-05 | 中国科学院地质与地球物理研究所 | Shear type mud pulse generating device |
| CN114635655A (en) * | 2022-02-22 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Pollution-free underground electric driving circulating cleaning device and horizontal well shaft cleaning method |
| CN115059458A (en) * | 2022-06-29 | 2022-09-16 | 中国地质大学（北京） | Method for generating and identifying mud pulse signal of underground measurement while drilling |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723434A (en) * | 2018-12-29 | 2019-05-07 | 中国科学院地质与地球物理研究所 | Drilling tool pressure pulse perseverance amplitude adjusted method and regulating system |
| CN111236930A (en) * | 2020-01-17 | 2020-06-05 | 中国科学院地质与地球物理研究所 | Shear type mud pulse generating device |
| CN111236930B (en) * | 2020-01-17 | 2020-11-10 | 中国科学院地质与地球物理研究所 | Shear type mud pulse generating device |
| WO2021143461A1 (en) * | 2020-01-17 | 2021-07-22 | 中国科学院地质与地球物理研究所 | Shearing type mud pulse generating device |
| CN114635655A (en) * | 2022-02-22 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Pollution-free underground electric driving circulating cleaning device and horizontal well shaft cleaning method |
| CN115059458A (en) * | 2022-06-29 | 2022-09-16 | 中国地质大学（北京） | Method for generating and identifying mud pulse signal of underground measurement while drilling |
| CN115059458B (en) * | 2022-06-29 | 2022-12-06 | 中国地质大学（北京） | Method for generating and identifying mud pulse signal of underground measurement while drilling |
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Address after: 830026 the Xinjiang Uygur Autonomous Region economic and Technological Development Zone, Central South Road, No. 326, West Drilling Drilling Engineering Technology Research Institute of science and Technology Management Department of science and technology Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 the Xinjiang Uygur Autonomous Region Friendship Road, No. 98 Drilling Engineering Technology Research Institute, Karamay Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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Application publication date: 20160120 |
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