CN204286863U - The online anti-shearing sampler of polymer flooding - Google Patents

The online anti-shearing sampler of polymer flooding Download PDF

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Publication number
CN204286863U
CN204286863U CN201420797060.6U CN201420797060U CN204286863U CN 204286863 U CN204286863 U CN 204286863U CN 201420797060 U CN201420797060 U CN 201420797060U CN 204286863 U CN204286863 U CN 204286863U
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CN
China
Prior art keywords
sampler
sealing valve
shearing
polymer
injection pipeline
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420797060.6U
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Chinese (zh)
Inventor
高玉军
梅玉芬
孙旭东
张敏
魏秀艳
孙先东
田海英
张健
杨洪波
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201420797060.6U priority Critical patent/CN204286863U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides the online anti-shearing sampler of a kind of polymer flooding, comprise sampling sleeve and sampler, the end of sampling sleeve is connected on the outer wall of polymer injection pipeline, sampling sleeve has the inner chamber run through vertically, inner chamber is connected with polymer injection pipeline, the sampling end of sleeve and the junction of polymer injection pipeline are formed and seal valve seat, and the sidewall of sampling sleeve is provided with the outage with inner space; Sampler has the accommodating cavity of closed at both ends, sampler is sheathed in inner chamber, and one end of sampler is provided with the sealing valve that can seal and fit on sealing valve seat, the sidewall of sampler runs through the sample tap having and can be connected with outage, sample tap comes liquid direction back to polymer injection pipeline interpolymer, is provided with sampling cock in accommodating cavity.The online anti-shearing sampler of polymer flooding of the present utility model can sample by direct-on-line, and can not cause shearing to polymkeric substance, and structure is simple, easy to use, safe and reliable.

