CN110734753A - wet mixing fiber for well cementation and preparation method thereof - Google Patents
wet mixing fiber for well cementation and preparation method thereof Download PDFInfo
- Publication number
- CN110734753A CN110734753A CN201810799871.2A CN201810799871A CN110734753A CN 110734753 A CN110734753 A CN 110734753A CN 201810799871 A CN201810799871 A CN 201810799871A CN 110734753 A CN110734753 A CN 110734753A
- Authority
- CN
- China
- Prior art keywords
- fiber
- well cementation
- wet
- stirring
- water
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- 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
- C09K2208/08—Fiber-containing well treatment fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses wet mixing fibers for well cementation and a preparation method thereof, wherein the wet mixing fibers contain acidic water, fibers, a dispersing agent, a complexing agent, water-soluble alcohol, an emulsifying agent, a defoaming agent and a surface treating agent.
Description
Technical Field
The invention relates to the field of petroleum well cementation, in particular to wet mixing fibers for well cementation of oil and gas wells and a preparation method thereof.
Background
As a toughening agent, the fiber is widely applied to oil and gas well cementing engineering, cement slurry is solidified to form well cementing cement stones after well cementing operation, the cement stones are required to carry out effective interlayer packing on a stratum and provide protection and support for a casing, which is important for subsequent drilling and oil and gas exploitation.
At present, the fiber is mainly added into oil well cement in a dry mixing mode, and because the fiber is light in weight, the fiber is not easy to mix in a solid phase mixing process, sometimes the fiber is added in a manual spreading mode on a cement truck, time and labor are wasted, and the labor productivity is low, wet mixing fibers for well cementation are practically needed to meet the requirements of production and construction on a well cementation site.
Chinese patent CN201510922895( coconut carbon fiber tougheners for improving mechanical properties of well cementation set cements) discloses coconut carbon fiber tougheners for improving mechanical properties of well cementation set cements, which keeps the original properties of coconut carbon fibers, can be well combined with cement materials, changes the brittle structure of the set cements to a certain extent at and can improve the mechanical properties of the well cementation set cements.
Chinese patent CN201310112952 (fibre flushing spacer fluid for oil field well cementation) relates to fibre flushing spacer fluids for oil field well cementation, which has the advantages of high flushing efficiency, strong adaptability and the like, is suitable for different construction environment well cementation requirements, is beneficial to well cementation construction operation, and has simple preparation process, stable product performance and high flushing efficiency.
The research and application of the leakage-proof toughening performance of a polypropylene fiber cement slurry system (natural gas industry, 2008/01) aims at the well cementation of a leakage stratum, polypropylene fibers are added into cement slurry to improve the leakage-proof performance of the cement slurry and increase the toughness of set cement.
The basalt fiber recycled concrete is added into recycled concrete, and the quality loss rate of the recycled concrete after high temperature can be reduced by adding the basalt fiber.
The above-mentioned literature techniques cannot achieve wet mixing of fibers, and cannot perform wet mixing in well cementing construction.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides kinds of wet mixing fibers for well cementation, which can be used for the configuration of well cementation cement slurry of an oil-gas well, solve the problem that the dry mixing of the fibers is difficult to mix uniformly in the process of well cementation and cement preparation, avoid the labor process of manual scattering in the well cementation construction, and improve the labor productivity.
which is the object of the invention is to provide wet mixing fibers for well cementation, which are prepared from the following raw materials in parts by weight:
wherein the acidic water is water, acid is added into the acidic water, and the pH value is adjusted to 4-6.
The viscosity of the wet mixed fiber aqueous suspension is less than 0.15 Pa-s.
The fibers are selected from fibers commonly used in the art, and are preferably at least selected from carbon fibers, polypropylene fibers and polyester fibers.
The dispersant is selected from at least dispersants commonly used in the art, preferably selected from ammonium polyether sulfate, gelatin graft sulfonated polycondensate, sulfonated acetone-formaldehyde polycondensate, and sulfonated aldehyde ketone polycondensate.
