CN107973350A - Wellhead of water injection well water treatment method - Google Patents
Wellhead of water injection well water treatment method Download PDFInfo
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- CN107973350A CN107973350A CN201610941847.9A CN201610941847A CN107973350A CN 107973350 A CN107973350 A CN 107973350A CN 201610941847 A CN201610941847 A CN 201610941847A CN 107973350 A CN107973350 A CN 107973350A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 238000002347 injection Methods 0.000 title claims abstract description 148
- 239000007924 injection Substances 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000002349 well water Substances 0.000 title claims abstract description 21
- 235000020681 well water Nutrition 0.000 title claims abstract description 21
- 230000035699 permeability Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000003129 oil well Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Geology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Mining & Mineral Resources (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Food Science & Technology (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Medicinal Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filtering Materials (AREA)
Abstract
Disclose a kind of wellhead of water injection well water treatment method.This method can include：The stratum gas permeability of water injection well is analyzed, determines injection water quality classification；And based on injection water quality classification, determine to be installed on type, mounting means and the specification of filter material of the filter of wellhead of water injection well.The present invention in wellhead of water injection well by installing filter, injection water quality is controlled in the indexs such as corrosion and scaling, suspended matter, significantly improve the water quality of injection water, extend the duty cycle of water injection well, reduce the unit consumption of injection water, and construction is simple will not impact production, so as to improve oil well output.
Description
Technical field
The present invention relates to oil exploitation engineering field, more particularly, to a kind of wellhead of water injection well water treatment method.
Background technology
In oil exploitation engineering field, after oil field enters the High water cut productive life, be badly in need of improving recovery ratio, and LOW PERMEABILITY RESERVOIR by
In formation physical property is poor, waterflood-transmission line using for many years, has polluted water quality in the injecting process, the serious shadow such as corrosion and scaling
Injection water quality has been rung, has caused the secondary pollution to water quality, has caused water injection pressure to rise, difficult water injection, under corresponding oil well output
Drop.Often production is not only have impact on, but also cause people to the de-plugging of water filling well acidizing to meet injection allocation requirement in order to note water inlet
The consumption of power, financial resources.Current water technology is handled in station mostly, and is purified sewage and arrived by long distance delivery
During up to water injection well, since the change of environmental condition causes water degradation, the water absorbing capacity force difference of less permeable layer in part, water filling are caused
The passive situations such as liquid production structure imbalance.And replace waterflood-transmission line fund input big, heavy workload, construction time it is long, to normal raw
Production influences greatly, to be unfavorable for oilfield economic exploitation.Therefore, it is necessary to develop a kind of wellhead of water injection well water treatment method.
The information for being disclosed in background of invention part is merely intended to deepen the reason of the general background technology to the present invention
Solution, and be not construed as recognizing or imply known to those skilled in the art existing of the information structure in any form
Technology.
The content of the invention
The present invention proposes a kind of wellhead of water injection well water treatment method, the method may include：Analyze water injection well
Stratum gas permeability, determines injection water quality classification；And based on the injection water quality classification, determine to be installed on water injection well well
Type, mounting means and the specification of filter material of the filter of mouth.
Preferably, the definite injection water quality classification includes：Measure the stratum gas permeability of the water injection well；If institute
The stratum gas permeability for stating water injection well is less than or equal to 10 × 10-3μm2, it is A1 to determine injection water quality classification；If the note
The stratum gas permeability of well is more than 10 × 10-3μm2, and less than or equal to 50 × 10-3μm2, determine that injection water quality classification is
A2；And if the stratum gas permeability of the water injection well is more than 50 × 10-3μm2, it is A3 to determine injection water quality classification.
The injection water quality classification is preferably based on, determining the type of filter includes：If injection water quality classification
For A1 or A2, it is secondary filter to determine filter type；And if injection water quality classification is A3, determine filter type
For grade one filter.
