CN203701950U - Turbine mixed-flow type underground power pressurization drilling tool - Google Patents
Turbine mixed-flow type underground power pressurization drilling tool Download PDFInfo
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- CN203701950U CN203701950U CN201420077089.7U CN201420077089U CN203701950U CN 203701950 U CN203701950 U CN 203701950U CN 201420077089 U CN201420077089 U CN 201420077089U CN 203701950 U CN203701950 U CN 203701950U
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Abstract
The utility model provides a turbine mixed-flow type underground power pressurization drilling tool. The turbine mixed-flow type underground power pressurization drilling tool comprises a housing and an output shaft; the upper end of the output shaft is connected with a driving part; the lower portion of the output shaft is connected with a bit; a drilling fluid flowing channel is formed between the output shaft and the housing inside the lower portion of the output shaft; the flowing channel is communicated with an accommodating space formed in the bit; the bit is provided with a first spray nozzle and a second spray nozzle which is communicated with the accommodating space; a center hole is formed in the output shaft from bottom to top; the upper end of the center hole is provided with a first flowing hole which is communicated with the outer wall of the output shaft; a high pressure alloy steel pipe is connected between the lower portion of the output shaft and the bit; a drilling fluid high pressure flowing channel is formed in the steel pipe from bottom to top; the bottom end of the center hole is communicated with the first spray nozzle through the drilling fluid high pressure flowing channel and a first jet hole, wherein the drilling fluid high pressure flowing channel is formed in the high pressure alloy steel pipe; a mixed-flow pump sleeves the output shaft; a fluid inlet of the mixed-flow pump is communicated with the flowing channel; a fluid outlet of the mixed-flow pump is communicated with the first flowing hole which is formed at the upper end of the center hole; the pressurized fluid is jetted through the first spray nozzle. According to the turbine mixed-flow type underground power pressurization drilling tool, the bit is driven by the drilling fluid to break rock, meanwhile part of the drilling fluid is pressurized through the mixed-flow pump to perform high pressure jet auxiliary rock breaking, and accordingly the mechanical and hydraulic combined rock breaking can be achieved.
Description
Technical field
The utility model is about a kind of down-hole equipment, relates in particular to a kind of turbine mixed-flow well dynamic supercharging drilling tool of realizing machinery and waterpower combined-breaking rock.
Background technology
Along with the continuous exhaustion of China's Shallow Oil-Gas resource, under the hard formation condition of deep, finding exploitation petroleum resources is the important process of current oil-gas mining.In deep drilling exploration, along with the complexity of well track and casing programme constantly increases, the transmission of the pressure of the drill and apply very difficultly, has seriously reduced efficiency of breaking rock and rate of penetration.Study new rock breaking method, form new drilling technology, to improve drilling benefit, become the strategic task concerning sustainable development of drilling engineering field face.Experiment and research shows, mud motor and superhigh pressure jetting drilling technology combine, can fine addressing the above problem.
Turbodrill is that a kind of hydraulic energy that drilling fluid is had converts mechanical energy on turbine wheel shaft to and driven the hydraulic of bit by turbine wheel shaft; As shown in Figure 3, existing typical turbodrill 7 includes housing 71, and inner walls is provided with turbine stator 73, is provided with turbine wheel shaft 72 in housing 71, turbine wheel shaft 72 is provided with the turbine rotor 74 coordinating with turbine stator 73, and turbine wheel shaft 72 bottoms are connected with output shaft 76 by shaft coupling 75; Described drill bit 77 is provided with plain nozzle 771, is axially arranged with the centre bore 761,762 of connection in output shaft 76, output shaft centre bore 761 upper ends connect output shaft outer walls and with the conducting of drilling liquid flow circulation passage; Its groundwork principle is, drilling fluid is input to turbodrill from drilling rod (not shown), when drilling fluid is when flowing between turbine stator and turbine rotor, due to the change of liquid flow path direction and speed, can on turbine rotor, produce thrust, force turbine rotor rotation, thereby drive turbine wheel shaft (main shaft) and bit, creep into realize; Meanwhile, drilling fluid flows out by centre bore 761,762 and plain nozzle 771, at the bottom of clear well, and cutting carring.
But, in turbodrill drilling fluid pressure drop larger, reduced the water horse power of drill bit, speed-raising DeGrain, coordinates superhigh pressure jetting drilling technology can increase substantially bit speed by large quantity research with field trial discovery mechanical rock breaking.Using more superhigh pressure jetting drilling technology is at present downhole pressure increasing superhigh pressure water jet drilling technology, this technology does not need extra ground installation, be easy to conventional drilling mode to turn to superhigh pressure water jet drilling mode, safe and reliable, represent the development trend that superhigh pressure water jet supercharging mode is studied.