The complexing agent is selected from complexing agents commonly used in the art, preferably at least selected from ethylenediaminetetraacetic acid (EDTA), ethylenediaminetetraacetate (e.g. disodium or trisodium EDTA), Ethylenediaminetetramethylenephosphate (EDTMPS), Diethylenetriaminepentamethylenephosphonate (DETPMPS), and aminomethylene phosphate.
The water-soluble alcohol is selected from water-soluble alcohols commonly used in the field, preferably at least of methanol, ethylene glycol, propanol, ethanol, diethylene glycol, glycerol and propylene glycol.
The emulsifier is selected from conventional emulsifiers in the field, preferably oil-in-water type surfactants, and is at least selected from polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, sodium dodecyl sulfate, fatty acid polyoxyethylene ether, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, polyoxyethylene monostearate, sodium oleate, polyoxyethylene cetyl alcohol, polyoxyethylene monolaurate, polyoxyethylene lauryl ether, polyoxyethylene oleyl ether, and condensation product (OP series) of alkylphenol and ethylene oxide.
The defoaming agent is selected from defoaming agents commonly used in the field, and at least of dimethyl silicone oil, tributyl phosphate and polyoxyethylene oxypropylene glycerin are preferred.
The surface-treating agent is selected from kinds of surface-treating agents commonly used in the art, preferably 3-aminopropyltriethoxysilane, glycidoxypropyltrimethoxysilane, methacryloxypropyltrimethoxysilane, 3, 4-epoxycyclohexylethyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinylmethyldimethylsilane, methyltrimethoxysilane, methyltriethoxysilane, octyltriethoxysilane, isocyanatopropyltriethoxysilane, ureidopropyltrimethoxysilane, ureidopropyltriethoxysilane, vinyltris (2-methoxyethoxy) silane, aminopropyltrimethoxysilane, 2-aminoethylaminopropyltrimethoxysilane, divinyltriaminopropyltrimethoxysilane, aminoethylaminopropyltriethoxysilane, aminoethylaminopropylmethyldimethoxysilane.
The acid is preferably at least of hydrochloric acid, sulfuric acid, citric acid and nitric acid.
The invention also provides a preparation method of the wet mixing fibers for well cementation, which comprises the steps of adding acid into water to adjust the pH value to 4-6 to obtain acidic water, and sequentially adding a dispersing agent, fibers, a complexing agent, water-soluble alcohol, an emulsifying agent, a defoaming agent and a surface treating agent while stirring to obtain the wet mixing fibers.
Preferably, the preparation method comprises the following steps:
and a, adding acid into distilled water to adjust the pH of the water to be 4-6.
b, adding a dispersing agent into the aqueous solution a;
c, fully mixing and dispersing the aqueous solution b and the fibers in a dispersion mixer;
d, adding a complexing agent into the mixture c, and uniformly stirring;
e adding water soluble alcohol into the mixture c;
f, adding an emulsifier into the mixture e, so that the emulsifier is dissolved in water firstly;
g, adding a defoaming agent into the mixture f to inhibit the foaming of the emulsifier, and uniformly stirring;
h adding the surface treating agent to the mixture f and stirring thoroughly.
The invention can greatly improve the toughness of the oil well cement, in addition, the product has lower cost and simple manufacturing process, can be widely applied to oil well cementing engineering by , and has greater economic value and pushing value.
The application method of the wet mixed fiber for well cementation comprises the following steps: by mixing the wet-mix fibre aqueous suspension with other additives to oil well cement, such as: the fluid loss additive, the dispersant, the retarder and the like are directly added into the prepared precipitation of the oil well cement. Wherein the addition amount of the wet mixed fiber aqueous suspension is 1-20%.
Compared with the prior art, the invention has the beneficial effects that:
(1) the wet-mixed fiber aqueous suspension prepared by the method has high fiber solid content;
(2) the viscosity of the wet mixed fiber aqueous suspension prepared by the method is less than 0.15 Pa.s;
(3) the content of the fiber can be determined according to the solid content requirement of the final product, and the content of the fiber in the final product can reach 10-60 wt.%.
