CN205025357U - Pulse jet joint that raises speed - Google Patents
Pulse jet joint that raises speed Download PDFInfo
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- CN205025357U CN205025357U CN201520691070.6U CN201520691070U CN205025357U CN 205025357 U CN205025357 U CN 205025357U CN 201520691070 U CN201520691070 U CN 201520691070U CN 205025357 U CN205025357 U CN 205025357U
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Abstract
An embodiment of the utility model provides a pulse jet joint that raises speed, this pulse jet joint that raises speed includes: in the shell body in the adjacent three through -hole in the biggest through -hole in aperture down fixed orifice plates and last fixed orifice plates to be separated by the default distance level from top to bottom fixed, it has the runner on fixed orifice plates and the fixed orifice plates down to go up, and the bearing is installed in last fixed orifice plates fixed orifice plates's under and round hole, the inner surface of hollow shaft and bearing is connected, the inside through -hole that is equipped with of hollow shaft, guide vanes fixes at last fixed orifice plates under and on the hollow shaft between the fixed orifice plates, a cooperation section of thick bamboo is installed between the inner chamber wall of guide vanes and shell body, the lower extreme at the hollow shaft is fixed to the first end of the through -hole eccentric shaft in the middle of being arranged in in adjacent three through -hole, the rotary seal piece is fixed and is served at the second of eccentric shaft, the cycle guide plate is fixed lieing in the step face between the minimum through -hole in middle through -hole and aperture, thankss for your hospitality the opening on the cycle guide plate, there is resonance pulse chamber in the minimum through -hole in aperture in adjacent three through -hole.
Description
Technical field
The utility model relates to drilling technology field, particularly a kind of pulsing jet speed-raising joint.
Background technology
The most important step of drilling engineering is fractured rock.Energy required for fractured rock is from earth's surface, and energy is delivered to bottom drill bit by drilling fluid, drilling rod, and drill bit is broken rock directly.Occurred that a collection of technology is for improving drill bit efficiency of breaking rock in the past few decades, pulsing jet speed-raising technology is exactly wherein a kind of.Pulsing jet speed-raising technology is the intermittent flow continuous-flow of drilling fluid being converted to certain frequency.Significantly improved in the muzzle velocity of bit port by this conversion drilling fluid, the raising of this speed directly brings the raising of jet impulse efficiency, and hydraulic drilling efficiency is enhanced.And pulsing jet effect changes the distribution of shaft bottom cutting bed, improves shaft bottom bit head landwaste upward velocity, the repetition avoiding landwaste is broken.In addition, pulsing jet effect periodically reduces bottom pressure, and this periodicity reduces bottom pressure can reduce bottom rock " chip hold down effect ", and bit speed is improved.Under the effect of above-mentioned three kinds of effects, improve drilling machinery drilling speed pulsing jet technology effective.
Domestic pulse drilling technology also obtains applying comparatively widely, obtains good speed-increasing effect.Traditional pulse drilling technology mostly is pulse bit technique, due to bit size restriction, makes pulsing jet there is more restriction in the modulation of amplitude and pulse frequency.Pulsing jet frequency mostly is with flow volume change values, and cannot regulate, and causes pulsing jet drilling technology to fail to play a role to greatest extent.Along with current well depth increases, the usefulness of pulsing jet need be played to a greater extent, make pulsing jet technology carry out suitable adjustment according to stratum property requirements to frequency and amplitude.Although provide frequency-adjustable pulse speed-raising instrument in prior art, effect of field application is also better, but at the scene in use procedure, due to the impact by the factor such as impurity content, particle size in circulatory mediator, there is the abnormal risk raising or suppress pump of earth's surface pump pressure.
