CN107313733B - Vane type hydraulic oscillator for coiled tubing - Google Patents
Vane type hydraulic oscillator for coiled tubing Download PDFInfo
- Publication number
- CN107313733B CN107313733B CN201710754140.1A CN201710754140A CN107313733B CN 107313733 B CN107313733 B CN 107313733B CN 201710754140 A CN201710754140 A CN 201710754140A CN 107313733 B CN107313733 B CN 107313733B
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- China
- Prior art keywords
- wear
- choke valve
- auger
- rotor
- coiled tubing
- 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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- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 13
- 239000002002 slurry Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The utility model provides a vane type hydraulic oscillator for coiled tubing, includes top connection, lower clutch and installs the urceolus between top connection and lower clutch, the recess of top connection in be provided with the choke valve, the choke valve inboard be the toper structure, the outer terminal surface of choke valve be provided with the last wear-resisting holding ring that prevents the choke valve and drop, last wear-resisting holding ring be the ring and realize the location of circumferencial direction through the locating key of one side, the urceolus inside be provided with the rotor, the rotor include the auger cover that sets up in the outside, set up in the auger pole and set up in the middle auger blade, the auger pole be close to the one end threaded connection of choke valve have the mushroom head, the mushroom head contact with the bell mouth of choke valve, the rotor be located the lower clutch end and fix a position through lower wear-resisting holding ring, lower wear-resisting holding ring fix a position through the locating key, this oscillator frequency is suitable, stable in structure, simple to operate, long service life.
Description
Technical Field
The invention relates to the technical field of downhole tools of petroleum equipment, in particular to a vane type hydraulic oscillator for a continuous oil pipe.
Background
Because the coiled tubing has smaller outer diameter, the coiled tubing is excessively rubbed in the running process, is more easy to bend and spiral, and seriously affects the running depth, the hydraulic oscillator improves the effectiveness of bit pressure transmission in the running process through axial vibration generated by the hydraulic oscillator, reduces the friction resistance between a downhole tool and a borehole, and is used for improving the running depth and the drilling and grinding efficiency, the conventional hydraulic oscillator mostly adopts a screw rod type or spring valve plate structure, rubber parts in the screw rod type structure are easy to wear and are not high-temperature resistant, and the service life is limited; the oscillating frequency of the spring valve plate type structure is unstable, and the field application effect is poor.
Disclosure of Invention
The invention aims to provide a vane type hydraulic oscillator for a coiled tubing, which has the advantages of proper frequency, stable structure, convenience in installation and long service life.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a vane type hydraulic oscillator for coiled tubing, includes top connection, lower clutch and installs the urceolus between top connection and lower clutch, the recess of top connection in be provided with the choke valve, the choke valve inboard be the toper structure, the outer terminal surface of choke valve be provided with the last wear-resisting holding ring that prevents the choke valve and drop, last wear-resisting holding ring be the ring and realize the location of circumferencial direction through the locating key of one side, the urceolus inside be provided with the rotor, the rotor include the auger cover that sets up in the outside, set up in the auger pole and set up in the centre auger blade, the auger pole be close to the one end threaded connection of choke valve have the mushroom head, the mushroom head contact with the bell mouth of choke valve, the rotor be located the lower clutch end and fix a position through lower wear-resisting holding ring, lower wear-resisting holding ring fix a position through the locating key.
As optimization, both ends of the outer cylinder are connected with the upper joint and the lower joint through threads, sealing rings are arranged at the joints to realize sealing, and screws are further arranged between the upper joint and the outer cylinder and between the lower joint and the outer cylinder.
As optimization, the inside through hole of choke valve be the toper through-hole, choke valve toper hole and mushroom head cooperation realize throttle control to the inside through-hole diameter of choke valve is from being close to mushroom head end to keeping away from mushroom head end grow gradually.
As optimization, the upper wear-resistant positioning ring and the lower wear-resistant positioning ring are provided with wear-resistant protrusions on one side close to the rotor.
As optimization, the end faces of the two ends of the auger sleeve on the rotor are inclined faces, and the inclined faces of the two ends are symmetrical to each other.
As optimization, the outside that the auger cover is close to lower clutch one end be provided with the wearing layer, the wearing layer on evenly be provided with the guiding gutter of its lubrication action.
As optimization, the auger stem is welded with the auger blade, and the auger blade is welded with the auger sleeve.