The product of the invention has lower cost and simple manufacturing process, can be used in well cementing engineering, and has higher economic and pushing value.
The product of the invention realizes wet mixing of fibers, can improve the leakage-proof performance of cement paste, increases the toughness of cement paste, is beneficial to well cementation construction operation, and has simple preparation process and stable product performance.
Detailed Description
Example 1
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 5g of polyether ammonium sulfate and 20g of polypropylene fibers, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 5g of ethylene diamine tetraacetic acid disodium salt, stirring for 5min in the stirring dispersion machine at the rotating speed of 1400r/min, adding 20g of ethylene glycol, adding 10g of polyoxyethylene sorbitan fatty acid ester, adding 5g of dimethyl silicone oil, stirring for 5min in the stirring dispersion machine at the rotating speed of 1400r/min, adding 40g of methacryloxypropyl trimethoxy silane, and stirring for 20min in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension.
Example 2
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 10g of polyether ammonium sulfate and 40g of carbon fiber, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 10g of ethylene diamine tetraacetic acid disodium salt, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 40g of ethylene glycol, adding 20g of polyoxyethylene sorbitan fatty acid ester, adding 10g of dimethyl silicone oil, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 50g of methacryloxypropyl trimethoxysilane, and stirring for 20 minutes in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension.
Example 3
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 2.5g of ammonium polyether sulfate and 5g of polyester fiber, stirring and dispersing for 2 hours at the rotating speed of 1400r/min in a stirring dispersion machine, adding 2.5g of disodium ethylene diamine tetraacetate, stirring for 5 minutes at the rotating speed of 1400r/min in the stirring dispersion machine, adding 12.5g of ethylene glycol, adding 5g of polyoxyethylene sorbitan fatty acid ester, adding 2.5g of dimethyl silicone oil, stirring for 5 minutes at the rotating speed of 1400r/min in the stirring dispersion machine, adding 20g of methacryloxypropyl trimethoxy silane, and stirring for 20 minutes at the rotating speed of 1400r/min in the stirring dispersion machine to obtain the fiber aqueous suspension.
Example 4
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 2.5g of ammonium polyether sulfate and 10g of carbon fiber, stirring and dispersing for 2 hours at the rotating speed of 1400r/min in a stirring dispersion machine, adding 2.5g of disodium ethylene diamine tetraacetate, stirring for 5 minutes at the rotating speed of 1400r/min in the stirring dispersion machine, adding 12.5g of ethylene glycol, adding 5g of polyoxyethylene sorbitan fatty acid ester, adding 2.5g of dimethyl silicone oil, stirring for 5 minutes at the rotating speed of 1400r/min in the stirring dispersion machine, adding 20g of methacryloxypropyl trimethoxy silane, and stirring for 20 minutes at the rotating speed of 1400r/min in the stirring dispersion machine to obtain the fiber aqueous suspension.
Example 5
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 20g of polyether ammonium sulfate and 70g of carbon fiber, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 20g of ethylene diamine tetraacetic acid disodium salt, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 80g of ethylene glycol, adding 50g of polyoxyethylene sorbitan fatty acid ester, adding 20g of dimethyl silicone oil, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 80g of methacryloxypropyl trimethoxy silane, and stirring for 20 minutes in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension.
Example 6
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 30g of polyether ammonium sulfate and 90g of carbon fiber, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 30g of ethylene diamine tetraacetic acid disodium salt, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 100g of ethylene glycol, adding 80g of polyoxyethylene sorbitan fatty acid ester, adding 30g of dimethyl silicone oil, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 110g of methacryloxypropyl trimethoxysilane, and stirring for 20 minutes in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension.