The injection water quality classification is preferably based on, determines that specification of filter material includes：If injection water quality classification is A1
Or A2, it is 1400-1600 mesh to determine the specification of filter material；And if injection water quality classification is A3, determine the filtrate rule
Lattice are 1000-1200 mesh.
The injection water quality classification is preferably based on, determines that mounting means includes：If injection water quality classification is A1
Or A2, the mounting means of the secondary filter are to be installed in series.
Preferably, further include：Water quality monitoring is carried out to the water injection well, if the amplitude of variation of water quality monitoring result exceedes
Predetermined value, then backwash the filter.
Preferably, the suspended solids content of the water injection well is monitored.
Injection water quality classification of the invention based on water filling well, determines to be installed on the class of the filter of wellhead of water injection well
Type, mounting means and specification of filter material, control injection water quality in the indexs such as corrosion and scaling, suspended matter, hence it is evident that carry
The water quality of height injection water, extends the duty cycle of water injection well, reduces the unit consumption of injection water, and construction is simple will not cause production
Influence, so as to improve oil well output.
Methods and apparatus of the present invention have the advantages that other characteristics and, these characteristics and advantage are attached from what is be incorporated herein
It will be apparent in figure and subsequent embodiment, or by the attached drawing being incorporated herein and subsequent specific reality
Apply in mode and stated in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Brief description of the drawings
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein, in exemplary embodiment of the invention, identical reference number
Typically represent same parts.
Fig. 1 shows the flow chart of the step of wellhead of water injection well water treatment method according to the present invention.
Embodiment
After present China oil field has been enter into the High water cut productive life mostly, it is badly in need of improving recovery ratio, and remaining oil all divides substantially
Cloth is rotten since formation physical property is poor, waterflood-transmission line using for many years, has polluted water quality in the injecting process in LOW PERMEABILITY RESERVOIR
Erosion, fouling etc. have seriously affected injection water quality, cause the secondary pollution to water quality, cause water injection pressure to rise, difficult water injection,
Corresponding oil well output declines.Often life is both have impact in order to note water inlet to the de-plugging of water filling well acidizing to meet injection allocation requirement
Production, and cause the consumption of manpower, financial resources.
In order to solve this problem, inventor is determined to being carried out before newly-built waterflood-transmission line installation by investigation and laboratory test
Interior preservative treatment, old waterflood-transmission line adding medicine slow down pipeline corrosion and installation well head filtration apparatus.Found after investigation contrast existing
Filter cannot meet oil field needs in pressure-resistant and backwash etc., and the wellhead of water injection well water quality of the present invention is obtained after experiment
Processing method.In addition, inventor also with it is big, resistance to producer's co-production extended type sintered pipes filter, the filter water yield
High pressure, backwash are convenient, and device is light, are safeguarded beneficial to installation.Filter can cooperate to be used at the scene, can be according to reality
The independently installed filter of situation or series, parallel install the different filter of filter core, injection water quality is reached requirement.
The present invention is more fully described below with reference to accompanying drawings.Although the side of being preferable to carry out of the present invention is shown in attached drawing
Formula, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, there is provided these embodiments are of the invention more thorough and complete in order to make, and can be by the scope of the present invention intactly
It is communicated to those skilled in the art.
Embodiment
Fig. 1 shows the flow chart of the step of wellhead of water injection well water treatment method according to the present invention.
In this embodiment, wellhead of water injection well water treatment method according to the present invention can include：Step 101, divide
The stratum gas permeability of water injection well is analysed, determines injection water quality classification；And step 102, based on injection water quality classification, determine
It is installed on type, mounting means and the specification of filter material of the filter of wellhead of water injection well；Step 103, water quality prison is carried out to water injection well
Survey, if the amplitude of variation of water quality monitoring result exceedes predetermined value, filter is backwashed.
Injection water quality classification of the embodiment based on water filling well, determines to be installed on the filter of wellhead of water injection well
Type, mounting means and specification of filter material, control injection water quality in the indexs such as corrosion and scaling, suspended matter, hence it is evident that
The water quality of injection water is improved, extends the duty cycle of water injection well, reduces the unit consumption of injection water, and construction is simple will not make production
Into influence, so as to improve oil well output.
