CN202157747U - Particle impact drilling device for steel particle slurry of direct pump - Google Patents
Particle impact drilling device for steel particle slurry of direct pump Download PDFInfo
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- CN202157747U CN202157747U CN2011202151332U CN201120215133U CN202157747U CN 202157747 U CN202157747 U CN 202157747U CN 2011202151332 U CN2011202151332 U CN 2011202151332U CN 201120215133 U CN201120215133 U CN 201120215133U CN 202157747 U CN202157747 U CN 202157747U
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Abstract
A particle impact drilling device for steel particle slurry of a direct pump is applied to the field of the drilling technology. The particle impact drilling device comprises a drilling system, a steel particle recovery system, a steel particle slurry preparation system and a steel particle slurry injection system. The particle impact drilling device has the effects that high-pressure steel particle slurry is conveyed to a drill bit along with an inner hole of a drilling column; after rushing out of an injection orifice of the drill bit, steel particles are injected to an underground strata at a high speed; and rocks on the strata are broken by the impact force applied by the steel particles moving at a high speed to the strata. The steel particles return to a well mouth along with drilling fluid and enter a vibrating screen through an anti-overflow pipe; particle rock wastes are separated from the drilling fluid by the vibrating screen; a steel particle rock waste mixture enters a magnetic separator; the steel particles enter a demagnetization machine; and the demagnetized steel particles enter a particle slurry tank and are conveyed to the fluid inlet end of a high-pressure particle slurry pump through a particle slurry conveying pump to finish cyclic utilization. The particle impact drilling device is suitable for drilling on the strata with high hardness and strong abrasive property; and the rate of penetrate can be improved by above 70 percent.
Description
Technical field
The utility model relates to the drilling technology field, and particularly particle impacting drilling well is a kind of hardness height, abrasiveness granule impact drilling equipment of the direct pump particle slurry of layer bit speed doughtily that improves.
Background technology
At present, drilling engineering is exactly to dig out through a series of instrument and technology to lead to underground passage.Along with the increase of drilling depth and difficulty, new demand is proposed also drilling technology itself.The stratum that particularly deep-well, ultradeep well hardness are high, abrasiveness is strong, the main difficult point of drilling engineering is that rate of penetration is low, drilling period is long, drilling cost is high.Raising drill bit efficiency of breaking rock, raising bit speed, shortening cycle are the targets that drilling technology is pursued always.
A most important step of drilling engineering is a fractured rock.The required energy of fractured rock is from the face of land, and energy is delivered to the bottom drill bit through drilling fluid, drill string, the directly broken rock of drill bit.The broken rock rock of drill bit mainly applies the pressure of the drill by drill bit rock generation compressive stress and drill bit is rotated the shearing that rock is produced, and under two kinds of active forces, rock cracks, and finished breaking becomes landwaste.Yet along with well depth increases, rock is under two kinds of comprehensive effects of temperature and pressure, and drill bit reduces the crushing efficiency of rock.Particularly to high rigidity, high abrasive stratum, although drill bit adopts new material, new technology, efficiency of breaking rock can't arrive gratifying effect always, and average rate of penetration often is lower than 1m/h.The efficient rock-breaking technology that improves deep-well, high rigidity, high grinding stratum is a drilling well target of seeking.
The abradant jet technology is a kind of New Processing that mechanical industry occurs in the past few decades; Produce high-pressure fluid through high-pressure pump and after nozzle ejection, mix the formation high-pressure abradant jet current with abrasive grain through ejector action; This jet has extremely strong penetrability, and the steel plate thickness that present abradant jet can cut can reach 200mm.Abradant efflux cutting technology extensive use at present metal and nonmetal processing industry.The abradant jet technical application to the drilling technology industry, can be improved hard, the abrasiveness drill bit efficiency of breaking rock of layer doughtily effectively.External this similar abrasive grain drilling technology appears, and indoor and the field trial effect is remarkable, demonstrate this technology and improve that hardness is high, the potentiality of abrasive layer bit speed.The core of abrasive grain drilling well speed-raising technology is the abrasive grain injected system, promptly under the situation of high pressure, in drill string, adds the abrasive grain of high pressure.Many, the system complex of particle injected system structure of current abrasive grain drilling well speed-raising technology, injecting particle simultaneously also must be that this has also increased energy consumption through dried particles.
