CN106590611A - Fracturing fluid of crosslinking association polymer and production method thereof - Google Patents
Fracturing fluid of crosslinking association polymer and production method thereof Download PDFInfo
- Publication number
- CN106590611A CN106590611A CN201611012484.7A CN201611012484A CN106590611A CN 106590611 A CN106590611 A CN 106590611A CN 201611012484 A CN201611012484 A CN 201611012484A CN 106590611 A CN106590611 A CN 106590611A
- Authority
- CN
- China
- Prior art keywords
- fracturing fluid
- association polymer
- crosslinking
- agent
- production method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
-
- 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
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
-
- 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
- C09K2208/26—Gel breakers other than bacteria or enzymes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of fracturing fluid technology and provides fracturing fluid of crosslinking association polymer and a production method thereof. The fracturing fluid of crosslinking association polymer is prepared from, by weight, 0.3 part - 0.6 part of association polymer thickening agent, 0.5 - 2 parts of crosslinking agent, 0.2 - 1 part of cleanup additive, 0.05 - 0.5 part of breaking agent, 0.1 - 1 part of clay stabilizer, 94.9 - 98.85 parts of water. According to the fracturing fluid of crosslinking association polymer, non-metallic crosslinking agent is used to crosslink association polymer molecules under neutral conditions to form clean fracturing fluid of crosslinking association polymer with moderate viscosity, low friction, no residue, imputrescibility, and easy breaking. The fracturing fluid of crosslinking association polymer not only is suitable for the mixture and dispersion of proppant, but also ensures the carrying effect of the proppant.
Description
Technical field
The present invention relates to fracturing fluid technical field, is a kind of crosslinking association polymer fracturing fluid and its production method.
Background technology
Oil well production increasing, intensified injection of wells, common technological measure is to carry out fracture acidizing to oil-water well.Wherein in fracturing technology
In, fracturing fluid is broadly divided into three classes：Oil base fracturing fluid, feature applies to low temperature, low pressure, hypotonic high water-sensitive oil reservoir, as in
It is sodium aluminate that state's patent publication No. discloses a kind of cross-linking agent for CN1258709, and disperse medium is diesel oil or light crude oil, but this
The defect of oil base fracturing fluid is：High cost；Cross-linking agent is, containing aluminide, to return discharge opeing and oil reservoir and ground environment are formed necessarily
Pollution；Construction risk degree is high, and fire easily occurs；Inapplicable high temperature, high pressure, the fracturing reform of deep-well；Plant gum
Fracturing fluid is conventional for hydroxypropyl guar fracturing fluid, feature：Aqueous fracturing fluid is most widely used, and especially develops organic
Since borate crosslinker and capsule breaker, the needs that medium and high temperature formation breakdown is transformed have been disclosure satisfy that substantially, aqueous fracturing fluid is most
Using plant seed as thickening agent（Such as fenugreek gum, guar gum or its modified product）, as China Patent Publication No. is
CN1524920A, CN104560003A disclose cross-linking agent and are mainly boron ion, zirconium ion, titanium ion etc., therefore plant glue laminated
Splitting the defect of liquid is：Plant gum thickening agent is easily putrid and deteriorated in water, in the case of without antibacterial, is higher than in ambient temperature
When 25 DEG C, the Decayed rate of 48 hours fracturing fluids is up to more than 60%；Using heavy metal substance as cross-linking agent, its breaking glue solution can
Certain pollution is caused to oil reservoir and ground environment；Aqueous fracturing fluid often causes target zone clay swell, finally affects oil gas
Yield.Cleaning polymer fracturing fluid, feature is mainly in fracturing fluid without residue, little to reservoir injury, and cross-linking agent is heavy metal
Ion, such as China Patent Publication No. disclose cross-linking agent for organic chromium or zirconium, pH value tune for CN102838781A, CN1323127C
Section agent is sodium hydroxide or hydrochloric acid, acetic acid；Therefore the defect of polymer fracturing fluid is：Using heavy metal ion as crosslinking
Agent, makes breaking glue solution contain heavy metal ion, and these heavy metal ion may cause certain pollution to oil reservoir and ground environment；
Fracturing fluid pH value is acid or alkalescence, easily makes the quick mineral of the soda acid in oil reservoir that the quick injury of soda acid occurs, and affects fracturing yield increasing effect.
