CN104724993A - High-dispersity, high-suspensibility and high-permeability cement paste and preparation method thereof - Google Patents
High-dispersity, high-suspensibility and high-permeability cement paste and preparation method thereof Download PDFInfo
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- CN104724993A CN104724993A CN201510121428.6A CN201510121428A CN104724993A CN 104724993 A CN104724993 A CN 104724993A CN 201510121428 A CN201510121428 A CN 201510121428A CN 104724993 A CN104724993 A CN 104724993A
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- gelling material
- cement slurry
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- 239000004568 cement Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000000375 suspending agent Substances 0.000 claims abstract description 30
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 28
- 239000006185 dispersion Substances 0.000 claims description 19
- 238000007711 solidification Methods 0.000 claims description 15
- 230000008023 solidification Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000003469 silicate cement Substances 0.000 claims description 3
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 2
- HEAFLBOWLRRIHV-UHFFFAOYSA-N [Na].[P] Chemical compound [Na].[P] HEAFLBOWLRRIHV-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims description 2
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 2
- 229940050410 gluconate Drugs 0.000 claims description 2
- 238000010907 mechanical stirring Methods 0.000 claims description 2
- 239000001509 sodium citrate Substances 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 2
- 238000005829 trimerization reaction Methods 0.000 claims description 2
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 2
- 229940038773 trisodium citrate Drugs 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 5
- 239000002270 dispersing agent Substances 0.000 abstract 3
- 230000008719 thickening Effects 0.000 abstract 3
- 230000000740 bleeding effect Effects 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 238000007613 slurry method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 101710194948 Protein phosphatase PhpP Proteins 0.000 description 1
- 210000004883 areola Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical group O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to high-dispersity, high-suspensibility and high-permeability cement paste and a preparation method thereof. The cement paste is prepared from a binding material, water, a suspending agent, a dispersing agent and a thickening time control agent, wherein the binding material accounts for 5%-30% of total mass of the cement paste; the suspending agent accounts for 3.0%-10.0% of total mass of the cement paste; the dispersing agent is 0.3-2.0% of the mass of the binding material; the thickening time control agent is 0.03-1.0% of mass of the binding material; and water is supplemented to 100%. The preparation method comprises the following steps: feeding the binding material, water, the dispersing agent and the thickening time control agent to a stirrer, and stirring into slurry; and feeding the suspending agent to the stirrer, and mechanically stirring or ultrasonically dispersing for 90-300 seconds. The high-dispersity, high-suspensibility and high-permeability cement paste has relatively high liquidity, high suspensibility and high dispersity, can be bestrewed in the channel by virtue of the liquidity in a small water channel, and can be adhered to the wall of the channel by virtue of the cohesiveness; the slurry can infiltrate into relatively small holes; and the overall permeable channel and the holes in sand are effectively filled.
Description
Technical field
The present invention relates to a kind of high dispersive higher suspension high permeable cement slurry and preparation method thereof, belong to injection material technical field in oil well, mine.
Background technology
In petroleum production engineering or mining engineering, often need to carry out shutoff to underground water breakthrough passage, Karst corridor.Larger cavity and duct are easy to shutoff, and some small volume cavitys and narrow and small water-permeable passage are difficult to be filled, or due to plugging material (such as conventional non-dispersible underwater concrete) particle size larger, slurry is difficult to penetrate in tiny hole seam, and this just needs, and mobility is larger, the better slurry of perviousness is filled.At present, the domestic shutoff means to narrow and small water-permeable passage, many employing organism plugging materials, easily inject earth formation deep, but it is expensive, environmental pollution is comparatively large, unstable properties, and after plastic, intensity is low, resistance to elevated temperatures is poor, poor durability, and easily pollutes for groundwater environment.Summary of the invention
For the problems referred to above, the invention provides a kind of high dispersive higher suspension high permeable cement slurry and preparation method thereof, the present invention can be used for the areola shutoff such as underground micro-cracks, space and narrow and small water-permeable passage, and technical scheme of the present invention is as follows:
A kind of high dispersive higher suspension high permeable cement slurry, be made up of gelling material, water, suspension agent, dispersion agent and adjustable solidification agent, wherein, gelling material accounts for the 5%-30% of total mass, suspension agent consumption accounts for the 3.0%-10.0% of total mass, the consumption of dispersion agent is the 0.3%-2.0% of gelling material quality, and the consumption of adjustable solidification agent is 0.3 ‰-1.0% of gelling material quality, and water complements to 100%.
Further, described gelling material is that strength grade is not less than 42.5MPa, specific surface area 400-800m
2the silicate cement of/Kg.
Further, described suspension agent is Nano silica sol, and solids content is 30-40%, particle size 10-40nm.
Further, described dispersion agent is the tensio-active agents such as naphthalene system, sulfamate, polycarboxylic acid series.
