CN204175296U - Well head sampler for deep profile control and flooding - Google Patents
Well head sampler for deep profile control and flooding Download PDFInfo
- Publication number
- CN204175296U CN204175296U CN201420555617.5U CN201420555617U CN204175296U CN 204175296 U CN204175296 U CN 204175296U CN 201420555617 U CN201420555617 U CN 201420555617U CN 204175296 U CN204175296 U CN 204175296U
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- China
- Prior art keywords
- sampling tube
- port
- blow
- deep profile
- sampler
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- Expired - Lifetime
Links
- 238000005070 sampling Methods 0.000 claims abstract description 57
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 31
- 229920000642 polymer Polymers 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 20
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000009499 grossing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a deep is transferred and is driven and use well head sampler, it is equipped with a sampling tube, the port department of sampling tube is equipped with a clamp head, a pot head of clamp head is established and is fixed on the outer peripheral face of port, be equipped with a sampling tube and an blow-down pipe on the lateral wall of sampling tube relatively, be connected with a sample valve on the sampling tube, then install an blow-down valve on the blow-down pipe, between the inside wall of sampling tube and the terminal surface of its port the inside wall of sampling tube is smooth transitional coupling rather than between the bobbin base respectively. The utility model discloses a deep is transferred and is driven and use well head sampler for profile control water shutoff, deep are transferred and are driven, the polymer is driven and chemical solution of driving, can not appear shearing phenomenon during the feed liquor, and operation safety does not influence normal production.
Description
Technical field
The utility model belongs to field of petroleum exploitation, in particular to a kind of sampler, and especially a kind of deep profile correction Wellhead sampler for profile control and water plugging, deep profile correction, polymer flooding and chemical flooding solution.
Background technology
Polymer flooding, deep profile correction are the widely used tertiary oil recovery technologies of current each elephant, this technology aqueous solutions of polymers is displacing medium, to increase the viscosity injecting water, improve its sweep efficiency, thus reach the object improving oil recovery factor, and the polymer solution viscosity of preparation is higher, its sweep area is larger, and oil displacement efficiency is also just unreasonable to be thought.
Polymer solution viscosity is the leading indicator affecting oil displacement efficiency, when polymer solution mixture, or by the course of conveying of pump and gate, or when being injected by perforation holes, or on the stratum of near wellbore, and in whole oil reservoir flow event, all may be subject to high stress and degrade.In ground injecting system, the sample that the mensuration of powdery polymer degraded is got using slaking tank is as standard sample, at steady state, respectively to slaking tank, low sheraing screw pump, coarse filter, fine filtrator, storage tank, high-pressure metering pump, static mixer and Injection Well wellhead sampling, usually contrast with Injection Well wellhead sampling and standard sample solution viscosity, evaluate the impact of polymer solution viscosity loss on oil displacement efficiency.
Current normally used sampler, or the feed liquor place needle valve be connected with shaft collar connects, and feed pathway is little, there is right angle bend, and polymer exists shears phenomenon; Sample time is long, easily freezes in winter; Do not have current-limiting apparatus, during emptying, liquid stream is unstable, and easily cause pipeline to shake after unlatching, valve often can slowly be closed automatically, and sample rate is slow; Need when installing sampler to stop note operation, impact is normally produced, and wastes time and energy.
Therefore, be necessary to provide a kind of deep profile correction Wellhead sampler for profile control and water plugging, deep profile correction, polymer flooding and chemical flooding solution, overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of deep profile correction Wellhead sampler, for profile control and water plugging, deep profile correction, polymer flooding and chemical flooding solution, there will not be shearing phenomenon during feed liquor, handling safety, do not affect normal production, overcome the defect of prior art.
For this reason, the utility model proposes a kind of deep profile correction Wellhead sampler, it is provided with a sampling tube, the port of described sampling tube is provided with a hoop, on the sheathed outer peripheral face being fixed on described port in one end of described hoop, the sidewall of described sampling tube is provided with relatively a probe tube and a blow-down pipe, described probe tube is connected with a sample valve, described blow-down pipe is then provided with an atmospheric valve, between the inside wall of described sampling tube and the end face of its port, the inside wall of described sampling tube with at the bottom of it between be respectively to smoothly transit and be connected.
Deep profile correction Wellhead sampler as above, wherein, described deep profile correction Wellhead sampler is provided with a sampling tube, the port of described sampling tube is provided with a hoop, on the sheathed outer peripheral face being fixed on described port in one end of described hoop, the sidewall of described sampling tube is provided with relatively a probe tube and a blow-down pipe, described probe tube is connected with a sample valve, described blow-down pipe is then provided with an atmospheric valve, between the inside wall of described sampling tube and the end face of its port, the inside wall of described sampling tube with at the bottom of it between be respectively to smoothly transit and be connected.