The content of the invention
The invention provides a kind of crosslinking association polymer fracturing fluid and its production method, overcome above-mentioned prior art it
Deficiency, its can fracturing fluid its cross-linking agent of effectively solving prior art be metal ion oil reservoir and ground environment polluted
Problem.
One of technical scheme is realized by following measures：One kind crosslinking association polymer fracturing fluid,
Raw materials by weight portion includes 0.3 part to 0.6 part of association polymer thickening agent, 0.5 part to 2 parts of cross-linking agent, 0.2 part of cleanup additive
To 1 part, 0.05 part to 0.5 part of gel breaker, 0.1 part to 1 part of clay stabilizer, 94.9 parts to 98.85 parts of water.
The further optimization and/or improvements to one of foregoing invention technical scheme are presented herein below：
Above-mentioned association polymer thickening agent is CGR-7 oil gas field clean fracturing association type thickening agents.
Above-mentioned beet alkali surface activator is that oleamide propyl group is sweet
Above-mentioned cross-linking agent is beet alkali surface activator.One or more of dish alkali and erucyl amide CAB.
Above-mentioned cleanup additive is fluorocarbon chain surfactant；Or/and, gel breaker is the one kind in Ammonium persulfate. and sodium peroxydisulfate
More than；Or/and, clay stabilizer is one or more of ammonium chloride, potassium chloride and quaternary ammonium salts clay stabilizer.
The two of technical scheme are realized by following measures：A kind of crosslinking association polymer fracturing fluid
Production method, is carried out as follows：By the desired amount of association polymer thickening agent, clay stabilizer, cleanup additive, cross-linking agent and
Gel breaker is sequentially added to the water and obtain crosslinking association polymer fracturing fluid.
To foregoing invention technical scheme two further optimization and/or improvements are presented herein below：
Above-mentioned association polymer thickening agent is CGR-7 oil gas field clean fracturing association type thickening agents.
Above-mentioned cross-linking agent is beet alkali surface activator.
Above-mentioned beet alkali surface activator is the one kind in oleamide CAB and erucyl amide CAB
More than.
Above-mentioned cleanup additive is fluorocarbon chain surfactant；Or/and, gel breaker is the one kind in Ammonium persulfate. and sodium peroxydisulfate
More than；Or/and, clay stabilizer is one or more of ammonium chloride, potassium chloride and quaternary ammonium salts clay stabilizer.
The invention discloses a kind of crosslinking association polymer fracturing fluid and its production method, of the invention to use nonmetallic crosslinking
Agent, in neutral conditions gets up association polymer molecule cross-link, forms a kind of with modest viscosity, that is, be adapted to the mixed of proppant
Enter dispersion, the rolling action of its proppant, low frictional resistance are ensured again, is associated without residue, the clean type crosslinking for being difficult corrupt, fragile glue
Polymer fracturing fluid.
Description of the drawings
Accompanying drawing 1 is 35 DEG C of present invention crosslinking associated complex pressure break liquid level heatproof shearing curve figures.
Accompanying drawing 2 is 60 DEG C of present invention crosslinking associated complex pressure break liquid level heatproof shearing curve figures.
Accompanying drawing 3 is 80 DEG C of present invention crosslinking associated complex pressure break liquid level heatproof shearing curve figures.
Accompanying drawing 4 is 100 DEG C of present invention crosslinking associated complex pressure break liquid level heatproof shearing curve figures.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and practical situation determining specifically
Embodiment.
With reference to embodiment, the invention will be further described：
Embodiment 1, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes 0.3 part of association polymer thickening agent extremely
0.6 part, 0.5 part to 2 parts of cross-linking agent, 0.2 part to 1 part of cleanup additive, 0.05 part to 0.5 part of gel breaker, 0.1 part of clay stabilizer
To 1 part, 94.9 parts to 98.85 parts of water.
Embodiment 2, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes association polymer thickening agent 0.3
Part or 0.6 part, 0.5 part or 2 parts of cross-linking agent, 0.2 part or 1 part of cleanup additive, 0.05 part or 0.5 part of gel breaker, clay stabilizer
0.1 part or 1 part, 94.9 parts or 98.85 parts of water.
