CN200943496Y - Downhole high pressure electronic sampler - Google Patents
Downhole high pressure electronic sampler Download PDFInfo
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- CN200943496Y CN200943496Y CN 200620111093 CN200620111093U CN200943496Y CN 200943496 Y CN200943496 Y CN 200943496Y CN 200620111093 CN200620111093 CN 200620111093 CN 200620111093 U CN200620111093 U CN 200620111093U CN 200943496 Y CN200943496 Y CN 200943496Y
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- sampling
- controller
- module shell
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Abstract
The utility model discloses an underground high pressure electronic physical sampler and comprises an upper controller, a sampling tube and a lower controller. The upper and lower controller includes an electrical control unit and a sampling control unit. The a motor is arranged within an enclosure of the electrical control unit, the output end of the motor is connected with a spiral impelling shaft, the main alnico is arranged on the spiral impelling shaft and the end where the enclosure of the electrical control unit is connected with the sampling control unit is sealed. A backspring and an assistance alnico is arranged within the enclosure of the sampling control unit and the assistance alnico is connected with a valve, a sampling hole is provided on the enclosure of the sampling control unit and interlinked with the sealing of the valve. The utility model abolishes a connecting rod, sealing of the valve is accomplished by non-contacting way under the attracting forces between the main and the assistance alnicos and the issue about sealing of the sampling tube thus is resolved completely. The upper and lower controller comprises three parts, which can be maintained separately, thus the controller can be cleaned more completely.
Description
Technical field
The utility model relates to a kind of oil-gas field development production auxiliary equipment, is specifically related to a kind of down-hole high pressure electronics rerum natura sampler that downhole oil, water sample are gathered.
Background technology
In the oil-gas field development manufacturing process, utilize downhole sampler can obtain full well or layering oil, water sample, to its assay in addition, can grasp physics, chemical property and the fluid behaviour of Oil, Water, Gas.
The kind of present domestic downhole sampler is a lot, the clock machine that the mainly contains formula used of each major oil and gas field, piston type, paddle type mill, differential, wall built-up extracting formula etc. are several at home, they all are made up of application cylinder and sampling tube two large divisions jointly, and application cylinder partly comprises motor, circuit board etc.Be responsible for collected specimens by sampling tube after sampler is gone into the well, sampling process is controlled by application cylinder, rises to the well face then under the dynamic action of ground.Because sampler working environment very severe, be in for a long time in the very high salt solution of high temperature, high pressure, high sulfur-bearing, chloride content, in case these materials of down-hole enter in the application cylinder, will damage motor, circuit etc., therefore higher to the seal request of application cylinder.In addition, the sealing no less important after the sampling tube sampling, if sealing is not good at, sample can leak, and will be directed at the sampling failure.The sealing of tradition sampling tube is to be provided with connecting rod in the centre of sampling tube, and two ends are respectively equipped with sealing and use valve and following valve about the connecting rod, and last valve and following valve slide to put in place toward the connecting rod two ends sample in the sampling tube is sealed.Because the sealing position between last valve, following valve and connecting rod is movable, so sealing difficulty is very big, be difficult for solving, early stage, sealing effectiveness was often good, and time one length will reduce.Sealing between controlling organization and the sampling tube all is that because working environment, joint ring also is a consumable accessory with the sealing of O type ring.Joint ring and connecting rod are the parts of the easiest damage in the sampler of existing structure, and this will cause functional reliability to reduce, and maintenance cost increases, and does not also find a desirable solution at present.The patent No. is that the Chinese utility model that " 200420041425 ", name are called " electronic type down-hole high pressure rerum natura sampler " has disclosed a kind of downhole sampler, and its does not effectively solve the above-mentioned sampler sealing problem that troubles those skilled in the art equally.In addition, existing sampler each several part links together and is difficult to separately cause cleaning, difficult in maintenance, need expend a large amount of time.
Summary of the invention
The sealing difficulty that exists at rerum natura sampler under the existing well is big, the sampling reliability is not high, clean the deficiency of inconvenience, and the purpose of this utility model just provides a kind of good airproof performance, sampling reliability height, be convenient to the down-hole high pressure electronics rerum natura sampler that cleans, safeguard.