Comparative example 1
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 30g of polyether ammonium sulfate and 110g of carbon fiber, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 30g of ethylene diamine tetraacetic acid disodium salt, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 100g of ethylene glycol, adding 80g of polyoxyethylene sorbitan fatty acid ester, adding 30g of dimethyl silicone oil, stirring for 5 minutes in the stirring dispersion machine at the rotating speed of 1400r/min, adding 110g of methacryloxypropyl trimethoxysilane, and stirring for 20 minutes in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension. The finished product fiber has high addition and is not easy to disperse.
Comparative example 2
Adding hydrochloric acid into 100g of distilled water to enable the pH value of the solution to be 4.0, adding 30g of polyether ammonium sulfate and 120g of polyester fibers, stirring and dispersing for 2 hours in a stirring dispersion machine at the rotating speed of 1400r/min, adding 30g of ethylene diamine tetraacetic acid disodium salt, stirring for 5min in the stirring dispersion machine at the rotating speed of 1400r/min, adding 100g of ethylene glycol, adding 80g of polyoxyethylene sorbitan fatty acid ester, adding 30g of dimethyl silicone oil, stirring for 5min in the stirring dispersion machine at the rotating speed of 1400r/min, adding 110g of methacryloxypropyl trimethoxy silane, and stirring for 20min in the stirring dispersion machine at the rotating speed of 1400r/min to obtain the fiber aqueous suspension. The finished product fiber has high addition and is not easy to disperse.
Example 7
The cement slurry system prepared by adding the fiber aqueous suspension prepared in the embodiment 4 of the invention is G-grade oil well cement. The cement slurry formulation is shown in table 1.
TABLE 1 Cement paste formulations
Note: all raw materials in the above examples and comparative examples were manufactured by continental shelf, texas.
DZJ-Y is AMPS polymer cementing and fluid loss agent; DZX is a silicone oil type well cementation defoamer; DZS is a sulfonated ketoaldehyde condensation well cementation dispersant. The products are all produced by Texas continental shelf company.
The addition of the fiber aqueous suspension prepared by the invention has the characteristic of improving the toughness of the set cement under the condition of not influencing the strength of the set cement. The specific test results are shown in table 2.
TABLE 2 set of Cement Strength test results
The strength of the set cement was tested according to the GBT19139-2003 oil well cement test method.
As can be seen from the above, the comprehensive performance of the cement paste system added with the fiber aqueous suspension prepared by the invention is greatly improved.
In summary, the above is only a part of the examples of the present invention and is not limited to the protection scope of the present invention, therefore, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present invention are within the protection scope of the present invention.
Claims (10)
1, kinds of wet mixing fiber for well cementation, characterized in that the wet mixing fiber is prepared from raw materials comprising the following components by weight:
wherein the acidic water is water, acid is added into the water, and the pH value is adjusted to be 4-6.
2. The wet mixing fiber for well cementation according to claim 1, characterized in that the wet mixing fiber is prepared from raw materials comprising the following components in parts by weight:
3. the wet mix fiber for well cementation according to claim 1, characterized in that:
the viscosity of the wet mixed fiber aqueous suspension is less than 0.15 Pa-s.
4. The wet mix fiber for well cementation according to claim 1, characterized in that:
the fiber is at least selected from carbon fiber, polypropylene fiber and polyester fiber.
5. The wet mix fiber for well cementation according to claim 1, characterized in that:
the dispersing agent is at least selected from polyether ammonium sulfate, gelatin graft sulfonated polycondensate, sulfonated acetone-formaldehyde polycondensate, and sulfonated aldehyde ketone polycondensate.
6. The wet mix fiber for well cementation according to claim 1, characterized in that:
the complexing agent is at least selected from ethylenediamine tetraacetic acid, ethylenediamine tetraacetate, ethylenediamine tetramethylene phosphate, diethylenetriamine pentamethylene phosphonate and amine trimethylene phosphate.
7. The wet mix fiber for well cementation according to claim 1, characterized in that:
the water-soluble alcohol is at least selected from methanol, ethylene glycol, propanol, ethanol, diethylene glycol, glycerol, and propylene glycol.