Embodiment 3, the production method of the crosslinking association polymer fracturing fluid, is carried out as follows：Form the desired amount of
Conjunction polymer thickening agent, clay stabilizer, cleanup additive, cross-linking agent and gel breaker are sequentially added to the water and obtain crosslinking associtation polymer
Thing fracturing fluid.The present invention crosslinking association polymer fracturing fluid obtained by this method adopts non-metallic cross-linking agent, poly- by associating
Adduct molecule crosslinking is got up, formed it is a kind of there is modest viscosity, low frictional resistance, hand over without residue, the clean type for being difficult corrupt, fragile glue
Connection association polymer fracturing fluid, and pollution is not resulted in oil reservoir and ground environment.
Embodiment 4, used as above-described embodiment optimization, association polymer thickening agent is the association of CGR-7 oil gas fields clean fracturing
Type thickening agent.The thickening agent is produced by Chengdu Jian Xiang Shu Guan Science and Technology Ltd.s.
Embodiment 5, used as above-described embodiment optimization, cross-linking agent is beet alkali surface activator.
Embodiment 6, used as above-described embodiment optimization, beet alkali surface activator is oleamide CAB and erucic acid
One or more of amido propyl betaine.
Embodiment 7, used as above-described embodiment optimization, cleanup additive is fluorocarbon chain surfactant.
Embodiment 8, used as above-described embodiment optimization, gel breaker is one or more of Ammonium persulfate. and sodium peroxydisulfate.
Embodiment 9, used as above-described embodiment optimization, clay stabilizer is that ammonium chloride, potassium chloride and quaternary ammonium salts clay are steady
Determine one or more of agent.
Embodiment 10, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes association polymer thickening agent 0.3
Part, 0.5 part of cross-linking agent, 0.2 part of cleanup additive, 0.05 part of gel breaker, 0.1 part of clay stabilizer, 98.85 parts of water.In the mixed tune of Wu Yin
In device in 98.85 parts of water, 0.1 part of ammonium chloride is added, add 0.3 part of CGR-7 oil gas field clean fracturing to form after stirring and dissolving
Mould assembly thickening agent, stirring 2min dissolving thickeninies, sequentially adds 0.2 part of fluorocarbon chain surfactant and 0.5 part of oleamide propyl group
After glycine betaine, add 0.05 part of Ammonium persulfate. Glass rod stir obtain the present embodiment crosslinking association polymer pressure break
Liquid（Frozen glue）.The crosslinking association polymer fracturing fluid that the present embodiment is obtained is existed at 35 DEG C using RV-20 type rotary viscometers
170S-1Under shear rate, measure frozen glue viscosity B coefficent and the results are shown in Table 1 and Fig. 1.
Embodiment 11, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes association polymer thickening agent
0.45 part, 1.2 parts of cross-linking agent, 0.3 part of cleanup additive, 0.08 part of gel breaker, 0.2 part of clay stabilizer, 97.77 parts of water.In Wu Yin
It is mixed to adjust in device in 97.77 parts of water, 0.2 part of ammonium chloride is added, 0.45 part of CGR-7 oil gas fields cleaning pressure is added after stirring and dissolving
Association type thickening agent is split, stirring 2min dissolving thickeninies sequentially add 0.3 part of fluorocarbon chain surfactant and 1.2 parts of oleamides
After CAB and erucyl amide CAB mixture, add 0.08 part of Ammonium persulfate. Glass rod and stir i.e.
Obtain the present embodiment crosslinking association polymer fracturing fluid（Frozen glue）.The crosslinking association polymer fracturing fluid that the present embodiment is obtained is 60
At DEG C, using RV-20 type rotary viscometers in 170S-1Under shear rate, measure frozen glue viscosity B coefficent and the results are shown in Table 2 and Fig. 2.