Further, described adjustable solidification agent be selected from gluconate, tri-polyphosphate, Citrate trianion or borate any one.
Further, described adjustable solidification agent be selected from Sunmorl N 60S, trimerization phosphorus sodium, Trisodium Citrate or Sodium Tetraborate any one.
Prepare the method for above-mentioned high dispersive higher suspension high permeable cement slurry, gelling material, water, dispersion agent and adjustable solidification agent are dropped in stirrer, stirs into slurry, then suspension agent is dropped in stirrer, stir or ultrasonic disperse 90 seconds-300 seconds; Preferred dispersing mode is ultrasonic disperse 180 seconds.
During the invention process, can according to " hydraulic structure cementation process construction technique normalizing " (DL/T5148-2012), or the plasma pouring constructing skill specification of other industry, high dispersive higher suspension of the present invention is grouted in water-permeable passage and space.
The effect theory of high dispersive higher suspension high permeable cement slurry is: the first step, first, the grout carrying high dispersive higher suspension stable in cavity under water, after grout arrives and requires position, because grout high workability and hypertonicity can flow voluntarily, penetrate in tiny Karst corridor, due to the condensation of slurry, solidification thus make duct and gap by effective shutoff.
In high dispersive higher suspension high permeable cement slurry of the present invention, bleeding rate represents in suspension time the per-cent of the water yield and the total system quality secreting, tiny cement granules not only can suspend, disperse by the silicon sol in the present invention, in addition, active silica wherein can also with cement generation secondary reaction of hydration to strengthen the intensity of hydrated product, gelling material can penetrate in smaller sand space and duct with dispersed by high suspension, to reach the object of solidification down-hole sand and duct.
The present invention compared with prior art has the following advantages:
1, the present invention has higher mobility, Thief zone, higher suspension stability, can cross in aquaporin, rely on self mobility, perviousness is covered with passage, and can depends on conduit wall by the cohesiveness of self, effectively filling completely whole water-permeable passage narrow and small.And the good uniformity of clean slurry mixture, workability are good.When constructing, being conventionally in the milk, namely may penetrate in the narrow and small water-permeable passage of connection, and in water-permeable passage after flow expansion, reaching consolidation, down-hole fine sand and rock pore are seamed stifled.
2, the present invention goes for comprising in the engineerings such as Hydraulic and Hydro-Power Engineering, oil field shutoff, Mine ventilator, road and bridge and work China Democratic National Construction Association the grouting being applied to occurred narrow and small water-permeable passage, crack or space, adapts to area wider.
3, cement based plugging material has that intensity is high, resistance to elevated temperatures good, for the little advantage of environmental influence.
Accompanying drawing explanation
Fig. 1 is suspension agent volume when being 5%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate;
Fig. 2 is suspension agent volume when being 8%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate;
Fig. 3 is suspension agent volume when being 10%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate;
Fig. 4 is suspension agent consumption when being 8%, and ultrasonic disperse 5min is on the impact of suspension system bleeding rate;
When Fig. 5 represents suspension agent volume 8%, the ultrasonic disperse time is to the stability influence of gelling material different amounts system.
Embodiment
Further describe the present invention below in conjunction with specific embodiment, advantage and disadvantage of the present invention will be more clear along with description.But embodiment is only exemplary, does not form any restriction to scope of the present invention.It will be understood by those skilled in the art that and can modify to the details of technical solution of the present invention and form or replace down without departing from the spirit and scope of the present invention, but these amendments and replacement all fall within the scope of protection of the present invention.
Embodiment
Material: gelling material is not less than 42.5MPa by strength grade, specific surface area is greater than 500 object silicate cement compositions; Suspension agent is Nano silica sol (the Physicochemical performance of described Nano silica sol is as shown in table 1), and dispersion agent is naphthalene sulfonic acid formaldehyde condensation polymer (FDA); Described adjustable solidification agent is tripoly phosphate sodium STPP, and the massfraction of each component is as shown in table 2, and wherein, the content of gelling material and suspension agent is the mass percent accounting for total amount, and the content of dispersion agent and adjustable solidification agent is the mass percent accounting for gelling material:
The physical and chemical performance of table 1 silicon sol
Table 2
Just gelling material, water, dispersion agent and adjustable solidification agent drop in stirrer, stir into slurry, then drop in stirrer by suspension agent, the high dispersive higher suspension high permeable cement slurry obtained after mechanical stirring or ultrasonic disperse.
