CN109456743A - Oil field stratum supermolecule de-plugging permeation promoter, de-plugging anatonosis system and its application method - Google Patents
Oil field stratum supermolecule de-plugging permeation promoter, de-plugging anatonosis system and its application method Download PDFInfo
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- CN109456743A CN109456743A CN201811234288.3A CN201811234288A CN109456743A CN 109456743 A CN109456743 A CN 109456743A CN 201811234288 A CN201811234288 A CN 201811234288A CN 109456743 A CN109456743 A CN 109456743A
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- oil
- plugging
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/32—Anticorrosion additives
Abstract
The invention discloses a kind of oil field stratum supermolecule de-plugging permeation promoter, de-plugging anatonosis system and its application methods, oil field stratum supermolecule de-plugging permeation promoter, including following components in percentage by weight: aerosol-OT salt 10% ~ 15%, sodium nitrilo triacetate salt 1% ~ 5%, four sodium 1% ~ 5% of iminodisuccinic acid, Sodium Polyacrylate 5% ~ 10%, poly-epoxy succinic acid 5% ~ 10%, surplus are water.It realizes that safety expands de-plugging anatonosis radius using oil field stratum supermolecule de-plugging permeation promoter, improves in-place permeability and crude oil fluidity, and realize to the rapid cleaning of oil well, improve oil well produced rate to improve oil and gas production.
Description
Technical field
The present invention relates to chemical technology field more particularly to a kind of oil field stratum supermolecule de-plugging permeation promoters, de-plugging anatonosis
System and its application method.
Background technique
In oil extraction process, since oil well gos deep into several kms of subterranean strata, water temperature is high, salinity is high, and oil reservoir is twitched
When cross-flow and the temperature difference variation, lead to oil well easily fouling, wax deposition and corrosion.And scale and wax deposition are immiscible phase boundaries,
It is be easy to cause oil layer blocking, permeability decrease can be made, oil production is caused to decline.De-plugging increasing can be expanded safely by how designing one kind
Radius, wider raising in-place permeability and crude oil fluidity are seeped, is institute of the present invention to improve the technology of the tar productivity of oil well
Technical problems to be solved.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of oil field stratum supermolecule de-plugging permeation promoter, de-plugging anatonosis
System and its application method realize that safety expands de-plugging anatonosis radius using oil field stratum supermolecule de-plugging permeation promoter, improve ground
Layer permeability and crude oil fluidity, and realize to the rapid cleaning of oil well, oil well produced rate is improved to improve oil and gas production.
Technical solution provided by the invention is a kind of oil field stratum supermolecule de-plugging permeation promoter, including following weight percent
The component of ratio: aerosol-OT salt 10% ~ 15%, sodium nitrilo triacetate salt 1% ~ 5%, iminodisuccinic acid four
Sodium 1% ~ 5%, Sodium Polyacrylate 5% ~ 10%, poly-epoxy succinic acid 5% ~ 10%, surplus are water.
Further, further includes: 2- acrylamide-2-methyl propane sulfonic 0.5% ~ 1%, fatty alcohol polyoxyethylene ether 0.5% ~
1%, ethyl lactate 4% ~ 8%.
Further, further includes: isothiazolinone 0.5% ~ 1%.
The present invention also provides a kind of de-plugging anatonosis systems, including oil pump, sheath assembly, de-plugging increasing finish pump truck, oil gas
Combination station of gathering and transportation, crude oil storage, treatment tank, water tank, water injecting pump and return pipe, described sleeve pipe component include oil recovery well casing and outer
Casing, the housing pipe sleeve are mounted in oil well in the outside of the oil recovery well casing, described sleeve pipe component, and the de-plugging increases finish
Pump truck is connect with the outer tube, and the oil pump is connected to the lower port of the oil recovery well casing, the upper end of the oil recovery well casing
Mouth is connect with the import of the oil-gas gathering and transportation multi-purpose station, and the crude exports of the oil-gas gathering and transportation multi-purpose station connect the crude oil storage,
The outlet of sewer of the oil-gas gathering and transportation multi-purpose station connects the treatment tank, the water outlet of the water tank and the sewage treatment
The water purification outlet in pond connects the water injecting pump, and the water injecting pump connects the return pipe, and the return pipe is mounted in water injection well；
The de-plugging, which increases in finish pump truck, fills above-mentioned oil field stratum supermolecule de-plugging permeation promoter.
Further, booster pump is additionally provided between the upper port of the oil recovery well casing and the oil-gas gathering and transportation multi-purpose station.