Embodiment 12, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes association polymer thickening agent 0.5
Part, 1.7 parts of cross-linking agent, 0.5 part of cleanup additive, 0.2 part of gel breaker, 0.5 part of clay stabilizer, 96.6 parts of water.In the mixed tune devices of Wu Yin
In the middle water to 96.6 parts, 0.5 part of ammonium chloride is added, 0.5 part of CGR-7 oil gas field clean fracturing association type is added after stirring and dissolving
Thickening agent, stirring 2min dissolving thickeninies, sequentially adds 0.5 part of fluorocarbon chain surfactant and 1.7 portions of oleamide propyl group Radix Betaes
After alkali and erucyl amide CAB mixture, add 0.2 part of Ammonium persulfate. Glass rod and stirs this reality that obtain
Apply example crosslinking association polymer fracturing fluid（Frozen glue）.The crosslinking association polymer fracturing fluid that the present embodiment is obtained makes at 80 DEG C
With RV-20 type rotary viscometers in 170S-1Under shear rate, measure frozen glue viscosity B coefficent and the results are shown in Table 3 and Fig. 3.
Embodiment 13, the crosslinking association polymer fracturing fluid, raw materials by weight portion includes association polymer thickening agent 0.6
Part, 2 parts of cross-linking agent, 1 part of cleanup additive, 0.5 part of gel breaker, 1 part of clay stabilizer, 94.9 parts of water.Wu Yin it is mixed adjust in device to
In 94.9 parts of water, 1 part of ammonium chloride is added, 0.6 part of CGR-7 oil gas field clean fracturings association type thickening is added after stirring and dissolving
Agent, stirring 2min dissolving thickeninies, sequentially adds 1 part of fluorocarbon chain surfactant and 2 parts of oleamide CAB and erucic acid
After amido propyl betaine mixture, add 0.5 part of Ammonium persulfate. Glass rod stir obtain the present embodiment crosslinking
Association polymer fracturing fluid（Frozen glue）.The crosslinking association polymer fracturing fluid that the present embodiment is obtained at 100 DEG C, using RV-20
Type rotary viscometer is in 170S-1Under shear rate, measure frozen glue viscosity B coefficent and the results are shown in Table 4 and Fig. 4.
From table 1 to table 4 it can be seen that the crosslinking association polymer fracturing fluid property index that obtains of the present invention according to
SYT5107-1995 is detected, to corresponding base fluid apparent viscosity under its shear temperature, crosslinking time, broken colloidality energy and n, k
Value can reach industry standard.
The crosslinking association polymer fracturing fluid that the present invention is obtained is shown in Table 5 with the contrast of prior art fracturing fluid property.Can from table 5
To find out that the present invention is the unexistent crosslinking method of prior art fracturing fluid using nonmetallic cancellated cross-linked structure mode,
Crosslinking association polymer fracturing fluid low cost obtained by the present invention, crosslinked viscosity are moderate, in neutral conditions by associtation polymer
Thing molecule cross-link is got up, and forms a kind of with modest viscosity, that is, be adapted to proppant is mixed into dispersion, and taking for its proppant is ensured again
With effect, low frictional resistance, without residue, be difficult the clean type crosslinking association polymer fracturing fluid of corrupt, fragile glue, and fluid present invention
Preparing process is simple, and operation is easy at scene.
The crosslinking association polymer fracturing fluid system that the present invention is obtained has advantages below；
1. association polymer thickening agent, cross-linking agent, cleanup additive, broken glue in the crosslinking association polymer fracturing fluid that the present invention is obtained
There is good compatibility between agent, clay stabilizer, also there is good compatibility with formation fluid.
The crosslinking association polymer fracturing liquid rubber-breaking that the present invention is obtained thoroughly, meets the row of returning and requires, breaks within 3 hours to 4 hours
Gelatin viscosity is less than 10mPas.
The crosslinking association polymer fracturing fluid that the present invention is obtained can meet the pressing crack construction requirement of less than 100 DEG C reservoirs.
The crosslinking association polymer fracturing fluid that the present invention is obtained adopts non-metallic cross-linking agent, improves the increasing of Fracturing Technology
Oily effect, reduces injury of the fracturing fluid residue to oil reservoir, while not resulting in pollution to oil reservoir and ground environment.
In sum, the crosslinking association polymer fracturing fluid that the present invention is obtained adopts non-metallic cross-linking agent, in neutrallty condition
It is lower that association polymer molecule cross-link is got up, form a kind of with modest viscosity, that is, be adapted to proppant is mixed into dispersion, ensures again
The rolling action of its proppant, low frictional resistance, without residue, be difficult corrupt, fragile glue clean type crosslinking association polymer fracturing fluid,
And pollution is not resulted in oil reservoir and ground environment.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can basis
It is actually needed the non-essential technical characteristic of increase and decrease to meet the demand of different situations.