Utility model content
The utility model embodiment provides a kind of pulsing jet speed-raising joint, while the frequency realizing adjustment pulsing jet and pulse amplitude, improves the safety of pulsing jet speed-raising joint, to avoid occurring the abnormal phenomenon raising or suppress pump of earth's surface pump pressure.This pulsing jet speed-raising joint comprises: shell body, the through hole that aperture reduces successively is provided with in described shell body, bearing is provided with in the through hole that adjacent three through hole mesoporous are maximum, upper fixing orifice plate, lower fixed hole plate, guide vane, coordinate cylinder and hollow shaft, in described adjacent three through holes, be arranged in middle through hole be provided with eccentric shaft, rotary seal block and cycle deflector, resonant pulses chamber is provided with in the through hole that described adjacent three through hole mesoporous are minimum, wherein, described lower fixed hole plate level is fixed on the maximum through hole in described aperture and described step surface between the through hole of centre, fixed orifice plate is fixed above described lower fixed hole plate, with described lower fixed hole plate predeterminable range place level of being separated by, the center of fixed orifice plate and described lower fixed hole plate is equipped with circular hole, fixed orifice plate and described lower fixed hole plate are equipped with runner, and described runner is the passage of flowing drilling fluid, described bearing is arranged in the circular hole of fixed orifice plate and described lower fixed hole plate, described hollow shaft is connected with the aperture surface of described bearing, described hollow shaft inside is provided with shaft through-hole, the length of described hollow shaft is greater than described predeterminable range, the upper surface isoplanar of the first end that described hollow shaft is connected with fixed orifice plate and fixed orifice plate, described guide vane is fixed in the hollow shaft between fixed orifice plate and described lower fixed hole plate, becomes upper and lower two-layer distribution, described cooperation cylinder is arranged between fixed orifice plate and described lower fixed hole plate, between described guide vane and the internal chamber wall of shell body, the first end of described eccentric shaft is fixed on the second end of described hollow shaft, described rotary seal block is fixed on the second end of described eccentric shaft, described cycle deflector is fixed on below the second end of described eccentric shaft, on step surface between the minimum through hole of the described through hole in centre and described aperture, described cycle deflector is provided with flow-disturbing through hole, described flow-disturbing through hole is the passage of flowing drilling fluid, the quantity of described rotary seal block, the quantity of described eccentric shaft is identical with the quantity of described flow-disturbing through hole, when drilling fluid impacts described guide vane by the runner on fixed orifice plate, described hollow shaft drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, in rotary course, when described rotary seal block overlaps with described flow-disturbing through hole, described flow-disturbing through hole is sealed, otherwise, described flow-disturbing through hole is unimpeded, make described flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow, shoulder hole is provided with, for amplifying the pulse amplitude of described pulsed flow in described resonant pulses chamber.
In one embodiment, the center of described cycle deflector is provided with safety vent, and this safety vent is the passage of flowing drilling fluid.
In one embodiment, the diameter of described safety vent is 10 millimeters to 15 millimeters.
In one embodiment, described shell body is cylindrical, and one end that described shell body internal orifice dimension is large is connected with well drilling pipe column, and the other end of described shell body is connected with drill bit.
In the utility model, by being the rotating mechanical energy of hollow shaft by the kinetic transformation of drilling fluid, making flow-disturbing through hole periodically unimpeded or sealed, producing pulsed flow; The frequency adjusting pulsed flow can be realized by the quantity adjusting guide vane, by adjustment resonant pulses chamber, the pulse amplitude adjusting pulsed flow can be realized, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed; Meanwhile, the shaft through-hole of hollow shaft inside keeps unimpeded, and drilling fluid can be flowed by shaft through-hole, improves the application security of pulsing jet speed-raising joint, to avoid occurring the abnormal phenomenon raising or suppress pump of earth's surface pump pressure.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the generalized section of a kind of pulsing jet speed-raising joint that the utility model embodiment provides;
Fig. 2 is the structural representation of a kind of cycle deflector that the utility model embodiment provides;
Fig. 3 is that a kind of flow-disturbing through hole of providing of the utility model embodiment is by the schematic diagram sealed;
Fig. 4 is the schematic diagram that a kind of flow-disturbing through hole that the utility model embodiment provides is unimpeded;
The schematic diagram of Fig. 5 pulse that to be a kind of rotary seal block of providing of the utility model embodiment produce at diverse location;
Fig. 6 is the schematic diagram of the pulse amplitude of pulsing jet after a kind of resonant pulses chamber that the utility model embodiment provides is amplified.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
