CN106761616A - Construction operation manifold for online injection acidification of water injection well - Google Patents
Construction operation manifold for online injection acidification of water injection well Download PDFInfo
- Publication number
- CN106761616A CN106761616A CN201611116181.XA CN201611116181A CN106761616A CN 106761616 A CN106761616 A CN 106761616A CN 201611116181 A CN201611116181 A CN 201611116181A CN 106761616 A CN106761616 A CN 106761616A
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- Prior art keywords
- pipeline
- resistant
- pressure acid
- pressure
- water injection
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- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000020477 pH reduction Effects 0.000 title abstract 7
- 239000002253 acid Substances 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002332 oil field water Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pipeline Systems (AREA)
Abstract
The invention belongs to the technical field of water injection well acidification in underground operation engineering in the field of oilfield water injection development, and particularly relates to a construction operation manifold for on-line injection and acidification of a water injection well, which comprises a high-pressure acid-resistant pipeline consisting of a plurality of high-pressure acid-resistant pipelines and a plurality of high-pressure acid-resistant elbows, wherein one end of the high-pressure acid-resistant pipeline is connected with an outlet of continuous acidification equipment, and the other end of the high-pressure acid-resistant pipeline is connected with a wellhead of the water injection; the high-pressure acid-resistant pipeline is also connected with a pressure relief pipeline, and the construction operation manifold for the on-line injection acidification of the water injection well greatly improves the connection efficiency of the acidification pipeline, reduces the labor intensity and the safety risk, thereby realizing the purpose of rapid, continuous and on-line acidification.
Description
Technical field
The invention belongs to the water injection well Acidizing Technology field in water flooding field underground work engineering, and in particular to
A kind of water injection well online injection acidifying construction operation manifold used, it is intended to improve acidifying pipeline joint efficiency, reduce labour intensity,
Reduce security risk.
Background technology
Country's fixed tubular column on-line continuous acidifying development now is more rapid, and construction well number and workload rise year by year.But
It from acidizing unit to this section of acidizing treatment operation manifold of well head is not also very complete to be, connects that operation is more during construction, and workload is big,
Efficiency is low, and there is certain security risk.
Current online acidizing treatment operation manifold is most commonly used that to be connected with conventional tubing and is connected to the construction manifold of well head, is somebody's turn to do
The shortcomings of method has that pipeline anti-pressure ability is low, tubing is perishable, acid solution cannot be prevented to flow back, assembly and disassembly labour intensity is high.
The content of the invention
It is an object of the invention to improve acidifying pipeline joint efficiency, labour intensity is reduced, reduce security risk, so that real
Now it is acidified rapidly, continuously, online.
Therefore, the invention provides a kind of water injection well online injection acidifying construction operation manifold used, including by multiple high
The high-pressure acid-resistant pipeline of acidproof pipeline and multiple high-pressure acid-resistant elbow compositions is pressed, high-pressure acid-resistant pipeline one end is connected to continuously acidizing
Equipment is exported, and the other end is connected by high-voltage one-way valve with wellhead of water injection well；One is also connected with described high-pressure acid-resistant pipeline
It is individual to bleed off pressure pipeline.
Described high-pressure acid-resistant pipeline includes being installed on the first high-pressure acid-resistant elbow of continuously acidizing equipment outlet, and first is high
Acidproof elbow is pressed to connect the first high-pressure acid-resistant pipeline, the first high-pressure acid-resistant pipeline connects horizontal cloth by the second high-pressure acid-resistant elbow
The the second high-pressure acid-resistant pipeline put, it is resistance to that the second high-pressure acid-resistant pipeline connects the 3rd horizontally disposed high pressure by a Highpressure Tee
Acid tube line, Highpressure Tee another interface connection bleeds off pressure pipeline；3rd high-pressure acid-resistant pipeline is curved by the 3rd high-pressure acid-resistant
Head the 4th high-pressure acid-resistant pipeline of connection, the 4th high-pressure acid-resistant pipeline connects high-voltage one-way valve by the 4th high-pressure acid-resistant elbow.
Described bleeding off pressure is provided with plug valve on pipeline, high-pressure acid-resistant pipeline is connected by plug valve and bleeds off pressure pipeline.
Described high-pressure acid-resistant pipeline is the pipeline that 1502 types are buckled, and nominal diameter DN50, material is 316L stainless steels.