Claims (10)
1. it is a kind of to be crosslinked association polymer fracturing fluid, it is characterised in that raw materials by weight portion includes association polymer thickening agent
0.3 part to 0.6 part, 0.5 part to 2 parts of cross-linking agent, 0.2 part to 1 part of cleanup additive, 0.05 part to 0.5 part of gel breaker, clay stabilization
0.1 part to 1 part of agent, 94.9 parts to 98.85 parts of water.
2. crosslinking association polymer fracturing fluid according to claim 1, it is characterised in that association polymer thickening agent is
CGR-7 oil gas field clean fracturing association type thickening agents.
3. it is according to claim 1 and 2 to be crosslinked association polymer fracturing fluid, it is characterised in that cross-linking agent is glycine betaine surface
Activating agent.
4. it is according to claim 3 to be crosslinked association polymer fracturing fluid, it is characterised in that beet alkali surface activator is oil
One or more of sour amido propyl betaine and erucyl amide CAB.
5. the crosslinking association polymer fracturing fluid according to claim 1 or 2 or 3 or 4, it is characterised in that cleanup additive is fluorine carbon
Chain surfactant；Or/and, gel breaker is one or more of Ammonium persulfate. and sodium peroxydisulfate；Or/and, clay stabilizer is
One or more of ammonium chloride, potassium chloride and quaternary ammonium salts clay stabilizer.
6. it is a kind of it is according to claim 1 crosslinking association polymer fracturing fluid production method, it is characterised in that by following
Method is carried out：The desired amount of association polymer thickening agent, clay stabilizer, cleanup additive, cross-linking agent and gel breaker are sequentially added
Obtain being crosslinked association polymer fracturing fluid in water.
7. it is according to claim 6 crosslinking association polymer fracturing fluid production method, it is characterised in that association polymer
Thickening agent is CGR-7 oil gas field clean fracturing association type thickening agents.
8. the production method of the crosslinking association polymer fracturing fluid according to claim 6 or 7, it is characterised in that cross-linking agent is
Beet alkali surface activator.
9. it is according to claim 8 crosslinking association polymer fracturing fluid production method, it is characterised in that glycine betaine surface
Activating agent is one or more of oleamide CAB and erucyl amide CAB.
10. according to claim 6 or 7 or 8 or 9 crosslinking association polymer fracturing fluid production method, it is characterised in that
Cleanup additive is fluorocarbon chain surfactant；Or/and, gel breaker is one or more of Ammonium persulfate. and sodium peroxydisulfate；Or/and,
Clay stabilizer is one or more of ammonium chloride, potassium chloride and quaternary ammonium salts clay stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012484.7A CN106590611A (en) | 2016-11-17 | 2016-11-17 | Fracturing fluid of crosslinking association polymer and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012484.7A CN106590611A (en) | 2016-11-17 | 2016-11-17 | Fracturing fluid of crosslinking association polymer and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106590611A true CN106590611A (en) | 2017-04-26 |
Family
ID=58591480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611012484.7A Pending CN106590611A (en) | 2016-11-17 | 2016-11-17 | Fracturing fluid of crosslinking association polymer and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106590611A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107828404A (en) * | 2017-11-20 | 2018-03-23 | 中国石油天然气股份有限公司 | Fracturing fluid for high-salinity produced water liquid preparation of oil field |
| CN108441204A (en) * | 2018-04-17 | 2018-08-24 | 四川申和新材料科技有限公司 | A kind of betaines high-temperature cross-linking agent and preparation method thereof |