8. The wet mix fiber for well cementation according to claim 1, characterized in that:
the defoaming agent is at least selected from dimethyl silicone oil, tributyl phosphate and polyoxyethylene oxypropylene glycerin.
9. The wet mix fiber for well cementation according to claim 1, characterized in that:
the surface treating agent is at least selected from 3-aminopropyltriethoxysilane, glycidoxypropyltrimethoxysilane, methacryloxypropyltrimethoxysilane, 3, 4-epoxycyclohexylethyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinylmethyldimethylsilane, methyltrimethoxysilane, methyltriethoxysilane, octyltriethoxysilane, isocyanatopropyltriethoxysilane, ureidopropyltrimethoxysilane, ureidopropyltriethoxysilane, vinyltris (2-methoxyethoxy) silane, aminopropyltrimethoxysilane, 2-aminoethylaminopropyltrimethoxysilane, diethylenetriaminopropyltrimethoxysilane, aminoethylaminopropyltriethoxysilane, and aminoethylaminopropylmethyldimethoxysilane.
10, A method for preparing the wet mixing fiber for well cementation according to any of claims 1 to 9, characterized by comprising the steps of:
adding acid into water to adjust the pH value to 4-6 to obtain acidic water, and sequentially adding a dispersing agent, fibers, a complexing agent, water-soluble alcohol, an emulsifier, a defoaming agent and a surface treating agent while stirring to obtain the wet-mixed fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799871.2A CN110734753A (en) | 2018-07-20 | 2018-07-20 | wet mixing fiber for well cementation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799871.2A CN110734753A (en) | 2018-07-20 | 2018-07-20 | wet mixing fiber for well cementation and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110734753A true CN110734753A (en) | 2020-01-31 |
Family
ID=69235631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810799871.2A Pending CN110734753A (en) | 2018-07-20 | 2018-07-20 | wet mixing fiber for well cementation and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110734753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525119A (en) * | 2022-02-21 | 2022-05-24 | 中国石油化工集团有限公司 | Preparation method of inorganic fiber toughening agent for oil-gas well cementing cement slurry |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481606A (en) * | 2005-09-28 | 2009-07-15 | 南京工业大学 | Oil well cement leakage-proof toughening agent |
| CN103740346A (en) * | 2013-12-31 | 2014-04-23 | 东营泰尔石油技术有限公司 | Plugging flexibilizer |
| CN105086987A (en) * | 2015-08-31 | 2015-11-25 | 中国石油天然气股份有限公司 | Fiber surface treating agent, preparation method and use method thereof, and fiber for fracturing fluid |
| AU2014413660A1 (en) * | 2014-12-10 | 2017-03-30 | Halliburton Energy Services, Inc. | Curable composition and resin for treatment of a subterranean formation |
| CN106675537A (en) * | 2016-12-01 | 2017-05-17 | 中国石油天然气集团公司 | Fiber flexibilizer for well cementing slurry and preparation method of fiber flexibilizer |
| CN107287673A (en) * | 2016-04-12 | 2017-10-24 | 中国石油化工集团公司 | A kind of soluble thick denier PVA fibers and application thereof |
-
2018
- 2018-07-20 CN CN201810799871.2A patent/CN110734753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481606A (en) * | 2005-09-28 | 2009-07-15 | 南京工业大学 | Oil well cement leakage-proof toughening agent |
| CN103740346A (en) * | 2013-12-31 | 2014-04-23 | 东营泰尔石油技术有限公司 | Plugging flexibilizer |
| AU2014413660A1 (en) * | 2014-12-10 | 2017-03-30 | Halliburton Energy Services, Inc. | Curable composition and resin for treatment of a subterranean formation |
| CN105086987A (en) * | 2015-08-31 | 2015-11-25 | 中国石油天然气股份有限公司 | Fiber surface treating agent, preparation method and use method thereof, and fiber for fracturing fluid |
| CN107287673A (en) * | 2016-04-12 | 2017-10-24 | 中国石油化工集团公司 | A kind of soluble thick denier PVA fibers and application thereof |