In the utility model embodiment, provide a kind of pulsing jet speed-raising joint, as shown in Figure 1, this pulsing jet speed-raising joint comprises: shell body 1, the through hole that aperture reduces successively is provided with in described shell body 1, bearing 2 is provided with in the through hole that adjacent three through hole mesoporous are maximum, upper fixing orifice plate 3, lower fixed hole plate 6, guide vane 4, coordinate cylinder 5 and hollow shaft 7, in described adjacent three through holes, be arranged in middle through hole be provided with eccentric shaft 9, rotary seal block 8 and cycle deflector 10, resonant pulses chamber 11 is provided with in the through hole that described adjacent three through hole mesoporous are minimum, wherein,
Described lower fixed hole plate 6 is horizontally fixed on the maximum through hole in described aperture and described step surface between the through hole of centre;
Fixed orifice plate 3 is fixed above described lower fixed hole plate 6, with described lower fixed hole plate predeterminable range place level of being separated by, the center of fixed orifice plate and described lower fixed hole plate is equipped with circular hole, fixed orifice plate and described lower fixed hole plate are equipped with runner, and described runner is the passage of flowing drilling fluid;
Described bearing 2 is arranged in the circular hole of fixed orifice plate and described lower fixed hole plate;
Described hollow shaft 7 is connected with the aperture surface of described bearing 2, described hollow shaft inside is provided with shaft through-hole 701, the length of described hollow shaft is greater than described predeterminable range, the upper surface isoplanar of the first end that described hollow shaft is connected with fixed orifice plate and fixed orifice plate;
Described guide vane 4 is fixed in the hollow shaft between fixed orifice plate and described lower fixed hole plate, becomes upper and lower two-layer distribution;
Described cooperation cylinder 5 is arranged between fixed orifice plate and described lower fixed hole plate, between described guide vane and the internal chamber wall of shell body;
The first end of described eccentric shaft 9 is fixed on the second end of described hollow shaft;
Described rotary seal block 8 is fixed on the second end of described eccentric shaft;
Described cycle deflector 10 is fixed on below the second end of described eccentric shaft, on step surface between the minimum through hole of the described through hole in centre and described aperture, as shown in Figure 2, described cycle deflector 10 is provided with flow-disturbing through hole 101, described flow-disturbing through hole 101 is passages of flowing drilling fluid, the quantity of described rotary seal block, the quantity of described eccentric shaft is identical with the quantity of described flow-disturbing through hole, when drilling fluid impacts described guide vane by the runner on fixed orifice plate, described hollow shaft drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, in rotary course, as shown in Figure 3, when described rotary seal block overlaps with described flow-disturbing through hole, described flow-disturbing through hole is sealed, otherwise, as shown in Figure 4, described flow-disturbing through hole is unimpeded, make described flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow,
Shoulder hole is provided with, for amplifying the pulse amplitude of described pulsed flow in described resonant pulses chamber 11.
Known as shown in Figure 1, in the utility model embodiment, by being the rotating mechanical energy of hollow shaft by the kinetic transformation of drilling fluid, making flow-disturbing through hole periodically unimpeded or sealed, producing pulsed flow; The frequency adjusting pulsed flow can be realized by the quantity adjusting guide vane, by adjustment resonant pulses chamber, the pulse amplitude adjusting pulsed flow can be realized, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed; Meanwhile, the shaft through-hole of hollow shaft inside keeps unimpeded, and drilling fluid can be flowed by shaft through-hole, improves the application security of pulsing jet speed-raising joint, to avoid occurring the abnormal phenomenon raising or suppress pump of earth's surface pump pressure.
During concrete enforcement, above-mentioned bearing 2, upper fixing orifice plate 3, lower fixed hole plate 6, guide vane 4, cylinder 5 and hollow shaft 7 is coordinated to form the turbine power system of pulsing jet speed-raising joint, eccentric shaft 9, rotary seal block 8 and cycle deflector 10 form the pulse modulation system of pulsing jet speed-raising joint, resonant pulses chamber 11 forms the resonant pulses amplification system of pulsing jet speed-raising joint, the through hole that aperture reduces successively is provided with from top to bottom in shell body 1, once mounting turbine power system from top to bottom in shell body 1 through hole, pulse modulation system and resonance pulse amplification system.
During concrete enforcement, above-mentioned shell body 1 is cylinder, and the through hole that inside is provided with can be circular or polygon, and concrete, polygonal hole can be regular hexagon or octagon, and through hole equivalent diameter or diameter reduce from top to bottom successively, forms shoulder hole.One end that described shell body internal orifice dimension is large is connected with well drilling pipe column by screw thread, and the other end of described shell body is connected with drill bit by screw thread.
