WO2005007773A1 - 掘削泥水用添加剤及びそれを用いた掘削泥水 - Google Patents
掘削泥水用添加剤及びそれを用いた掘削泥水 Download PDFInfo
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- WO2005007773A1 WO2005007773A1 PCT/JP2004/010431 JP2004010431W WO2005007773A1 WO 2005007773 A1 WO2005007773 A1 WO 2005007773A1 JP 2004010431 W JP2004010431 W JP 2004010431W WO 2005007773 A1 WO2005007773 A1 WO 2005007773A1
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- molecular weight
- water
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- additive
- drilling mud
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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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
Definitions
- the present invention relates to a drilling mud additive and a drilling mud used for excavation of underground continuous walls, foundation piles and the like in civil engineering construction. More specifically, it is characterized by comprising a specific high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer.
- the present invention relates to an additive for drilling mud which has stability against muddy water, and has excellent pressure drainage resistance and coagulation and sedimentation resistance, and a drilling muddy water containing the additive.
- Drilling mud When excavating in civil engineering construction work, excavated mud is used to transport the sediment generated during excavation while suppressing the penetration of water into the walls and preventing the collapse of the walls.
- Drilling mud is usually based on mineral mud and water, such as bentonite, agar paljait, and selenium 1, etc. It is designed and prepared in a muddy water condition (viscosity, specific gravity, drainage amount, etc.) suitable for water.
- Cellulose such as carboxymethylcellulose
- carboxymethylcellulose is widely used (or as a modifier).
- cellulose has the disadvantage that it deteriorates with time because the prepared drilling mud deteriorates over time. I have.
- polymers such as polyacrylic acid (salt) having a low degree of polymerization (low molecular weight) which does not cause spoilage, and combinations of these polymers with other components are disclosed.
- polyacrylic acid (salt) has poor mud wall formation properties compared to celluloses, resulting in a large amount of drainage, and insufficient salt resistance.
- water or seawater with a high hardness component is used as the service water, or when a large amount of groundwater or seawater flows into the mud at the underground excavation part, the viscosity of the mud becomes extremely impaired and gelation occurs, making excavation difficult. May be.
- a low molecular weight copolymer of an unsaturated carboxylic acid monomer such as acrylic acid (salt) and another monomer containing a sulfonic acid group as an additive for drilling mud.
- an unsaturated carboxylic acid monomer such as acrylic acid (salt)
- another monomer containing a sulfonic acid group as an additive for drilling mud.
- the present inventors have conducted various studies in order to solve the above-mentioned problems, and as a result, have found that the specific amount of high molecular weight which has reduced the amount of drainage in drilling muddy water, improved the coagulation sedimentation property, and has excellent muddy water stability It has been found that a drilling fluid additive composed of a low-molecular-weight water-soluble copolymer and a low-molecular-weight water-soluble copolymer solves the above-mentioned problems, and has completed the present invention.
- the present invention provides 2-acrylamido-2-methylpropanesulfonic acid and Z or a salt thereof, and acrylic acid and Z or a salt thereof as essential monomer components.
- a drilling mud additive characterized by comprising a high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer, and drilling comprising the drilling mud additive and bentonite as essential components. It is about muddy water.
- the additive for drilling mud of the present invention is obtained by polymerizing 2-acrylamido-2-methylpropanesulfonic acid and / or a salt thereof and a monomer mixture containing acrylic acid and Z or a salt thereof as an essential monomer component.
- a high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer are examples of a high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer.
- the amount of 2-acrylamide 2-methylpropanesulfonic acid and Z or salt used is 2 to 60 mol% based on the total moles of all monomers. It is preferably, particularly preferably 5 to 30 mol%. If it is less than 2 mol%, the solubility and viscosity of the polymer in muddy water are not sufficient, and if it exceeds 60 mol%, the solubility of the polymer in muddy water increases, but inorganic mud coagulates and precipitates to obtain stable muddy water. May not be possible.
- the amount of acrylic acid and Z or a salt thereof used in the high molecular weight water-soluble copolymer is preferably 40 to 98 mol%, based on the total moles of all monomers, and is particularly preferably 70 to 90 mol%. ⁇ 95 mol% is preferred. If the amount is less than 40 mol%, the stability of the mud is not sufficient. If the amount exceeds 98 mol%, the solubility of the polymer in the mud is deteriorated and the viscosity is reduced.