Deep profile correction Wellhead sampler as above, wherein, the sidewall of described sampling tube is provided with relatively a thief hole and a relieving device, and one end of described probe tube plugs and is fixed on described thief hole place, and described blow-down pipe then grafting is fixed in described relieving device.
Deep profile correction Wellhead sampler as above, wherein, it is convex that the inside wall of the port of described sampling tube is provided with a ring, and the convex surface of described ring is connected for smoothly transitting with between the end face of described port and the inside wall of described sampling tube.
Deep profile correction Wellhead sampler as above, wherein, the internal diameter of described sampling tube is reduced towards the direction at the bottom of described port and cylinder gradually by middle section.
The deep profile correction Wellhead sampler that the utility model provides, by arranging sampling tube, hoop, blow-down pipe, probe tube, atmospheric valve and sample valve, on the one hand, because this sampling tube is connected by hoop with production gate, make inlet of the present utility model (the hoop other end) place's caliber identical with well head, adopt smoothing processing, during feed liquor there is not shear shinning phenomenon in polymer solution, can the viscosity of accurate response well head polymer solution and concentration, on the other hand, inner barrel due to this sampling tube adopts the design of type droplet-shaped, unstable or the injection situation of the liquid stream that causes because pressure is excessive can be effectively avoided to occur, be convenient to safety and steady sampling operation.In addition, after sampling, excess polymer solution is discharged under gravity automatically, do not need disassembly, cleaning, when avoiding sample winter, residual polymer solution such as easily to freeze at the problem, has handling safety, and does not affect normal production, simple and convenient, truly can reflect the polymer solution viscosity at the bottom of well head place Injection Well and concentration.
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 composition structural representation of deep profile correction Wellhead sampler of the present utility model.
Critical element label declaration:
1 sampling tube 11 port
At the bottom of convex 12 of 111 rings
13 thief hole 14 relieving devices
2 hoop 3 probe tubes
4 blow-down pipe 5 sample valves
6 atmospheric valves
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of the deep profile correction Wellhead sampler that the utility model proposes, structure, feature and effect, be described in detail as follows.In addition, by the explanation of detailed description of the invention, when can to the utility model for the technological means reaching predetermined object and take and effect are goed deep into concrete understanding more, but institute's accompanying drawing be only to provide with reference to and use is described, is not used for being limited the utility model.
Fig. 1 is the composition structural representation of deep profile correction Wellhead sampler of the present utility model.
As shown in Figure 1, the deep profile correction Wellhead sampler 100 that the utility model proposes, be provided with a sampling tube 1, port one 1 place of described sampling tube 1 is provided with a hoop 2, on the sheathed outer peripheral face being fixed on described port one 1 in one end of described hoop 2, the sidewall of described sampling tube 1 is provided with relatively probe tube 3 and a blow-down pipe 4, described probe tube 3 is connected with a sample valve 5, described blow-down pipe 4 is then provided with an atmospheric valve 6, between the inside wall of described sampling tube 1 and the end face of its port one 1, the inside wall of described sampling tube 1 is connected with being respectively to smoothly transit between 12 at the bottom of it.Wherein, preferred described sampling tube 1 is made up of corrosion resisting steel material.
The deep profile correction Wellhead sampler 100 that the utility model proposes, when practicing, be connected with production gate (not shown) by this hoop 2, make inlet of the present utility model (other end of hoop 2) place's caliber identical with well head, namely smoothing processing is adopted at inlet, during feed liquor there is not shear shinning phenomenon in polymer solution, can the viscosity of accurate response well head polymer solution and concentration.
Wherein, the sidewall of described sampling tube 1 is provided with relatively thief hole 13 and a relieving device 14, one end of described probe tube 3 plugs and is fixed on described thief hole 13 place, and 4 grafting of described blow-down pipe are fixed in described relieving device 14.Thus, make the connection that described probe tube 3, setting-out pipe 4 and probe tube 1 can be more firm, there is better functional reliability.
As shown in Figure 1, preferably be provided with a ring convex 111 at the inside wall at port one 1 place of described sampling tube 1, the surface of described ring convex 11 is connected for smoothly transitting with between the end face of described port one 1 and the inside wall of described sampling tube 1, to adopt smoothing processing, when avoiding feed liquor, polymer solution produces shear shinning phenomenon at the convex place of ring, guarantees result of use.
