CN109233787A - A kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide - Google Patents
A kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide Download PDFInfo
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- CN109233787A CN109233787A CN201811275124.5A CN201811275124A CN109233787A CN 109233787 A CN109233787 A CN 109233787A CN 201811275124 A CN201811275124 A CN 201811275124A CN 109233787 A CN109233787 A CN 109233787A
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- microbial polysaccharide
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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
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
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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
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
- C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
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- 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
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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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/28—Friction or drag reducing additives
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Abstract
The invention belongs to petroleum works technical fields, disclose a kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide, the composition of the shale gas slippery water fracturing fluid based on microbial polysaccharide are as follows: microbial polysaccharide drag reducer, crosslinking agent, crosslinking delay agent, expansion-resisting agent, cleanup additive, surplus are water；Microbial polysaccharide drag reducer is one or more of welan gum, diutan, xanthan gum.The microbial polysaccharide type drag reducer of offer of the invention, heat resistance is strong, its good performance is kept between 120 DEG C -140 DEG C；It is using starch as carbon source, with peptone, soy meal etc. using distinctive micro-organisms strain for nitrogen source, it is made through everfermentation, extraction, microbial polysaccharide obtained has good tackifying, it is nontoxic in use process, harmless, pollution-free, it is environmentally friendly, it is widely used in the industries such as petroleum, building, food.
Description
Technical field
The invention belongs to petroleum works technical field more particularly to a kind of smooth hydraulic pressure of shale gas based on microbial polysaccharide
Split liquid and preparation method thereof.
Background technique
Currently, the prior art commonly used in the trade is such that the slippery water fracturing fluid at present using China is mostly to have state
The technology that outer geophysical service company provides, primarily directed to the U.S. buries shallower shale gas reservoir pressure break and develops, in China
Practicability it is poor, Chinese fine and close shale gas reservoir has the characteristics that low hole, hypotonic, and exploration and development difficulty is larger, most of
Shale gas well needs reservoir reconstruction that could obtain more satisfactory yield, and therefore, the fracturing fluid usage amount of upper ten thousand stere becomes
Shale gas reservoir pressure break is different from one of the characteristics of normal gas pools pressure break.Currently, external shale gas develops most important well stimulation
It is drag reduction pressure break, i.e., carries out volume transformation using drag reduction water fracturing fluid, drag reduction water fracturing fluid system is changed for shale gas reservoir
A kind of new fracturing fluid system made and grown up, drag reducer used at present is mostly organic polymer, a large amount of use pair
Environment will cause certain pollution, and temperature tolerance is poor, it is difficult to keep constant at a higher temperature.
In conclusion problem of the existing technology is:
Drag reducer in slippery water fracturing fluid used at present is mostly organic polymer, and a large amount of use will cause environment
Certain pollution, and temperature tolerance is poor, it is difficult to it keeps constant at a higher temperature.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of smooth hydraulic pressure of the shale gas based on microbial polysaccharide
Split liquid and preparation method thereof.
The invention is realized in this way a kind of shale gas slippery water fracturing fluid based on microbial polysaccharide, mass percent
Composition are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, prevent it is swollen
Agent 0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water.
Further, the microbial polysaccharide drag reducer is one or more of welan gum, diutan, xanthan gum.
Further, the crosslinking agent is zirconium oxychloride or zirconium acetate；Crosslinking delay agent is acetylacetone,2,4-pentanedione；Expansion-resisting agent is matter
Amount is than the potassium chloride and guanidine hydrochloride for 1:1；Cleanup additive is non-ion fluorin carbon surface active agent, anionic fluorine carbon surface-active
One of agent, methanol, ethyl alcohol, isopropanol are a variety of.
Another object of the present invention is to provide the preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide,
This method are as follows:
The preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide includes:
Step 1: subtract the use for renting the concentration 0.1%-0.3% of agent according to the microbial polysaccharide of arrangement and method for construction using diaphragm pump
Fracturing fluid Configuration Online manifold or pressure break fracturing blender truck is added in amount；
Step 2: by expansion-resisting agent and cleanup additive, concentration uses metering pump that Configuration Online manifold or pressure is added by a certain percentage
Split fracturing blender truck；
Step 3: crosslinking agent and crosslinking delay agent are added using metering pump in fracturing blender truck by corresponding dosage concentration.
Further, the preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide further comprises micro- life
The preparation of object polysaccharide；It specifically includes
Using micro-organisms strain using starch as carbon source, using peptone, soy meal as nitrogen source, through everfermentation, extraction
It is made, microbial polysaccharide obtained.
The shale gas slippery water pressure break based on microbial polysaccharide is utilized another object of the present invention is to provide a kind of
The petroleum industry microbial polysaccharide type drag reducer of liquid preparation.
The shale gas slippery water pressure break based on microbial polysaccharide is utilized another object of the present invention is to provide a kind of
The building trade microbial polysaccharide type drag reducer of liquid preparation.
The shale gas slippery water pressure break based on microbial polysaccharide is utilized another object of the present invention is to provide a kind of
The industries microbial polysaccharide type drag reducers such as the food of liquid preparation.
In conclusion advantages of the present invention and good effect are as follows:
Drag reducer in the shale gas slippery water fracturing fluid based on microbial polysaccharide of offer of the invention uses microorganism
Glycan drag reducer, temperature tolerance is strong, energy high temperature resistant, performance can stablize between 120 DEG C -140 DEG C；Microbial polysaccharide type drag reduction
Agent is that preparation is completed by fermenting, and fermentation carrier mostly uses starch, and the glue for fermenting out can reach really nontoxic
It is harmless pollution-free, it is not only environmentally friendly but also hygienic, it can be used in food and other field.
The shale gas slippery water fracturing fluid of microbial polysaccharide provided by the invention completes the production by fermenting and passes through fixation
Nutriment, major embodiment makes its effect that plays a role in reasonable and flexibility the strain that applies to, is also embodied in, benefit
Fermentation is allowed to come out with starch (containing protein, especially high protein, to realize that fermenting property makes its effect that plays a role)
Glue reaches really non-toxic, harmless and pollution-free, not only environmentally friendly but also hygienic.
Drag reducer in the shale gas slippery water fracturing fluid based on microbial polysaccharide of offer of the invention uses microorganism
The heat resistance of glycan drag reducer, this drag reducer is strong, its good performance can be kept between 120 DEG C -140 DEG C；Micro- life
Object glycan drag reducer is prepared by microbial fermentation, is using distinctive micro-organisms strain using starch as carbon
Source, with peptone, soy meal etc. for nitrogen source, through everfermentation, extraction be made, microbial polysaccharide obtained have good thickening
Property, it is nontoxic, harmless, pollution-free in use process, it is environmentally friendly, it is widely used in the industries such as petroleum, building, food.
Detailed description of the invention
Fig. 1 is the preparation method process of the shale gas slippery water fracturing fluid of microbial polysaccharide provided in an embodiment of the present invention
Figure；
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The mass percentage composition of shale gas slippery water fracturing fluid provided in an embodiment of the present invention based on microbial polysaccharide
Are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, prevent it is swollen
Agent 0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water.
Microbial polysaccharide drag reducer provided in an embodiment of the present invention be one of welan gum, diutan, xanthan gum or
It is a variety of.
Crosslinking agent provided in an embodiment of the present invention is zirconium oxychloride or zirconium acetate；Crosslinking delay agent is acetylacetone,2,4-pentanedione；It is anti-
Swollen dose is potassium chloride and guanidine hydrochloride that mass ratio is 1:1；Cleanup additive is non-ion fluorin carbon surface active agent, anionic fluorine carbon
One of surfactant, methanol, ethyl alcohol, isopropanol are a variety of.
As shown in Figure 1, the preparation of the shale gas slippery water fracturing fluid provided in an embodiment of the present invention based on microbial polysaccharide
Method are as follows:
S101: subtract the dosage for renting the concentration 0.1%-0.3% of agent according to the microbial polysaccharide of arrangement and method for construction using diaphragm pump
Fracturing fluid Configuration Online manifold or pressure break fracturing blender truck is added；
S102: by expansion-resisting agent and cleanup additive, concentration uses metering pump that Configuration Online manifold or pressure break is added by a certain percentage
Fracturing blender truck；
S103: crosslinking agent and crosslinking delay agent are added using metering pump in fracturing blender truck by corresponding dosage concentration.
The preparation method of shale gas slippery water fracturing fluid based on microbial polysaccharide further comprises the system of microbial polysaccharide
It is standby；It specifically includes:
At 120 DEG C -140 DEG C, using micro-organisms strain using starch as carbon source, using peptone, soy meal as nitrogen source,
It is made through everfermentation, extraction, microbial polysaccharide obtained.
The present invention will be further described combined with specific embodiments below.
Embodiment 1
The mass percentage composition of shale gas slippery water fracturing fluid based on microbial polysaccharide are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, prevent it is swollen
Agent 0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water；Microbial polysaccharide drag reducer is welan gum, diutan, Huang
Virgin rubber is added by 1:1:1；Crosslinking agent is zirconium oxychloride；Crosslinking delay agent is acetylacetone,2,4-pentanedione；Expansion-resisting agent is the chlorine that mass ratio is 1:1
Change potassium and guanidine hydrochloride；Cleanup additive is the aqueous solution of non-ion fluorin carbon surface active agent and methanol；When temperature is 120 DEG C.
The resistance-reducing yield 65% of shale gas slippery water fracturing fluid, anti-dilative 80%, surface tension 24mN/m, crosslinking time 20s.
Embodiment 2
The mass percentage composition of shale gas slippery water fracturing fluid based on microbial polysaccharide are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, prevent it is swollen
Agent 0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water；Microbial polysaccharide drag reducer is welan gum, diutan, Huang
Virgin rubber is added by 1:1:1；Crosslinking agent is zirconium oxychloride；Crosslinking delay agent is acetylacetone,2,4-pentanedione；Expansion-resisting agent is the chlorine that mass ratio is 1:1
Change potassium and guanidine hydrochloride；Cleanup additive is the aqueous solution of non-ion fluorin carbon surface active agent and methanol；When temperature is 130 DEG C.
The resistance-reducing yield 67% of shale gas slippery water fracturing fluid, anti-dilative 85%, surface tension 26mN/m.
Embodiment 3
The mass percentage composition of shale gas slippery water fracturing fluid based on microbial polysaccharide are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, prevent it is swollen
Agent 0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water；Microbial polysaccharide drag reducer is welan gum, diutan, Huang
Virgin rubber is added by 1:1:1；Crosslinking agent is zirconium oxychloride；Crosslinking delay agent is acetylacetone,2,4-pentanedione；Expansion-resisting agent is the chlorine that mass ratio is 1:1
Change potassium and guanidine hydrochloride；Cleanup additive is the aqueous solution of non-ion fluorin carbon surface active agent and methanol；When temperature is 140 DEG C.
The resistance-reducing yield 70% of shale gas slippery water fracturing fluid, anti-dilative 80%, surface tension 26mN/m.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of shale gas slippery water fracturing fluid based on microbial polysaccharide, which is characterized in that described based on microbial polysaccharide
The component mass percent of shale gas slippery water fracturing fluid are as follows:
Microbial polysaccharide drag reducer 0.1%~0.3%, crosslinking agent 0%~1%, crosslinking delay agent 0%~0.5%, expansion-resisting agent
0.3%~0.5%, cleanup additive 0.1%~0.3%, surplus are water.
2. the shale gas slippery water fracturing fluid based on microbial polysaccharide as described in claim 1, which is characterized in that the microorganism
Polysaccharide drag reducer is one or more of welan gum, diutan, xanthan gum.
3. the shale gas slippery water fracturing fluid based on microbial polysaccharide as described in claim 1, which is characterized in that
The crosslinking agent is zirconium oxychloride or zirconium acetate；
Crosslinking delay agent is acetylacetone,2,4-pentanedione；
Expansion-resisting agent is the potassium chloride and guanidine hydrochloride that mass ratio is 1:1；
Cleanup additive is non-ion fluorin carbon surface active agent, in anionic fluorine carbon surfactant, methanol, ethyl alcohol, isopropanol
It is one or more.
4. a kind of preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide as described in claim 1, feature
It is, the preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide includes:
Step 1: the dosage for the concentration 0.1%-0.3% for subtracting rent agent according to the microbial polysaccharide of arrangement and method for construction using diaphragm pump adds
Enter fracturing fluid Configuration Online manifold or pressure break fracturing blender truck；
Step 2: by expansion-resisting agent and cleanup additive, Configuration Online manifold is added using metering pump in concentration by a certain percentage or pressure break is mixed
Sand vehicle；
Step 3: crosslinking agent and crosslinking delay agent are added using metering pump in fracturing blender truck by corresponding dosage concentration.
5. the preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide as claimed in claim 4, which is characterized in that
The preparation method of the shale gas slippery water fracturing fluid based on microbial polysaccharide further comprises the preparation of microbial polysaccharide；Tool
Body includes:
Using micro-organisms strain using starch as carbon source, using peptone, soy meal as nitrogen source, it is made through everfermentation, extraction,
Microbial polysaccharide obtained.
6. a kind of petroleum industry using the shale gas slippery water fracturing fluid preparation described in claim 1 based on microbial polysaccharide is micro-
Biological polyoses type drag reducer.
7. a kind of building trade using the shale gas slippery water fracturing fluid preparation described in claim 1 based on microbial polysaccharide is micro-
Biological polyoses type drag reducer.
8. industries such as a kind of food of shale gas slippery water fracturing fluid preparation using described in claim 1 based on microbial polysaccharide
Microbial polysaccharide type drag reducer.
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| CN201811275124.5A CN109233787A (en) | 2018-10-30 | 2018-10-30 | A kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340859A (en) * | 2022-09-23 | 2022-11-15 | 河北鑫合生物化工有限公司 | Composite polysaccharide drag reducer, composite polysaccharide slickwater fracturing fluid and application |
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| CN103275691A (en) * | 2013-06-03 | 2013-09-04 | 深圳市百勤石油技术有限公司 | Reusable slippery water fracturing fluid for shale oil and gas reservoir |
| CN105219372A (en) * | 2015-11-19 | 2016-01-06 | 四川光亚聚合物化工有限公司 | A kind of multi-functional composite fracturing liquid system |
| CN105567211A (en) * | 2015-12-28 | 2016-05-11 | 重庆地质矿产研究院 | Shale gas slickwater fracturing fluid and preparation method thereof |
| CN106930745A (en) * | 2015-12-31 | 2017-07-07 | 北京仁创科技集团有限公司 | Exploitation of oil-gas field method |
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2018
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| CN103275691A (en) * | 2013-06-03 | 2013-09-04 | 深圳市百勤石油技术有限公司 | Reusable slippery water fracturing fluid for shale oil and gas reservoir |
| CN105219372A (en) * | 2015-11-19 | 2016-01-06 | 四川光亚聚合物化工有限公司 | A kind of multi-functional composite fracturing liquid system |
| CN105567211A (en) * | 2015-12-28 | 2016-05-11 | 重庆地质矿产研究院 | Shale gas slickwater fracturing fluid and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340859A (en) * | 2022-09-23 | 2022-11-15 | 河北鑫合生物化工有限公司 | Composite polysaccharide drag reducer, composite polysaccharide slickwater fracturing fluid and application |
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Application publication date: 20190118 |