As optimization, the throttle valve, the upper wear-resistant positioning ring, the lower wear-resistant positioning ring and the mushroom head are all made of wear-resistant alloy steel materials.
The beneficial effects of the invention are as follows: compared with the prior art, the vane type hydraulic oscillator for the coiled tubing adopts a novel vane type structure, ensures the stability of a rotor, is convenient to install and maintain, and can resist high temperature; the rotor auger sleeve is provided with a cam structure, the frequency is stable, the lower positioning wear-resistant ring is made of wear-resistant alloy steel, and the service life is prolonged; the upper wear-resistant positioning ring is positioned above the rotor, so that the phenomenon that the rotor moves upwards in the running process can be effectively prevented, and the tight contact between the rotor and the lower wear-resistant positioning ring is ensured.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a half cross-sectional view of a rotor of the present invention;
FIG. 3 is a diagram illustrating the configuration of the rotor of the present invention at the lowest point;
FIG. 4 is a diagram of the rotor of the present invention at the highest point;
FIG. 5 is a perspective view of an upper wear resistant retaining ring of the present invention;
FIG. 6 is a view of the structure of the packing auger sleeve of the present invention;
FIG. 7 is a block diagram of an auger blade according to the present invention;
wherein, 1 top connection, 2 urceolus, 3 choke valves, 4 locating key, 5 last wear-resisting holding ring, 6 mushroom head, 7 rotors, 8 bottom connection, 9 screw, 10 sealing washer, 11 wear-resisting holding ring down, 12 wear-resisting arch, 13 wearing layer, 14 guiding gutter, 701 auger pole, 702 auger blade, 703 auger cover.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The utility model provides a vane type hydraulic oscillator for coiled tubing, includes top connection 1, lower clutch 8 and installs urceolus 2 between top connection 1 and lower clutch 8, the recess of top connection 1 in be provided with choke valve 3, choke valve 3 inboard be the toper structure, the outer terminal surface of choke valve 3 be provided with the last wear-resisting holding ring 5 that prevents choke valve 3 and drop, last wear-resisting holding ring 5 be the ring and realize the location of circumferencial direction through the locating key 4 of one side, urceolus 2 inside be provided with rotor 7, rotor 7 include the auger cover 703 that sets up in the outside, set up in the auger Long Gan 701 and set up in the centre auger blade 702, the one end threaded connection that auger rod 701 is close to choke valve 3 have mushroom head 6, mushroom head 6 contact with the bell mouth of choke valve 3, rotor 7 be located the lower clutch 8 end and pass through wear-resisting holding ring 11 and fix a position, lower wear-resisting holding ring 11 pass through locating key 4 and fix a position.
As optimization, both ends of the outer cylinder 2 are connected with the upper joint 1 and the lower joint 8 through threads, sealing rings 10 are arranged at the joints to realize sealing, and screws 9 are further arranged between the upper joint 1 and the outer cylinder 2 and between the lower joint 8 and the outer cylinder 2.
As optimization, the inner through hole of the throttle valve 3 is a conical through hole, the conical through hole of the throttle valve 3 is matched with the mushroom head 6 to realize throttle control, and the diameter of the inner through hole of the throttle valve 3 gradually increases from the end close to the mushroom head 6 to the end far away from the mushroom head 6.
As optimization, the side, close to the rotor 7, of the upper wear-resistant positioning ring 5 and the lower wear-resistant positioning ring 11 is provided with wear-resistant protrusions 12.
Preferably, the end surfaces of the two ends of the auger sleeve 703 on the rotor 7 are inclined surfaces, and the inclined surfaces of the two ends are symmetrical to each other.
As an optimization, the outer side of the auger sleeve 703, which is close to one end of the lower joint 8, is provided with a wear-resistant layer 13, and the wear-resistant layer 13 is uniformly provided with guide grooves 14 with lubrication function.
As an optimization, the packing Long Gan is welded with the packing vane 702, and the packing vane 702 is welded with the packing sleeve 703.
As optimization, the throttle valve 3, the upper wear-resistant positioning ring 5, the lower wear-resistant positioning ring 11 and the mushroom head 6 are all made of wear-resistant alloy steel materials.
The upper wear-resistant positioning ring and the lower wear-resistant positioning ring have the same structure and are symmetrically arranged.