The first described high-pressure acid-resistant elbow and the 4th high-pressure acid-resistant elbow are the elbow that 1502-50 types are buckled, nominal diameter
DN50, material is 316L stainless steels；The second described high-pressure acid-resistant elbow and the 3rd high-pressure acid-resistant elbow are 1502-10 types
The elbow of button, nominal diameter DN50, material is 316L stainless steels.
Described Highpressure Tee is the T-shaped threeway that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels
Matter.
Described plug valve is the plug valve that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels；Put
Pressure pipeline is the pipeline that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels.
Described high-voltage one-way valve is the ball-and-seat that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels
Matter.
Beneficial effects of the present invention：This water injection well online injection acidifying construction operation manifold used that the present invention is provided,
Greatly improve acidifying pipeline joint efficiency, reduce labour intensity, reduce security risk, it is achieved thereby that rapidly, continuously, online acid
The purpose of change.
Brief description of the drawings
The present invention is described in further details below with reference to accompanying drawing.
Fig. 1 is the schematic diagram of structure of the present invention.
Description of reference numerals：1st, the first high-pressure acid-resistant elbow；2nd, the first high-pressure acid-resistant pipeline；3rd, the second high-pressure acid-resistant is curved
Head；4th, the second high-pressure acid-resistant pipeline；5th, Highpressure Tee；6th, the 3rd high-pressure acid-resistant pipeline；7th, the 3rd high-pressure acid-resistant elbow；8th, the 4th
High-pressure acid-resistant pipeline；9th, the 4th high-pressure acid-resistant elbow；10th, high-voltage one-way valve；11st, pipeline is bled off pressure；12nd, plug valve.
Specific embodiment
Embodiment 1：
The present embodiment provides a kind of water injection well online injection acidifying construction operation manifold used, as shown in figure 1, including by multiple high
The high-pressure acid-resistant pipeline of acidproof pipeline and multiple high-pressure acid-resistant elbow compositions is pressed, high-pressure acid-resistant pipeline one end is connected to continuously acidizing
Equipment is exported, and the other end is connected by high-voltage one-way valve 10 with wellhead of water injection well；It is also connected with described high-pressure acid-resistant pipeline
One bleeds off pressure pipeline 11.
The pipeline anti-pressure ability of online acidizing treatment operation manifold is low at present, tubing is perishable, acid solution cannot be prevented to flow back,
The shortcomings of assembly and disassembly labour intensity is high.This manifold of the present embodiment, it is curved using multiple high-pressure acid-resistant pipelines and multiple high-pressure acid-resistants
The high-pressure acid-resistant pipeline of head composition, the high pressure acid solution that acidizing unit outlet is pumped out, can be safe and simple by high-pressure acid-resistant pipeline
Be flowed into water injection well, when construct stopping need pressure release when, liquid is released by bleeding off pressure pipeline 11 in pipeline.
Embodiment 2：
The present embodiment carries out the detailed description of structure on the basis of embodiment 1, and high-pressure acid-resistant pipeline includes being installed on continuous acid
First high-pressure acid-resistant elbow 1 of change equipment outlet, the first high-pressure acid-resistant elbow 1 connects the first high-pressure acid-resistant pipeline 2, the first high pressure
Acidproof pipeline 2 connects the second horizontally disposed high-pressure acid-resistant pipeline 4, the second high-pressure acid-resistant pipe by the second high-pressure acid-resistant elbow 3
Line 4 connects the 3rd horizontally disposed high-pressure acid-resistant pipeline 6 by a Highpressure Tee 5, and another interface connection of Highpressure Tee 5 is put
Pressure pipeline 11；3rd high-pressure acid-resistant pipeline 6 connects the 4th high-pressure acid-resistant pipeline 8, the 4th by a 3rd high-pressure acid-resistant elbow 7
High-pressure acid-resistant pipeline 8 connects high-voltage one-way valve 10 by the 4th high-pressure acid-resistant elbow 9.Bleed off pressure and be provided with plug valve on pipeline 11
12, high-pressure acid-resistant pipeline is connected by plug valve 12 and bleeds off pressure pipeline 11.
High-pressure acid-resistant pipeline and high-pressure acid-resistant elbow composition high-pressure acid-resistant pipeline, can cause pipeline anti-pressure ability,
Resistance to corrosion is lifted；Due to thering is multiple elbows and pipeline to carry out the vertical tortuous mating connection of level in pipeline, can make
High pressure acid solution flow direction complications are obtained, the setting of Combined with Radiotherapy pressure pipeline 11 can effectively prevent acid solution from flowing back.