The technical solution of the utility model is achieved in that down-hole high pressure electronics rerum natura sampler, comprise controller and sampling tube, described controller is made up of last controller and following controller, last controller includes shape electronic control module all the same with structure and sampling control module with following controller, the sampling tube two ends are connected with sampling control module shell one end of last controller and following controller respectively, the sampling control module shell other end is connected with electronic control module shell one end, the electronic control module shell of the last controller other end and the electronic control module shell of the following controller other end respectively with the rope socket connector, tail cone connects, and is equipped with sealing device in above-mentioned junction and has carried out encapsulation process;
In electronic control module shell, be provided with motor, the output of motor is connected with the spiral impeller-hub, main magnetic steel sleeve can move up and down along outer casing inner wall on the spiral impeller-hub and under the effect at motor, the end sealing that electronic control module shell is connected with the sampling control module;
In sampling control module shell, be provided with the secondary magnet steel corresponding with main magnet steel, secondary magnet steel is connected with valve by connecting axle, secondary magnet steel and valve are positioned at the connecting axle two ends, be socketed with centralizer at the connecting axle middle part, in sampling control module shell, be provided with back-moving spring, the active force that secondary magnet steel overcomes back-moving spring under the adhesive of main magnet steel drives valve and moves by valve along outer casing inner wall sampling tube two ends and sampling control module are isolated, be provided with thief hole on sampling control module shell, thief hole is communicated with the residing seal of valve.
Further improve being, on valve, be provided with the O type joint ring that is used for the sealing of sampling control module outer casing inner wall; Be provided with the upper position sensor and the upper/lower positions sensor of sensing master magnet steel shift position on electronic control module shell, upper position sensor, upper/lower positions sensor and motor are connected with control circuit.
The utility model is owing to cancelled connecting rod in last controller, sampling tube, following controller, the sealing problem that troubles the movable position of sample room of people's sampling tube controlling organization and sampling has not for a long time existed, the seal process of valve is finished in the noncontact mode under the adhesive between major and minor magnet steel, the valve switch is reliable up and down, the sealing problem of sampling tube is able to thorough solution, and sampling is true more, reliable.And other connecting portions are owing to be in relative static conditions, so also be to solve sealing problem very easily by existing method.On the other hand, each is made up of upper and lower controller three parts, and this three part and sampling tube can be safeguarded separately, maintain cleaning, can taking apart easily when safeguarding, makes to clean to become light, easy, cleaner, thorough.
Description of drawings
Fig. 1 is the utility model structural representation (for the ease of understanding, herein being exploded view).
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, as can be seen, the utility model is from top to bottom successively by rope socket connector 1, electronic control module 2, sampling control module 3, sampling tube 4, sampling control module 3, electronic control module 2 and 5 one-tenth of tail cone structures from the figure.Rope socket connector 1, electronic control module 2 and the sampling control module 3 of sampling tube more than 4 constitutes goes up controller, and sampling control module 3, electronic control module 2 and the tail cone 5 of sampling tube below 4 constitutes controller down.Sampling tube 4 two ends are connected with sampling control module shell 6 one ends of last controller and following controller respectively, last controller is connected with electronic control module shell 7 one ends of last controller and following controller with following controller sampling control module shell 6 other ends, electronic control module shell 7 other ends of last controller are connected with rope socket connector 1, tail cone 5 respectively with electronic control module shell 7 other ends of following controller, be equipped with sealing device in above-mentioned junction, the sealing device of present embodiment all adopts O type joint ring 8.
Sampling control module, the electronic control module of controller and following controller are in full accord on shape, structure on the utility model, their relative sampling tube symmetric arrangement.Therefore, below a sampling control module and an electronic control module to last controller are elaborated, can repeat no more with reference to understanding about following controller appropriate section.
Be provided with brushless high temperature direct current generator 9 in the electronic control module shell 7 of last controller, the output of motor 9 is connected with spiral impeller-hub 10 1 ends, and spiral impeller-hub 10 other ends are connected with bearing support 11, are with main magnet steel 12 at spiral impeller-hub 10 middle parts.Be provided with control circuit 13 on motor 9 tops, control circuit 13 is connected by power supply and playback joint 14, battery contact 15 and battery 16 successively, gives control circuit 13 and motor 9 power supplies by battery.Control circuit 13 is connected with power supply and playback joint 14 and is used for connecting with computer.Be provided with the upper position sensor 17 and the upper/lower positions sensor 18 of sensing master magnet steel shift position on electronic control module shell 7, upper position sensor 17, upper/lower positions sensor 18 and motor 9 are connected with control circuit 13.The end sealing that electronic control module shell 7 is connected with the sampling control module.Being provided with O type joint ring 8 on electronic control module shell 7 is used for being tightly connected with sampling control module shell 6.
