CN105239927A - Piston type continuous particle injection system - Google Patents
Piston type continuous particle injection system Download PDFInfo
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- CN105239927A CN105239927A CN201510712264.4A CN201510712264A CN105239927A CN 105239927 A CN105239927 A CN 105239927A CN 201510712264 A CN201510712264 A CN 201510712264A CN 105239927 A CN105239927 A CN 105239927A
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Abstract
The invention belongs to the technical field of petroleum drilling engineering, and in particular, relates to a piston type continuous particle injection system. The system comprises crank connecting rod devices, piston devices, a power device and a feeding device, wherein each crank connecting rod device comprises a crank and a rotating shaft; one end of each crank coats the corresponding rotating shaft, and the other end is connected with the corresponding piston device; the rotating shafts are connected with the power device; each piston device comprises a piston cylinder; a piston is arranged in the piston cylinder, and is connected with a piston rod; each piston rod is connected with the corresponding crank; the tail end of each piston cylinder is connected with the feeding device; and the feeding device is communicated with a drilling liquid high-pressure main pipe. The system adopts two sets of identical crank connecting rod devices and piston devices; the two sets of devices synchronously operate and alternately work; under the condition of not changing the pressure of the high-pressure main pipe, particles with fixed concentration are always kept in the pipe, so that the continuous injection of the particles is really realized; the system can continuously work for a long time, so that the working efficiency is improved; and meanwhile, the system reduces the range of a high-pressure operation area.
Description
Technical field
The present invention relates to the continuous injected system of a kind of piston type particle, belong to petroleum drilling engineering technical field.
Background technology
Particle impact drilling technology is one of effective way improving deep-well, ultradeep well and hard formation bit speed, particle injection device is with certain speed by steel particle, being injected into continuously in cleaner for high-pressure drilling fluid, is prerequisite and the key of particle impact drilling technology realization.
At present, what domestic and international existing particle injection device still can not be real realize particle stable, evenly, continuously inject.There is pressure transient, inject the shortcomings such as uneven in negative-pressure ejecting formula particle injected system; Spiral squeezing type particle injected system sealing is poor, and serious wear, thus limit it and apply; Spiralism type particle injected system exists that vane is fragile, the shortcoming such as more of generating heat.Above-mentioned situation seriously constrains the process of industrialization of particle impact drilling technology, and particle injection device Problems existing is badly in need of solving.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of rational in infrastructure, safe and reliable, really realize the continuous injected system of piston type particle of the object that particle injects continuously.
The continuous injected system of piston type particle of the present invention, comprise crank connecting rod apparatus, piston apparatus, power set and feeding device, crank connecting rod apparatus comprises crank and rotating shaft, and crank one end is sleeved in rotating shaft, the other end connects piston apparatus, rotating shaft connecting power device, piston apparatus comprises piston rod, arranges piston in piston rod, piston connects piston rod, piston rod connecting crank, piston rod end connects into materials device, and feeding device converges with drilling fluid high voltage charge and is communicated with.
The mixed slurry of particle and drilling fluid joins feeding device, and particle is drawn in piston rod by piston, after piston completes recovery motion, under the drive that crank rotates, does ahead running, thus particle is injected into the remittance of drilling fluid high voltage charge.Native system can adopt two cover crank connecting rod apparatus and piston apparatus, two covering devices run simultaneously, alternation, namely while set of device absorbing particle, another set of device injects particle, inject particle at once after having absorbed particle, another set of device inject particle terminate after absorbing particle at once, thus realize the continuity that particle injects.
Rotating shaft is connected with power set, thus obtains power and rotarily drive crank rotation by rotating shaft; Described crank moves reciprocatingly by rotarily driving piston rod; Piston rod is the device storing particle in the suction and injection process of particle; Described piston is the most on-line equipment injecting particle, and piston does linear reciprocating motion under the drive of piston rod, thus particle is drawn into from feeding device piston rod, and is injected into during drilling fluid high voltage charge converges.
Described feeding device comprises hopper, feed hopper bottom arranges particle manifold, and particle manifold is communicated with normal pressure manifold respectively by tube connector, and normal pressure manifold one end is communicated with piston rod respectively, the other end converges with drilling fluid high voltage charge respectively and is communicated with, and is particulate emissions mouth bottom particle manifold.
Described drilling fluid high voltage charge arranges the first stop valve and the second stop valve on converging, tube connector is arranged the 3rd stop valve, normal pressure manifold is arranged the first one way valve and the second one way valve, first stop valve is between tube connector and hopper, second stop valve is positioned at below tube connector, 3rd stop valve is between particle manifold and normal pressure manifold, and the first one way valve is between piston rod and tube connector, and the second one way valve is between tube connector and drilling fluid high voltage charge converge.Stop valve controls the flowing of drilling fluid and particle by the opening and closing of self; Described one way valve controls the direction of drilling fluid and particle flow, prevents particle from refluxing.