In the embodiment shown in fig. 1-2, a vane type hydraulic oscillator for a coiled tubing comprises an upper joint 1, an outer barrel 2, a throttle valve 3, a positioning key 4, an upper wear-resistant positioning ring 5, a mushroom head 6, a rotor 7, a lower joint 8, a screw 9, a sealing ring 10 and a lower wear-resistant positioning ring 11, wherein the outermost layer of the tool is the outer barrel 2, in the working process, slurry liquid flow in the upper joint 1 passes through the throttle valve 3 and drives the rotor 7 to rotate, a cam at the lower end of a packing auger 703 in the rotor 7 always contacts with the positioning wear-resistant ring 5, the rotor 7 periodically moves upwards and downwards under the dual effects of axial water hammer force and rotation moment, the mushroom head 6 is in threaded connection with the rotor 7, the slurry liquid flow drives a downhole tool to generate high-frequency low-amplitude periodic vibration in the axial direction through the water hammer force periodically changing the throttle area between the mushroom head 6 and the throttle valve 3, static friction between the tool string and a borehole is converted into dynamic friction, the friction resistance is reduced, and the running depth and the drilling efficiency is improved.
In another embodiment shown in fig. 3, when the rotor rotates to the lowest point, the auger sleeve moves downward integrally, the gap between the mushroom head on the auger stem and the throttle valve is maximum, the throttle area is minimum, the slurry flowing through the throttle valve is maximum, the slurry flows through the auger blade in the rotor, the auger blade is a rotating guide blade, a certain force is applied to the auger blade to enable the auger blade to axially rotate while the slurry flows downward, a certain friction is generated between the auger sleeve and the upper and lower wear-resistant positioning rings when the rotor rotates, the wear-resistant protrusions in contact with the auger sleeve are arranged on the upper and lower wear-resistant positioning rings, the surfaces of the wear-resistant protrusions are subjected to special hardening treatment, the friction coefficient is small, the wear resistance is high, and the friction to the auger sleeve is reduced.
In another embodiment as shown in fig. 4, when the rotating shaft rotates to the highest point, that is, the distance between the mushroom head on the auger stem and the throttle valve is minimum, the throttle area is maximum, the slurry flow flowing through the throttle valve is minimum, at this time, the highest end of the inclined end surface of the auger sleeve on the rotor is contacted with the non-wear-resistant raised end of the upper wear-resistant positioning ring, the lowest end of the inclined surface of the auger sleeve of the rotor is contacted with the wear-resistant raised end of the upper wear-resistant positioning ring, the end matched with the mushroom head is the smallest end of the conical structure through the conical structure in the throttle valve, the top end of the mushroom head is also a conical body, the up-and-down movement in the axial direction is realized while the rotor rotates, thereby realizing the adjustment of the distance between the mushroom head and the throttle valve, realizing the adjustment of the throttle area between the throttle valve, the slurry flow drives the downhole tool to generate periodicity and vibration with high frequency amplitude in the axial direction through the water impact force of the periodic change of the throttle area, the static friction between the tool string and the well bore hole is converted into dynamic friction, and the friction resistance is reduced.
In the embodiment shown in fig. 5, key grooves matched with the positioning keys are formed in the upper wear-resistant positioning ring and the lower wear-resistant positioning ring, a wear-resistant protrusion is further arranged on one side surface of the ring, the wear-resistant protrusion and the ring are integrally arranged, the arc at the contact end of the wear-resistant protrusion and the rotor is arranged, and the surface of the wear-resistant protrusion and the rotor is subjected to special hardening treatment, so that the friction coefficient is reduced, and the service life is prolonged.
In the embodiment shown in fig. 6, a wear-resistant layer is arranged on the outer side of the auger sleeve, isolation is realized between the auger sleeve and the outer cylinder through the wear-resistant layer in the rotating process, friction between the outer layer of the whole auger sleeve and the outer cylinder is prevented, a diversion trench which is spirally arranged on the wear-resistant layer is formed, when the rotor rotates, part of slurry flowing liquid flows through a gap between the auger sleeve and the outer cylinder, when the slurry flows through the wear-resistant layer, lubrication is realized through the diversion trench, and large friction or blocking phenomenon between the rotor and the outer cylinder is prevented in the rotating process.