The following detailed description of the specific steps of wellhead of water injection well water treatment method according to the present invention.
In one example, the stratum gas permeability of water injection well is analyzed, determines injection water quality classification.
In one example, determine that injection water quality classification can include：Measure the stratum gas permeability of water injection well；If
The stratum gas permeability of water injection well is less than or equal to 10 × 10-3μm2, it is A1 to determine injection water quality classification；If water injection well
Stratum gas permeability is more than 10 × 10-3μm2, and less than or equal to 50 × 10-3μm2, it is A2 to determine injection water quality classification；And
If the stratum gas permeability of water injection well is more than 50 × 10-3μm2, it is A3 to determine injection water quality classification.
Specifically, based on rock core information, the stratum gas permeability of water injection well is analyzed, determines that injection water quality classification includes：
If the stratum gas permeability of water injection well is less than or equal to 10 × 10-3μm2, it is A1 to determine injection water quality classification；If water filling
The stratum gas permeability of well is more than 10 × 10-3μm2, and less than or equal to 50 × 10-3μm2, it is A2 to determine injection water quality classification；
And if the stratum gas permeability of water injection well is more than 50 × 10-3μm2, it is A3 to determine injection water quality classification.Mentioned above
Injection water quality classification is with reference to original《People's Republic of China (PRC) oil and gas industry standard SY/T 5329-94：Chip shale oil
Hide injection water quality fertilizer index and analysis method》In recommendation water quality major control index, recommend water quality major control index such as
Shown in table 1.
Table 1 recommends water quality major control index
In one example, based on injection water quality classification, it may be determined that be installed on the class of the filter of wellhead of water injection well
Type, mounting means and specification of filter material.
In one example, based on injection water quality classification, determining the type of filter can include：If inject water water
Matter classification is A1 or A2, and it is secondary filter to determine filter type；And if injection water quality classification is A3, determine filtering
Device type is grade one filter.
In one example, based on injection water quality classification, determine that specification of filter material can include：If injection water quality class
Not Wei A1 or A2, it is 1400-1600 mesh to determine specification of filter material；If injection water quality classification is A3, determine that specification of filter material is
1000-1200 mesh.
In one example, based on injection water quality classification, determine that mounting means can include：If injection water quality class
Not Wei A1 or A2, the mounting means of secondary filter is is installed in series.
Specifically, based on injection water quality classification, type, mounting means and the specification of filter material of filter are determined：If note
It is A1 or A2 to enter water water quality classification, and it is secondary filter to determine filter type, and the mounting means of secondary filter is pacified for series connection
Dress, it is 1400-1600 mesh to determine specification of filter material；If injection water quality classification is A3, it is by-pass filtration to determine filter type
Device is not installed, when waterflood-transmission line is long, injection rate is less than 10m3During/d, grade one filter need to be installed, and determine specification of filter material
For 1000-1200 mesh.Those skilled in the art can be installed on the type of the filter of wellhead of water injection well, peace as the case may be
Dress mode and specification of filter material.
In one example, water quality monitoring is carried out to water injection well, made a reservation for if the amplitude of variation of water quality monitoring result exceedes
Value, then backwash filter.
In one example, the suspended solids content of water injection well is monitored.
Specifically, water quality monitoring is carried out to water injection well, as field monitoring suspended solids content more than 2.0mg/l reaches 2-3
My god, then filter is backwashed, to ensure that injection water quality is qualified.
Using example
For ease of understanding the scheme of embodiment of the present invention and its effect, a concrete application example is given below.Ability
Field technique personnel should be understood that the example only for the purposes of understanding the present invention, its any detail is not intended in any way
The limitation present invention.