The present invention also provides a kind of application methods of above-mentioned de-plugging anatonosis system, comprising: after closing oil pump and water injecting pump,
De-plugging is increased and enters in stratum after the oil field stratum supermolecule de-plugging permeation promoter in finish pump truck is injected into outer tube and closes well leaching
Steep 1-3 days time, after restart oil pump and normally recover the oil, fill the water pump priming.
Compared with prior art, the advantages and positive effects of the present invention are: oil field stratum oversubscription subsolution provided by the invention
Stifled permeation promoter, de-plugging anatonosis system and its application method, aerosol-OT salt, sodium nitrilo triacetate salt and imido
Four sodium of base disuccinic acid compounding can produce synergistic function, by the vibration, infiltration, peptizaiton of supermolecule, destroy lattice
With intermolecular structure, the dirt after fractionation is dispersed in solution with molecule or ionic condition, can by rust deposite, scale,
Grease and the dirty step of indissoluble disperse to remove simultaneously, and no secondary precipitation generates, no particle residue.It is brilliant for metal and fine and close rock
Core will not seepage failure, so will not generate geology injury.Medicament is along rock gap, venturi migration diffusion, and protection rock matrix is simultaneously
Crude oil channel is dredged, so as to expand de-plugging anatonosis radius, wider raising in-place permeability and crude oil fluidity safely,
The surface joint effect of metallic conduit can form one layer of Supermolecular film during extraction simultaneously, and Supermolecular film is due to its microcosmic knot
The dimensional effect of structure effectively can prevent dirt from adhering to.Sodium Polyacrylate, poly-epoxy succinic acid are used cooperatively with more excellent
Corrosion-mitigation scale-inhibition effect.In addition, isothiazolinone can effectively kill bacterium, fungi, algae etc. in water as fungicide, and
Secondary pollution not will cause to environment, 2- acrylamide-2-methyl propane sulfonic, ethyl lactate and fatty alcohol polyoxyethylene ether then may be used
It to play the compound effectiveness that enhancing de-plugging increases finish, improves de-plugging and increases the compatibility of finish, while enhancing de-plugging and increasing finish
Stability, condition the effects of to cope with high temperature, high pressure, high shear.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the use state structural reference figure of oil field stratum supermolecule de-plugging permeation promoter of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Oil field stratum supermolecule de-plugging permeation promoter provided by the invention, including following components in percentage by weight: sulfonation amber
Amber dioctyl phthalate sodium salt 10% ~ 15%, sodium nitrilo triacetate salt 1% ~ 5%, four sodium 1% ~ 5% of iminodisuccinic acid, polyacrylic acid
Sodium 5% ~ 10%, poly-epoxy succinic acid 5% ~ 10%, surplus are water.
Specifically, de-plugging used in oil field stratum supermolecule de-plugging permeation promoter provided by the invention increase finish be it is nontoxic,
Tasteless, corrosion-free neutral de-plugging increases finish, it is easy to degrade in the earth formation, not pollute stratum, wherein de-plugging increases the sulphur in finish
Change dioctyl succinate sodium salt, sodium nitrilo triacetate salt and four sodium of iminodisuccinic acid compounding, by the vibration of supermolecule,
Infiltration, peptizaiton destroy lattice and intermolecular structure, the dirt after fractionation are dispersed in molecule or ionic condition molten
In liquid, the dirty step of rust deposite, scale, grease and indissoluble can be dispersed to remove simultaneously, no secondary precipitation generates, no particle residue.
For metal and fine and close rock nucleus will not seepage failure, so geology injury will not be generated.Medicament is transported along rock gap, venturi
Diffusion is moved, rock matrix is protected and dredges crude oil channel, so as to expand de-plugging anatonosis radius, wider raising ground safely
Layer permeability and crude oil fluidity, while the surface joint effect of metallic conduit can form one layer of supermolecule during extraction
Film, Supermolecular film effectively can prevent dirt from adhering to due to the dimensional effect of its microstructure, and this effect is known as refusing dirty effect
It answers, similar to the dirt of refusing of lotus leaf, therefore the scale-inhibiting properties of Supermolecular film are that conventional water treatment de-plugging increasing finish is incomparable, not only
The attachment of dirt can be prevented, rust deposite, scale of metal surface etc. can also be dispersed, are dissolved into water, scale inhibition efficiency is excellent,
Supermolecular film can not be corroded in metal surface protection metal simultaneously.Sodium Polyacrylate, poly-epoxy succinic acid are used cooperatively, right
Carbonate, silicate, phosphate, the calcium and magnesium ion in phosphate have complexing well, infiltration and dissolution, De-plugging speed
Fastly, also there is good effect to silicate scale and sulfate scale, during de-plugging anatonosis, producing well equipment and pit shaft are not produced
Raw corrosion, no dead angle do not generate precipitating in the earth formation, will not generate the secondary stifled well of cleaning materials precipitating, be really achieved safe nothing
Etch chemistries de-plugging, than traditional pickling de-plugging, biological plugging releasing and solvent de-plugging more secure and reliable.
