CN110373173A - A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant - Google Patents
A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant Download PDFInfo
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- CN110373173A CN110373173A CN201910666589.1A CN201910666589A CN110373173A CN 110373173 A CN110373173 A CN 110373173A CN 201910666589 A CN201910666589 A CN 201910666589A CN 110373173 A CN110373173 A CN 110373173A
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- thickener
- repeatable
- fracturing fluid
- crosslinking
- high temperature
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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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/602—Compositions for stimulating production by acting on the underground formation containing surfactants
- C09K8/604—Polymeric surfactants
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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
- C09K8/60—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
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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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/885—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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Abstract
The invention discloses a kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, thickener by raw material weight than by 50% water, 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% Organic Alcohol, 5% CAB-35 be made；Thickener of the invention has repeatable and recycling characteristic, so that fracturing fluid does not have to specially treated, temperature tolerance is higher, and highest is resistant to 170 DEG C, is advantageously implemented that fracturing methods increase production and improve productivity, security control, save water and energy, environmental emission reduction, cost efficiency and construction propose the purpose of effect；During actual use, by work progress technology controlling and process, the fracturing reform requirement of hypotonic oil gas field can satisfy, can accomplish that pressure break overall process airtight execution, all raffinates can be used with more efficient circulating repetition, be finally reached the live purpose without raffinate.
Description
Technical field
The present invention relates to a kind of thickener, in particular to the repeatable crosslinking clean fracturing fluid thickener of a kind of high temperature resistant belongs to
In thickener technical field.
Background technique
Fracturing fluid is one of the key link of oil/gas well completion technique pressing crack construction, is known as the title of pressure break " blood ".It
Performance in addition to directly influence hydraulic fracturing construction success rate other than, can also to after pressure oil-gas Layer correctional effect generate it is very big
It influences.Fracturing fluid should have a good thermal stability and rheological property in construction, lower frictional resistance pressure drop, and outstanding proppant is defeated
It send and suspending power, and after construction, and can rapidly and thoroughly break glue and return row, residue is low and enters the filter on stratum
It loses liquid and oil gas compatibility is good, minimum is answered in the injury of the potentiality caused by reservoir, to obtain comparatively ideal construction effect.
Aqueous fracturing fluid, thickening agent are commonly guanidine that glue and its derivative, and the clean fracturing fluid occurred in recent years uses
Synthetic polymer, if polyacrylamide is as thickener；The generally existing temperature resistant capability of clean fracturing fluid used on the market at present
Difference is usually no more than 90 DEG C, and constituent is complicated, and at high cost, broken glue is not thorough, and cannot repeat the shortcomings that crosslinking uses.
With hyposmosis, the exploitation in ultra-low penetration oil field, fracturing engineering amount increases considerably year by year, the disadvantage of conventional fracturing fluid
More aobvious protrusion is held, as environmental requirement is more and more tighter, the processing requirement of fracturing fluid recovery (backflow) liquid is higher and higher, continues a kind of solution oil
Field yield and the New Fracturing Fluid of environmental requirement.
Summary of the invention
The invention proposes a kind of repeatable crosslinking clean fracturing fluid thickeners of high temperature resistant, solve and clean in the prior art
The generally existing temperature resistant capability of fracturing fluid is poor, is usually no more than 90 DEG C, constituent is complicated, and at high cost, broken glue is not thorough, Bu Nengchong
The problem of connection of reestablishing diplomatic relations uses.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant of the present invention, the thickener is to be by raw material weight ratio
50% water, 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% Organic Alcohol, 5% CAB-35
It is made.
As a preferred technical solution of the present invention, the Organic Alcohol is methanol, ethyl alcohol, propyl alcohol, isopropanol, ethylene glycol
One of with ring ethyl alcohol.
A kind of preparation method of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, the preparation step are as follows:
Step 1: by weight ratio be 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% have
The CAB-35 of machine pure and mild 5% is added in mixing kettle, is stirred mixing 45-60 minutes, mixture is made；
Uniformly mixed mixture: being sent into emulsifying kettle using pipeline and feeding engine, and suitable water be added by step 2,
After being stirred 1.5-2 hours, mixed liquor is made；
Step 3: mixed liquor is sent into using pipeline and feeding engine and is stood in kettle, and suitable water is added, is stirred
After 30-40 minutes, 2-3 hours are stood, that is, can be made into required thickener；
Step 4: thickener obtained is exported by pipeline, is packed and stored by pail pack.
It is that all raw materials are total in the total amount for preparing water used in thickener as a preferred technical solution of the present invention
The 50% of amount.