Existing underground booster mainly contains: bypass type underground booster, and utilizing large area to push away small size increases pressure; Jetting type underground booster, utilizes pressure reduction that piston up-down is pressurizeed to drilling fluid; Drill stem vibration damping formula underground booster, utilizes drillstring vibrations, and piston up-down is pressurizeed to drilling fluid; Centrifugal underground booster, utilizes centrifugal pump to pressurize to drilling fluid; Well screw booster, the reciprocating motion that utilizes power conversion body that rotatablely moving of swivel joint is converted to plunger is pressurizeed to drilling fluid; Cellular-type underground booster, uses fluid hydraulic transfering principle, utilizes the soft piston characteristic of barrier film to pressurize to drilling fluid; Hydraulic booster formula underground booster, utilizes the effect of entrainmenting and the incentive action of fluid to realize supercharging.But above-mentioned most prior art just relies on drill string rotating to drive bit, Life of drill rod is low, and down-hole accident easily occurs, and the effective pressurization time is shorter, and efficiency is lower.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of turbine mixed-flow well dynamic supercharging drilling tool, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of turbine mixed-flow well dynamic supercharging drilling tool, turbodrill and mixed-flow pump are organically combined, promote turbine by drilling fluid power is provided, in driving the broken rock of bit, drive mixed-flow pump pressures partially drilling fluid, carry out high-pressure spray auxiliary rock, realize machinery and waterpower combined-breaking rock, to improve drilling efficiency.
The purpose of this utility model is to realize like this, a kind of turbine mixed-flow well dynamic supercharging drilling tool, described drilling tool includes housing, is provided with output shaft in housing, described output shaft upper end is connected with top driver part by shaft coupling, and output shaft bottom fixed cover is provided with drill bit; Between described output shaft and housing, be provided with drilling fluid flow channels in output shaft bottom, output shaft bottom drilling fluid flow channels is communicated with the accommodation space that drill bit top is provided with; Drill bit bottom is provided with the first nozzle and second nozzle, and described second nozzle is communicated with accommodation space by the second jet orifice on drill bit; In described output shaft, be provided with from bottom to top centre bore, centre bore upper end is provided with multiple the first flowing holes with the conducting of output shaft outer wall, is connected with high pressure alloy pipe between output shaft bottom and drill bit, and steel duct has drilling fluid high pressure runner; Described centre bore bottom is communicated with the first nozzle by the first jet orifice on the inner drilling fluid high pressure of high pressure alloy pipe runner, drill bit; Be positioned on the output shaft of housing and be arranged with a mixed-flow pump, the feed liquor place of described mixed-flow pump is communicated with drilling fluid flow channels, the first flowing hole conducting of the fluid place of mixed-flow pump and centre bore upper end, the liquid order after supercharging is penetrated by the first nozzle by the first flowing hole, centre bore, the inner drilling fluid high pressure runner of high pressure alloy pipe and the first jet orifice.
In a preferred embodiments of the present utility model, described down-hole equipment is turbodrill, provides power by turbine in down-hole, and this power part drives bit, and a part drives mixed-flow pump impeller rotation to pressurize to part drilling fluid.
From the above mentioned, turbine mixed-flow well dynamic supercharging drilling tool of the present utility model, when output shaft drives drill bit to rotate broken rock, a part of drilling liquid flow sprays in by second nozzle through flow channels, the second flowing hole, accommodation space and the second jet orifice, at the bottom of clear well, cutting carring; Another part drilling fluid enters the pump housing from the feed liquor of mixed-flow pump, liquid after supercharging flows out from the fluid of mixed-flow pump, and order is penetrated by the first nozzle by the first flowing hole, centre bore, the inner drilling fluid high pressure runner of high pressure alloy pipe and the first jet orifice, carry out waterpower auxiliary rock, realize thus hydraulic combined-breaking rock, improve rate of penetration.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Figure 1A: be the structural representation of the utility model turbine mixed-flow well dynamic supercharging drilling tool one embodiment.
Figure 1B: be B-B place cross-sectional view in Figure 1A.
Fig. 2: be the structural representation of mixed-flow pump impeller in the utility model.
Fig. 3: be the structural representation of existing turbodrill.
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings detailed description of the invention of the present utility model.