Further, oil field stratum supermolecule de-plugging permeation promoter provided by the invention further include: 2- acrylamide -2- methyl
Propane sulfonic acid 0.5% ~ 1%, fatty alcohol polyoxyethylene ether 0.5% ~ 1%, ethyl lactate 4% ~ 8%.Specifically, by increasing 2- acryloyl
Amine -2- methyl propane sulfonic acid can increase the stability that de-plugging increases finish, and medicament under the conditions of high temperature, high pressure, high shear etc. is avoided to occur
Degradation.By increasing oxygen molecule hydrophilic group and water formation hydrogen bond in fatty alcohol polyoxyethylene ether, the water that de-plugging increases finish is improved
Dissolubility, and be not easy to be destroyed by acid, alkali, improve stability.The dissolubility that increasing finish is improved by increasing ethyl lactate, can increase medicine
Agent itself improves de-plugging and increases finish to the dispersing and dissolving ability of organic matter effectively to enhance the compound effectiveness that de-plugging increases finish
Compatibility, while enhancing the stability that de-plugging increases finish, condition the effects of to cope with high temperature, high pressure, high shear.It is preferred that
, oil field stratum supermolecule de-plugging permeation promoter provided by the invention further include: isothiazolinone 0.5% ~ 1%, isothiazolinone are made
Bacterium, fungi, algae etc. in water can be effectively killed for fungicide, and secondary pollution not will cause to environment.
As shown in Figure 1, the present invention also provides a kind of de-plugging anatonosis system, including oil pump 1, sheath assembly 2, de-plugging increasing oil
Agent pump truck 3, oil-gas gathering and transportation multi-purpose station 4, crude oil storage 5, treatment tank 6, water tank 7, water injecting pump 8 and return pipe 9, described sleeve pipe group
Part 2 includes oil recovery well casing 21 and outer tube 22,22 sets of the outer tube outsides in the oil recovery well casing 21, described sleeve pipe component
2 are mounted in oil well, and the de-plugging increases finish pump truck 3 and connect with the outer tube 22, fill in de-plugging increasing finish pump truck 3 above-mentioned
Oil field stratum supermolecule de-plugging permeation promoter, de-plugging increase finish pump truck 3 and are used to fill oil field stratum oversubscription subsolution into outer tube 22
Stifled permeation promoter.The oil pump 1 is connected to the lower port of the oil recovery well casing 21, the upper port of the oil recovery well casing 21 with it is described
The import of oil-gas gathering and transportation multi-purpose station 4 connects, and the crude exports of the oil-gas gathering and transportation multi-purpose station 4 connect the crude oil storage 5, the oil
The outlet of sewer of gas combination station of gathering and transportation 4 connects the treatment tank 6, the water outlet and the treatment tank 6 of the water tank 7
Water purification outlet connect the water injecting pump 8, the water injecting pump 8 connects the return pipe 9, and the return pipe 9 is mounted on water injection well
In.Wherein, booster pump 41 is additionally provided between the upper port of oil recovery well casing 21 and the oil-gas gathering and transportation multi-purpose station 4.