Embodiment 3：
In order to reduce the assembly and disassembly labour intensity of manifold, each portion in each elbow, pipeline and pipeline is specified in the present embodiment
Part is the unified size of standard, and specifically, high-pressure acid-resistant pipeline is the pipeline that 1502 types are buckled, nominal diameter DN50, and material is
316L stainless steels.
The elbow that first high-pressure acid-resistant elbow 1 and the 4th high-pressure acid-resistant elbow 9 are buckled for 1502-50 types, nominal diameter DN50,
Material is 316L stainless steels；Described the second high-pressure acid-resistant elbow 3 and the 3rd high-pressure acid-resistant elbow 7 are buckled for 1502-10 types
Elbow, nominal diameter DN50, material be 316L stainless steels.
Highpressure Tee 5 is the T-shaped threeway that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels.Cock
Valve 12 is the plug valve that 1502 types are buckled, and nominal diameter DN50, its material is 316L stainless steels；Pipeline 11 is bled off pressure for 1502 types
The pipeline of button, nominal diameter DN50, its material is 316L stainless steels.High-voltage one-way valve 10 is the ball-and-seat that 1502 types are buckled,
Nominal diameter DN50, its material is 316L stainless steels.
Unified by the standard of above-mentioned part, the manifold of the present embodiment is more convenient when dismounting, can be significantly
Degree ground reduces the assembly and disassembly labour intensity of workman.
In sum, the setting that the present invention passes through said structure, really solves online acidizing treatment operation manifold at present
Pipeline anti-pressure ability it is low, tubing is perishable, cannot prevent acid solution flow back, assembly and disassembly labour intensity it is high the shortcomings of, greatly improve acid
Change pipeline joint efficiency, reduce labour intensity, reduce security risk, it is achieved thereby that the purpose being acidified rapidly, continuously, online.
It is exemplified as above be only to of the invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is that design same or analogous with the present invention is belonged within protection scope of the present invention.
Claims (8)
1. a kind of water injection well online injection is acidified construction operation manifold used, it is characterised in that：Including by multiple high-pressure acid-resistant pipes
The high-pressure acid-resistant pipeline of line and multiple high-pressure acid-resistant elbow compositions, high-pressure acid-resistant pipeline one end is connected to continuously acidizing equipment and goes out
Mouthful, the other end passes through high-voltage one-way valve（10）It is connected with wellhead of water injection well；One is also connected with described high-pressure acid-resistant pipeline
Bleed off pressure pipeline（11）.
2. water injection well online injection as claimed in claim 1 is acidified construction operation manifold used, it is characterised in that：Described height
Pressing acidproof pipeline includes being installed on the first high-pressure acid-resistant elbow of continuously acidizing equipment outlet（1）, the first high-pressure acid-resistant elbow（1）
Connect the first high-pressure acid-resistant pipeline（2）, the first high-pressure acid-resistant pipeline（2）By the second high-pressure acid-resistant elbow（3）Connect horizontal cloth
The the second high-pressure acid-resistant pipeline put（4）, the second high-pressure acid-resistant pipeline（4）By a Highpressure Tee（5）Connection is horizontally disposed
3rd high-pressure acid-resistant pipeline（6）, Highpressure Tee（5）The connection of another interface bleeds off pressure pipeline（11）；3rd high-pressure acid-resistant pipeline（6）
By a 3rd high-pressure acid-resistant elbow（7）Connect the 4th high-pressure acid-resistant pipeline（8）, the 4th high-pressure acid-resistant pipeline（8）By
Four high-pressure acid-resistant elbows（9）Connection high-voltage one-way valve（10）.
3. water injection well online injection as claimed in claim 1 or 2 is acidified construction operation manifold used, it is characterised in that：It is described
Bleed off pressure pipeline（11）On be provided with plug valve（12）, high-pressure acid-resistant pipeline is by plug valve（12）Connection bleeds off pressure pipeline（11）.
4. water injection well online injection as claimed in claim 3 is acidified construction operation manifold used, it is characterised in that：Described height
It is the pipeline that 1502 types are buckled to press acidproof pipeline, and nominal diameter DN50, material is 316L stainless steels.
5. water injection well online injection as claimed in claim 2 is acidified construction operation manifold used, it is characterised in that：Described
One high-pressure acid-resistant elbow（1）With the 4th high-pressure acid-resistant elbow（9）It is the elbow that 1502-50 types are buckled, nominal diameter DN50, material is
316L stainless steels；The second described high-pressure acid-resistant elbow（3）With the 3rd high-pressure acid-resistant elbow（7）For 1502-10 types are buckled
Elbow, nominal diameter DN50, material is 316L stainless steels.