- the amount of 2-acrylamide 2-methylpropanesulfonic acid and / or its salt is preferably 1 to 40 mol% based on the total mol number of all monomers. Particularly, 3 to 30 mol% is preferable. If it is less than 1 mol%, the solubility and dispersibility of the polymer in muddy water are not sufficient. If it exceeds 40 mol%, the solubility of the polymer in muddy water is increased but dispersibility is poor. May be enough.
- the amount of acrylic acid and Z or a salt thereof used in the low molecular weight water-soluble copolymer is preferably from 60 to 99 mol% based on the total number of moles of all monomers, and more preferably from 70 to 99 mol%. ⁇ 97 mol% is preferred. If it is less than 60 mol%, the dispersibility is not sufficient, and if it exceeds 99 mol%, the solubility of the polymer in muddy water is deteriorated or the dispersibility is reduced.
- Examples of the salts of 2-acrylamide 2-methylpropanesulfonic acid and acrylic acid include, for example, sodium metal salts such as sodium and potassium salts, ammonium salts, and organic amines such as triethylamine and triethanolamine. And the like.
- copolymerizable monomers may be used in addition to the above essential components, as long as the performance of each and the water solubility of the obtained copolymer are not significantly impaired. it can.
- the copolymerizable monomers include hydrophilic monomers such as anionic monomers and nonionic monomers and other monomers, and specific examples thereof include the following. .
- Styrene acrylonitrile, vinyl acetate, alkyl acrylate, alkyl methacrylate, vinyl pyridine, vinyl imidazole and arylamine.
- the above-mentioned water-soluble copolymer is synthesized by various known methods such as gel polymerization, aqueous solution polymerization and reversed-phase suspension polymerization, which are used in ordinary polymer synthesis methods.
- the gel polymerization method is preferable because the polymer can be easily made to have a high molecular weight and the polymerization operation and the adjustment of the molecular weight are easy.
- an aqueous solution polymerization method is preferred because the polymerization operation and the control of the molecular weight are easy.
- the polymerization operation may be a batch type or a continuous type.
- a continuous belt polymerization method in which an aqueous monomer solution is continuously polymerized on a movable belt.
- a specific example of a continuous aqueous solution polymerization method is a method of continuously polymerizing an aqueous monomer solution in a multi-stage continuous stirring tank reactor.
- a redox polymerization initiator is preferable, and instead of the redox polymerization initiator, a radical polymerization can be performed by irradiating an active energy ray such as ultraviolet rays to a monomer aqueous solution containing a photopolymerization initiator. .
- polymerization initiator examples include alkali metal persulfates such as sodium persulfate and potassium persulfate; persulfates such as ammonium persulfate; hydrogen peroxide; cumene hydroperoxide; benzoyl peroxide; Organic peroxides such as oxides and benzoyl peroxide, 2,2'-azobis (4-cyanovaleric acid), 2,2'-azobis [2-methyl-N- (2-hydroxyxethyl) -propionamide], Azo compounds such as 2,2'-azobisisobutyronitrile and the like can be mentioned.
- alkali metal persulfates such as sodium persulfate and potassium persulfate
- persulfates such as ammonium persulfate
- hydrogen peroxide cumene hydroperoxide
- benzoyl peroxide Organic peroxides such as oxides and benzoyl peroxide, 2,2'-azobis (4-cyanovaleric acid), 2,2'-
- a redox-forming reducing agent such as a transition metal salt, a bisulfite, L-ascorbic acid (salt), erythorbic acid (salt), or an amine compound is preferably used in combination.
- a low molecular weight water-soluble copolymer may be used together with the above reducing agent.
- the amount of the added initiator is adjusted according to the type of the polymerization initiator used, the composition of the target polymer, the degree of polymerization, the viscosity, etc., but the amount of the high molecular weight water-soluble copolymer In such cases, usually 5 to 100,000 mass ppm is used, based on the total amount of all monomers. It is preferably from 10 to 5,000 mass ppm, more preferably from 15 to 3,000 mass ppm. On the other hand, in the case of a low molecular weight water-soluble copolymer, usually 100 to 100,000 mass ppm is used. Preferably 300,000 mass ppm, more preferably 1,000 to 30,000 mass ppm.
- the chain transfer agent is not particularly limited, as long as it is a substance that undergoes a chain transfer from a polymer radical at the time of polymerization of the above-mentioned monomer.