In addition, the internal diameter of described sampling tube 1 by stage casing 15 at the bottom of described port one 1 and cylinder 12 direction reduce gradually, make the inside internus droplet-shaped structure of sampling tube 1, the unstable or injection situation of the liquid stream that causes because pressure is excessive effectively can be avoided to occur, be convenient to safety and steady sampling operation.
The deep profile correction Wellhead sampler 100 that the utility model proposes, is directly connected hoop 2 with production gate during use, and closes sample valve 5 and atmospheric valve 6, and placed down by blow-down pipe 4, so that follow-up tapping; Slowly open well head and produce gate, hear in sampling tube 1 and open atmospheric valve 6 after having liquid stream sound, and progressively production gate is reached maximum; Become clear until emptying liquid stream and after stablizing 10 seconds, close and produce gate, open sample valve 5, sampling from probe tube 3; Sample complete, the interpolymer solution of sampling tube 1 is all drained through blow-down pipe 4, thus finishes the work.
In the utility model, this sampling tube 1 is connected by hoop 2 with production gate, be connected with production gate (not shown) by this hoop 2, make inlet of the present utility model (other end of hoop 2) place's caliber identical with well head, namely smoothing processing is adopted at inlet, during feed liquor there is not shear shinning phenomenon in polymer solution, can the viscosity of accurate response well head polymer solution and concentration, the inner barrel of this sampling tube 1 adopts the design of type droplet-shaped simultaneously, unstable or the injection situation of the liquid stream that causes because pressure is excessive can be effectively avoided to occur, be convenient to safety and steady sampling operation, after sampling, excess polymer solution is discharged under gravity automatically, does not need disassembly, cleaning, and when avoiding sample winter, residual polymer solution such as easily to freeze at the problem.
The foregoing is only the schematic detailed description of the invention 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.
Claims (4)
1. a deep profile correction Wellhead sampler, it is characterized in that, described deep profile correction Wellhead sampler is provided with a sampling tube, the port of described sampling tube is provided with a hoop, on the sheathed outer peripheral face being fixed on described port in one end of described hoop, the sidewall of described sampling tube is provided with relatively a probe tube and a blow-down pipe, described probe tube is connected with a sample valve, described blow-down pipe is then provided with an atmospheric valve, between the inside wall of described sampling tube and the end face of its port, the inside wall of described sampling tube with at the bottom of it between be respectively to smoothly transit and be connected.
2. deep profile correction Wellhead sampler as claimed in claim 1, it is characterized in that, the sidewall of described sampling tube is provided with relatively a thief hole and a relieving device, one end of described probe tube plugs and is fixed on described thief hole place, and described blow-down pipe then grafting is fixed in described relieving device.
3. deep profile correction Wellhead sampler as claimed in claim 1 or 2, it is characterized in that, it is convex that the inside wall of the port of described sampling tube is provided with a ring, and the convex surface of described ring is connected for smoothly transitting with between the end face of described port and the inside wall of described sampling tube.
4. deep profile correction Wellhead sampler as claimed in claim 1 or 2, it is characterized in that, the internal diameter of described sampling tube is reduced towards the direction at the bottom of described port and cylinder gradually by middle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555617.5U CN204175296U (en) | 2014-09-25 | 2014-09-25 | Well head sampler for deep profile control and flooding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555617.5U CN204175296U (en) | 2014-09-25 | 2014-09-25 | Well head sampler for deep profile control and flooding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175296U true CN204175296U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420555617.5U Expired - Lifetime CN204175296U (en) | 2014-09-25 | 2014-09-25 | Well head sampler for deep profile control and flooding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314564A (en) * | 2014-09-25 | 2015-01-28 | 中国石油天然气股份有限公司 | Well head sampler for deep profile control and flooding |
| CN113431566A (en) * | 2021-08-12 | 2021-09-24 | 徐占有 | Well head polymer injection sampling pressure taking device |
-
2014
- 2014-09-25 CN CN201420555617.5U patent/CN204175296U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314564A (en) * | 2014-09-25 | 2015-01-28 | 中国石油天然气股份有限公司 | Well head sampler for deep profile control and flooding |
| CN104314564B (en) * | 2014-09-25 | 2017-02-15 | 中国石油天然气股份有限公司 | Well head sampler for deep profile control and flooding |
| CN113431566A (en) * | 2021-08-12 | 2021-09-24 | 徐占有 | Well head polymer injection sampling pressure taking device |
| CN113431566B (en) * | 2021-08-12 | 2022-03-01 | 大庆市万物石油机械制造有限公司 | Well head polymer injection sampling pressure taking device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |