CN202391422U - Suction-type high-pressure physical property sampler - Google Patents
Suction-type high-pressure physical property sampler Download PDFInfo
- Publication number
- CN202391422U CN202391422U CN2011204859779U CN201120485977U CN202391422U CN 202391422 U CN202391422 U CN 202391422U CN 2011204859779 U CN2011204859779 U CN 2011204859779U CN 201120485977 U CN201120485977 U CN 201120485977U CN 202391422 U CN202391422 U CN 202391422U
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- high pressure
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Abstract
The utility model relates to a suction-type high-pressure physical property sampler, in order to solve the problem of sample pollution of a conventional sampler. The suction-type high-pressure physical property sampler comprises a sampling barrel; the sampling barrel is internally provided with a piston mechanism. Before the sampler reaches the sampling depth, the sampling barrel is always closed, and when the sampler reaches the sampling depth, the sampling barrel is opened for sampling, and after a sample with specified capacity is taken, the sampling barrel is closed, thereby ensuring that the sampling barrel is filled with samples with specified depth, and the sample pollution problem of the conventional high-pressure sampler is solved.
Description
Technical field
The utility model relates to a kind of oil field high pressure physical property sample instrument commonly used, is specifically related to a kind of suction-type high pressure physical property sample device.
Background technology
The oil gas well carries out oil (gas) high pressure physical property sample to reservoir in formation testing (gas) process, be the method that conventional formation testing (gas) is generally adopted.Through to the reservoir high pressure physical property sample, carry out the P.V.T. assay on ground, obtain the first hand data of reservoir, developing for the further production of reservoir provides theoretical foundation, helps to confirm oilfield development program, the rate of oil and gas recovery, production forecast and production equipment.
The high pressure physical property sample device of present domestic use all is conventional inflow type sampler.Inflow type sampler the forefathers that go into the well for opening appearance tube; Interior liquid (gas) body of back pit shaft of going into the well promptly is full of the appearance tube; After the purpose degree of depth that arrival will be taken a sample, lean on flowing of purpose depth samples to replace original other degree of depth objects in the appearance tube, only accomplish closing motion during sampling.This inflow type sampler frame for movement is simple, but has the sample contamination problem, possibly comprise the object of other degree of depth in the sample of getting up; And bigger in crude oil viscosity, in containing the well of paraffin, use limited.
Summary of the invention
The utility model purpose is to solve routine sampling device sample contamination problem, has designed a kind of suction-type sampler.This sampler appearance tube before arriving depth selection is closed condition always; Open again behind the arrival depth selection and take a sample; Close again after getting the sample of designated capabilities, guaranteed to be the sample of designated depth entirely in the appearance tube, solved the sample contamination problem of conventional high pressure sampler.
The technical solution of the utility model is:
A kind of suction-type high pressure physical property sample device comprises sampling tube, is provided with piston mechanism in the above-mentioned sampling tube.
Above-mentioned piston mechanism comprises piston and the piston rod that is slidingly matched, and above-mentioned piston rod is fixed in the sampling tube.
Above-mentioned piston mechanism also comprises needle-valve body assembly and position-limit mechanism, and above-mentioned piston rod middle and upper part is fixed with position-limit mechanism, and piston-rod lower end is connected with the needle-valve body assembly.
Above-mentioned suction-type high pressure physical property sample device also comprises the application cylinder that is connected with sampling tube, is provided with circuit controlling organization and transmission mechanism in the above-mentioned application cylinder, and the foregoing circuit controlling organization is through the transmission mechanism control piston motion.
Above-mentioned transmission mechanism comprises motor reducer assembly, ball-screw, feed screw nut; Above-mentioned motor reducer assembly is electrically connected with the circuit controlling organization; Above-mentioned ball-screw upper end is connected with the motor reducer assembly; The application cylinder bottom is fixed in the lower end, and feed screw nut is enclosed within on the ball-screw and is fixedly connected with piston simultaneously.
Above-mentioned transmission mechanism also comprises trigger switch, and above-mentioned trigger switch and piston or feed screw nut or piston rod are connected.
Be rigidly connected through moving part between above-mentioned feed screw nut and the piston.
The foregoing circuit controlling organization comprises power supply module and is used to control the circuit control panel of transmission mechanism work that circuit control panel is connected with the motor reducer electrical component.
The advantage of the utility model is:
(1) the utility model is compared with quasi-instrument with domestic other, before arriving depth selection, closes always, after arriving depth selection, takes a sample, and guarantees the accuracy that sample is pure and take a sample;
(2) the utility model mode of adopting piston to extract is taken a sample, and no matter the pressure size of sample point can be taken a sample, and domestic other reach the certain pressure condition with sampling place of quasi-instrument general requirements and just can take a sample;
(3) the utility model can carry out ground very soon and change the appearance operation after sampling is accomplished, and domesticly can't realize basically that with quasi-instrument ground changes appearance.
Description of drawings
Fig. 1 is the structural representation of suction-type sampler.
Wherein: the 1-upper plug head; The 2-top connection; The 3-power supply module; The 4-circuit control panel; 5-motor reducer assembly; The 6-trigger switch; The 7-ball-screw; The 8-feed screw nut; The 9-moving part; The 10-block; The 11-sampling tube; The 12-piston rod; The 13-piston; 14-needle-valve body assembly; The 15-lower end cap; The 16-inlet.
The specific embodiment
Structure below in conjunction with 1 pair of the utility model of accompanying drawing is described:
A kind of suction-type high pressure physical property sample device comprises sampling tube 11, is provided with piston mechanism in the said sampling tube 11.
Said piston mechanism comprises the piston 13 and piston rod 12 that is slidingly matched, and piston rod 12 upper ends are fixed in the sampling tube 11, and said circuit controlling organization is through 13 motions of transmission mechanism control piston;
Said piston mechanism also comprises known needle-valve body assembly 14 and position-limit mechanism, and said piston rod middle and upper part is fixed with position-limit mechanism, and piston rod 12 lower ends are connected with needle-valve body assembly 14.Said position-limit mechanism is that block 10 or alignment pin or other are used for stopping the mechanism that piston 13 continues to go up mutually motion.
Said suction-type high pressure physical property sample device also comprises with sampling tube 11 and is connected application cylinder, is provided with circuit controlling organization and transmission mechanism in the said application cylinder, and said circuit controlling organization is through 13 motions of transmission mechanism control piston.
Said transmission mechanism comprises known motor reducer assembly 5, ball-screw 7 and feed screw nut 8; Said motor reducer assembly 5 is electrically connected with the circuit controlling organization; Said ball-screw 7 upper ends are connected with motor reducer assembly 5; The application cylinder bottom is fixed in ball-screw 7 lower ends, and feed screw nut 8 is enclosed within on the ball-screw 7 and is fixedly connected with piston 13 through moving part 9 simultaneously.
Said transmission mechanism also comprises trigger switch 6, and said trigger switch 6 and piston 13 or feed screw nut 8 or piston rod 12 are connected.
Said circuit controlling organization adopts the prior art means, includes power supply module 3 and is used to control the circuit control panel 4 of transmission mechanism work, and circuit control panel 4 is electrically connected with motor reducer assembly 5.Circuit control panel 4 control motor reducer assemblies 5 energized assemblies 3, said circuit control panel 4 is electrically connected with motor reducer assembly 5.The control signal that motor reducer assembly 5 receiving circuit control panels 4 send is also passed through ball-screw 7, the motion of feed screw nut 8 realization pistons 13 in the vertical directions;
This sampler also comprises upper plug head 1, top connection 2, lower end cap 15.Upper plug head 1 is connected with power supply module 3 through top connection 2, and sampling tube 11 lower ends are connected with lower end cap 15.