- mercapto compounds such as 21-mercaptoethanol; metal sulfites such as sulfurous acid and sodium sulfite; or acid salts thereof; and hypophosphorous acid and sodium hypophosphite such as sodium hypophosphite.
- Metal salts and the like may be removed by a reduced pressure treatment, followed by water replacement.
- the amount of the chain transfer agent to be added is adjusted according to the type of the chain transfer agent to be used, the composition of the intended polymer, the degree of polymerization, the viscosity, and the like.
- a copolymer usually 0.1 to 30% by mass is used based on the total amount of all monomers. Preferably it is 0.3 to 20% by mass, more preferably 1 to 10% by mass.
- the gel polymerization method used in the synthesis of a high molecular weight copolymer is a polymerization method employed in a method for producing a polymer for an organic flocculant in order to obtain an extremely high molecular weight water-soluble polymer.
- the resulting polymer is obtained as a gel.
- the technical characteristics of the gel polymerization method are that the concentration of the aqueous solution of the monomer is about 20 to 50% by mass, and the amount of the polymerization initiator used is very small, that is, 1, OOO ppm or less. It is to make it below.
- reaction solution When polymerization is started under these conditions at an initial reaction solution temperature of 5 to 10 ° C, the reaction solution is converted into a high-viscosity gel, and it is no longer possible to perform stirring and heat removal during the reaction. However, by leaving it in that state for a certain period of time, the polymerization is usually completed after a maximum temperature of 80 to 100 ° C. has passed, and the desired high molecular weight water-soluble polymer is obtained.
- the preferred polymerization initiation temperature in the polymerization reaction by the gel polymerization method is 0 to 30 ° C., more preferably 5 to 20 ° C., and the preferred polymerization attainment temperature is 70 to 105 ° (:, more preferably 8 to 50 ° C.).
- the monomer concentration may be adjusted so as to fall within the range of the polymerization initiation temperature and the polymerization attainment temperature, and the preferable polymerization time is about 30 minutes to 6 hours. .
- the present invention uses both a high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer, but the high molecular weight water-soluble copolymer is widely used as a thickener or a flocculant.
- the weight-average molecular weight is a water-soluble copolymer having a high molecular weight of 500,000 to 200,000, more preferably a weight-average molecular weight of 100,000 to It is a water soluble copolymer with a molecular weight of 1,000,000.
- the low molecular weight water-soluble copolymer is widely used as a dispersant, a detergent builder, a chelating agent, etc., and preferably has a weight average molecular weight of 1,000 to 1,000 in the present invention. It is a low molecular weight water-soluble copolymer having a molecular weight of 100,000, and more preferably a low molecular weight water-soluble copolymer having a weight average molecular weight of 20,000 to 50,000. In the combined use of a high molecular weight water-soluble copolymer and a low molecular weight water-soluble copolymer, it is also possible to use each of them alone or in combination of two or more.
- the molecular weight of the polymer is a weight-average molecular weight determined by aqueous gel permeation chromatography (hereinafter abbreviated as GPC) using polyethylene oxide as a reference substance.
- GPC aqueous gel permeation chromatography
- the proportion of the high-molecular weight water-soluble copolymer and the low-molecular weight water-soluble copolymer used as the drilling mud additive of the present invention is usually determined under the mixing conditions of mud containing inorganic mud etc.
- the viscosity is adjusted to be muddy. However, no compound
- the viscosity of the mud varies greatly depending on the type and proportion of the mechanical mud, the presence or absence of the cement, and the proportion of the cement.
- the solid content of each polymer is preferably 0.1 to 30 g for a high molecular weight water-soluble polymer, and 0.1 to 100 g for a low molecular weight water-soluble polymer.
- the viscosity may be insufficient to adjust the viscosity to a desired value. If the amount exceeds 30 g, the viscosity increases, but the inorganic sludge coagulates and precipitates. Stable muddy water may not be obtained. On the other hand, if the amount of the low-molecular weight water-soluble polymer is less than 0.1 g, the dispersibility is insufficient, and the inorganic mud is coagulated and settled, and stable muddy water may not be obtained. However, there is no corresponding effect and it is economically wasteful.
- the drilling mud in the present invention is a well-known in the art, in which inorganic mud is dispersed in water, and the excavating mud additive comprising the water-soluble copolymer is used as the inorganic mud and water.
- the excavating mud additive comprising the water-soluble copolymer
- drilling mud can be obtained.