Certain oil field is inclined monoclinal structure for a south, and reservoir is hundred hilllock group sandstone for the 3rd, oil area 1.4Km2, employ geology
Reserves 56 × 104T, recoverable reserves 6.0 × 104T, porosity average 15.5%, gas permeability average out to 48.0 × 10-3μm2, contain
Oily saturation degree 70%, oil reservoir buried depth 996-1908m, belongs to Low permeability sand oil reservoir.The oil field injection and extraction well pattern imperfection, there is five
For a small fault block still in the production status of " have and adopt without note ", it is the main potential side that block improves development effectiveness to improve flooding pattern
To.Therefore, system is managed outside the ground water quality of block Erecting and improving, it is ensured that injection water quality meets LOW PERMEABILITY RESERVOIR waterflooding extraction needs,
This is to improve the important leverage that flooding pattern improves water-flooding performance potentiality.
Based on rock core information, the average stratum gas permeability for analyzing water injection well is 48.0 × 10-3μm2, more than 10 × 10-3μ
m2, and less than or equal to 50 × 10-3μm2, it is A2 to determine injection water quality classification.And then the type of definite filter is two level mistake
Filter, the mounting means of secondary filter are to be installed in series, wherein, according to regimen condition is injected, determine the filtrate of grade one filter
Specification is 1400 mesh, and the specification of filter material of secondary filter is 1600 mesh.
After filter is installed, water quality monitoring is carried out to water injection well daily, as field monitoring suspended solids content is more than
2.0mg/l reaches 2-3 days, then filter is backwashed, to ensure that injection water quality is qualified.In March, 2013 wellhead of water injection well
The results are shown in Table 2 for water quality monitoring, and wherein suspended solids content is met the requirements, it is not necessary to carries out Filter Back Washing.
Table in March, 2 2013 wellhead of water injection well water quality monitoring result table
After installing filter, the results are shown in Table 3 for wellhead of water injection well water quality monitoring in 2 months in 2014, outstanding due to what is monitored
Floating solids content exceedes predetermined standard value, therefore filter is backwashed at 13 days 2 months.
2 months wellhead of water injection well water quality monitoring result tables of table 3 2014 year
In conclusion this method is by based on injection water quality classification, determining to be installed on the filter of wellhead of water injection well
Type, mounting means and specification of filter material, and follow-up water quality monitoring is carried out, to injection in the indexs such as corrosion and scaling, suspended matter
Water water quality is controlled, hence it is evident that and the water quality of injection water is improved, extends the duty cycle of water injection well, reduces the unit consumption of injection water,
And construction is simple will not impact production, so as to improve oil well output.
It will be understood by those skilled in the art that the purpose of the description to embodiments of the present invention is only for exemplarily above
Illustrate the beneficial effect of embodiments of the present invention, be not intended to embodiments of the present invention being limited to given any show
Example.
The embodiments of the present invention are described above, described above is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed each embodiment.It is right in the case of without departing from the scope and spirit of illustrated each embodiment
Many modifications and changes will be apparent from for those skilled in the art.The choosing of term used herein
Select, it is intended to best explain the principle, practical application or the improvement to the technology in market of each embodiment, or make this technology
Other those of ordinary skill in field are understood that each embodiment disclosed herein.
Claims (7)
1. a kind of wellhead of water injection well water treatment method, including：
The stratum gas permeability of water injection well is analyzed, determines injection water quality classification；And
Based on the injection water quality classification, determine to be installed on type, mounting means and the filtrate of the filter of wellhead of water injection well
Specification.
2. wellhead of water injection well water treatment method according to claim 1, wherein, the definite injection water quality classification bag
Include：
Measure the stratum gas permeability of the water injection well；
If the stratum gas permeability of the water injection well is less than or equal to 10 × 10-3μm2, it is A1 to determine injection water quality classification；
If the stratum gas permeability of the water injection well is more than 10 × 10-3μm2, and less than or equal to 50 × 10-3μm2, determine note
It is A2 to enter water water quality classification；And
If the stratum gas permeability of the water injection well is more than 50 × 10-3μm2, it is A3 to determine injection water quality classification.