The utility model content
The purpose of the utility model is: the granule impact drilling rig that a kind of direct pump steel particles slurry is provided; Can directly be injected into the steel particles slurry in the drill string; Steel particles flow to drill hammer with drilling fluid and sprays from jet, can produce formation rock to destroy, and reaches brokenly the purpose of rock.Steel particles behind the impact rock turns back to well head with drilling fluid in annular space; Through vibrosieve, magnetic separator and demagnetizer, realize separating between landwaste and steel particles, steel particles returns the particle stock tank; The final steel particles that formation is to be pumped in particle stock tank slurry recycles steel particles.
The technical scheme that the utility model adopts is: the granule impact drilling rig of direct pump steel particles slurry comprises well system, steel particles slurry injected system, steel particles recovery system and steel particles slurry preparation system.
Well system comprises slurry tank, slush pump, slush pump gage, standpipe, tee junction, hose, water tap, drill string, anti-overflow pipe, granule impact drill bit and vibrosieve.On derrick, be hung with water tap, drill string is arranged at the bottom of water tap, and the lower end of drill string connects the granule impact drill bit, and drill string passes anti-overflow pipe, the down hole annular space of offshore boring island; The outlet of anti-overflow pipe has pipeline to connect the mud entrance of vibrosieve, and mud outlet in vibrosieve bottom has pipeline to connect slurry tank, and particle landwaste pond is arranged at the debris outlet bottom of vibrosieve; Mud outlet at slurry tank has pipeline to connect the inlet of slush pump, and the mud delivery side of pump has high pressure line to connect the lower end of standpipe, and the upper end of standpipe connects tee junction, and the port of export of tee junction connects hose, and the other end of hose is connected on the water tap.It is characterized in that: the outlet in particle landwaste pond is connected with the steel particles recovery system;
The steel particles recovery system comprises magnetic separator and demagnetizer; The import of magnetic separator has pipeline to connect the outlet in particle landwaste pond; The landwaste pond is arranged at the debris outlet bottom of magnetic separator, in the steel particles outlet bottom of magnetic separator the demagnetizer inlet is arranged, and the particle stock tank is arranged at the steel particles outlet bottom of demagnetizer.The main effect of steel particles recovery system is the recycling to steel particles.
Steel particles slurry preparation system comprises particle stock tank, mixer, particle slurry delivery pump, particle charger and make-up water pump; In particle stock tank inside mixer is arranged; Outlet in particle stock tank bottom is connected with the import of particle slurry delivery pump, and particle slurry carries delivery side of pump to have pipeline to connect steel particles slurry injected system; On the top of particle stock tank the particle charger is arranged, the outlet of second mud is arranged at the slurry tank bottom, and second mud outlet of slurry tank is connected with make-up water pump, and the outlet of make-up water pump has pipeline to connect the particle stock tank;
Described steel particles slurry injected system comprises high pressure particle stock pump, one way valve, stop valve and pressure meter, and the import of high pressure particle stock pump has pipeline to connect the particle slurry delivery pump; High pressure particle slurry delivery side of pump has pipeline to connect the steel particles import of tee junction, on the connecting line between high pressure particle stock pump and the tee junction, is fixed with one way valve, stop valve and pressure meter.
The granule impact well system mainly is the granule impact drill bit, and there are difference in this drill bit and common drill bit, and this bit port location layout, cutting teeth, gauge teeth and drill body layout be difference and conventional drill all.Conventional drill is mainly leaned on drill teeth wedging stratum, and it is broken that rock is produced.And the granule impact drill bit mainly leans on the drill bit jet to eject the broken rock of percussion of high velocity particle, and the cutting teeth of granule impact drill bit is mainly used in broken not by the rock of particle erosion.
