CN105089563B - Watering and casing dosing device for ternary production well - Google Patents
Watering and casing dosing device for ternary production well Download PDFInfo
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- CN105089563B CN105089563B CN201510543454.8A CN201510543454A CN105089563B CN 105089563 B CN105089563 B CN 105089563B CN 201510543454 A CN201510543454 A CN 201510543454A CN 105089563 B CN105089563 B CN 105089563B
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- filter
- piston valve
- water mixing
- water
- hand member
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- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000002156 mixing Methods 0.000 claims abstract description 38
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 8
- 235000020681 well water Nutrition 0.000 claims abstract description 8
- 239000002349 well water Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000003129 oil well Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011206 ternary composite Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a watering and casing dosing device for a ternary production well. Mainly solves the problems that the prior wellhead watering and dosing process is inaccurate in flow control, and the watering valve is not closed tightly, so that the water-containing test is inaccurate and the like. The method is characterized in that: the water mixing pipeline (6) is connected with a filter (2), the filter (2) is provided with two outlets, one outlet is connected to a sleeve (7) through a sleeve piston valve (1), and the other outlet is connected with a wellhead sampling device (3) through a high-pressure rubber pipe (5). This ternary production well water mixing, sleeve pipe charge device has solved present concentrated charge device and has blockked up owing to the concentrated medicine technology that the water mixing quality of water is poor to and because of watering valve is closed not tight during the well head sample, influence the inaccurate scheduling problem of sample water content chemical examination, has shortened oil recovery workman's sample time, has alleviateed intensity of labour, has improved work efficiency.
Description
Technical field
The present invention relates to oilfield, specifically a kind of ternary extraction well water mixing, casing medicament adding device.
Background technology
Ternary composite driving technology is the important means that oil field late high water content period further improves recovery ratio, is come at present
The all-round popularization stage.But strong base ternary composite driving, with the extension of development time, the fouling of extraction well is serious, and influence oil well is normally given birth to
Production in well head and shaft bottom sleeve pipe, it is necessary to add scale preventative to reduce scale velocity.Current dosing method has individual well and concentrates dosing
Two ways, concentrates dosing to be more suitable for industrializing the larger block of area, but because current ternary well water mixing water quality is very poor, collection
The application of middle dosing technique easily there arises a problem that:1st, the control of dosing flow is inaccurate;2nd, dosing technique and water nozzle are frequently occluded, and are caused
Pipeline freezes;3rd, flow controller cleaning and water nozzle change difficult;4th, flow measurement valve, which freezes, to open, and cause flowmeter
The problems such as amount is difficult.
Simultaneously there is problem in Wellhead water-blending technique and wellhead sampling:1st, because water mixing valve is not closed completely, influence sample is aqueous
The inaccurate problem of chemical examination;2nd, water mixing easily blocks influence production in production control process by impurity;3rd, former sampler can only take
To the sample of partial points, without representativeness;4th, wellhead production valve easy wax deposition or jelly in, without heat tracing, being managed between water mixing pipe
Stifled, the mouth of pipe, which is tended to have, deposits dead oil;5th, cause often to go out during the oil well managements such as waste, the pollution of environment of crude oil during sampling emptying
Existing the problem of.
The content of the invention
Above-mentioned in the prior art in order to overcome the shortcomings of, the present invention provides a kind of ternary extraction well water mixing, sleeve pipe dosing dress
Put, the water mixing of ternary extraction well, casing medicament adding device solve the collection for concentrating chemicals dosing plant to be caused due to water mixing water quality inferiority at present
Middle dosing technique is blocked, and because water mixing valve is not closed completely during wellhead sampling, the problems such as aqueous chemical examination of influence sample is inaccurate, contracting
The short sample time of oil recovery workman, labor intensity is alleviated, operating efficiency is improved.