3. wellhead of water injection well water treatment method according to claim 2, wherein, based on the injection water quality classification,
Determining the type of filter includes：
If injection water quality classification is A1 or A2, it is secondary filter to determine filter type；And
If injection water quality classification is A3, it is grade one filter to determine filter type.
4. wellhead of water injection well water treatment method according to claim 3, wherein, based on the injection water quality classification,
Determine that specification of filter material includes：
If injection water quality classification is A1 or A2, it is 1400-1600 mesh to determine the specification of filter material；
If injection water quality classification is A3, it is 1000-1200 mesh to determine the specification of filter material.
5. wellhead of water injection well water treatment method according to claim 3, wherein, based on the injection water quality classification,
Determine that mounting means includes：
If injection water quality classification is A1 or A2, the mounting means of the secondary filter is to be installed in series.
6. wellhead of water injection well water treatment method according to claim 1, further includes：
Water quality monitoring is carried out to the water injection well, if the amplitude of variation of water quality monitoring result exceedes predetermined value, to the mistake
Filter is backwashed.
7. wellhead of water injection well water treatment method according to claim 6, wherein containing to the suspended solid of the water injection well
Amount is monitored.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610941847.9A CN107973350A (en) | 2016-10-25 | 2016-10-25 | Wellhead of water injection well water treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944575A (en) * | 2019-03-29 | 2019-06-28 | 中国石油大学(华东) | A kind of oilfields in high water cut period injection water quality decision-making technique based on water quality sensibility |
| CN110622832A (en) * | 2019-09-29 | 2019-12-31 | 重庆纳德雨涧环保科技有限公司 | Intelligent control system and method for greening and sprinkling irrigation of flyover foundation slope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050880U (en) * | 1988-04-23 | 1990-01-10 | 江汉石油管理局钻采设备研究所 | Filter of liquid feeded into well |
| CN2799857Y (en) * | 2005-05-30 | 2006-07-26 | 唐凤芹 | Well mouth filtering device for high pressure water flooding |
| CN104225996A (en) * | 2013-06-24 | 2014-12-24 | 上海竞腾科技有限公司 | Filtering device at wellhead of water injection well in exploitation of low-permeability oil field |
| CN204093171U (en) * | 2014-09-18 | 2015-01-14 | 中国石油化工股份有限公司 | A kind of wellhead of water injection well filter |
| CN104573215A (en) * | 2014-12-31 | 2015-04-29 | 大港油田集团有限责任公司 | Calculation method of profile control agent particle concentration and diameter |
-
2016
- 2016-10-25 CN CN201610941847.9A patent/CN107973350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050880U (en) * | 1988-04-23 | 1990-01-10 | 江汉石油管理局钻采设备研究所 | Filter of liquid feeded into well |
| CN2799857Y (en) * | 2005-05-30 | 2006-07-26 | 唐凤芹 | Well mouth filtering device for high pressure water flooding |
| CN104225996A (en) * | 2013-06-24 | 2014-12-24 | 上海竞腾科技有限公司 | Filtering device at wellhead of water injection well in exploitation of low-permeability oil field |
| CN204093171U (en) * | 2014-09-18 | 2015-01-14 | 中国石油化工股份有限公司 | A kind of wellhead of water injection well filter |
| CN104573215A (en) * | 2014-12-31 | 2015-04-29 | 大港油田集团有限责任公司 | Calculation method of profile control agent particle concentration and diameter |
Non-Patent Citations (2)
| Title |
|---|
| 刘德绪: "《油田污水处理工程》", 30 September 2001, 石油工业出版社 * |
| 邹金光: "精细注水过滤技术概述", 《石油机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944575A (en) * | 2019-03-29 | 2019-06-28 | 中国石油大学(华东) | A kind of oilfields in high water cut period injection water quality decision-making technique based on water quality sensibility |
| CN110622832A (en) * | 2019-09-29 | 2019-12-31 | 重庆纳德雨涧环保科技有限公司 | Intelligent control system and method for greening and sprinkling irrigation of flyover foundation slope |
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