High pressure particle stock pump is plunger displacement pump or diaphragm pump, and the quantity of high pressure particle stock pump is 1～8, and is parallel with one another.The steel particles slurry that high pressure particle stock pump can convert the steel particles slurry of low pressure to high pressure gets into high pressure line, and high pressure line is connected with tee junction, and one way valve, stop valve and pressure meter are housed on the high pressure line.Manometric effect is to guarantee that the high pressure particle slurry is identical with drilling liquid pressure.One way valve is to prevent that drilling fluid from flowing backward in the high pressure particle stock pump.Stop valve and one way valve can also stop the steel particles injection or start particle injecting according to the field operation needs at any time, promptly begin or stop the steel particles jet drilling.
Summary steel particles percussion drilling process.Consult Fig. 1.The steel particles slurry that configures in the particle stock tank 18 is delivered directly to the low pressure liquid feeding end of high pressure particle stock pump 23 through particle slurry delivery pump 20; 23 groups of high pressure particle stock pumps are forced into the setting high pressure with the steel particles slurry; High pressure steel particles slurry is connected with tee junction 5 through high pressure line, and tee junction 5 two ends in addition is respectively that standpipe 4 is connected with hose 6.High pressure steel particles slurry mixes in tee junction 5 with drilling fluid, and flows to hose 6.Slush pump 2 outlet lines and high pressure particle stock pump 23 outlet lines are equipped with pressure-measuring system respectively, do not have pressure reduction when guaranteeing tee junction 5 high pressure steel particles slurry with drilling fluid mixed.High pressure steel particles slurry and high pressure drilling liquid pass through hose 6, water tap 7, drill string 8 and are transported to downhole drill bit 11, and by drill bit 11 jets with the flank speed impinge upon earth strata.Stratum 12 is broken under the effect of this high-speed steel granule impact, realizes broken rock purpose.Steel particles slurry after the impact is delivered to vibrosieve 13 through annular space 10 to well head bleed off pipe 9 through pipeline.Vibrosieve 13 separates with landwaste steel particles with drilling fluid, drilling fluid directly flows back to slurry tank 1 through pipeline, and steel particles and landwaste get into particle landwaste pond 14.Steel particles separates through magnetic separator 15 with landwaste, separates landwaste entering landwaste pond, back 16 and is used for well logging or nuisanceless processing; The separation of steel particle is through demagnetizer 17 demagnetization, and demagnetizer 17 is decorporated the magnetic of steel particles, avoid steel particles because of its with magnetic cause it to attract each other assembling or be adsorbed on channel wall or be adsorbed on the miscellaneous equipment inner surface.Steel particles after the demagnetization gets into particle stock tank 18, and particle stock tank 18 is furnished with a slurry mixer 19.Add water and add steel particles through particle charger 21 through water injecting pump 22, regulate the parameter of steel particles slurry, mixing back steel particles content ratio usually is 1%～10%.Under the situation of needs, add certain additive and be used to regulate steel particles slurry performance.Steel particles slurry performance meets the demands after adjustment, is transported to high pressure particle stock pump 23 through particle slurry delivery pump 20 and carries out recycle once more.
The beneficial effect of the utility model: the granule impact drilling rig of the direct pump steel particles slurry of the utility model; Can utilize the high pressure particle slurry with the high velocity jet stratum; The steel particles of high-speed motion makes formation rock broken to the impact force on stratum; The broken remaining rock of jet bit cutting teeth is realized efficient rock-breaking, and rate of penetration can improve more than 70%.
Description of drawings
Fig. 1 is the granule impact drilling rig sketch map of the direct pump steel particles slurry of the utility model.