As a preferred technical solution of the present invention, when preparing thickener, raw material, which passes through, to be connected between each kettle
Pipeline is conveyed and is exported, and is not contacted with the external world.
The beneficial effects obtained by the present invention are as follows being: a kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant of the invention
Compared with prior art, have it is below the utility model has the advantages that
1, thickener of the invention has repeatable and recycling characteristic, so that fracturing fluid does not have to specially treated, it is resistance to
Warm nature is higher, highest be resistant to 170 DEG C, be advantageously implemented fracturing methods increase production and improve productivity, security control, save water and energy, environmental emission reduction,
Cost efficiency and construction propose the purpose of effect.
2, thickener of the invention, by work progress technology controlling and process, can satisfy hypotonic during actual use
The fracturing reform requirement of oil gas field, can accomplish that pressure break overall process airtight execution, all raffinates can be made with more efficient circulating repetition
With being finally reached the live purpose without raffinate.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of preparation process flow of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant proposed by the present invention
Figure；
Fig. 2 is a kind of actual use process of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant proposed by the present invention
Figure.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, thickener is by original
Material weight ratio be 50% water, 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% Organic Alcohol,
5% CAB-35 is made.
Organic Alcohol is one of methanol, ethyl alcohol, propyl alcohol, isopropanol, ethylene glycol and ring ethyl alcohol.
A kind of preparation method of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, preparation step are as follows:
Step 1: by weight ratio be 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% have
The CAB-35 of machine pure and mild 5% is added in mixing kettle, is stirred mixing 45-60 minutes, mixture is made；
Uniformly mixed mixture: being sent into emulsifying kettle using pipeline and feeding engine, and suitable water be added by step 2,
After being stirred 1.5-2 hours, mixed liquor is made；
Step 3: mixed liquor is sent into using pipeline and feeding engine and is stood in kettle, and suitable water is added, is stirred
After 30-40 minutes, 2-3 hours are stood, that is, can be made into required thickener；
Step 4: thickener obtained is exported by pipeline, is packed and stored by pail pack.
In 50% that the total amount for preparing water used in thickener is all raw material total amounts.
When preparing thickener, raw material passes through the pipeline being connected between each kettle and is conveyed and exported, not with the external world into
Row contact, can be improved the quality of thickener preparation, avoids by outside contamination, and main according to preparation process provided by the invention
For physical reactions, be by raw material at a certain temperature, be sufficiently stirred, merge, to generate finished product, production process is not changed
Learn reaction；Therefore, three industrial wastes problem is not present in factory；Even qualified products can be obtained by reprocessing in substandard products.
As shown in Fig. 2, thickener of the invention during actual use, can be used live mixed configuration mode in time into
Thickener is placed in beside fracturing blender truck by row, when pressure break, thickener and water crosslinking is pumped into, in mixing sand tank directly
Mixture in 20 seconds, can reach and take sand viscosity and carry the proppant into stratum.
Embodiment 2
By thickener raw material weight than be changed to weight ratio be 40% water, 35% lauryl sodium sulfate, 10% department
80,5% Tween 80 of disk, 5% Organic Alcohol, 5% CAB-35, and handed over according to a kind of high temperature resistant provided by the invention is repeatable
The preparation method of connection clean fracturing fluid thickener is prepared into thickener.
Embodiment 3
By thickener raw material weight than be changed to weight ratio be 45% water, 30% lauryl sodium sulfate, 10% department
80,8% Tween 80 of disk, 5% Organic Alcohol, 2% CAB-35, and handed over according to a kind of high temperature resistant provided by the invention is repeatable
The preparation method of connection clean fracturing fluid thickener is prepared into thickener.
Embodiment 4
By thickener raw material weight than be changed to weight ratio be 50% water, 25% lauryl sodium sulfate, 10% department
80,8% Tween 80 of disk, 5% Organic Alcohol, 2% CAB-35, and handed over according to a kind of high temperature resistant provided by the invention is repeatable
The preparation method of connection clean fracturing fluid thickener is prepared into thickener.
Embodiment 5
By thickener raw material weight than be changed to weight ratio be 50% water, 30% lauryl sodium sulfate, 8% sapn
80,5% Tween 80,5% Organic Alcohol, 2% CAB-35, and according to a kind of repeatable crosslinking of high temperature resistant provided by the invention
The preparation method of clean fracturing fluid thickener is prepared into thickener.
Thickener obtained in each embodiment is carried out according to construction usage process shown in Fig. 2 using and detecting use
The temperature resistant to high temperature of pressure break afterwards, taking sand viscosity and fracturing fluid, whether there is or not residues, shown in table specific as follows:
Table 1
As shown in Table 1, the performance of thickener prepared by the raw material proportioning provided in the embodiment of the present invention 1 is best, is most
Good selection.