6. water injection well online injection as claimed in claim 2 is acidified construction operation manifold used, it is characterised in that：Described height
Pressure threeway（5）It is the T-shaped threeway that 1502 types are buckled, nominal diameter DN50, its material is 316L stainless steels.
7. water injection well online injection as claimed in claim 3 is acidified construction operation manifold used, it is characterised in that：Described rotation
Plug valve（12）It is the plug valve that 1502 types are buckled, nominal diameter DN50, its material is 316L stainless steels；Bleed off pressure pipeline（11）For
The pipeline that 1502 types are buckled, nominal diameter DN50, its material is 316L stainless steels.
8. water injection well online injection as claimed in claim 3 is acidified construction operation manifold used, it is characterised in that：Described height
Pressure ball-and-seat（10）It is the ball-and-seat that 1502 types are buckled, nominal diameter DN50, its material is 316L stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116181.XA CN106761616A (en) | 2016-12-07 | 2016-12-07 | Construction operation manifold for online injection acidification of water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116181.XA CN106761616A (en) | 2016-12-07 | 2016-12-07 | Construction operation manifold for online injection acidification of water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761616A true CN106761616A (en) | 2017-05-31 |
Family
ID=58876985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611116181.XA Pending CN106761616A (en) | 2016-12-07 | 2016-12-07 | Construction operation manifold for online injection acidification of water injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761616A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968660A (en) * | 2017-06-06 | 2017-07-21 | 华美孚泰油气增产技术服务有限责任公司 | A kind of new pressure break high pressure line connection combination and corresponding high pressure delivery system |
| CN111502617A (en) * | 2020-03-25 | 2020-08-07 | 中国海洋石油集团有限公司 | Long-term online intelligent blockage removing system for water injection well |
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| CN202658673U (en) * | 2012-05-16 | 2013-01-09 | 杭州宏升塑胶有限公司 | Noise reduction and buffer structure of plastic drainage pipeline |
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| CN204782971U (en) * | 2015-07-23 | 2015-11-18 | 盐城市崇达石化机械有限公司 | High -pressure ground fracturing manifold is hindered to low rubbing of serial -type |
| CN204941504U (en) * | 2015-07-31 | 2016-01-06 | 中石化石油工程机械有限公司第四机械厂 | A kind of erosion resistance high pressure combination manifold apparatus |
| CN205154122U (en) * | 2015-08-07 | 2016-04-13 | 胜利油田瑞特机械制造有限责任公司 | Manifold for fracturing |
| CN206309365U (en) * | 2016-12-07 | 2017-07-07 | 中国石油天然气股份有限公司 | Construction operation manifold for online injection acidification of water injection well |
-
2016
- 2016-12-07 CN CN201611116181.XA patent/CN106761616A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202439Y (en) * | 2008-05-15 | 2009-03-04 | 吐哈石油勘探开发指挥部 | High pressure short radius omnidirectional right-angle movable elbow |
| CN202064923U (en) * | 2011-02-16 | 2011-12-07 | 杜晓瑞 | Fracture manifold |
| CN202658673U (en) * | 2012-05-16 | 2013-01-09 | 杭州宏升塑胶有限公司 | Noise reduction and buffer structure of plastic drainage pipeline |
| CN203394496U (en) * | 2013-07-30 | 2014-01-15 | 中国石油天然气股份有限公司 | Equal-drift-diameter conventional fracturing wellhead and ground flow |
| CN204782971U (en) * | 2015-07-23 | 2015-11-18 | 盐城市崇达石化机械有限公司 | High -pressure ground fracturing manifold is hindered to low rubbing of serial -type |
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| CN205154122U (en) * | 2015-08-07 | 2016-04-13 | 胜利油田瑞特机械制造有限责任公司 | Manifold for fracturing |
| CN206309365U (en) * | 2016-12-07 | 2017-07-07 | 中国石油天然气股份有限公司 | Construction operation manifold for online injection acidification of water injection well |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968660A (en) * | 2017-06-06 | 2017-07-21 | 华美孚泰油气增产技术服务有限责任公司 | A kind of new pressure break high pressure line connection combination and corresponding high pressure delivery system |
| CN111502617A (en) * | 2020-03-25 | 2020-08-07 | 中国海洋石油集团有限公司 | Long-term online intelligent blockage removing system for water injection well |
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| PB01 | Publication | ||
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Application publication date: 20170531 |