| CN108676552A (en) * | 2018-04-17 | 2018-10-19 | 四川申和新材料科技有限公司 | A kind of unconventional low temperature clean fracturing fluid and preparation method thereof |
| CN110408376A (en) * | 2019-08-28 | 2019-11-05 | 巴州科邦石油助剂有限公司 | Acidproof clean fracturing fluid of viscoplasticity and preparation method thereof |
| CN110776903A (en) * | 2019-11-26 | 2020-02-11 | 新疆力科石油化工技术服务有限公司 | Crosslinking agent for fracturing and preparation method thereof |
| CN110819335A (en) * | 2019-11-26 | 2020-02-21 | 新疆力科石油化工技术服务有限公司 | Crosslinking agent for recyclable polymer fracturing fluid and preparation method thereof |
| CN110862814A (en) * | 2019-11-26 | 2020-03-06 | 新疆力科石油化工技术服务有限公司 | Guanidine gum fracturing fluid organic titanium crosslinking agent and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1608168A (en) * | 2001-12-22 | 2005-04-20 | 索菲技术股份有限公司 | Aqueous fracturing fluid |
| CN102559166A (en) * | 2011-12-28 | 2012-07-11 | 中国石油天然气股份有限公司 | Amphoteric surfactant fracturing fluid and preparation method thereof |
| CN103013487A (en) * | 2012-12-31 | 2013-04-03 | 东营明德石油科技有限公司 | Multi-branched macromolecule fracturing liquid and preparation method thereof |
| CN103173200A (en) * | 2012-12-24 | 2013-06-26 | 北京仁创科技集团有限公司 | Water-base fracturing fluid and method for preparing same |
| CN103965857A (en) * | 2013-01-30 | 2014-08-06 | 中国石油天然气集团公司 | Preparation method of High-temperature water base fracturing fluid |
| CN104073235A (en) * | 2014-06-19 | 2014-10-01 | 西安石油大学 | Long-carbon-chain amide glycine betaine clean fracturing fluid and preparation method thereof |
| CN104194766A (en) * | 2014-09-12 | 2014-12-10 | 西安石油大学 | Clean fracturing fluid and preparation method thereof |
| CN104419397A (en) * | 2013-08-30 | 2015-03-18 | 中国石油天然气集团公司 | High-temperature-resistant seawater-based fracturing fluid and preparation method thereof |
| CN104745171A (en) * | 2013-12-27 | 2015-07-01 | 中国石油化工股份有限公司 | Compound cross-linking agent for fracturing fluid, preparation method and application thereof |
| CN104845606A (en) * | 2015-05-05 | 2015-08-19 | 中国石油天然气股份有限公司 | Viscoelastic polymer clean fracturing fluid suitable for sewage preparation |
| CN103254886B (en) * | 2012-12-31 | 2016-01-06 | 东营明德石油科技有限公司 | A kind of supermolecule multiple association clean fracturing fluid and preparation method thereof |
-
2016
- 2016-11-17 CN CN201611012484.7A patent/CN106590611A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1608168A (en) * | 2001-12-22 | 2005-04-20 | 索菲技术股份有限公司 | Aqueous fracturing fluid |
| CN102559166A (en) * | 2011-12-28 | 2012-07-11 | 中国石油天然气股份有限公司 | Amphoteric surfactant fracturing fluid and preparation method thereof |
| CN103173200A (en) * | 2012-12-24 | 2013-06-26 | 北京仁创科技集团有限公司 | Water-base fracturing fluid and method for preparing same |
| CN103013487A (en) * | 2012-12-31 | 2013-04-03 | 东营明德石油科技有限公司 | Multi-branched macromolecule fracturing liquid and preparation method thereof |
| CN103254886B (en) * | 2012-12-31 | 2016-01-06 | 东营明德石油科技有限公司 | A kind of supermolecule multiple association clean fracturing fluid and preparation method thereof |
| CN103965857A (en) * | 2013-01-30 | 2014-08-06 | 中国石油天然气集团公司 | Preparation method of High-temperature water base fracturing fluid |
| CN104419397A (en) * | 2013-08-30 | 2015-03-18 | 中国石油天然气集团公司 | High-temperature-resistant seawater-based fracturing fluid and preparation method thereof |
| CN104745171A (en) * | 2013-12-27 | 2015-07-01 | 中国石油化工股份有限公司 | Compound cross-linking agent for fracturing fluid, preparation method and application thereof |
| CN104073235A (en) * | 2014-06-19 | 2014-10-01 | 西安石油大学 | Long-carbon-chain amide glycine betaine clean fracturing fluid and preparation method thereof |
| CN104194766A (en) * | 2014-09-12 | 2014-12-10 | 西安石油大学 | Clean fracturing fluid and preparation method thereof |