Description

The online anti-shearing sampler of polymer flooding
Technical field
The utility model relates to a kind of sampler, especially a kind of online anti-shearing sampler of polymer flooding for polymkeric substance collection sampling.
Background technology
Along with most of oil field, the whole nation enters mid-later development phase, tertiary oil recovery technology just in large-scale promotion, and to achieve successfully in most of maturing field.Polymer class stickum obtains a large amount of application aborning as the host of tertiary oil recovery, and the viscosity of polymkeric substance is one of key factor determining oil displacement efficiency.
In order to grasp the polymer liquid viscosity of injection pump outlet, well head, need to carry out special sampling.When carrying out polymer solution collection sampling, existing sampler sampling effect is not ideal, now with the volume of sampler be 300mL and 700mL not etc., because the internal diameter of sampling jar is larger, low viscosity in sampling jar is sheared liquid and is difficult to replace completely, makes the chemical examination viscosity of taking-up sample on the low side; More difficult owing to sampling in high-voltage tube, solution shear phenomenon can be there is.In addition, sampler structure more complicated is now used, complex operation.
Utility model content
The purpose of this utility model is to provide the online anti-shearing sampler of a kind of polymer flooding, to solve the defect of the prior art mentioned in background technology.
For achieving the above object, the utility model proposes the online anti-shearing sampler of a kind of polymer flooding, the online anti-shearing sampler of described polymer flooding comprises: sampling sleeve, its end is connected on the outer wall of polymer injection pipeline, described sampling sleeve has the inner chamber run through vertically, described inner chamber is connected with described polymer injection pipeline, the end of described sampling sleeve and the junction of described polymer injection pipeline are formed and seal valve seat, and the sidewall of described sampling sleeve is provided with the outage with described inner space; Sampler, it has the accommodating cavity of closed at both ends, described sampler is sheathed in described inner chamber, and one end of described sampler is provided with the sealing valve that can seal and fit on described sealing valve seat, the sidewall of described sampler runs through the sample tap having and can be connected with described outage, described sample tap comes liquid direction back to described polymer injection pipeline interpolymer, is provided with sampling cock in described accommodating cavity.
The online anti-shearing sampler of polymer flooding as above, wherein, under the state that described sealing valve stretches in described polymer injection pipeline, described sample tap is connected with described polymer injection pipeline, under sealing at described sealing valve the state fitting in described sealing valve seat, described sample tap is connected with described outage.
The online anti-shearing sampler of polymer flooding as above, wherein, described sampler also comprises the sampler body be connected with described sealing valve, described sampler body is arranged in described inner chamber, and the outside wall surface of described sampler body seals laminating mutually with the internal face of described sampling sleeve.
The online anti-shearing sampler of polymer flooding as above, wherein, the transition face between described sealing valve and described sampler body is arc surface.
The online anti-shearing sampler of polymer flooding as above, wherein, described sample tap is located at the one end near described sealing valve on described sampler body, and described sampling cock is positioned at below described sample tap.
The online anti-shearing sampler of polymer flooding as above, wherein, the length of described sampler is greater than the length of described sampling sleeve.
The online anti-shearing sampler of polymer flooding as above, wherein, described sampler also comprises piston rod, and one end of described piston rod is connected with described sampling cock, and the other end of described piston rod extends to described sampler outside.
The online anti-shearing sampler of polymer flooding as above, wherein, described sealing valve seat is pyramidal structure, and described sealing valve seat connects the internal diameter of one end of described polymer injection pipeline, be greater than the internal diameter of the described sealing valve seat other end, described sealing valve is the pyramidal structure matched with described sealing valve seat, and described sealing valve seat can be located described sampler.
The online anti-shearing sampler of polymer flooding as above, wherein, described outage is connected with sample cock, and it is outside that described sample cock is positioned at described sampling sleeve.
The online anti-shearing sampler of polymer flooding as above, wherein, described sampling sleeve comprises inner core and is sheathed on the urceolus outside described inner core, described sampler is arranged in described inner core, one end of described urceolus is connected with described polymer injection pipeline, and the other end of described urceolus and the end of described inner core are tightly connected by seal head.
Feature and the advantage of the online anti-shearing sampler of polymer flooding of the present utility model are, by arranging sealing valve seat on sampling sleeve, sampler arranges the sealing valve matched with sealing valve seat, realize sampling sleeve to the location of sampler, and the sealing of sampling sleeve and sampler, sampler in the utility model directly stretches in polymer injection pipeline and samples, and the sample tap on the sidewall of sampler is set to come liquid direction back to polymkeric substance, make that polymkeric substance is not with pressure to be entered in accommodating cavity, avoid swiftly flowing polymkeric substance directly to flow at a high speed in accommodating cavity, shearing can not be caused, truly can reflect the viscosity of polymer injection pipeline interpolymer, and can sample by direct-on-line, can not produce note consor and impact, structure is simple, easy to use, safe and reliable.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the cross-sectional schematic that the online anti-shearing sampler of polymer flooding of the present utility model is in the state of sampling;
Fig. 2 is the cross-sectional schematic that in the utility model, sampler stretches into sampling in pipeline;
Fig. 3 is the cross-sectional schematic that in the utility model, sampler extracts polymkeric substance;
Fig. 4 is the cross-sectional schematic that in the utility model, polymkeric substance is discharged by sampler;
Fig. 5 samples sleeve connection in the cross-sectional schematic of polymer injection pipeline in the utility model.
Main element label declaration:
1 sampling sleeve
11 inner chambers 12 seal valve seat 13 outage
14 sample cock 15 inner core 16 urceolus
17 seal heads
2 sampler
21 accommodating cavities 22 seal valve 23 sampling cock
24 piston rod 25 sample tap 26 sampler bodies
27 seal heads
3 polymer injection pipelines