- the inorganic mud include bentonite, agar pulgite, serinite, and hydrated magnesium carbonate. Bentonite is preferred from the viewpoint of the effect.
- muddy water containing a large amount of cement used in the soil cement method may be used.
- the mixing ratio of the inorganic mud in the drilling mud of the present invention is preferably 5 to 300 g, more preferably 10 to 20 g, based on 1 kg of water used for the drilling mud. 0 g.
- the pH of the drilling mud must be adjusted in the range of 3-14, preferably pH 6-13. If the pH is less than 3, it is necessary to add a large amount of a high-molecular-weight water-soluble polymer to adjust to the muddy water having the desired viscosity, or the use of the muddy water may corrode the equipment, which is preferable. Absent.
- pH adjusters include hydroxides and carbonates of alkali metals such as sodium and potassium, hydroxides of alkaline earth metals such as calcium and magnesium, methylamine, Monoethanolamine, Dimethylamine, Isopropylamine, Dipropylamine, Trimethylamine, Monoethylamine, Trieduramine, Methyleduramine, Monoisopro Alkylamines such as pyramine, phentolamine, methylpropylamine, and diisopropylamine; alkanolamines such as monoethanolamine and isopropanolamine; ammonia; and pyridine. Hydroxides and carbonates are preferred.
- the method of using the drilling mud additive, the adding method and the adding order of the high molecular weight water-soluble copolymer and the low molecular weight water-soluble copolymer are particularly There is no limitation, and it is effective if both water-soluble copolymers are present in the drilling mud when drilling.
- a low-molecular-weight water-soluble polymer is added to a drilling mud mixed with inorganic clay and water, mixed well, and then a high-molecular-weight water-soluble polymer is added and mixed.
- a high molecular weight water-soluble polymer is a powdery polymer
- the powdery high molecular weight water-soluble polymer is premixed with inorganic clay (A)
- the low molecular weight water-soluble polymer is It is preferable to prepare the aqueous phase (B) in which the polymer is dissolved, and mix (A) and (B) when preparing the drilling mud. It is also possible to use other additives such as a drilling mud conditioner and a weighting agent if necessary.
- the high molecular weight water-soluble polymer is added first to the drilling mud mixed with inorganic clay and water, the inorganic clays etc. may be strongly aggregated, and then the low molecular weight water-soluble polymer is added. However, this method is not preferable because re-dispersion may be difficult.
- This monomer aqueous solution was charged into a stainless steel bottle (reaction vessel), and nitrogen bubbling was performed for 30 minutes while controlling the temperature in the reaction vessel to 10 ° C. Then, as polymerization initiators, t-butyl hydroperoxide (30 ppm) (converted to the mass basis based on the total amount of all monomers, the same applies hereinafter), sodium persulfate (200 ppm), and elisorbin Sodium acid (30 ppm) was added, and the mixture was left as it was for 8 hours to perform thermal redox polymerization. After the completion of the reaction for 8 hours, the produced hydrogel polymer was taken out of the reaction vessel, put into a chopper, and cut into pieces. The shredded hydrogel was dried with a hot air drier and further pulverized with a pulverizer to obtain a powdery polymer 1 as a target.
- ATB S—50% by mass aqueous solution of Na 15.0.6 g (corresponding to 10 mol%), AN a 36% by mass aqueous solution 27.5.5 g (equivalent to 30 mol%), AA 1 42.0 g (equivalent to 60 mol%) and 449.9 g of pure water were mixed to prepare 1 kg of a monomer aqueous solution having a monomer concentration of 31% by mass. Otherwise in the same manner as in Example 1, the desired powdery polymer 2 was prepared.
- ATB S 2-acrylamide 2-methylpropanesulfonic acid
- AA equivalent to 92 mol%
- IPA isopropanol
- T-1 40 sodium polyacrylate aqueous solution
- Example 4 the viscosity of the polymer 4 and T-140 obtained in Example 4 was measured at 25.60 rpm using a B-type viscometer (manufactured by Tokyo Keiki Co., Ltd., type: BM type). The mouth was measured at one rotation per night.
- B-type viscometer manufactured by Tokyo Keiki Co., Ltd., type: BM type
- the pH of each of the above polymer aqueous solutions was measured with a pH meter.