The foregoing embodiments are merely specific examples of the present invention, and the scope of the present invention includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art consistent with the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a vane type hydraulic oscillator for coiled tubing, includes upper joint (1), lower joint (8) and installs urceolus (2) between upper joint (1) and lower joint (8), its characterized in that: the utility model provides a recess in top connection (1) in be provided with choke valve (3), choke valve (3) inboard be toper structure, the outer terminal surface of choke valve (3) be provided with and prevent last wear-resisting holding ring (5) that choke valve (3) drop, last wear-resisting holding ring (5) be the ring and realize the location of circumferencial direction through locating key (4) on one side, urceolus (2) inside be provided with rotor (7), rotor (7) including setting up in the auger cover (703) in the outside, setting up in the auger Long Gan (701) and setting up in the centre auger blade (702), one end threaded connection that is close to choke valve (3) of auger Long Gan (701) have mushroom head (6), mushroom head (6) meet with the bell mouth of choke valve (3), rotor (7) be located down and connect (8) end and fix a position through lower wear-resisting holding ring (11), lower wear-resisting holding ring (11) fix a position through locating key (4).
2. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the two ends of the outer cylinder (2) are connected with the upper joint (1) and the lower joint (8) through threads, sealing rings (10) are arranged at the joints to realize sealing, and screws (9) are further arranged between the upper joint (1) and the outer cylinder (2) and between the lower joint (8) and the outer cylinder (2).
3. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the inside through-hole of choke valve (3) be the toper through-hole, choke valve (3) toper hole and mushroom head (6) cooperation realize throttle control, and choke valve (3) inside through-hole diameter is from being close to mushroom head (6) end to keeping away from mushroom head (6) end grow gradually.
4. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: and wear-resistant protrusions (12) are arranged on one side, close to the rotor (7), of the upper wear-resistant positioning ring (5) and the lower wear-resistant positioning ring (11).
5. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the end faces of the two ends of the auger sleeve (703) on the rotor (7) are inclined faces, and the inclined faces of the two ends are symmetrical to each other.
6. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the outside that is close to lower clutch (8) one end of auger cover (703) be provided with wearing layer (13), wearing layer (13) on evenly be provided with guiding gutter (14) of its lubrication effect.
7. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the screw Long Gan (701) is welded with the screw blade (702), and the screw blade (702) is welded with the screw sleeve (703).
8. A vane-type hydraulic oscillator for coiled tubing as claimed in claim 1, wherein: the throttle valve (3), the upper wear-resistant locating ring (5), the lower wear-resistant locating ring (11) and the mushroom head (6) are all made of wear-resistant alloy steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754140.1A CN107313733B (en) | 2017-08-29 | 2017-08-29 | Vane type hydraulic oscillator for coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754140.1A CN107313733B (en) | 2017-08-29 | 2017-08-29 | Vane type hydraulic oscillator for coiled tubing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313733A CN107313733A (en) | 2017-11-03 |
| CN107313733B true CN107313733B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754140.1A Active CN107313733B (en) | 2017-08-29 | 2017-08-29 | Vane type hydraulic oscillator for coiled tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313733B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253054B (en) * | 2019-06-28 | 2020-07-10 | 胜利油田盛辉石油技术开发有限责任公司 | Drill bit |
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| CN205477480U (en) * | 2016-04-13 | 2016-08-17 | 中国石油集团钻井工程技术研究院 | Screw rod drag reduction instrument with adjustable continuous pipe bit well |
| CN205778655U (en) * | 2016-06-21 | 2016-12-07 | 中国石油天然气集团公司 | Down-hole screw motor two-way oscillation cementing tool |
| CN107035319A (en) * | 2017-05-23 | 2017-08-11 | 扬州大学 | A kind of oilfield drilling waterpower drag reduction oscillator |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7191852B2 (en) * | 2003-12-05 | 2007-03-20 | Halliburton Energy Services, Inc. | Energy accelerator |
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2017
- 2017-08-29 CN CN201710754140.1A patent/CN107313733B/en active Active
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|---|---|---|---|---|
| CN1995686A (en) * | 2006-12-23 | 2007-07-11 | 辽河石油勘探局 | Pulse-percussion drilling tool |
| CN103382828A (en) * | 2012-05-04 | 2013-11-06 | 长江大学 | Two-dimensional hydraulic vibrator used for petroleum drilling |
| CN104405288A (en) * | 2014-10-24 | 2015-03-11 | 缪宏 | Hydraulic simple harmonic oscillator for well drilling |
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| CN107313733A (en) | 2017-11-03 |
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