Among the figure, the 1-slurry tank; The 2-slush pump; The 3-slush pump gage; The 4-standpipe; The 5-tee junction; The 6-hose; The 7-water tap; The 8-drill string; The 9-anti-overflow pipe; The 10-annular space; 11-granule impact drill bit; The 12-stratum; The 13-vibrosieve; 14-particle landwaste pond; The 15-magnetic separator; 16-landwaste pond; The 17-demagnetizer; 18-particle stock tank; The 19-mixer; 20-particle slurry delivery pump; 21-particle charger; The 22-make-up water pump; 23-high pressure particle stock pump; The 24-one way valve; The 25-stop valve; The 26-pressure meter.
The specific embodiment
Embodiment 1: the granule impact drilling rig with a direct pump steel particles slurry is an example, and the utility model is done further explain.
Consult Fig. 1.The granule impact drilling rig of the direct pump steel particles slurry of the utility model comprises well system, steel particles recovery system, steel particles slurry preparation system and steel particles slurry injected system.
Well system comprises slurry tank 1, slush pump 2, slush pump gage 3, standpipe 4, tee junction 5, hose 6, water tap 7, drill string 8, anti-overflow pipe 9, granule impact drill bit 11 and vibrosieve 13.On derrick, be hung with water tap 7, drill string 8 is arranged at the bottom of water tap 7, and the lower end of drill string 8 connects granule impact drill bit 11, and drill string 8 passes anti-overflow pipe 9, the down hole annular space 10 of offshore boring island.The outlet of anti-overflow pipe 9 has pipeline to connect the mud entrance of vibrosieve 13, and vibrosieve 13 bottom mud outlets have pipeline to connect slurry tank 1, and particle landwaste pond 14 is arranged at the debris outlet bottom of vibrosieve 13.Mud outlet at slurry tank 1 has pipeline to connect the inlet of slush pump 2; The outlet of slush pump 2 has high pressure line to connect the lower end of standpipe 4; The upper end of standpipe 4 connects tee junction 5, and the port of export of tee junction 5 connects hose 6, and the other end of hose 6 is connected on the water tap 7.The outlet in particle landwaste pond 14 is connected with the steel particles recovery system.
The steel particles recovery system comprises magnetic separator 15 and demagnetizer 17; The import of magnetic separator 15 has pipeline to connect the outlet in particle landwaste pond 14; Landwaste pond 16 is arranged at the debris outlet bottom of magnetic separator 15; Demagnetizer 17 inlets are arranged at the steel particles outlet bottom at magnetic separator 15, and particle stock tank 18 is arranged at the steel particles outlet bottom of demagnetizer 17.
Steel particles slurry preparation system comprises particle stock tank 18, mixer 19, particle slurry delivery pump 20, particle charger 21 and make-up water pump 22; In particle stock tank 18 inside mixer 19 is arranged; Outlet in particle stock tank 18 bottoms is connected with the import of particle slurry delivery pump 20, and the outlet of particle slurry delivery pump 20 has pipeline to connect steel particles slurry injected system.On the top of particle stock tank 18 particle charger 21 is arranged, the outlet of second mud is arranged at slurry tank 1 bottom, and second mud outlet of slurry tank 1 is connected with make-up water pump 22, and the outlet of make-up water pump 22 has pipeline to connect particle stock tank 18.
Steel particles slurry injected system comprises high pressure particle stock pump 23, one way valve 24, stop valve 25 and pressure meter 26, and high pressure particle stock pump 23 adopts two diaphragm pumps, two diaphragm pump parallel connections.The import (feed end) of high pressure particle stock pump 23 has pipeline to connect particle slurry delivery pump 20; The outlet (drain side) of high pressure particle stock pump 23 has pipeline to connect the steel particles import of tee junction 5, on the connecting line between high pressure particle stock pump 23 and the tee junction 5, is fixed with an one way valve 24, a stop valve 25 and a pressure meter 26.