| CN106675537A (en) * | 2016-12-01 | 2017-05-17 | 中国石油天然气集团公司 | Fiber flexibilizer for well cementing slurry and preparation method of fiber flexibilizer |
Non-Patent Citations (5)
| Title |
|---|
| 付美龙等主编: "《油田应用化学》", 31 December 2005, 武汉大学出版社 * |
| 朱光亚等主编: "《中国科学技术文库》", 31 January 1998, 科学技术文献出版社 * |
| 步玉环等: "油气固井纤维的筛选研究", 《石油钻探技术》 * |
| 油井水泥及外加剂质量检验编写组主编: "《油井水泥及外加剂质量检验》", 30 April 1997, 石油工业出版社 * |
| 钻井手册（甲方）编写组主编: "《钻井手册》", 30 June 1990, 石油工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525119A (en) * | 2022-02-21 | 2022-05-24 | 中国石油化工集团有限公司 | Preparation method of inorganic fiber toughening agent for oil-gas well cementing cement slurry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106986584B (en) | Low-temperature high-strength and high-toughness cement slurry as well as preparation method and application thereof | |
| CN110467910B (en) | Oil displacement agent composition, preparation method thereof and viscosity-reducing huff and puff mining method of thick oil | |
| CN103666419B (en) | A kind of oil well cement composite organic defoamer | |
| CN102249591A (en) | Composite polycarboxylic acid water reducing agent | |
| CN106554766B (en) | Anti-channeling lotion, well cementation leakage-proof mud and preparation method thereof | |
| CN104291733B (en) | Toughness reinforcing anti-migration agent and the toughness reinforcing cement of shale gas horizontal cementing for cement | |
| CN105567192A (en) | Nanometer silica emulsion for well cementation, and preparation method and application thereof | |
| CN108249845A (en) | A kind of Organic-inorganic composite early strength agent and the self-compacting concrete prepared using the early strength agent | |
| CN114716992B (en) | Salt-resistant temperature-resistant thick oil emulsifying viscosity reducer and preparation method thereof | |
| CN109437711A (en) | A kind of carbon nanotube thixotropy cementing slurry and preparation method thereof | |
| CN109608087A (en) | A kind of Sand-free permeable concrete and preparation method thereof | |
| CN109439310A (en) | high-temperature guanidine gum fracturing fluid and preparation method thereof | |
| CN113955979B (en) | Non-dispersible high-temperature-resistant cement-based consolidation material in underground water environment and preparation method thereof | |
| KR100690251B1 (en) | Method of manufacturing emulsified release agent | |
| CN102001847B (en) | Paste quick-setting grouting material and preparation method thereof | |
| CN109824302A (en) | A kind of water blockoff composition, water shutoff agent and preparation method thereof | |
| CN102732241B (en) | Easily degradable alkali-free viscosity reducer for thick oil and preparation method thereof | |
| CN110734753A (en) | wet mixing fiber for well cementation and preparation method thereof | |
| CN113881411B (en) | Biological fermentation nano-enzyme regulating and plugging oil displacement agent and preparation method thereof | |
| CN106318356A (en) | Water plugging emulsion and preparation method thereof | |
| CN103708765B (en) | A kind of polycarboxylic acid series pumping agent conditioning agent | |
| CN104804716A (en) | Well-cementing and anti-channeling nonionic styrene-butadiene latex and preparation method thereof | |
| CN116081976A (en) | High-performance concrete anti-corrosion reinforcing agent, preparation method and application | |
| CN114381248B (en) | Modified titanium dioxide nano plugging agent and water-based drilling fluid | |
| CN114605975A (en) | Interface enhanced pad fluid for oil field well cementation and preparation method and application thereof |
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: 20200131 |
|
| RJ01 | Rejection of invention patent application after publication |