Thickener of the invention has repeatable and recycling characteristic, so that fracturing fluid does not have to specially treated, heatproof
Property it is higher, highest be resistant to 170 DEG C, be advantageously implemented fracturing methods increase production and improve productivity, security control, save water and energy, environmental emission reduction, drop
This synergy and construction propose the purpose of effect；During actual use, pass through work progress technology controlling and process, Ke Yiman
The fracturing reform requirement of the hypotonic oil gas field of foot, can accomplish that pressure break overall process airtight execution, all raffinates more efficient can recycle
It reuses, is finally reached the live purpose without raffinate.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, which is characterized in that the thickener is by raw material weight
Than water, 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% Organic Alcohol, 5% for 50%
CAB-35 is made.
2. a kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant according to claim 1, which is characterized in that described
Organic Alcohol is one of methanol, ethyl alcohol, propyl alcohol, isopropanol, ethylene glycol and ring ethyl alcohol.
3. a kind of preparation method of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant, which is characterized in that the preparation step
It is as follows:
Step 1: being 30% lauryl sodium sulfate, 5% sorbester p17,5% Tween 80,5% Organic Alcohol by weight ratio
CAB-35 with 5% is added in mixing kettle, is stirred mixing 45-60 minutes, mixture is made；
Step 2: uniformly mixed mixture is sent into emulsifying kettle using pipeline and feeding engine, and suitable water is added, is stirred
After mixing 1.5-2 hours, mixed liquor is made；
Step 3: mixed liquor is sent into using pipeline and feeding engine and is stood in kettle, and suitable water is added, is stirred 30-40
After minute, 2-3 hours are stood, that is, can be made into required thickener；
Step 4: thickener obtained is exported by pipeline, is packed and stored by pail pack.
4. a kind of preparation method of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant according to claim 3, special
Sign is, in 50% that the total amount for preparing water used in thickener is all raw material total amounts.
5. a kind of preparation method of the repeatable crosslinking clean fracturing fluid thickener of high temperature resistant according to claim 3, special
Sign is, when preparing thickener, raw material passes through the pipeline being connected between each kettle and conveyed and exported, and does not carry out with the external world
Contact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666589.1A CN110373173A (en) | 2019-07-23 | 2019-07-23 | A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666589.1A CN110373173A (en) | 2019-07-23 | 2019-07-23 | A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant |
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| CN110373173A true CN110373173A (en) | 2019-10-25 |
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| CN201910666589.1A Pending CN110373173A (en) | 2019-07-23 | 2019-07-23 | A kind of repeatable crosslinking clean fracturing fluid thickener of high temperature resistant |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093874A (en) * | 2010-12-28 | 2011-06-15 | 中国石油大学(华东) | Anion type nano compound clean fracturing fluid and preparation method thereof |
| CN102504797A (en) * | 2011-11-22 | 2012-06-20 | 西安石油大学 | Multifunctional clean fracturing fluid |
| CN105368436A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Small-molecular clean fracturing fluid and preparation method and application thereof |
| CN106566511A (en) * | 2016-10-24 | 2017-04-19 | 中国石油大学(华东) | Surfactant micelle oil displacement agent |
| CN108102633A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of viscoplasticity acid-base fracturing fluid and preparation method thereof |
| CN108707454A (en) * | 2018-06-05 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司 | A kind of thickening agent and its application |
| CN109609113A (en) * | 2018-03-08 | 2019-04-12 | 中国石油大学(华东) | A kind of heat-resistance type composite clean fracturing fluid and preparation method thereof |
-
2019
- 2019-07-23 CN CN201910666589.1A patent/CN110373173A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093874A (en) * | 2010-12-28 | 2011-06-15 | 中国石油大学(华东) | Anion type nano compound clean fracturing fluid and preparation method thereof |
| CN102504797A (en) * | 2011-11-22 | 2012-06-20 | 西安石油大学 | Multifunctional clean fracturing fluid |
| CN105368436A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Small-molecular clean fracturing fluid and preparation method and application thereof |
| CN106566511A (en) * | 2016-10-24 | 2017-04-19 | 中国石油大学(华东) | Surfactant micelle oil displacement agent |
| CN108102633A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of viscoplasticity acid-base fracturing fluid and preparation method thereof |
| CN109609113A (en) * | 2018-03-08 | 2019-04-12 | 中国石油大学(华东) | A kind of heat-resistance type composite clean fracturing fluid and preparation method thereof |
| CN108707454A (en) * | 2018-06-05 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司 | A kind of thickening agent and its application |
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Application publication date: 20191025 |