Claims (2)
1. the granule impact drilling rig of a direct pump steel particles slurry comprises well system, steel particles recovery system, steel particles slurry preparation system and steel particles slurry injected system;
Well system comprises slurry tank (1), slush pump (2), slush pump gage (3), standpipe (4), tee junction (5), hose (6), water tap (7), drill string (8), anti-overflow pipe (9), granule impact drill bit (11) and vibrosieve (13); On derrick, be hung with water tap (7), drill string (8) is arranged at the bottom of water tap (7), and the lower end of drill string (8) connects granule impact drill bit (11), and drill string (8) passes anti-overflow pipe (9), down hole annular space (10) of offshore boring island; The outlet of anti-overflow pipe (9) has pipeline to connect the mud entrance of vibrosieve (13), and mud outlet in vibrosieve (13) bottom has pipeline to connect slurry tank (1), and particle landwaste pond (14) is arranged at the debris outlet bottom of vibrosieve (13); Mud outlet at slurry tank (1) has pipeline to connect the inlet of slush pump (2); The outlet of slush pump (2) has high pressure line to connect the lower end of standpipe (4); The upper end of standpipe (4) connects tee junction (5); The port of export of tee junction (5) connects hose (6), and the other end of hose (6) is connected on the water tap (7); It is characterized in that: the outlet in particle landwaste pond (14) is connected with the steel particles recovery system;
The steel particles recovery system comprises magnetic separator (15) and demagnetizer (17); The import of magnetic separator (15) has pipeline to connect the outlet in particle landwaste pond (14); Landwaste pond (16) is arranged at the debris outlet bottom of magnetic separator (15); Demagnetizer (17) inlet is arranged at the steel particles outlet bottom at magnetic separator (15), and particle stock tank (18) is arranged at the steel particles outlet bottom of demagnetizer (17);
Steel particles slurry preparation system comprises particle stock tank (18), mixer (19), particle slurry delivery pump (20), particle charger (21) and make-up water pump (22); In particle stock tank (18) inside mixer (19) is arranged; Outlet in particle stock tank (18) bottom is connected with the import of particle slurry delivery pump (20), and the outlet of particle slurry delivery pump (20) has pipeline to connect steel particles slurry injected system; On the top of particle stock tank (18) particle charger (21) is arranged, the outlet of second mud is arranged at slurry tank (1) bottom, and second mud outlet of slurry tank (1) is connected with make-up water pump (22), and the outlet of make-up water pump (22) has pipeline to connect particle stock tank (18);
Described steel particles slurry injected system comprises high pressure particle stock pump (23), one way valve (24), stop valve (25) and pressure meter (26), and the import of high pressure particle stock pump (23) has pipeline to connect particle slurry delivery pump (20); The outlet of high pressure particle stock pump (23) has pipeline to connect the steel particles import of tee junction (5), on the connecting line between high pressure particle stock pump (23) and the tee junction (5), is fixed with one way valve (24), stop valve (25) and pressure meter (26).
2. the granule impact drilling rig of direct pump steel particles slurry according to claim 1; It is characterized in that: described high pressure particle stock pump (23) is plunger displacement pump or diaphragm pump; The quantity of high pressure particle stock pump (23) is 1～8, and 1～8 high pressure particle stock pump (23) is parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202151332U CN202157747U (en) | 2011-06-23 | 2011-06-23 | Particle impact drilling device for steel particle slurry of direct pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202151332U CN202157747U (en) | 2011-06-23 | 2011-06-23 | Particle impact drilling device for steel particle slurry of direct pump |
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| CN202157747U true CN202157747U (en) | 2012-03-07 |