During concrete enforcement, the predeterminable range of above-mentioned fixing orifice plate 3 and described lower fixed hole plate 6 can be 50 millimeters to 2000 millimeters, the length of hollow shaft 7 is greater than this predeterminable range, when the first end (i.e. upper end) of hollow shaft 7 and the upper surface isoplanar of fixed orifice plate 3, second end (i.e. lower end) of hollow shaft 7 is apart from the soffit 50 millimeters to 1000 millimeters of described lower fixed hole plate 6, and the diameter of the shaft through-hole 701 of hollow shaft 7 can be 10 millimeters to 15 millimeters.
During concrete enforcement, in order to improve the application security of pulsing jet speed-raising joint further, in the present embodiment, as shown in Figure 2, the center of above-mentioned cycle deflector 10 is provided with safety vent 102, this safety vent 102 is passages of flowing drilling fluid, this safety vent 102 keeps unimpeded always, rotary seal block 8 and flow-disturbing through hole 101 formed periodic seal go wrong time, such as, when rotary seal block 8 is stuck and is in sealing station with flow-disturbing through hole 101, drilling fluid still flows downward by safety vent 102, avoiding problems drilling fluid runner and be completely severed the generation causing earth's surface pump pressure rising or suppress pump phenomenon, improve the safety of pulsing jet speed-raising joint work.Concrete, the diameter of safety vent 102 can be 10 millimeters to 15 millimeters, and the shape of safety vent 102 be circle or polygon, and the shape of cycle deflector 10 can be polygon, and limit number and the length of side of its limit number and the length of side and above-mentioned shell body 1 inner via hole are equal.
During concrete enforcement, above-mentioned flow-disturbing through hole 101 distributes with the Central Symmetry of cycle deflector 10, such as, as shown in Figure 2, the distance at flow-disturbing through hole 101 center and cycle water conservancy diversion orifice plate 10 center is e, the diameter of flow-disturbing through hole 101 is less than e, and the quantity of flow-disturbing through hole 101 can be 1 to 10, and the shape of flow-disturbing through hole 101 can be circular or polygon.
During concrete enforcement, eccentric shaft 9 is driven to rotate in hollow shaft 7, in the process that rotary seal block 8 rotates with eccentric shaft 9, the soffit of rotary seal block 8 overlaps to be formed with flow-disturbing through hole 101 position on cycle deflector 10 and seals, as shown in Figure 3, blocked instantaneously by the drilling fluid runner of flow-disturbing through hole 101, part drilling fluid still flows downward by safety vent 102; Rotary seal block 8 does not rotate to the position overlapped with flow-disturbing through hole 101, as shown in Figure 4, flow-disturbing through hole 101 is unimpeded is in maximum fluidity cross section state, circulating fluid can pass through flow-disturbing through hole 101 and safety vent 102 smoothly, along with the rotation of hollow shaft 7, rotary seal block 8 will turn to the position shown in Fig. 3 again, and drilling fluid runner is blocked.The pressure oscillation a that flow-disturbing through hole 101 is corresponding time unimpeded and flow-disturbing through hole 101 are by pressure oscillation b corresponding during sealing as shown in Figure 5.
During concrete enforcement, resonant pulses Qiang11Shi center is provided with the cavity of shoulder hole, and diameter or the equivalent diameter in hole reduce gradually, and the shape in hole is circular or polygon.Concrete, the profile in resonant pulses chamber 11 can be column polygon or circle, coordinates install with the circular port established in shell body 1.The Main Function in resonant pulses chamber 11 is that paired pulses fluid induces pulse again, forms resonance, increases the pulse amplification of fluid.Fig. 6 is the pulse amplitude that afterpulse jet is amplified in resonant pulses chamber 11, curve c is the pulse amplitude amplifying prepulse jet, and curve d is the pulse amplitude amplifying afterpulse jet, compared with Fig. 4, the frequency of pulsing jet does not change, and pulse amplitude pressure significantly increases.By periodically opening and cut off the flow-disturbing through hole 101 of drilling fluid, make drilling fluid to the change of the impact force generating period in resonant pulses chamber 11, after resonator amplifies, this periodically variable impulse force strengthens further.