Below the concrete course of work of this utility model is described:
Sampling tube 11 is closed condition before the sampling, and promptly piston 13, needle-valve body assembly 14 are positioned at sampling tube 11 bottoms, and piston 13 is blocked inlet 16, and before arriving the sample position, motor reducer assembly 5 does not turn round; Instrument is transferred to the depth location that need take a sample in the down-hole through steel wire or cable, under the control of circuit control panel 4, and motor reducer assembly 5 energized assemblies 3; Entry into service after slowing down, transmits torque on the ball-screw 7; After ball-screw 7 rotates, feed screw nut 8 will rotatablely move and be converted into rectilinear motion, slowly up move from the lower end of ball-screw 7; At this moment; Slowly move upward with the moving part 9 drive pistons 13 that feed screw nut 8 is connected with piston 13, inlet 16 is opened, and the outer liquid of instrument is inhaled in the sampling tube 11; When piston 13 continues to move upward, touch the block 10 of piston rod 12 front ends, so driving needle-valve body assembly 14, piston rod 12 moves upward with piston 13; Behind motion one segment distance; Piston or feed screw nut or piston rod touch trigger switch 6 through elastomeric element, and inlet 16 is blocked by needle-valve body assembly 14, can't feed liquor; Motor reducer assembly 5 shuts down simultaneously, and sampling process is accomplished.
Adopt dismountable connected mode between sampling tube 11 and the application cylinder, be convenient to sampling tube 11 is unloaded the transfer sample, can carry out ground very soon and change the appearance operation.
The utility model can adopt mechanical system to realize closing of motor reducer assembly 5 through touching trigger switch, can also realize closing of motor reducer assembly 5 through the circuit controlling organization.
By the way, sampling tube 11 seals fully before the sampling, and arrival sampling target zone is opened inlet 16 behind the position again, and feed liquor is closed after accomplishing again, guarantees that sample is pollution-free.
Claims (8)
1. a suction-type high pressure physical property sample device comprises sampling tube, it is characterized in that: be provided with piston mechanism in the said sampling tube.
2. a kind of suction-type high pressure physical property sample device according to claim 1, it is characterized in that: said piston mechanism comprises piston and the piston rod that is slidingly matched, and said piston rod is fixed in the sampling tube.
3. a kind of suction-type high pressure physical property sample device according to claim 2, it is characterized in that: said piston mechanism also comprises needle-valve body assembly and position-limit mechanism, and said piston rod middle and upper part is fixed with position-limit mechanism, and piston-rod lower end is connected with the needle-valve body assembly.
4. a kind of suction-type high pressure physical property sample device according to claim 1; It is characterized in that: said suction-type high pressure physical property sample device also comprises the application cylinder that is connected with sampling tube; Be provided with circuit controlling organization and transmission mechanism in the said application cylinder, said circuit controlling organization is through the transmission mechanism control piston motion.
5. a kind of suction-type high pressure physical property sample device according to claim 4; It is characterized in that: said transmission mechanism comprises motor reducer assembly, ball-screw, feed screw nut; Said motor reducer assembly is electrically connected with the circuit controlling organization; Said ball-screw upper end is connected with the motor reducer assembly, and the application cylinder bottom is fixed in the lower end, and feed screw nut is enclosed within on the ball-screw and is fixedly connected with piston simultaneously.
6. a kind of suction-type high pressure physical property sample device according to claim 5, it is characterized in that: said transmission mechanism also comprises trigger switch, said trigger switch and piston or feed screw nut or piston rod are connected.
7. according to claim 5 or 6 described a kind of suction-type high pressure physical property sample devices, it is characterized in that: be rigidly connected through moving part between said feed screw nut and the piston.