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| CN2011202151332U Expired - Lifetime CN202157747U (en) | 2011-06-23 | 2011-06-23 | Particle impact drilling device for steel particle slurry of direct pump |
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Cited By (10)
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| CN103774991A (en) * | 2012-10-17 | 2014-05-07 | 中国石油天然气集团公司 | Shaft bottom particle injection drilling speed increasing tool |
| CN104358517A (en) * | 2014-11-20 | 2015-02-18 | 陈元 | High-pressure jet flow drilling system containing solid-phase grinding particles |
| CN105041214A (en) * | 2015-07-09 | 2015-11-11 | 四川川庆石油钻采科技有限公司 | Double-injection-pump continuous injection method suitable for particle drilling |
| CN105715211A (en) * | 2016-03-09 | 2016-06-29 | 中国石油大学(华东) | Comprehensive experimental facility for breaking rocks with steel particle jet impact |
| CN106321032A (en) * | 2016-11-11 | 2017-01-11 | 中国石油大学(华东) | Downhole particle jet perforation device |
| CN106368631A (en) * | 2016-10-28 | 2017-02-01 | 中国石油大学(华东) | Underground well bottom cleaning and chambering device |
| CN107217989A (en) * | 2017-06-12 | 2017-09-29 | 中国石油天然气股份有限公司 | Deep water injection drilling process simulation experimental provision |
| CN108049814A (en) * | 2017-12-08 | 2018-05-18 | 长江大学 | A kind of drilling tool for injecting simultaneously circulating particle |
| CN109488317A (en) * | 2018-11-27 | 2019-03-19 | 中铁工程装备集团有限公司 | Utilize the novel complete-section tunnel boring machine of high-velocity particles rock fracture in dynamic indentation |
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- 2011-06-23 CN CN2011202151332U patent/CN202157747U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103774991B (en) * | 2012-10-17 | 2016-06-08 | 中国石油天然气集团公司 | Shaft bottom particle injection drilling speed instrument |
| CN103774991A (en) * | 2012-10-17 | 2014-05-07 | 中国石油天然气集团公司 | Shaft bottom particle injection drilling speed increasing tool |
| CN104358517A (en) * | 2014-11-20 | 2015-02-18 | 陈元 | High-pressure jet flow drilling system containing solid-phase grinding particles |
| CN105041214A (en) * | 2015-07-09 | 2015-11-11 | 四川川庆石油钻采科技有限公司 | Double-injection-pump continuous injection method suitable for particle drilling |
| WO2017005216A1 (en) * | 2015-07-09 | 2017-01-12 | 四川川庆石油钻采科技有限公司 | Double-injection-pump continuous injection method suitable for particle-impact drilling |
| CN105715211B (en) * | 2016-03-09 | 2018-03-02 | 中国石油大学(华东) | Steel grit jet impulse broken rock comprehensive experimental device |
| CN105715211A (en) * | 2016-03-09 | 2016-06-29 | 中国石油大学(华东) | Comprehensive experimental facility for breaking rocks with steel particle jet impact |
| CN106368631A (en) * | 2016-10-28 | 2017-02-01 | 中国石油大学(华东) | Underground well bottom cleaning and chambering device |
| CN106321032A (en) * | 2016-11-11 | 2017-01-11 | 中国石油大学(华东) | Downhole particle jet perforation device |
| CN107217989A (en) * | 2017-06-12 | 2017-09-29 | 中国石油天然气股份有限公司 | Deep water injection drilling process simulation experimental provision |
| CN107217989B (en) * | 2017-06-12 | 2020-05-08 | 中国石油天然气股份有限公司 | Deepwater jet drilling process simulation experiment device |
| CN108049814A (en) * | 2017-12-08 | 2018-05-18 | 长江大学 | A kind of drilling tool for injecting simultaneously circulating particle |
| CN108049814B (en) * | 2017-12-08 | 2019-04-30 | 长江大学 | A kind of drilling tool injecting simultaneously circulating particle |
| CN109488317A (en) * | 2018-11-27 | 2019-03-19 | 中铁工程装备集团有限公司 | Utilize the novel complete-section tunnel boring machine of high-velocity particles rock fracture in dynamic indentation |
| CN111594031A (en) * | 2020-04-13 | 2020-08-28 | 张�林 | A injection formula drilling equipment for soft soil foundation handles |
| CN111594031B (en) * | 2020-04-13 | 2021-10-01 | 上海九丞岩土科技有限公司 | A injection formula drilling equipment for soft soil foundation handles |
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Granted publication date: 20120307 |
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