Above-mentioned direct current generator can be controlled spiral promoting shaft and do positive and negative rotation, and when spiral promoting shaft was done positive and negative rotation, main magnet steel just moved up and down along outer casing inner wall.When main magnet steel moves up and down when putting in place, main magnet steel is given upper position sensor and signal of upper/lower positions sensor, upper position sensor and upper/lower positions sensor are given signal of control circuit again, and control circuit receives and sends instruction behind the signal of upper position sensor, upper/lower positions sensor motor is quit work.
Being provided with O type joint ring 8 on the outer wall of sampling control module shell 6 one ends is used for and sampling tube 4 sealings, outer shell cavity is indoor to be provided with the secondary magnet steel 19 corresponding with main magnet steel, secondary magnet steel 19 is connected with connecting axle 21 1 ends by lower locating device 20, connecting axle 21 other ends are connected with valve 22, are socketed with centralizer 23 at connecting axle 21 middle parts to overcome the beat phenomenon in the connecting axle moving process.Be provided with back-moving spring 24 in sampling control module shell 6, back-moving spring 24 1 ends are connected with secondary magnet steel 19, and the other end withstands on the end face of electronic control module shell seal.Be provided with the O type joint ring 25 that is used for the sealing of sampling control module outer casing inner wall on valve 22, the sampling control module outer casing inner wall seal 26 corresponding with valve 22 is the taper that is beneficial to sealing.Be provided with thief hole 27 on sampling control module shell, thief hole 27 is communicated with seal 26 by via hole, the via hole on the centralizer 23 on the lower locating device 20 successively.The active force that secondary magnet steel 19 overcomes back-moving spring 24 under the adhesive of main magnet steel 12 drives valve 22 and moves up along shell 6 inwalls and by valve sampling tube 4 upper ends and 3 sealings of sampling control module are isolated.At this moment, the O type joint ring 25 on valve 22, the valve, centralizer 23, connecting axle 21, lower locating device 20, secondary magnet steel 19, back-moving spring 24 can move up and down in sampling control module shell 6 as one.Following controller is in the same way with the sampling tube lower end closed, and like this, the sample of obtaining is kept in the sampling tube with regard to airtight, has guaranteed that sample collecting is true, reliable.
The course of work of the present utility model and principle:
When this sampler is gone into the well to the degree of depth of setting, this moment, upper and lower valve broke away from seal toward the sampling tube direction under the spring force effect, be that seal is in open mode, because the thief hole on the sampling control module shell is communicated with seal, so the oil of down-hole, water sample enter sampling tube by thief hole, seal under pressure successively.When sampling finishes to need approved sample, the interior machine operation of control module shell this moment, driving main magnet steel by the spiral impeller-hub moves toward sampling control module direction, (this assigned address is exactly that main magnet steel can overcome the secondary magnet steel of action of reset spring power adhesive and makes up and down valve toward the position of seal direction motion when moving to assigned address, it is can be predetermined) time, on the one hand, this assigned address by the upper/lower positions sensor monitors to after report to control circuit immediately, give out-of-work instruction of motor by control circuit, therefore main magnet steel no longer moves, and stops in preassigned position; On the other hand, at this assigned address, main magnet steel overcomes the active force of back-moving spring with secondary magnet steel adhesive, drives up and down valve toward the motion of seal direction by connecting axle when secondary magnet steel moves, by valve up and down the upper-lower seal mouth is closed, and finishes the approved sample process.
This electronics high pressure physical property sample device is mainly used in the sampling of petroleum industry downhole oil, gas, water, whole instrument is all made by nonferromagnetic material, sampling control module inside, outside and whole outside can be that 100Mpa, temperature are operate as normal under 175 ℃ of environment at pressure all, and electronic control module inside can be operate as normal under 175 ℃ of environment in standard atmospheric pressure, temperature.It is exactly to isolate fully between switch sections and the valve that this electronics high pressure physical property sample device also has the another one characteristics.This instrument is made up of the control circuit and the motor two parts that can be operated in the sample valve in oil, gas, water and the high pressure meson and can not be operated in oil, gas, water and the high pressure meson; Technical problems such as this sampler has solved that mechanical type sampler sampling success rate is low, complex structure, operation easier are big, have sampling success rate height, simple in structure, easy to operate, sampling tube is short and small, the reliable advantage of valve switch up and down.