| CN104845606A (en) * | 2015-05-05 | 2015-08-19 | 中国石油天然气股份有限公司 | Viscoelastic polymer clean fracturing fluid suitable for sewage preparation |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107828404A (en) * | 2017-11-20 | 2018-03-23 | 中国石油天然气股份有限公司 | Fracturing fluid for high-salinity produced water liquid preparation of oil field |
| CN108441204A (en) * | 2018-04-17 | 2018-08-24 | 四川申和新材料科技有限公司 | A kind of betaines high-temperature cross-linking agent and preparation method thereof |
| CN108676552A (en) * | 2018-04-17 | 2018-10-19 | 四川申和新材料科技有限公司 | A kind of unconventional low temperature clean fracturing fluid and preparation method thereof |
| CN110408376A (en) * | 2019-08-28 | 2019-11-05 | 巴州科邦石油助剂有限公司 | Acidproof clean fracturing fluid of viscoplasticity and preparation method thereof |
| CN110776903A (en) * | 2019-11-26 | 2020-02-11 | 新疆力科石油化工技术服务有限公司 | Crosslinking agent for fracturing and preparation method thereof |
| CN110819335A (en) * | 2019-11-26 | 2020-02-21 | 新疆力科石油化工技术服务有限公司 | Crosslinking agent for recyclable polymer fracturing fluid and preparation method thereof |
| CN110862814A (en) * | 2019-11-26 | 2020-03-06 | 新疆力科石油化工技术服务有限公司 | Guanidine gum fracturing fluid organic titanium crosslinking agent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106590611A (en) | Fracturing fluid of crosslinking association polymer and production method thereof | |
| DK2841525T3 (en) | FOAM OR VISCOSIFIED COMPOSITION CONTAINING A CHELING AGENT | |
| AU2011206448B2 (en) | Surfactants and friction reducing polymers for the reduction of water blocks and gas condensates and associated methods | |
| US7655603B2 (en) | Clean-up additive for viscoelastic surfactant based fluids | |
| US9243181B2 (en) | Dual-functional breaker for hybrid fluids of viscoelastic surfactant and polymer | |
| CN1313563C (en) | Composition of clean fracturing fluid additive and method for fracturing stratum | |
| US20080217012A1 (en) | Gelled emulsions and methods of using the same | |
| US10047279B2 (en) | High temperature viscoelastic surfactant (VES) fluids comprising polymeric viscosity modifiers | |
| US9920241B2 (en) | Breakers containing iron compounds and their methods of use | |
| WO2007085423A1 (en) | Process for breaking the viscosity of polymer-thickened aqueous systems for mineral oil and natural gas extraction | |
| EP3004281B1 (en) | Process to treat subterranean formations using a chelating agent | |
| WO2013160334A1 (en) | One step process to remove filter cake and treat a subterranean formation with a chelating agent | |
| US20190218449A1 (en) | Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid | |
| Othman et al. | Rheological Study of Seawater-Based Fracturing Fluid Containing Polymer, Crosslinker, and Chelating Agent | |
| CN109456751B (en) | Low-damage thickening acid and preparation method and application thereof | |
| US11274243B2 (en) | Friction reducers, fracturing fluid compositions and uses thereof | |
| Almubarak et al. | Development of a mixed polymer hydraulic fracturing fluid for high temperature applications | |
| US11136494B2 (en) | Polymer with internal crosslinking and breaking mechanisms | |
| Sangaru et al. | Surface modified nanoparticles as internal breakers for viscoelastic surfactant based fracturing fluids for high temperature operations | |
| US20220204836A1 (en) | Friction reducers, fracturing fluid compositions and uses thereof | |
| CN111886317B (en) | Gelled fluid and associated methods of use | |
| US20240067867A1 (en) | Friction Reducers, Fluid Compositions and Uses Thereof | |
| US20190375983A1 (en) | Friction reducers, fracturing fluid compositions and uses thereof | |
| CN105441057A (en) | High-temperature-resistant inorganic boron crosslinking agent for fracturing and preparation method thereof | |
| WO2017136337A1 (en) | Fines fixing agent having improved compatibility with organic complexed borate fracturing fluids |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
|
| RJ01 | Rejection of invention patent application after publication |