- the molecular weights of the polymers 1 to 4 and the comparative polymer 1 and T-40 obtained in Examples 1 to 4 and Comparative Example 1 were sodium sulfate (1.33 gZ1) and sodium hydroxide (0.33) as solutes. It was measured by an aqueous GPC method using an aqueous solution containing gZl). The weight average molecular weight was calculated by preparing a calibration curve using polyethylene oxide as a reference substance. table 1
- the funnel viscosity (500 ml / 500 ml), the B-type viscosity, and the amount of pressurized filtrate of the obtained liquid were measured, and the results are shown in Table 3.
- the amount of pressurized drainage was measured with a filter press according to the API standard (American Petroleum Institute standard) at a pressure of 3 kgZcm 2 for 30 minutes.
- the API standard American Petroleum Institute standard
- the funnel viscosity, the B-type viscosity and the amount of drainage under pressure were measured.
- Excavated mud was prepared in the same manner as in Example 5, except that the type and amount of additive and the formulation of mud were changed as shown in Table 3-1.
- Comparative examples include sodium polyacrylate-based comparative polymer 1 (high-molecular-weight water-soluble polymer), aron T-140 (manufactured by Toagosei Co., Ltd.), carboxymethyl cellulose-based CMC 117, and CMC 1 One added with 190 (manufactured by Daicel Chemical) was used.
- Excavated mud was prepared in the same manner as in Example 5 except that no additive was added. As shown in Table 3-2, better results were obtained with the drilling mud of the example than with the drilling mud of the comparative example.
- Comparative Example 2 in which only a low-molecular-weight water-soluble copolymer (polymer 4) was used as an additive for drilling mud, although coagulation-sedimentation resistance was ensured, there was a slight problem in the amount of drainage.
- Comparative Example 3 in which only a high molecular weight water-soluble copolymer (Polymer 1) was used as an additive for drilling mud, there was a problem that the prepared drilling mud aggregated after 5 days.
- Comparative Examples 4 and 5 using high molecular weight sodium polyacrylate (comparative polymer 1) and low molecular weight sodium polyacrylate (T-140) alone or in combination as additives for drilling muddy water In the case of 5, there was a problem that the prepared drilling mud had a large amount of drainage under pressure and settled and hardened after 5 days.
- drilling fluids containing CMC1170 and CMC1190 which are carboxymethylcellulose-based additives in addition to the drilling fluid additive (Comparative Example 6-: L1), have a strong alkalinity that contains cement.
- the result was that the amount of drainage under pressure was large, and the sedimentation and hardening occurred after 5 days.
- Example 8 Polymer 2 Polymer 4 0.5 10 1000 20 280 Example 9 Polymer 3 Polymer 4 0.5 10 1000 20 280 Comparative Example 2 Polymer 4 10 1000 20 280 Comparative Example 3 Polymer 1 2 1000 20 280 Comparative Example 4 Comparative Polymer 1 2 1000 20 280 Comparative Example 5 Comparative Polymer 1 0.5 10 1000 20 280 Comparative Example 6 CMC1170 10 1000 20 280 Comparative Example 7 CMC1170 3 1000 20 280 Comparative Example 8 C C1170 3 1000 20
- the drilling mud containing the drilling mud additive used in each of the examples has an excellent thickening effect even on a liquid showing strong alkalinity, and has excellent pressure drainage resistance and coagulation sedimentation resistance. Excellent results. ⁇ Industrial applicability>