The technical scheme is that:A kind of ternary extraction well water mixing, casing medicament adding device, including water mixing pipeline, high pressure
Filter is connected with sebific duct, the water mixing pipeline, filter passes through high-pressure rubber pipe and set provided with two outlets, one outlet
Pipe piston valve is connected, and the other end of sleeve piston valve is connected on sleeve pipe, and another outlet connects well head by high-pressure rubber pipe
Sampler;
The filter includes filter overcoat, and filter overcoat is to be provided with three import and export, wherein T-shaped in T-shaped, T-shaped
Bottom is connected with sedimentation plug, and both upper ends thereof exit is connected to filter plug, and the lower inside of T-shaped is provided with thick mistake
Filter screen, upper inner, which is fixed with inside smart screen pack, smart screen pack, is equipped with tap connector, and tap connector two ends are connected respectively
Have and water nozzle anchor tip is connected with water nozzle, water nozzle;Import is connected with water mixing pipeline at the bottom tube wall of the filter overcoat;
The sampler includes being equipped with fast sampling joint inside well head plug, the left end of well head plug, right-hand member connection
Straight through piston valve, straight through piston valve left end and fast sampling junction contacts, right-hand member are equipped with inside liquid trap fixture, well head plug
Back-moving spring B is connected with, back-moving spring B right-hand member is withstood on liquid trap fixture.
Described sleeve pipe piston valve includes valve body, base, and valve body right-hand member is connected with base, and valve inner is provided with piston valve, living
Plug valve right-hand member is connected with back-moving spring A, and back-moving spring A right-hand members are fixed on base, and the piston valve left end is connected with quickly
Sample connection.
The present invention has the advantages that:Due to taking such scheme, the device is mainly used in ternary demonstration area oil
Well wellhead casing pipe concentrates dosing, solves and concentrates chemicals dosing plant to be blocked up due to the concentration dosing technique that water mixing water quality inferiority is caused at present
Plug, and because water mixing valve is not closed completely during wellhead sampling, the problems such as aqueous chemical examination of influence sample is inaccurate;Shorten oil recovery workman
Sample time, alleviate labor intensity, improve operating efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of sleeve piston valve;
Fig. 3 is the structural representation of water mixing filter;
Fig. 4 is the structural representation of sampler.
1- sleeve pistons valve in figure, 2- filters, 3- samplers, 4- fast sampling joints, 5- high-pressure rubber pipes, 6- water mixings
Pipeline, 7- sleeve pipes, 8- oil return pipelines, 11- snap joints, 12- valve bodies, 13- piston valves, 14- bases, 15- back-moving springs A, 21-
Filter plug, 22- water nozzle anchor tips, 23- water nozzles, 24- essence screen packs, 25- tap connectors, 26- filter overcoats,
27- coarse filtration nets, 28- sedimentation plugs, 32- well head plugs, 33- straight through piston valve, 34- back-moving springs B, 35- liquid trap is fixed
Part, 36- liquid traps.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings:
As shown in Fig. 1 to Fig. 4, a kind of ternary extraction well water mixing, casing medicament adding device, including water mixing pipeline 6, high-pressure rubber pipe
5, filter 2 is connected with the water mixing pipeline 6, filter 2 is connected provided with two outlets, one outlet by high-pressure rubber pipe
Sleeve piston valve 1, and the other end of sleeve piston valve 1 is connected on sleeve pipe 7, another outlet connection high-pressure rubber pipe 5, high-pressure glue
The other end of pipe 5 connects well head sampling apparatus 3 by snap joint 4, and the other end of well head sampling apparatus 3 connects back to oil pipeline 8.
Described sleeve pipe piston valve 1 includes valve body 12, base 14, and the right-hand member of valve body 12 is connected with base 14, and puts therebetween
There is sealing ring, the inside of valve body 12 is provided with piston valve 13, the inside center of piston valve 13 is provided with fluid course in the axial direction, and liquid
Circulation road right part is provided with perpendicular liquid pass hole.The right-hand member of piston valve 13 is connected with back-moving spring 15, and back-moving spring 15 is right
End is fixed on base 14, and the left end of piston valve 13 is connected with fast sampling joint 11.When the sleeve piston valve 1 is by quick
When sample connection 11 is connected on sleeve pipe 7, fast sampling joint ejects to the right piston valve 13, and fluid course is got through, and makes set
Pipe piston valve 1 or so is communicated.