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1, the utility model provides a kind of polymer flooding online anti-shearing sampler, it comprises sampling sleeve 1 and sampler 2, wherein, the end of sampling sleeve 1 is connected on the outer wall of polymer injection pipeline 3, so that on-line period, the central shaft such as sampling the central shaft of sleeve and polymer injection pipeline is perpendicular, sampling sleeve 1 has the inner chamber 11 run through vertically, wear wherein for sampler, inner chamber 11 is connected with polymer injection pipeline 3, the sampling end of sleeve 1 and the junction of polymer injection pipeline 3 are formed and seal valve seat 12, namely sealing valve seat 12 is formed at the upper end inwall of sampling sleeve 1, and be connected with polymer injection pipeline 3 by sealing valve seat 12, the sidewall of sampling sleeve 1 is provided with the outage 13 be communicated with inner chamber 11, for discharge opeing.For ease of operation, outage 13 is connected with a sample cock 14, it is outside that sample cock is positioned at sampling sleeve, and sample cock is such as connected with outage by pipe.
Sampler 2 has the accommodating cavity 21 of closed at both ends, for polymkeric substance accommodating in sampling process, sampler in a tubular form or cylindric, sampler 2 is sheathed in inner chamber 11, and one end of sampler 2 is provided with the sealing valve 22 that can seal and fit on sealing valve seat 12, namely the outer wall energy sealing valve 22 fits with the inwall of sealing valve seat 12, sealing valve seat 12 can position sampler 2 on the one hand, on the other hand by sealing valve 22 being fitted in sealing valve seat 12, realize sampling the sealing between sleeve 1 and polymer injection pipeline 3, sealing valve 22 is such as in infundibulate.The sidewall of sampler 2 runs through the sample tap 25 having and can be connected with outage 13, sample tap 25 comes liquid direction (direction of arrow marked in polymer injection pipeline in Fig. 1 to Fig. 5 is the flow direction of polymkeric substance) back to polymer injection pipeline 3 interpolymer, the i.e. direction that flows away towards polymkeric substance of sample tap 25, sampling cock 23 is provided with in accommodating cavity 21, by moving up and down sampling cock to sample, for convenience of operation, can piston rod 24 be set in sampler, one end of piston rod 24 is connected with sampling cock 23, the other end of piston rod 24 extends to sampler 2 outside, can be sampled by push-and-pull piston rod.
The online anti-shearing sampler of polymer flooding of the present utility model, under the state that sealing valve 22 stretches in polymer injection pipeline 3, sample tap 25 is connected with polymer injection pipeline 3, enters in the accommodating cavity 21 of sampler to make polymkeric substance by sample tap; Under the state that the sealing of sealing valve 22 fits in sealing valve seat 12, sample tap 25 is connected with outage 13, to make the polymkeric substance in accommodating cavity can discharge via sample tap 25, outage 13, obtains polymer samples.
In the present embodiment, sampler 2 also comprises the sampler body 26 be connected with sealing valve 22, sampler body 26 is in long tubular, sampler body 26 is arranged in inner chamber 11, and the outside wall surface of sampler body 26 seals laminating mutually with the internal face of sampling sleeve 1, flow out to avoid the polymkeric substance in polymer injection pipeline or ooze out.
Adopt the online anti-shearing sampler of polymer flooding of the present utility model to sample, operation steps is:
(1) as shown in Figure 2, upwardly sampler 2 (sample cock 14 is in closed condition), makes sealing valve 22 and sample tap 25 stretch in polymer injection pipeline 3, and ensures that sample tap 25 comes liquid direction back to polymkeric substance;
(2) as shown in Figure 3, slowly pull piston rod 24 drives sampling cock 23 slowly to move down downwards, and the polymkeric substance in polymer injection pipeline slowly enters in the accommodating cavity 21 of sampler 2, until polymkeric substance is full of accommodating cavity 21;
(3) as shown in Figure 4, pull sampler 2 downwards, until cannot pull, now seal valve 22 location and fit in sealing valve seat 12, and sample tap 25 aims at outage 13 just, accommodating cavity 21 is connected with outage 13;
(4) then open sample cock 14, upwards slowly promote piston rod 24 and drive sampling cock 23 slowly to move up, polymkeric substance is just discharged via outage 13, sample cock 14.
The online anti-shearing sampler of polymer flooding of the present utility model, on-line period can be realized in polymer injection process, do not affect note consor to produce, sampler directly stretches into sampling in polymer injection pipeline, and comes liquid direction back to polymkeric substance due to sample tap, and swiftly flowing polymkeric substance can not directly with in inflow accommodating cavity at a high speed, thus enter accommodating cavity without pressure, can not cause shearing, sampling is convenient, safe and reliable.
Preferably, sealing valve 22 and sampler body 26 between transition face be arc surface, due to stretch into sample in polymer injection pipeline time, polymkeric substance can flow through this transition face, by being set to arc surface, can avoid causing shearing to polymkeric substance.
As shown in Figure 1, wherein, sample tap 25 is located at the one end near sealing valve 22 on sampler body 26, and the most of polymkeric substance in accommodating cavity can be discharged, sampling cock 23 is positioned at below sample tap 25, to avoid blocking sample tap.
In addition, the length of sampler 2 is greater than the length of sampling sleeve 1, can the sealing valve of sampler upper end and sample tap upwardly be arrived in polymer injection pipeline easily, is convenient to push-and-pull sampler.
In addition, one end of sampler body 26 is connected with sealing valve 22, and the end face of the other end of sampler body 26 is provided with seal head 27, to realize the excellent sealing to accommodating cavity.
Again as shown in Figure 1, sealing valve seat 12 is pyramidal structure, and sealing valve seat 12 connects the internal diameter of one end of polymer injection pipeline 3, be greater than the internal diameter of sealing valve seat 12 other end, sealing valve 22 is the pyramidal structure matched with sealing valve seat 12, namely seal the external diameter that valve 22 connects sampler body 26 one end, be less than the external diameter of the sealing valve other end, and the tapering of sealing valve seat 12 is identical with the tapering of sealing valve 22.Wherein seal valve seat 12 to locate sampler 2, simultaneously when sealing valve 22 and fitting in sealing valve seat 12, can realize sampling the sealing between sleeve 1 and polymer injection pipeline 3.
As shown in Figure 1, shown in Figure 5, the urceolus 16 that sampling sleeve 1 comprises inner core 15 and is sheathed on outside inner core 15, sampler 2 is arranged in inner core 15, the upper end inwall of inner core 15 forms sealing valve seat 12, the upper end of urceolus 16 is connected with the outer wall of polymer injection pipeline, is tightly connected between the lower end of urceolus 16 and the bottom of inner core 15 by seal head 27.
Inner core 15 wherein can be rubber sleeve, so that the sealing realized between sampler is sheathed, urceolus 16 can be made up of rigid material, to ensure the loading strength sampling sleeve, and is convenient to be connected with polymer injection pipeline.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in instructions of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.