- the excavated mud has excellent coagulation-sedimentation resistance and pressurized drainage resistance. It can form walls and is of great industrial value in the wide civil engineering and construction industry.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005511903A JP4277124B2 (ja) | 2003-07-18 | 2004-07-15 | 掘削泥水用添加剤及びそれを用いた掘削泥水 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-198972 | 2003-07-18 | ||
| JP2003198972 | 2003-07-18 |
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| Publication Number | Publication Date |
|---|---|
| WO2005007773A1 true WO2005007773A1 (ja) | 2005-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2004/010431 Ceased WO2005007773A1 (ja) | 2003-07-18 | 2004-07-15 | 掘削泥水用添加剤及びそれを用いた掘削泥水 |
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| JP (1) | JP4277124B2 (ja) |
| WO (1) | WO2005007773A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270169A (ja) * | 2009-05-19 | 2010-12-02 | Toagosei Co Ltd | 掘削泥水用添加剤及びその製造方法並びにそれを用いた掘削泥水 |
| CN103755869A (zh) * | 2014-01-03 | 2014-04-30 | 克拉玛依市金鑫科技有限公司 | Am/aak/amps三元共聚物和聚合物乳液强包被剂及其制备方法 |
| WO2020115790A1 (ja) * | 2018-12-03 | 2020-06-11 | 竹本油脂株式会社 | 水硬性組成物用添加剤及び水硬性組成物 |
| CN113402682A (zh) * | 2021-06-24 | 2021-09-17 | 华中科技大学 | 一种聚合物网络改性膨润土及其原位聚合制备方法 |
| CN113825553A (zh) * | 2019-05-15 | 2021-12-21 | Spcm股份公司 | 过滤2-丙烯酰胺基-2-甲基丙磺酸的新方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884883A (ja) * | 1981-11-16 | 1983-05-21 | Dai Ichi Kogyo Seiyaku Co Ltd | 泥水組成物 |
| JPS60104149A (ja) * | 1983-11-11 | 1985-06-08 | Kanegafuchi Chem Ind Co Ltd | 塩化ビニル系樹脂組成物 |
| JP2001146586A (ja) * | 1999-11-19 | 2001-05-29 | Toagosei Co Ltd | 掘削泥水用添加剤および掘削用泥水の調製方法 |
| JP2003082339A (ja) * | 2001-09-13 | 2003-03-19 | Nippon Shokubai Co Ltd | 加泥剤 |
-
2004
- 2004-07-15 JP JP2005511903A patent/JP4277124B2/ja not_active Expired - Lifetime
- 2004-07-15 WO PCT/JP2004/010431 patent/WO2005007773A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884883A (ja) * | 1981-11-16 | 1983-05-21 | Dai Ichi Kogyo Seiyaku Co Ltd | 泥水組成物 |
| JPS60104149A (ja) * | 1983-11-11 | 1985-06-08 | Kanegafuchi Chem Ind Co Ltd | 塩化ビニル系樹脂組成物 |
| JP2001146586A (ja) * | 1999-11-19 | 2001-05-29 | Toagosei Co Ltd | 掘削泥水用添加剤および掘削用泥水の調製方法 |
| JP2003082339A (ja) * | 2001-09-13 | 2003-03-19 | Nippon Shokubai Co Ltd | 加泥剤 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270169A (ja) * | 2009-05-19 | 2010-12-02 | Toagosei Co Ltd | 掘削泥水用添加剤及びその製造方法並びにそれを用いた掘削泥水 |
| CN103755869A (zh) * | 2014-01-03 | 2014-04-30 | 克拉玛依市金鑫科技有限公司 | Am/aak/amps三元共聚物和聚合物乳液强包被剂及其制备方法 |
| CN103755869B (zh) * | 2014-01-03 | 2016-04-06 | 克拉玛依市金鑫科技有限公司 | Am/aak/amps三元共聚物和聚合物乳液强包被剂及其制备方法 |
| WO2020115790A1 (ja) * | 2018-12-03 | 2020-06-11 | 竹本油脂株式会社 | 水硬性組成物用添加剤及び水硬性組成物 |
| CN113165976A (zh) * | 2018-12-03 | 2021-07-23 | 竹本油脂株式会社 | 水硬性组合物用添加剂及水硬性组合物 |
| JPWO2020115790A1 (ja) * | 2018-12-03 | 2021-09-27 | 竹本油脂株式会社 | 水硬性組成物用添加剤及び水硬性組成物 |
| JP7148170B2 (ja) | 2018-12-03 | 2022-10-05 | 竹本油脂株式会社 | 水硬性組成物用添加剤及び水硬性組成物 |
| CN113165976B (zh) * | 2018-12-03 | 2023-09-12 | 竹本油脂株式会社 | 水硬性组合物用添加剂及水硬性组合物 |
| CN113825553A (zh) * | 2019-05-15 | 2021-12-21 | Spcm股份公司 | 过滤2-丙烯酰胺基-2-甲基丙磺酸的新方法 |
| CN113825553B (zh) * | 2019-05-15 | 2023-11-17 | 爱森集团 | 过滤2-丙烯酰胺基-2-甲基丙磺酸的新方法 |
| CN113402682A (zh) * | 2021-06-24 | 2021-09-17 | 华中科技大学 | 一种聚合物网络改性膨润土及其原位聚合制备方法 |
| CN113402682B (zh) * | 2021-06-24 | 2022-08-09 | 华中科技大学 | 一种聚合物网络改性膨润土及其原位聚合制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005007773A1 (ja) | 2006-08-31 |
| JP4277124B2 (ja) | 2009-06-10 |
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