As shown in Figure 1A, the utility model proposes a kind of turbine mixed-flow well dynamic supercharging drilling tool 100, described drilling tool includes housing 1, is provided with output shaft 2 in housing 1, described output shaft 2 upper ends are connected with top driver part 6 by shaft coupling, and output shaft 2 bottom fixed covers are provided with drill bit 4; Between described output shaft 2 and housing 1, be provided with drilling fluid flow channels I, output shaft is provided with drilling fluid flow channels 32 in 2 bottoms, output shaft 2 bottoms are provided with the second flowing hole 23, and described drill bit 4 tops are provided with accommodation space 43, and described flow channels I is communicated with by the second flowing hole 23 with accommodation space 43; Drill bit 4 bottoms are provided with the first nozzle 41 and second nozzle 42, and described second nozzle 42 is communicated with accommodation space 43 by the second jet orifice 421 on drill bit; In described output shaft 2, be provided with from bottom to top centre bore 22, centre bore 22 upper ends are provided with multiple the first flowing holes 21 with output shaft 2 outer wall conductings; Between output shaft 2 bottoms and drill bit 4, be connected with high pressure alloy pipe 3, in high pressure alloy pipe 3, be provided with from bottom to top drilling fluid high pressure runner 31; Described centre bore 21 bottoms are communicated with the first nozzle 41 by the first jet orifice 411 on drilling fluid flow channels 31, drill bit; Be positioned on the output shaft 2 of housing 1 and be arranged with a mixed-flow pump 5, the feed liquor place of described mixed-flow pump 5 is communicated with drilling fluid flow channels I, the first flowing hole 21 conductings of the liquid outlet of mixed-flow pump 5 and centre bore 22 upper ends; In the present embodiment, described second nozzle 42 is common low-pressure nozzle, and the first nozzle 41 is high-pressure spray nozzle.By said structure, when output shaft 2 drives drill bit 4 to rotate broken rock, a part of drilling liquid flow through flow channels I, the second flowing hole 23, accommodation space 43 and the second jet orifice 421 by second nozzle 42 in ejection, at the bottom of clear well, cutting carring; Another part drilling fluid enters the pump housing from the feed liquor of mixed-flow pump 5, liquid after supercharging flows out from the fluid of mixed-flow pump 5, and order is penetrated by the first nozzle 41 by the first flowing hole 21, centre bore 22, drilling fluid high pressure runner 31 and the first jet orifice 411, carry out waterpower auxiliary rock, realize thus hydraulic combined-breaking rock, improve rate of penetration.
In the present embodiment, as shown in Figure 1A, described down-hole equipment is turbodrill, and described output shaft 2 upper ends are connected with turbine wheel shaft 63 by shaft coupling 61, turbine wheel shaft 63 is provided with turbine rotor 631, is provided with the turbine stator corresponding with turbine rotor 631 632 in housing 1.When drilling tool work, drilling fluid enters turbine stator 632, turbine stator 632 makes drilling fluid enter turbine rotor 631 by certain direction and speed, drive turbine rotor 631 to rotate, change the liquid energy of drilling fluid into mechanical energy, make turbine wheel shaft 63 rotate and pass to output shaft 2 and make output shaft rotation; Output shaft 2 drives mixed-flow pump 5 to pressurize to part drilling fluid, and pressurized drilling fluid sprays by the first nozzle 41; Meanwhile, output shaft 2 drives drill bit 4 to rotate, and the drilling fluid acting in conjunction that the drill bit 4 of rotation and the first nozzle 41 spray, realizes hydraulic combined-breaking rock, can effectively improve rate of penetration; Process flow channels I, the second flowing hole 23, accommodation space 43 and the second jet orifice 421 are by ejection in second nozzle 42 for not pressurized drilling fluid, and at the bottom of clear well, cutting carring, improves drilling efficiency thus.
Further, described output shaft 2 is provided with radial-thrust bearing 62, and radial-thrust bearing 62 outer rims are provided with the multiple ducts 621 with described drilling fluid flow channels I conducting.
Further, as Fig. 2, in the present embodiment, described mixed-flow pump 5 comprises and is provided with many top impeller 52 and bottom impeller 55, in the time of vane rotary, liquid effects is had to end thrust and centrifugal force, change mechanical energy into part drilling fluid kinetic energy, part drilling fluid is pressurizeed.
Further, in the present embodiment, described mixed-flow pump top impeller 52 and bottom impeller 55 be located at mixed-flow pump 5 pump barrels 54 in; Between described pump barrel 54 and housing 1 inwall, there is annular space O (this annular space O has formed a part of drilling fluid flow channels I); Pump barrel 54 tops, middle part outer rim connect respectively the annular solid 51,53 being fixedly connected with housing 1 inwall; The corresponding described annular space O of described annular solid 51,53 arranges, and is respectively equipped with the first open-work 511,531 of multiple up/down perforations on annular solid 51,53; In the present embodiment, between described annular solid 51 and annular solid 53, be provided with the second adjustment barrel 56.