Claims (10)

1. the online anti-shearing sampler of polymer flooding, is characterized in that, the online anti-shearing sampler of described polymer flooding comprises:
Sampling sleeve, its end is connected on the outer wall of polymer injection pipeline, described sampling sleeve has the inner chamber run through vertically, described inner chamber is connected with described polymer injection pipeline, the end of described sampling sleeve and the junction of described polymer injection pipeline are formed and seal valve seat, and the sidewall of described sampling sleeve is provided with the outage with described inner space;
Sampler, it has the accommodating cavity of closed at both ends, described sampler is sheathed in described inner chamber, and one end of described sampler is provided with the sealing valve that can seal and fit on described sealing valve seat, the sidewall of described sampler runs through the sample tap having and can be connected with described outage, described sample tap comes liquid direction back to described polymer injection pipeline interpolymer, is provided with sampling cock in described accommodating cavity.
2. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, under the state that described sealing valve stretches in described polymer injection pipeline, described sample tap is connected with described polymer injection pipeline, under sealing at described sealing valve the state fitting in described sealing valve seat, described sample tap is connected with described outage.
3. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, described sampler also comprises the sampler body be connected with described sealing valve, described sampler body is arranged in described inner chamber, and the outside wall surface of described sampler body seals laminating mutually with the internal face of described sampling sleeve.
4. the online anti-shearing sampler of polymer flooding as claimed in claim 3, it is characterized in that, the transition face between described sealing valve and described sampler body is arc surface.
5. the online anti-shearing sampler of polymer flooding as claimed in claim 3, is characterized in that, described sample tap is located at the one end near described sealing valve on described sampler body, and described sampling cock is positioned at below described sample tap.
6. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, the length of described sampler is greater than the length of described sampling sleeve.
7. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, described sampler also comprises piston rod, and one end of described piston rod is connected with described sampling cock, and the other end of described piston rod extends to described sampler outside.
8. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, described sealing valve seat is pyramidal structure, and described sealing valve seat connects the internal diameter of one end of described polymer injection pipeline, be greater than the internal diameter of the described sealing valve seat other end, described sealing valve is the pyramidal structure matched with described sealing valve seat, and described sealing valve seat can be located described sampler.
9. the online anti-shearing sampler of polymer flooding as claimed in claim 1, it is characterized in that, described outage is connected with sample cock, and it is outside that described sample cock is positioned at described sampling sleeve.
10. the online anti-shearing sampler of the polymer flooding as described in any one of claim 1 to 9, it is characterized in that, described sampling sleeve comprises inner core and is sheathed on the urceolus outside described inner core, described sampler is arranged in described inner core, one end of described urceolus is connected with described polymer injection pipeline, and the other end of described urceolus and the end of described inner core are tightly connected by seal head.
CN201420797060.6U 2014-12-15 2014-12-15 The online anti-shearing sampler of polymer flooding Expired - Fee Related CN204286863U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823654A (en) * 2016-04-29 2016-08-03 四川海盾石油新技术开发有限公司 Anti-shear sampling device and sampling method
CN110243635A (en) * 2019-06-26 2019-09-17 中国农业大学 A kind of sampler accurately measuring solid-liquid two-phase flow concentration in pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823654A (en) * 2016-04-29 2016-08-03 四川海盾石油新技术开发有限公司 Anti-shear sampling device and sampling method
CN110243635A (en) * 2019-06-26 2019-09-17 中国农业大学 A kind of sampler accurately measuring solid-liquid two-phase flow concentration in pipe
CN110243635B (en) * 2019-06-26 2021-02-26 中国农业大学 Sampling device for accurately measuring concentration of solid-liquid two-phase flow in pipe

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Granted publication date: 20150422