In the utility model, by being the rotating mechanical energy of hollow shaft by the kinetic transformation of drilling fluid, making flow-disturbing through hole periodically unimpeded or sealed, producing pulsed flow; The frequency adjusting pulsed flow can be realized by the quantity adjusting guide vane, by adjustment resonant pulses chamber, the pulse amplitude adjusting pulsed flow can be realized, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed; Meanwhile, the shaft through-hole of hollow shaft inside keeps unimpeded, and drilling fluid can be flowed by shaft through-hole, improves the application security of pulsing jet speed-raising joint, to avoid occurring the abnormal phenomenon raising or suppress pump of earth's surface pump pressure.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a pulsing jet speed-raising joint, it is characterized in that, comprise: shell body, the through hole that aperture reduces successively is provided with in described shell body, be provided with in the through hole that adjacent three through hole mesoporous are maximum bearing, on fix orifice plate, lower fixed hole plate, guide vane, cooperation cylinder and hollow shaft, in described adjacent three through holes, be arranged in middle through hole be provided with eccentric shaft, rotary seal block and cycle deflector, resonant pulses chamber is provided with in the through hole that described adjacent three through hole mesoporous are minimum, wherein
Described lower fixed hole plate level is fixed on the maximum through hole in described aperture and described step surface between the through hole of centre;
Fixed orifice plate is fixed above described lower fixed hole plate, with described lower fixed hole plate predeterminable range place level of being separated by, the center of fixed orifice plate and described lower fixed hole plate is equipped with circular hole, fixed orifice plate and described lower fixed hole plate are equipped with runner, and described runner is the passage of flowing drilling fluid;
Described bearing is arranged in the circular hole of fixed orifice plate and described lower fixed hole plate;
Described hollow shaft is connected with the aperture surface of described bearing, described hollow shaft inside is provided with shaft through-hole, the length of described hollow shaft is greater than described predeterminable range, the upper surface isoplanar of the first end that described hollow shaft is connected with fixed orifice plate and fixed orifice plate;
Described guide vane is fixed in the hollow shaft between fixed orifice plate and described lower fixed hole plate, becomes upper and lower two-layer distribution;
Described cooperation cylinder is arranged between fixed orifice plate and described lower fixed hole plate, between described guide vane and the internal chamber wall of shell body;
The first end of described eccentric shaft is fixed on the second end of described hollow shaft;
Described rotary seal block is fixed on the second end of described eccentric shaft;
Described cycle deflector is fixed on below the second end of described eccentric shaft, on step surface between the minimum through hole of the described through hole in centre and described aperture, described cycle deflector is provided with flow-disturbing through hole, described flow-disturbing through hole is the passage of flowing drilling fluid, the quantity of described rotary seal block, the quantity of described eccentric shaft is identical with the quantity of described flow-disturbing through hole, when drilling fluid impacts described guide vane by the runner on fixed orifice plate, described hollow shaft drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, in rotary course, when described rotary seal block overlaps with described flow-disturbing through hole, described flow-disturbing through hole is sealed, otherwise, described flow-disturbing through hole is unimpeded, make described flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow,
Shoulder hole is provided with, for amplifying the pulse amplitude of described pulsed flow in described resonant pulses chamber.
2. pulsing jet speed-raising joint as claimed in claim 1, it is characterized in that, the center of described cycle deflector is provided with safety vent, and this safety vent is the passage of flowing drilling fluid.
3. pulsing jet speed-raising joint as claimed in claim 2, it is characterized in that, the diameter of described safety vent is 10 millimeters to 15 millimeters.
4. pulsing jet speed-raising joint as claimed any one in claims 1 to 3, it is characterized in that, described shell body is cylinder, and one end that described shell body internal orifice dimension is large is connected with well drilling pipe column, and the other end of described shell body is connected with drill bit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691070.6U CN205025357U (en) | 2015-09-08 | 2015-09-08 | Pulse jet joint that raises speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691070.6U CN205025357U (en) | 2015-09-08 | 2015-09-08 | Pulse jet joint that raises speed |
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| CN205025357U true CN205025357U (en) | 2016-02-10 |
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| CN201520691070.6U Active CN205025357U (en) | 2015-09-08 | 2015-09-08 | Pulse jet joint that raises speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804669A (en) * | 2016-05-24 | 2016-07-27 | 成都迪普金刚石钻头有限责任公司 | Pulse type drilling connector |
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2015
- 2015-09-08 CN CN201520691070.6U patent/CN205025357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804669A (en) * | 2016-05-24 | 2016-07-27 | 成都迪普金刚石钻头有限责任公司 | Pulse type drilling connector |
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