The filter 2 includes filter overcoat 26, the generally T-shaped of filter overcoat 26, T-shaped both upper ends thereof and bottom side
Wall has import and export, and bottom sidewall is import, connection water mixing pipeline 6, and both upper ends thereof is outlet, both upper ends thereof outlet punishment
Filter plug 21 is not connected with, meanwhile, T-shaped bottom is also associated with settling plug 28.The T-shaped bottom of the filter overcoat 26
Inner side is provided with coarse filtration net 27, and the water in water mixing pipeline 6 is hence into filter, and T-shaped upper inner is fixed with smart screen pack 24,
The liquid filtered by coarse filtration net 27 is again by smart filter screen filtration.Tap connector 25, water nozzle are equipped with inside smart screen pack 24
The two ends of connector 25 are connected on water nozzle 23, water nozzle 23 and are connected with water nozzle anchor tip 22.Be tod again by smart screen pack 24
The liquid of filter is conveyed by water nozzle 23 to two ends.When in use, sedimentation plug 28 and filter plug 21 are torn open for the filter 2
Under, bottom sidewall import is connected on water mixing pipeline 6, and the outlet of both upper ends thereof connects high-pressure rubber pipe 5, the high-pressure glue of one end respectively
Pipe 5 is connected on sleeve pipe 7 by sleeve piston valve 1, and the high-pressure rubber pipe 5 of the other end passes through the connection sampling dress of fast sampling joint 4
Put 3.
The sampler 3 includes being equipped with fast sampling joint 4 inside well head plug 32, the left end of well head plug 32, leads to
Quick sample connection 4 is crossed to be connected with high-pressure rubber pipe 5.The right-hand member of well head plug 32 connection liquid trap fixture 35, liquid trap fixture
The liquid trap 36 of toroidal is fixed with 35.Straight through piston valve 33, the center of straight through piston valve 33 are equipped with inside well head plug 32
Place is axially provided with fluid course, and its right-hand member is provided with the liquid pass hole perpendicular with fluid course, the left end of straight through piston valve 33 with it is fast
Fast sample connection 34 is contacted, and right-hand member is connected with back-moving spring 34, and the right-hand member of back-moving spring 34 is withstood on liquid trap fixture 35.
In water mixing and sleeve pipe dosing, filtered by the water of water mixing pipeline 6 by the coarse filtration net 27 of water mixing filter 2 and essence
After two layers of filtering of net 24, it is divided into two parts, a part carries out dosing by the sprue bushing 7 of sleeve piston valve 1, and another part leads to
Over sampling device 3 flows into oil return pipeline 8 and carries out water mixing, and wherein water nozzle 23 of the watering quantity in water mixing filter 2 is adjusted.Need
When sampling, valve at the plug of filter right side is closed, the snap joint 4 being connected with well head sampling apparatus 3 is unloaded, connection is quick
Sample connection is sampled;During flow measurement, flowmeter is connected by left side high-pressure rubber pipe, sleeve piston valve 1 with flow,
And can be connected with rapid pressure meter connector with sleeve piston valve 1 measure oil, casing pressure.