Specifically, the application method of de-plugging anatonosis system provided by the invention are as follows: after closing oil pump 1 and water injecting pump 8,
Oil field stratum supermolecule de-plugging permeation promoter in de-plugging increasing finish pump truck 3 is injected into outer tube 22 to enter in stratum, is then closed
Well simultaneously impregnates 1-3 days time, after restart oil pump 1 normally recover the oil, meanwhile, water injecting pump 8 normally fill the water.Specifically, in use,
Dosage can be calculated according to core intersection, plug removal radius and Porosimeter, specifically, according to formula V=π r2× h × s is calculated
Dosage V out, wherein core intersection h, plug removal radius r, porosity s.According to calculated dosage V, de-plugging is used
Increase finish pump truck directly to increase de-plugging after finish is pressed into stratum from outer tube 22, after closing well 1-3 days, oil extraction pump is worked normally, and is solved
It is stifled to increase finish with oil mixing with water Produced Liquid by oil recovery well casing 21, it is pooled to oil-gas gathering and transportation multi-purpose station 4 and carries out three phase separation, oily phase
And gas phase is separated, and it is water solubility that de-plugging, which increases finish, passes through the water that treatment tank 6 is purified with oily wastewater,
The water of purification can be injected into return pipe 9 by water injecting pump 8 and be reused.Meanwhile de-plugging increases finish and continues in the process
Effect, into after oil recovery well casing 21 and outer tube 22 and other pipe networks, can dissolve the soil dispersion of metal surface, and with extraction
Liquid to oil-gas gathering and transportation multi-purpose station 4 is separated, and forms Supermolecular film in metal surface simultaneously, refuses dirty work to reach anti-corrosion
With.In addition, along rock gap, venturi migration diffusion, rock stratum bone is not destroyed in dredging crude oil channel after de-plugging increasing finish enters stratum
Frame, so as to expand de-plugging anatonosis radius, wider raising in-place permeability and crude oil fluidity safely.It can not only allow
3 times of oil well production increasing or more, and can be reproducing because of low yield, inefficient and discarded oil well, the immovable oil reservoir that will routinely determine
Continue to exploit.
Compared with prior art, the advantages and positive effects of the present invention are: oil field stratum oversubscription subsolution provided by the invention
Stifled permeation promoter, de-plugging anatonosis system and its application method, aerosol-OT salt, sodium nitrilo triacetate salt and imido
Four sodium of base disuccinic acid compounding can produce synergistic function, by the vibration, infiltration, peptizaiton of supermolecule, destroy lattice
With intermolecular structure, the dirt after fractionation is dispersed in solution with molecule or ionic condition, can by rust deposite, scale,
Grease and the dirty step of indissoluble disperse to remove simultaneously, and no secondary precipitation generates, no particle residue.It is brilliant for metal and fine and close rock
Core will not seepage failure, so will not generate geology injury.Medicament is along rock gap, venturi migration diffusion, and protection rock matrix is simultaneously
Crude oil channel is dredged, so as to expand de-plugging anatonosis radius, wider raising in-place permeability and crude oil fluidity safely,
The surface joint effect of metallic conduit can form one layer of Supermolecular film during extraction simultaneously, and Supermolecular film is due to its microcosmic knot
The dimensional effect of structure effectively can prevent dirt from adhering to.Sodium Polyacrylate, poly-epoxy succinic acid are used cooperatively with more excellent
Corrosion-mitigation scale-inhibition effect.In addition, isothiazolinone can effectively kill bacterium, fungi, algae etc. in water as fungicide, and
Secondary pollution not will cause to environment, 2- acrylamide-2-methyl propane sulfonic, ethyl lactate and fatty alcohol polyoxyethylene ether then may be used
It to play the compound effectiveness that enhancing de-plugging increases finish, improves de-plugging and increases the compatibility of finish, while enhancing de-plugging and increasing finish
Stability, condition the effects of to cope with high temperature, high pressure, high shear.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of oil field stratum supermolecule de-plugging permeation promoter, which is characterized in that including following components in percentage by weight: sulfonation amber
Amber dioctyl phthalate sodium salt 10% ~ 15%, sodium nitrilo triacetate salt 1% ~ 5%, four sodium 1% ~ 5% of iminodisuccinic acid, polyacrylic acid
Sodium 5% ~ 10%, poly-epoxy succinic acid 5% ~ 10%, surplus are water.
2. oil field stratum supermolecule de-plugging permeation promoter according to claim 1, which is characterized in that further include: 2- acryloyl
Amine -2- methyl propane sulfonic acid 0.5% ~ 1%, fatty alcohol polyoxyethylene ether 0.5% ~ 1%, ethyl lactate 4% ~ 8%.
3. oil field stratum supermolecule de-plugging permeation promoter according to claim 1, which is characterized in that further include: isothiazoline
Ketone 0.5% ~ 1%.
4. a kind of de-plugging anatonosis system, which is characterized in that increase finish pump truck, oil-gas gathering and transportation including oil pump, sheath assembly, de-plugging
Multi-purpose station, crude oil storage, treatment tank, water tank, water injecting pump and return pipe, described sleeve pipe component include oil recovery well casing and housing
Pipe, the housing pipe sleeve are mounted in oil well in the outside of the oil recovery well casing, described sleeve pipe component, and the de-plugging increases finishing oil pump
Vehicle is connect with the outer tube, and the oil pump is connected to the lower port of the oil recovery well casing, the upper port of the oil recovery well casing
It is connect with the import of the oil-gas gathering and transportation multi-purpose station, the crude exports of the oil-gas gathering and transportation multi-purpose station connect the crude oil storage, institute
The outlet of sewer for stating oil-gas gathering and transportation multi-purpose station connects the treatment tank, the water outlet of the water tank and the treatment tank
Water purification outlet connect the water injecting pump, the water injecting pump connects the return pipe, and the return pipe is mounted in water injection well；Institute
It states in de-plugging increasing finish pump truck and fills oil field stratum supermolecule de-plugging permeation promoter a method according to any one of claims 1-3.
5. de-plugging anatonosis system according to claim 1, which is characterized in that the upper port of the oil recovery well casing and the oil
Booster pump is additionally provided between gas combination station of gathering and transportation.
6. a kind of application method of de-plugging anatonosis system as claimed in claim 4 characterized by comprising close oil pump
After water injecting pump, enter in stratum after de-plugging is increased the oil field stratum supermolecule de-plugging permeation promoter injection outer tube in finish pump truck
And close well and impregnate 1-3 days time, after restart oil pump and normally recover the oil, fill the water pump priming.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305642A (en) * | 2019-08-15 | 2019-10-08 | 王豫园 | A kind of oil/gas well well-repairing work liquid |
| CN111019620A (en) * | 2019-12-31 | 2020-04-17 | 田春来 | Oil field flowback-free stratum blocking remover and blocking removing method thereof |
| CN111997576A (en) * | 2020-09-01 | 2020-11-27 | 山东青洁能环保有限公司 | Supermolecule microcosmic blockage removing method for stratum reconstruction of oil and gas field |
| CN114716989A (en) * | 2022-04-28 | 2022-07-08 | 西安道坦石油技术服务有限公司 | Polyacrylamide profile control, flooding control weak gel composite blocking remover for low-permeability oilfield water injection well and preparation method and application thereof |
| CN115612471A (en) * | 2021-07-15 | 2023-01-17 | 大庆油田有限责任公司 | Agent suitable for removing silica scale in ternary combination flooding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194757A (en) * | 2014-09-23 | 2014-12-10 | 甘肃黑马石化工程有限公司 | Neutral blockage removing agent composition used for oilfield mechanical recovery well and preparation method thereof |
| CN107761123A (en) * | 2017-10-13 | 2018-03-06 | 广州迪奕科环保科技有限公司 | A kind of environmentally friendly oil pipeline cleaning agent |
-
2018
- 2018-10-23 CN CN201811234288.3A patent/CN109456743A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194757A (en) * | 2014-09-23 | 2014-12-10 | 甘肃黑马石化工程有限公司 | Neutral blockage removing agent composition used for oilfield mechanical recovery well and preparation method thereof |
| CN107761123A (en) * | 2017-10-13 | 2018-03-06 | 广州迪奕科环保科技有限公司 | A kind of environmentally friendly oil pipeline cleaning agent |
Non-Patent Citations (5)
| Title |
|---|
| 中国石油天然气总公司编: "《石油地面工程设计手册》", 31 October 1995, 东营:石油大学出版社 * |
| 李进军: "《绿色化学导论》", 31 August 2015, 武汉：武汉大学出版社 * |
| 王明华: "《高等无机化学简明教程》", 30 September 2016, 北京:冶金工业出版社 * |
| 罗英俊: "《油田开发生产中的保护油层技术》", 31 August 1996, 北京:石油工业出版社 * |
| 蔡春知等: "《油气集输》", 31 August 1990, 北京:石油工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305642A (en) * | 2019-08-15 | 2019-10-08 | 王豫园 | A kind of oil/gas well well-repairing work liquid |
| CN111019620A (en) * | 2019-12-31 | 2020-04-17 | 田春来 | Oil field flowback-free stratum blocking remover and blocking removing method thereof |
| CN111997576A (en) * | 2020-09-01 | 2020-11-27 | 山东青洁能环保有限公司 | Supermolecule microcosmic blockage removing method for stratum reconstruction of oil and gas field |
| CN115612471A (en) * | 2021-07-15 | 2023-01-17 | 大庆油田有限责任公司 | Agent suitable for removing silica scale in ternary combination flooding |
| CN115612471B (en) * | 2021-07-15 | 2023-07-18 | 大庆油田有限责任公司 | Ternary composite silicon scale removing agent |
| CN114716989A (en) * | 2022-04-28 | 2022-07-08 | 西安道坦石油技术服务有限公司 | Polyacrylamide profile control, flooding control weak gel composite blocking remover for low-permeability oilfield water injection well and preparation method and application thereof |
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Application publication date: 20190312 |