From the above mentioned, the turbine mixed-flow well dynamic supercharging drilling tool in present embodiment organically combines turbodrill and mixed-flow pump, and a kind of new-type well dynamic supercharging drilling tool of hydraulic combined-breaking rock is provided; When this drilling tool work, drilling fluid enters turbine stator, and turbine stator makes drilling fluid enter turbine rotor by certain direction and speed, drives turbine rotor rotation, change the liquid energy of drilling fluid into mechanical energy, turbine wheel shaft is rotated and pass to output shaft to make output shaft rotation; Output shaft drives the vane rotary of mixed-flow pump, part drilling fluid is pressurizeed, pressurized drilling fluid, by the interior drilling fluid high pressure runner of the first flowing hole, centre bore, high pressure alloy pipe of output shaft, the first jet orifice and the ejection of the first nozzle of drill bit, carries out waterpower auxiliary rock; Meanwhile, output shaft drives bit, and the drilling fluid acting in conjunction of the drill bit of rotation and the ejection of the first nozzle, realizes hydraulic combined-breaking rock, has effectively improved rate of penetration; Process flow channels, the second flowing hole, accommodation space and the second jet orifice are by spraying in second nozzle for not pressurized drilling fluid, and at the bottom of clear well, cutting carring, improves drilling efficiency thus.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the amendment under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (2)
1. a turbine mixed-flow well dynamic supercharging drilling tool, described drilling tool includes housing, is provided with output shaft in housing, and described output shaft upper end is connected with top driver part by shaft coupling, and output shaft bottom fixed cover is provided with drill bit; It is characterized in that: between described output shaft and housing, be provided with drilling fluid flow channels in output shaft bottom, output shaft bottom drilling fluid flow channels is communicated with the accommodation space that drill bit top is provided with; Drill bit bottom is provided with the first nozzle and second nozzle, and described second nozzle is communicated with accommodation space by the second jet orifice on drill bit; In described output shaft, be provided with from bottom to top centre bore, centre bore upper end is provided with multiple the first flowing holes with the conducting of output shaft outer wall, is connected with high pressure alloy pipe between output shaft bottom and drill bit, is provided with from bottom to top drilling fluid high pressure runner in high pressure alloy pipe; Described centre bore bottom is communicated with the first nozzle by drilling fluid high pressure runner, the first jet orifice in high pressure alloy pipe; Be positioned on the output shaft of housing and be arranged with a mixed-flow pump, the feed liquor place of described mixed-flow pump is communicated with drilling fluid flow channels, the first flowing hole conducting of the fluid place of mixed-flow pump and centre bore upper end, the liquid order after supercharging is penetrated by the first nozzle by drilling fluid high pressure runner and the first jet orifice in the first flowing hole, centre bore, high pressure alloy pipe.
2. turbine mixed-flow well dynamic supercharging drilling tool as claimed in claim 1, it is characterized in that: described down-hole equipment is turbodrill, provide power by turbine in down-hole, this power part drives bit, and a part drives mixed-flow pump impeller rotation to pressurize to part drilling fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077089.7U CN203701950U (en) | 2014-02-24 | 2014-02-24 | Turbine mixed-flow type underground power pressurization drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077089.7U CN203701950U (en) | 2014-02-24 | 2014-02-24 | Turbine mixed-flow type underground power pressurization drilling tool |
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| Publication Number | Publication Date |
|---|---|
| CN203701950U true CN203701950U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077089.7U Expired - Fee Related CN203701950U (en) | 2014-02-24 | 2014-02-24 | Turbine mixed-flow type underground power pressurization drilling tool |
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| Country | Link |
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| CN (1) | CN203701950U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355182A (en) * | 2017-09-15 | 2017-11-17 | 长江大学 | A kind of turbine type high-frequency impulse booster |
| CN107701169A (en) * | 2015-04-23 | 2018-02-16 | 中国石油大学(华东) | A kind of drilling engineering mechanical device |
| CN109488206A (en) * | 2018-12-21 | 2019-03-19 | 西南石油大学 | A kind of explosion wave-machinery well drilling and rock crushing device |
| CN118008124A (en) * | 2024-04-09 | 2024-05-10 | 中油昆仑管道工程有限公司 | Large-torque turbine drilling tool |
-
2014
- 2014-02-24 CN CN201420077089.7U patent/CN203701950U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701169A (en) * | 2015-04-23 | 2018-02-16 | 中国石油大学(华东) | A kind of drilling engineering mechanical device |
| CN107355182A (en) * | 2017-09-15 | 2017-11-17 | 长江大学 | A kind of turbine type high-frequency impulse booster |
| CN109488206A (en) * | 2018-12-21 | 2019-03-19 | 西南石油大学 | A kind of explosion wave-machinery well drilling and rock crushing device |
| CN109488206B (en) * | 2018-12-21 | 2023-09-05 | 西南石油大学 | Explosion shock wave-mechanical drilling rock breaking device |
| CN118008124A (en) * | 2024-04-09 | 2024-05-10 | 中油昆仑管道工程有限公司 | Large-torque turbine drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhong Inventor after: Wang Zhihao Inventor before: Wang Zhihao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG ZHIHAO TO: LIU ZHONG WANG ZHIHAO |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170224 |