Claims (5)
1, down-hole high pressure electronics rerum natura sampler, comprise controller and sampling tube (4), it is characterized in that: described controller is made up of last controller and following controller, last controller and following controller include electronic control module (2) and sampling control module (3), sampling tube (4) two ends are connected with sampling control module shell (6) one ends of last controller and following controller respectively, sampling control module shell (6) other end is connected with electronic control module shell (7) one ends, is equipped with sealing device in above-mentioned junction;
In electronic control module shell (7), be provided with motor (9), the output of motor (9) is connected with spiral impeller-hub (10), main magnet steel (12) is enclosed within spiral impeller-hub (10) and goes up and can move up and down along shell (7) inwall under the effect of motor (9), the end sealing that electronic control module shell (7) is connected with sampling control module (3);
In sampling control module shell (6), be provided with the secondary magnet steel (19) corresponding with main magnet steel, secondary magnet steel (19) is connected with valve (22) by connecting axle (21), in sampling control module shell (6), be provided with back-moving spring (24), the active force that secondary magnet steel overcomes back-moving spring under the adhesive of main magnet steel drives valve (24) and moves by valve along outer casing inner wall sampling tube (4) two ends and sampling control module (3) are isolated, be provided with thief hole (27) on sampling control module shell (6), thief hole (27) is communicated with the residing seal of valve (26).
2, down-hole high pressure electronics rerum natura sampler according to claim 1 is characterized in that: be socketed with centralizer (23) at sampling control module connecting axle (21) middle part.
3, down-hole high pressure electronics rerum natura sampler according to claim 1 is characterized in that: be provided with the O type joint ring (25) that is used for sampling control module shell (6) inner wall sealing on valve (22).
4, down-hole high pressure electronics rerum natura sampler according to claim 1, it is characterized in that: be provided with the upper position sensor (17) and the upper/lower positions sensor (18) of sensing master magnet steel shift position on electronic control module shell (7), upper position sensor (17), upper/lower positions sensor (18) and motor (9) are connected with control circuit (13).
5, down-hole high pressure electronics rerum natura sampler according to claim 1, it is characterized in that: go up the electronic control module shell of controller (7) other end and be connected with rope socket connector (1), tail cone (5) respectively, be provided with O type joint ring (8) in the junction with the electronic control module shell of following controller (7) other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111093 CN200943496Y (en) | 2006-08-10 | 2006-08-10 | Downhole high pressure electronic sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111093 CN200943496Y (en) | 2006-08-10 | 2006-08-10 | Downhole high pressure electronic sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943496Y true CN200943496Y (en) | 2007-09-05 |
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ID=38718129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620111093 Expired - Fee Related CN200943496Y (en) | 2006-08-10 | 2006-08-10 | Downhole high pressure electronic sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200943496Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072832A (en) * | 2009-11-23 | 2011-05-25 | 韩国地质资源研究院 | Sequential groundwater sampler and sampling method thereof |
| CN102562054A (en) * | 2012-02-23 | 2012-07-11 | 大庆赛恩思电子仪器设备有限公司 | Electronic-control high-pressure physical-property sampling system |
| CN115680651A (en) * | 2022-12-31 | 2023-02-03 | 中国石油天然气股份有限公司 | Multi-chamber cable-controlled underground electric sampling tool |
-
2006
- 2006-08-10 CN CN 200620111093 patent/CN200943496Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072832A (en) * | 2009-11-23 | 2011-05-25 | 韩国地质资源研究院 | Sequential groundwater sampler and sampling method thereof |
| CN102072832B (en) * | 2009-11-23 | 2014-10-15 | 韩国地质资源研究院 | Sequential groundwater sampler and sampling method thereof |
| CN102562054A (en) * | 2012-02-23 | 2012-07-11 | 大庆赛恩思电子仪器设备有限公司 | Electronic-control high-pressure physical-property sampling system |
| CN102562054B (en) * | 2012-02-23 | 2014-08-27 | 大庆赛恩思电子仪器设备有限公司 | Electronic-control high-pressure physical-property sampling system |
| CN115680651A (en) * | 2022-12-31 | 2023-02-03 | 中国石油天然气股份有限公司 | Multi-chamber cable-controlled underground electric sampling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20090910 |