8. a kind of suction-type high pressure physical property sample device according to claim 4 is characterized in that: said circuit controlling organization comprises power supply module and is used to control the circuit control panel of transmission mechanism work that circuit control panel is connected with the motor reducer electrical component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204859779U CN202391422U (en) | 2011-11-29 | 2011-11-29 | Suction-type high-pressure physical property sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204859779U CN202391422U (en) | 2011-11-29 | 2011-11-29 | Suction-type high-pressure physical property sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391422U true CN202391422U (en) | 2012-08-22 |
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ID=46666352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204859779U Expired - Lifetime CN202391422U (en) | 2011-11-29 | 2011-11-29 | Suction-type high-pressure physical property sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391422U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195418A (en) * | 2013-03-01 | 2013-07-10 | 西安洛科电子科技有限责任公司 | Underground sampler |
| CN104500043A (en) * | 2014-12-08 | 2015-04-08 | 郑州宜源翔石油科技有限公司 | Bidirectional reversible speed-adjusting capacity-adjusting pressure measurement cylinder |
| CN105484745A (en) * | 2015-08-13 | 2016-04-13 | 中国石油化工股份有限公司 | Suction type sampler |
| CN106593434A (en) * | 2016-12-12 | 2017-04-26 | 中国石油天然气股份有限公司 | Horizontal well oil pipe conveying electrodynamic type mass flow device |
| CN107420099A (en) * | 2017-09-20 | 2017-12-01 | 河间市科信油田技术服务有限公司 | Downhole instrument and underground work system |
| CN108952702A (en) * | 2018-08-30 | 2018-12-07 | 中国石油化工股份有限公司 | Underground thick oil sampler |
| CN109458177A (en) * | 2019-01-17 | 2019-03-12 | 西南石油大学 | A kind of umbrella motor-driven downhole intelligent sampler |
| CN109538202A (en) * | 2019-01-17 | 2019-03-29 | 西南石油大学 | A kind of intelligence umbrella rocker slider supporting leg suction-type sampling device |
| CN112211629A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Mixed slurry obtaining device and using method thereof |
| CN113532938A (en) * | 2020-09-24 | 2021-10-22 | 中国地质科学院岩溶地质研究所 | Deep hole in-situ sampling equipment |
-
2011
- 2011-11-29 CN CN2011204859779U patent/CN202391422U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195418B (en) * | 2013-03-01 | 2016-08-10 | 西安洛科电子科技有限责任公司 | A kind of downhole sampler |
| CN103195418A (en) * | 2013-03-01 | 2013-07-10 | 西安洛科电子科技有限责任公司 | Underground sampler |
| CN104500043A (en) * | 2014-12-08 | 2015-04-08 | 郑州宜源翔石油科技有限公司 | Bidirectional reversible speed-adjusting capacity-adjusting pressure measurement cylinder |
| CN105484745A (en) * | 2015-08-13 | 2016-04-13 | 中国石油化工股份有限公司 | Suction type sampler |
| CN105484745B (en) * | 2015-08-13 | 2019-06-28 | 中国石油化工股份有限公司 | A kind of suction-type sampling device |
| CN106593434A (en) * | 2016-12-12 | 2017-04-26 | 中国石油天然气股份有限公司 | Horizontal well oil pipe conveying electrodynamic type mass flow device |
| CN107420099B (en) * | 2017-09-20 | 2023-11-10 | 河间市科信油田技术服务有限公司 | Downhole instrument and downhole operation system |
| CN107420099A (en) * | 2017-09-20 | 2017-12-01 | 河间市科信油田技术服务有限公司 | Downhole instrument and underground work system |
| CN108952702A (en) * | 2018-08-30 | 2018-12-07 | 中国石油化工股份有限公司 | Underground thick oil sampler |
| CN108952702B (en) * | 2018-08-30 | 2024-04-16 | 中国石油化工股份有限公司 | Underground sampling device for thickened oil |
| CN109538202A (en) * | 2019-01-17 | 2019-03-29 | 西南石油大学 | A kind of intelligence umbrella rocker slider supporting leg suction-type sampling device |
| CN109538202B (en) * | 2019-01-17 | 2022-02-01 | 西南石油大学 | Umbrella-shaped landing leg suction formula sampler of intelligence |
| CN109458177B (en) * | 2019-01-17 | 2022-02-01 | 西南石油大学 | Umbrella-shaped motor-driven underground intelligent sampler |
| CN109458177A (en) * | 2019-01-17 | 2019-03-12 | 西南石油大学 | A kind of umbrella motor-driven downhole intelligent sampler |
| CN112211629A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Mixed slurry obtaining device and using method thereof |
| CN113532938A (en) * | 2020-09-24 | 2021-10-22 | 中国地质科学院岩溶地质研究所 | Deep hole in-situ sampling equipment |
| CN113532938B (en) * | 2020-09-24 | 2022-12-02 | 中国地质科学院岩溶地质研究所 | Deep hole in-situ sampling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |