CN104531128A - Guanidine gum fracturing fluid system - Google Patents
Guanidine gum fracturing fluid system Download PDFInfo
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- CN104531128A CN104531128A CN201510006968.XA CN201510006968A CN104531128A CN 104531128 A CN104531128 A CN 104531128A CN 201510006968 A CN201510006968 A CN 201510006968A CN 104531128 A CN104531128 A CN 104531128A
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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
- C09K8/62—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
- C09K8/84—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
- C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
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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
- C09K2208/26—Gel breakers other than bacteria or enzymes
Abstract
The invention discloses a guanidine gum fracturing fluid system. The system comprises a base solution and a cross-linking agent, wherein the weight ratio between the cross-linking agent and the base solution is 0.3-0.8%, the base solution comprises 0.2-0.45% of modified guanidine gum thickening agents, 0.15-0.2% of efficient discharge aiding agents, 0.2-0.5% of efficient clay stabilizers, 0.05-0.1% of bactericides, 0.05-0.15% of efficient gel breakers, and the balance water, and the sum of the weight percentages of all the constituents is 100%. By the adoption of the system, usage mount of guanidine gum is reduced, and therefore residue rate is small, reservoir damage is light, and reservoir protection is facilitated.
Description
Technical field
The application relates to technical field of petroleum extraction, particularly relates to a kind of guanidine gum fracturing fluid system.
Background technology
At present, China oil field has entered the exploitation middle and later periods substantially all, and composite water cut rises, and reservoir permeability declines, and taking pressure break to make seam to oil well, form artificial seepage channel, is improve oil well rate of permeation, improves oil-production efficiency, the most feasible means of increase yield.
Traditional guanidine gum fracturing fluid system that current domestic water-based fracturing uses, though heatproof resistant to shearing ability is strong, be beneficial to and take sand and make seam, guanidine glue usage quantity is large, and after pressure break, broken glue is thorough, causes fracturing fluid residue content high, easily causes reservoir damage.
Summary of the invention
Invention provides a kind of guanidine gum fracturing fluid system, break the high technical problem of fracturing fluid residue content that glue thoroughly do not cause to solve traditional guanidine gum fracturing fluid system.
For solving the problems of the technologies described above, the invention provides a kind of guanidine gum fracturing fluid system, comprising base fluid and linking agent; Wherein, described linking agent and described base fluid are 0.3% ~ 0.8% by weight; Described base fluid consists of: modification guanidine glue viscosifying agent 0.2% ~ 0.45%, efficient cleanup additive 0.15% ~ 0.2%, efficient clay stabilizer 0.2% ~ 0.5%, sterilant 0.05% ~ 0.1%, efficient gel breaker 0.05% ~ 0.15%, all the other are water.
Preferably, described linking agent and described base fluid are 0.6% by weight; Described base fluid consists of: modification guanidine glue viscosifying agent 0.35%, efficient cleanup additive 0.2%, efficient clay stabilizer 0.5%, sterilant 0.08%, efficient gel breaker 0.1%, all the other are water.
Preferably, described efficient cleanup additive is composited by perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol.
Preferably, described efficient cleanup additive is composited by perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, ethanol.
Preferably, described efficient clay stabilizer is the mixed thing of Repone K and choline chloride 60.
Preferably, described sterilant is the mixed thing of dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol.
Preferably, described gel breaker is persulphate, sulphite and tetren mixed thing.
By one or more technical scheme of the present invention, the present invention has following beneficial effect or advantage:
The invention provides a kind of guanidine gum fracturing fluid system, comprise base fluid and linking agent, described linking agent and described base fluid are 0.3% ~ 0.8% by weight; Described base fluid consists of: modification guanidine glue viscosifying agent 0.2% ~ 0.45%, efficient cleanup additive 0.15% ~ 0.2%, efficient clay stabilizer 0.2% ~ 0.5%, sterilant 0.05% ~ 0.1%, efficient gel breaker 0.05% ~ 0.15%; all the other are water; each weight percentages of components sum is 100%; the guanidine gum fracturing fluid system of the present invention's design; reduce the usage quantity of guanidine glue; therefore system residue content is little, and reservoir damage is little, is beneficial to protection reservoir.
Accompanying drawing explanation
Fig. 1 is guanidine gum fracturing fluid system indoor heatproof resistant to shearing power curve schematic diagram in example 1;
Fig. 2 is guanidine gum fracturing fluid system indoor heatproof resistant to shearing power curve schematic diagram in example 2;
Fig. 3 is guanidine gum fracturing fluid system indoor heatproof resistant to shearing power curve schematic diagram in example 3.
Embodiment
In order to make the application the technical staff in the technical field more clearly understand the application, below in conjunction with accompanying drawing, by specific embodiment, technical scheme is described in detail.
The invention provides a kind of guanidine gum fracturing fluid system, comprise base fluid and linking agent.Wherein, described linking agent and described base fluid are 0.3% ~ 0.8% by weight.
Described base fluid consists of: modification guanidine glue viscosifying agent 0.2% ~ 0.45%, efficient cleanup additive 0.15% ~ 0.2%, efficient clay stabilizer 0.2% ~ 0.5%, sterilant 0.05% ~ 0.1%, efficient gel breaker 0.05% ~ 0.15%, all the other are water, and each weight percentages of components sum is 100%.
In the optimum embodiment of the present invention, described linking agent and described base fluid are 0.6% by weight; Described base fluid consists of: modification guanidine glue viscosifying agent 0.35%, efficient cleanup additive 0.2%, efficient clay stabilizer 0.5%, sterilant 0.08%, efficient gel breaker 0.1%, all the other are water.
Linking agent can be 3-aziridinyl propionic ester, or organic titanium cross-linking agent.170s
-1under shearing condition, temperature resistant capability>=200 DEG C.
Lower mask body introduces the moiety of base fluid.
Modification guanidine glue viscosifying agent is through the carboxymethyl modified guanidine glue of special surface process, and outward appearance is pale yellow powder, belongs to the first grade of rower " SY/T 5764-2007 pressure break vegetable jelly generic specifications " regulation.
Efficient cleanup additive is perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol is composite forms, or efficient cleanup additive be perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, ethanol is composite forms.Under 0.2% dosage (mass ratio), 30 DEG C of conditions, surface tension≤25.0mN/m, interfacial tension≤2.0mN/m.
Efficient clay stabilizer is Repone K and choline chloride 60 mixed thing.Anti-clayswelling rate >=80% under room temperature condition.
Linking agent is organic titanium cross-linking agent.170s
-1under shearing condition, temperature resistant capability>=200 DEG C.
Sterilant is dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol mixed thing.
Efficient gel breaker is persulphate (or persulphate capsule), sulphite and tetren mixed thing.Persulphate can be ammonium persulphate, Sodium Persulfate, Potassium Persulphate etc.
Adding of tetren, the redoxomorphism of persulphate can be promoted, and residue flocculation after effectively eliminating broken glue, fracturing fluid residue is scattered in raffinate completely, realizes the object reducing residue further.With concrete example, guanidine gum fracturing fluid system is described below.
Example 1:
Guanidine gum fracturing fluid system is used for low porosity and low permeability, well temperature 120 DEG C of sandstone reservoir pressing crack constructions.
Modification guanidine glue viscosifying agent 0.2%, water 99.6% are mixed with fracturing liquid base fluid, modification guanidine glue viscosifying agent is through the carboxymethyl modified guanidine glue of special surface process, outward appearance is pale yellow powder, belongs to the first grade of rower " SY/T5764-2007 pressure break vegetable jelly generic specifications " regulation.
After it is fully swelling, order adds:
Efficient cleanup additive 0.15%, efficient cleanup additive is perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol or ethanol is composite forms; Under 0.2% dosage (mass ratio), 30 DEG C of conditions, surface tension≤25.0mN/m, interfacial tension≤2.0mN/m.
Efficient clay stabilizer 0.2%, efficient clay stabilizer is Repone K and choline chloride 60 mixed thing.Anti-clayswelling rate >=80% under room temperature condition.
Sterilant 0.05%, sterilant is dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol mixed thing.
Then high-speed stirring is even, to be added dose of all dispersion.
During site operation, pump truck is adopted base fluid, linking agent to be pumped into fracture manifold by weight the ratio of 100:0.3 and carry out pressing crack construction simultaneously.Its indoor heatproof resistant to shearing power curve is as Fig. 1.
Example 2:
Guanidine gum fracturing fluid system is used for low porosity and low permeability, well temperature 150 DEG C of sandstone reservoir pressing crack constructions.
Modification guanidine glue viscosifying agent 0.35%, water 99.52% are mixed with fracturing liquid base fluid, modification guanidine glue viscosifying agent is through the carboxymethyl modified guanidine glue after special surface process, outward appearance is pale yellow powder, belongs to the first grade of rower " SY/T5764-2007 pressure break vegetable jelly generic specifications " regulation.
After its abundant swelling 12min, order adds:
Efficient cleanup additive 0.2%, efficient cleanup additive is perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol or ethanol is composite forms.Under 0.2% dosage (mass ratio), 30 DEG C of conditions, surface tension≤25.0mN/m, interfacial tension≤2.0mN/m.
Efficient clay stabilizer 0.2%, efficient clay stabilizer is Repone K and choline chloride 60 mixed thing.Anti-clayswelling rate >=80% under room temperature condition.
Sterilant 0.08%, sterilant is dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol mixed thing, and high-speed stirring is even, to be added dose of all dispersion.
During site operation, pump truck is adopted base fluid, linking agent to be pumped into fracture manifold by weight the ratio of 100:0.5 and carry out pressing crack construction simultaneously.Its indoor heatproof resistant to shearing power curve is as Fig. 2.
Example 3:
Concentration guanidine gum fracturing fluid system is used for low porosity and low permeability, well temperature 160 DEG C of sandstone reservoir pressing crack constructions.
By modification guanidine glue viscosifying agent 0.45%, water 99.5% configures fracturing liquid base fluid, modification guanidine glue viscosifying agent is through the carboxymethyl modified guanidine glue after special surface process, and outward appearance is pale yellow powder, belongs to the first grade of rower " SY/T5764-2007 pressure break vegetable jelly generic specifications " regulation.
After its abundant swelling 12min, order adds:
Efficient cleanup additive 0.2%, efficient cleanup additive is perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol or ethanol is composite forms.Under 0.2% dosage (for mass ratio), 30 DEG C of conditions, surface tension≤25.0mN/m, interfacial tension≤2.0mN/m.
Efficient clay stabilizer 0.2%, efficient clay stabilizer is Repone K and choline chloride 60 mixed thing.Anti-clayswelling rate >=80% under room temperature condition.
Sterilant 0.10%, sterilant is dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol mixed thing, and high-speed stirring is even, to be added dose of all dispersion.
During site operation, pump truck is adopted base fluid, linking agent to be pumped into fracture manifold by weight the ratio of 100:0.8 and carry out pressing crack construction simultaneously.Its indoor heatproof resistant to shearing power curve is as Fig. 3.
The feature performance benefit of the guanidine gum fracturing fluid system that the present invention relates to and beneficial effect, can show from following test result.
The guanidine gum fracturing fluid system rheological property at different temperatures that the present invention relates to of this experimental test, referring to table 1, be the broken colloidality of guanidine gum fracturing fluid system static state can effect.
Table 1
A kind of high temperature resistant low concentration guanidine gum fracturing fluid system residue content of this experimental test, referring to table 2, is the guanidine gum fracturing fluid system residue content that the present invention relates to.
Table 2
A kind of high temperature resistant low concentration guanidine gum fracturing fluid system static filtration coefficient of this experimental test, referring to table 3, is the guanidine gum fracturing fluid system static filtration coefficient that the present invention relates to.
Table 3
A kind of high temperature resistant low concentration guanidine gum fracturing fluid system core damage performance of this experimental test, referring to table 4, is the guanidine gum fracturing fluid static filtration coefficient that the present invention relates to.
Table 4
By one or more embodiment of the present invention, the present invention has following beneficial effect or advantage:
The invention provides a kind of guanidine gum fracturing fluid system, comprise base fluid and linking agent, described linking agent and described base fluid are 0.3% ~ 0.8% by weight; Described base fluid consists of: modification guanidine glue viscosifying agent 0.2% ~ 0.45%, efficient cleanup additive 0.15% ~ 0.2%, efficient clay stabilizer 0.2% ~ 0.5%, sterilant 0.05% ~ 0.1%, efficient gel breaker 0.05% ~ 0.15%; all the other are water; each weight percentages of components sum is 100%; the guanidine gum fracturing fluid system of the present invention's design; reduce the usage quantity of guanidine glue; therefore system residue content is little, and reservoir damage is little, is beneficial to protection reservoir.
Although described the preferred embodiment of the application, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.
Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (7)
1. a guanidine gum fracturing fluid system, comprises base fluid and linking agent; Wherein, described linking agent and described base fluid are 0.3% ~ 0.8% by weight;
Described base fluid consists of: modification guanidine glue viscosifying agent 0.2% ~ 0.45%, efficient cleanup additive 0.15% ~ 0.2%, efficient clay stabilizer 0.2% ~ 0.5%, sterilant 0.05% ~ 0.1%, efficient gel breaker 0.05% ~ 0.15%, all the other are water.
2. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described linking agent and described base fluid are 0.6% by weight;
Described base fluid consists of: modification guanidine glue viscosifying agent 0.35%, efficient cleanup additive 0.2%, efficient clay stabilizer 0.5%, sterilant 0.08%, efficient gel breaker 0.1%, all the other are water.
3. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described efficient cleanup additive is composited by perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, methyl alcohol.
4. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described efficient cleanup additive is composited by perfluoro capryl carboxylic acid Soxylat A 25-7, alkylphenol polyoxyethylene, ethanol.
5. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described efficient clay stabilizer is the mixed thing of Repone K and choline chloride 60.
6. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described sterilant is the mixed thing of dodecyl-dimethyl amine class tensio-active agent, glutaraldehyde, ethanol.
7. guanidine gum fracturing fluid system as claimed in claim 1, it is characterized in that, described efficient gel breaker is persulphate, sulphite and tetren mixed thing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006968.XA CN104531128A (en) | 2015-01-07 | 2015-01-07 | Guanidine gum fracturing fluid system |
| PCT/CN2015/079340 WO2016110038A1 (en) | 2015-01-07 | 2015-05-20 | Guanidine gum fracturing fluid system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006968.XA CN104531128A (en) | 2015-01-07 | 2015-01-07 | Guanidine gum fracturing fluid system |
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| CN104531128A true CN104531128A (en) | 2015-04-22 |
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| WO (1) | WO2016110038A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106085404A (en) * | 2016-06-06 | 2016-11-09 | 中国石油化工股份有限公司 | A kind of Low Damage, super low concentration guar gum fracturing fluid system, preparation method and application |
| CN106147739A (en) * | 2016-07-19 | 2016-11-23 | 郑州鑫源防磨耐材有限公司 | A kind of pressure break clay stabilizer and preparation method thereof |
| CN108239532A (en) * | 2016-12-26 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of shale pressure break slippery water cleanup additive, preparation method and application |
| CN108795402A (en) * | 2017-04-28 | 2018-11-13 | 深圳市百勤石油技术有限公司 | A kind of guanidine gum fracturing fluid and preparation method thereof for superhigh temperature reservoir |
| CN109971452A (en) * | 2019-03-19 | 2019-07-05 | 中国石油天然气集团公司 | A kind of low-temperature activation agent and low temperature fracture fluid system |
| CN111040752A (en) * | 2018-10-11 | 2020-04-21 | 中国石油化工股份有限公司 | Low-adsorption fracturing fluid system and preparation method thereof |
| CN111635750A (en) * | 2020-06-22 | 2020-09-08 | 北京斯迪莱铂油气技术有限公司 | Fracturing fluid and preparation method thereof |
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| CN111925784B (en) * | 2019-05-13 | 2023-02-28 | 中国石油天然气股份有限公司 | Guanidine gum fracturing fluid microbial composite oil displacement system and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102634328B (en) * | 2012-03-09 | 2013-12-04 | 中国石油天然气股份有限公司 | Carboxymethyl hydroxypropyl guanidine gum fracturing fluid |
| CN102676146B (en) * | 2012-05-04 | 2014-02-26 | 中国石油天然气股份有限公司 | Super guanidine gum fracturing fluid |
| CN103694986B (en) * | 2014-01-08 | 2016-05-25 | 四川川庆井下科技有限公司 | A kind of guar gum fracturing fluid |
-
2015
- 2015-01-07 CN CN201510006968.XA patent/CN104531128A/en active Pending
- 2015-05-20 WO PCT/CN2015/079340 patent/WO2016110038A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085404A (en) * | 2016-06-06 | 2016-11-09 | 中国石油化工股份有限公司 | A kind of Low Damage, super low concentration guar gum fracturing fluid system, preparation method and application |
| CN106085404B (en) * | 2016-06-06 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of Low Damage, super low concentration guar gum fracturing fluid system, preparation method and application |
| CN106147739A (en) * | 2016-07-19 | 2016-11-23 | 郑州鑫源防磨耐材有限公司 | A kind of pressure break clay stabilizer and preparation method thereof |
| CN108239532A (en) * | 2016-12-26 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of shale pressure break slippery water cleanup additive, preparation method and application |
| CN108795402A (en) * | 2017-04-28 | 2018-11-13 | 深圳市百勤石油技术有限公司 | A kind of guanidine gum fracturing fluid and preparation method thereof for superhigh temperature reservoir |
| CN111040752A (en) * | 2018-10-11 | 2020-04-21 | 中国石油化工股份有限公司 | Low-adsorption fracturing fluid system and preparation method thereof |
| CN111040752B (en) * | 2018-10-11 | 2022-03-25 | 中国石油化工股份有限公司 | Low-adsorption fracturing fluid system and preparation method thereof |
| CN109971452A (en) * | 2019-03-19 | 2019-07-05 | 中国石油天然气集团公司 | A kind of low-temperature activation agent and low temperature fracture fluid system |
| CN109971452B (en) * | 2019-03-19 | 2021-05-18 | 中国石油天然气集团公司 | Low-temperature activator and low-temperature fracturing fluid system |
| CN111635750A (en) * | 2020-06-22 | 2020-09-08 | 北京斯迪莱铂油气技术有限公司 | Fracturing fluid and preparation method thereof |
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|---|---|
| WO2016110038A1 (en) | 2016-07-14 |
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Application publication date: 20150422 |