The arrival end that described drilling fluid high voltage charge converges connects drilling fluid pump, and drilling fluid pump connects drilling fluid pot.
Described power set are set to motor, arrange reduction box between motor and rotating shaft.
The invention has the beneficial effects as follows:
Adopt the two identical crank connecting rod apparatus of cover and piston apparatus, two covering devices run simultaneously, alternation, under the condition not changing high voltage charge remittance pressure, remain the particle of fixed concentration in manifold, the real particle that realizes injects continuously, can long time continuous working, increase work efficiency; Meanwhile, this system decreases the scope in operations involving high pressure district.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of crank connecting rod apparatus and piston apparatus.
Fig. 3 is the structural representation of piston apparatus.
Fig. 4 is the structural representation of feeding device.
In figure: 1, motor 2, drilling fluid pot 3, drilling fluid pump 4, hopper 5, support 6, particle manifold 7, drilling fluid high voltage charge remittance 8, piston rod 9, crank 10, rotating shaft 11, reduction box 12, piston rod 13, piston 14, first stop valve 15, second one way valve 16, second stop valve 17, first one way valve 18, the 3rd stop valve 19, tube connector 20, normal pressure manifold.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1 to 4, the continuous injected system of piston type particle of the present invention, comprise crank connecting rod apparatus, piston apparatus, power set and feeding device, crank connecting rod apparatus comprises crank 9 and rotating shaft 10, crank 9 one end is sleeved in rotating shaft 10, the other end connects piston apparatus, rotating shaft 10 connecting power device, piston apparatus comprises piston rod 8, arrange piston 13 in piston rod 8, piston 13 connects piston rod 12, piston rod 12 connecting crank 9, piston rod 8 end connects into materials device, and feeding device and drilling fluid high voltage charge converge and 7 to be communicated with.Feeding device comprises hopper 4, hopper 4 is supported by support 5, particle manifold 6 is set bottom hopper 4, particle manifold 6 is communicated with normal pressure manifold 20 respectively by tube connector 19, normal pressure manifold 20 one end is communicated with piston rod 8 respectively, the other end converges with drilling fluid high voltage charge respectively and 7 to be communicated with, and is particulate emissions mouth bottom particle manifold 6.Drilling fluid high voltage charge remittance 7 arranges the first stop valve 14 and the second stop valve 16, tube connector 19 is arranged the 3rd stop valve 18, normal pressure manifold 20 is arranged the first one way valve 17 and the second one way valve 15, first stop valve 14 is between tube connector 19 and hopper 4, second stop valve 16 is positioned at below tube connector 19,3rd stop valve 18 is between particle manifold 6 and normal pressure manifold 20, first one way valve 17 is between piston rod 8 and tube connector 19, and the second one way valve 15 converges between 7 at tube connector 19 and drilling fluid high voltage charge.The arrival end of drilling fluid high voltage charge remittance 7 connects drilling fluid pump 3, and drilling fluid pump 3 connects drilling fluid pot 2.Power set are set to motor 1, arrange reduction box 11 between motor 1 and rotating shaft 10.
The mixed slurry of particle and drilling fluid joins feeding device, and particle is drawn in piston rod 8 by piston 13, after piston 13 completes recovery motion, under the drive that crank 9 rotates, does ahead running, thus particle is injected into drilling fluid high voltage charge remittance 7.Native system can adopt two cover crank connecting rod apparatus and piston apparatus, two covering devices run simultaneously, alternation, namely while set of device absorbing particle, another set of device injects particle, inject particle at once after having absorbed particle, another set of device inject particle terminate after absorbing particle at once, thus realize the continuity that particle injects.
Concrete operating procedure is:
The first step: particle is joined in hopper 4, for subsequent use;
Second step: open drilling fluid pump 3, is transported to the drilling fluid in drilling fluid pot 2 in drilling fluid high voltage charge remittance 7, makes pressure stability;
3rd step: after drilling fluid high voltage charge converges 7 pressure stabilitys, opens the first stop valve 14, the 3rd stop valve 18, makes particle from hopper 4, flow through the first one way valve 17 respectively and enters normal pressure manifold 20;
4th step: open motor 1, drive crank 9 to rotate by rotating shaft 10, when just starting working, crank 9 drives piston 13 to do by piston rod 12 and reclaims motion, Inhaled Particles After Acute; Crank 9 drives piston 13 to do ahead running injection particle by piston rod 12; Two covering devices complete respective absorption and inject alternation, realize injecting continuously;
By above-mentioned 4 flow processs, just can realize continuously, equably particle is injected in drilling fluid high voltage charge remittance 7, inject pit shaft.
Claims (5)
1. the continuous injected system of piston type particle, it is characterized in that: comprise crank connecting rod apparatus, piston apparatus, power set and feeding device, crank connecting rod apparatus comprises crank (9) and rotating shaft (10), crank (9) one end is sleeved in rotating shaft (10), the other end connects piston apparatus, rotating shaft (10) connecting power device, piston apparatus comprises piston rod (8), piston (13) is set in piston rod (8), piston (13) connects piston rod (12), piston rod (12) connecting crank (9), piston rod (8) end connects into materials device, feeding device converge with drilling fluid high voltage charge (7) be communicated with.
2. the continuous injected system of piston type particle according to claim 1, it is characterized in that: feeding device comprises hopper (4), hopper (4) bottom arranges particle manifold (6), particle manifold (6) is communicated with normal pressure manifold (20) respectively by tube connector (19), normal pressure manifold (20) one end is communicated with piston rod (8) respectively, the other end converge with drilling fluid high voltage charge respectively (7) be communicated with, particle manifold (6) bottom be particulate emissions mouth.
3. the continuous injected system of piston type particle according to claim 2, it is characterized in that: drilling fluid high voltage charge remittance (7) arranges the first stop valve (14) and the second stop valve (16), tube connector (19) is arranged the 3rd stop valve (18), normal pressure manifold (20) is arranged the first one way valve (17) and the second one way valve (15), first stop valve (14) is positioned between tube connector (19) and hopper (4), second stop valve (16) is positioned at tube connector (19) below, 3rd stop valve (18) is positioned between particle manifold (6) and normal pressure manifold (20), first one way valve (17) is positioned between piston rod (8) and tube connector (19), second one way valve (15) is positioned at tube connector (19) and drilling fluid high voltage charge converges between (7).
4. the continuous injected system of piston type particle according to claim 1, it is characterized in that: the arrival end of drilling fluid high voltage charge remittance (7) is provided with drilling fluid pump (3), drilling fluid pump (3) connects drilling fluid pot (2).
5. the continuous injected system of piston type particle according to claim 1, is characterized in that: power set are set to motor (1), arranges reduction box (11) between motor (1) and rotating shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712264.4A CN105239927B (en) | 2015-10-28 | 2015-10-28 | Piston type particle is continuously injected into system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712264.4A CN105239927B (en) | 2015-10-28 | 2015-10-28 | Piston type particle is continuously injected into system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105239927A true CN105239927A (en) | 2016-01-13 |
| CN105239927B CN105239927B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510712264.4A Expired - Fee Related CN105239927B (en) | 2015-10-28 | 2015-10-28 | Piston type particle is continuously injected into system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200084A1 (en) * | 2004-07-22 | 2009-08-13 | Particle Drilling Technologies, Inc. | Injection System and Method |
| US20090200080A1 (en) * | 2003-04-16 | 2009-08-13 | Tibbitts Gordon A | Impact excavation system and method with particle separation |
| CN104763334A (en) * | 2015-02-06 | 2015-07-08 | 中国石油大学(华东) | Automatic pressure compensating type differential-pressure ejecting continuous particle injecting device and method |
| CN104975809A (en) * | 2015-07-09 | 2015-10-14 | 四川川庆石油钻采科技有限公司 | Environment-protection circulating system suitable for well drilling |
-
2015
- 2015-10-28 CN CN201510712264.4A patent/CN105239927B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200080A1 (en) * | 2003-04-16 | 2009-08-13 | Tibbitts Gordon A | Impact excavation system and method with particle separation |
| US20090200084A1 (en) * | 2004-07-22 | 2009-08-13 | Particle Drilling Technologies, Inc. | Injection System and Method |
| CN104763334A (en) * | 2015-02-06 | 2015-07-08 | 中国石油大学(华东) | Automatic pressure compensating type differential-pressure ejecting continuous particle injecting device and method |
| CN104975809A (en) * | 2015-07-09 | 2015-10-14 | 四川川庆石油钻采科技有限公司 | Environment-protection circulating system suitable for well drilling |
Non-Patent Citations (1)
| Title |
|---|
| 徐依吉: "双柱塞式粒子冲击钻井注入系统设计", 《石油机械》 * |
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| CN105239927B (en) | 2017-09-26 |
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