Claims (2)
1. a kind of ternary extraction well water mixing, casing medicament adding device, including water mixing pipeline(6), high-pressure rubber pipe(5), it is characterised in that:
The water mixing pipeline(6)On be connected with filter(2), filter(2)Provided with two outlets, one outlet passes through high-pressure rubber pipe
With sleeve piston valve(1)Connection, and sleeve piston valve(1)The other end be connected to sleeve pipe(7)On, another outlet passes through high pressure
Sebific duct(5)Connect well head sampling apparatus(3);
The filter(2)Including filter overcoat(26), filter overcoat(26)For T-shaped, three import and export are provided with T-shaped,
Wherein T-shaped bottom is connected with sedimentation plug(28), both upper ends thereof exit is connected to filter plug(21), and T-shaped
Lower inside is provided with coarse filtration net(27), upper inner is fixed with smart screen pack(24), smart screen pack(24)Inside is equipped with water nozzle
Connector(25), tap connector(25)Two ends are connected to water nozzle(23), water nozzle(23)On be connected with water nozzle anchor tip
(22);The filter overcoat(26)Bottom tube wall at import and water mixing pipeline(6)Connection;
The sampler(3)Including well head plug(32), well head plug(32)Left end inside be equipped with fast sampling joint
(4), right-hand member connection liquid trap fixture(35), well head plug(32)Inside is equipped with straight through piston valve(33), straight through piston valve
(33)Left end and fast sampling joint(34)Contact, right-hand member is connected with back-moving spring B(34), back-moving spring B(34)Right-hand member top
In liquid trap fixture(35)On.
2. ternary extraction well water mixing according to claim 1, casing medicament adding device, it is characterised in that:Described sleeve pipe piston
Valve(1)Including valve body(12), base(14), valve body(12)Right-hand member is connected with base(14), valve body(12)Inside is provided with piston valve
(13), piston valve(13)Right-hand member is connected with back-moving spring A(15), and back-moving spring A(15)Right-hand member is fixed on base(14)On, institute
State piston valve(13)Left end is connected with fast sampling joint(11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510543454.8A CN105089563B (en) | 2015-08-28 | 2015-08-28 | Watering and casing dosing device for ternary production well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510543454.8A CN105089563B (en) | 2015-08-28 | 2015-08-28 | Watering and casing dosing device for ternary production well |
Publications (2)
Publication Number | Publication Date |
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CN105089563A CN105089563A (en) | 2015-11-25 |
CN105089563B true CN105089563B (en) | 2017-07-28 |
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CN201510543454.8A Active CN105089563B (en) | 2015-08-28 | 2015-08-28 | Watering and casing dosing device for ternary production well |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110952962B (en) * | 2019-06-04 | 2022-02-01 | 中国石油天然气股份有限公司 | Pressure measuring and chemical adding device for oil well mouth and using method thereof |
CN110257034A (en) * | 2019-07-12 | 2019-09-20 | 中国石油化工股份有限公司 | A kind of water mixing pipeline snaking de-plugging agent and its plug-removing device |
CN114198055B (en) * | 2020-09-02 | 2023-07-28 | 中国海洋石油集团有限公司 | Sampling injection switching valve and sampling injection method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US6058772A (en) * | 1996-09-03 | 2000-05-09 | Posiva Oy | Sampling device |
CN201963252U (en) * | 2010-12-30 | 2011-09-07 | 孙小海 | Anti-theft unblocking sampling valve for oil extraction well opening |
CN202047803U (en) * | 2011-03-29 | 2011-11-23 | 中国石油化工股份有限公司 | Water mixing device |
CN203296755U (en) * | 2013-06-09 | 2013-11-20 | 田大志 | Multifunctional rapid source taking device |
CN104632127B (en) * | 2013-11-15 | 2017-05-10 | 中国石油天然气股份有限公司 | Oil Production Wellhead Integrated Device |
CN104612638A (en) * | 2014-12-11 | 2015-05-13 | 中国石油天然气股份有限公司 | Automatic dosing method and system for oil well scale prevention |
CN104976351A (en) * | 2015-05-15 | 2015-10-14 | 中国石油天然气集团公司 | Combined valve with functions of water mixing and thermal washing |
CN204827379U (en) * | 2015-08-28 | 2015-12-02 | 中国石油天然气股份有限公司 | Watering and casing dosing device for ternary production well |
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