High dispersive higher suspension high permeable cement slurry Performance Detection prepared by test example 1 couple of the present invention
To high dispersive higher suspension high permeable cement slurry Performance Detection prepared by the present invention, comprise bleeding rate, 20 DEG C of time of coagulation, 70 DEG C of time of coagulation, density and 20 DEG C of conditions ultimate compression strength of lower 28 days (be 40-60 object sand by 1:2 mix after with fineness) detected result as shown in table 3:
Table 3
The research of the bleeding rate of high dispersive higher suspension high permeable cement slurry prepared by test example 2 couples of the present invention
To the detected result of the bleeding rate of high dispersive higher suspension high permeable cement slurry prepared by the present invention as Figure 1-Figure 5, acquired results measures under the constant prerequisite of other starting material except suspension agent and gelling material.Fig. 1 is suspension agent volume when being 5%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate.As can be seen from Figure, gelling material amount is more, fewer at same time bleeding rate.Fig. 2 is suspension agent volume when being 8%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate.Rule is identical with Fig. 1, but for same gel material content, because suspension agent volume improves, the bleeding rate of corresponding same time declines.Fig. 3 is suspension agent volume when being 10%, mechanical dispersion 3min, the impact of gelling material amount change on different time bleeding rate.As can be seen from Fig. 1-Fig. 3, simultaneously, within identical storage period, bleeding rate declines along with the increase of gelling material amount for dispersing mode, suspension agent consumption homogeneous phase.For identical gel material content, identical storage period, colloidal sol volume more at most bleeding rate is fewer, and namely suspension stability is better.But suspension agent volume 8% and 10% difference is little, considers that Cost Problems suspension agent optimum amount is 8%.Fig. 4 is suspension agent consumption when being 8%, and ultrasonic disperse 5min is on the impact of suspension system bleeding rate.As seen from Figure 4, ultrasonic disperse is comparatively large on the impact of system dispersion effect, and compared with mechanical dispersion 3min above, during identical gel material content, initial bleeding rate obviously reduces many; When gel material content is more than 20%, it is also little that suspension system bleeding rate is almost 0,24h impact, and namely whole system stability is fabulous.When Fig. 5 represents suspension agent volume 8%, the ultrasonic disperse time is to the stability influence of gelling material different amounts system.As seen from the figure, increase the ultrasonic disperse time for the decline of same system bleeding rate, but when the ultrasonic disperse time is greater than 5min, little to system 24h stability influence, therefore, advise that the ultrasonic disperse time is according to gel material content different choice 3-5min.
Claims (8)
1. a high dispersive higher suspension high permeable cement slurry, it is characterized in that, described grout is made up of gelling material, water, suspension agent, dispersion agent and adjustable solidification agent, wherein, gelling material accounts for the 5%-30% of total mass, and suspension agent consumption accounts for the 3.0%-10.0% of total mass, and the consumption of dispersion agent is the 0.3%-2.0% of gelling material quality, the consumption of adjustable solidification agent is 0.3 ‰-1.0% of gelling material quality, and water complements to 100%.
2. high dispersive higher suspension high permeable cement slurry according to claim 1, is characterized in that, described gelling material is that strength grade is not less than 42.5MPa, specific surface area 400-800m
2the silicate cement of/Kg.
3. high dispersive higher suspension high permeable cement slurry according to claim 1, it is characterized in that, described suspension agent is Nano silica sol, and solids content is 30-40%, particle size 10-40nm.
4. high dispersive higher suspension high permeable cement slurry according to claim 1, is characterized in that, described dispersion agent is selected from naphthalene system, sulfamate or polycarboxylic acid series tensio-active agent.
5. high dispersive higher suspension high permeable cement slurry according to claim 1, is characterized in that, described adjustable solidification agent be selected from gluconate, tri-polyphosphate, Citrate trianion or borate any one.
6. high dispersive higher suspension high permeable cement slurry according to claim 5, is characterized in that, described adjustable solidification agent is any one in Sunmorl N 60S, trimerization phosphorus sodium, Trisodium Citrate or Sodium Tetraborate.
7. the method for the high dispersive higher suspension high permeable cement slurry of preparation as described in any one of claim 1-6, it is characterized in that, step is as follows:
Gelling material, water, dispersion agent and adjustable solidification agent are dropped in stirrer, stirs into slurry, then suspension agent is dropped in stirrer, mechanical stirring or ultrasonic disperse 90 seconds-300 seconds.
8. method according to claim 7, is characterized in that, is dropped into by suspension agent in stirrer, ultrasonic disperse 180 seconds.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121428.6A CN104724993B (en) | 2015-03-19 | 2015-03-19 | A kind of high dispersive higher suspension high permeable cement slurry and preparation method thereof |
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| CN201510121428.6A CN104724993B (en) | 2015-03-19 | 2015-03-19 | A kind of high dispersive higher suspension high permeable cement slurry and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104724993A true CN104724993A (en) | 2015-06-24 |
| CN104724993B CN104724993B (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477926A (en) * | 2016-10-11 | 2017-03-08 | 武汉科技大学 | Controlled cement slurry of a kind of rheological characteristic and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628800A (en) * | 2009-08-25 | 2010-01-20 | 北京中煤矿山工程有限公司 | Early strength cement grout with low dehydration ratio for grouting |
| CN101792660A (en) * | 2010-03-04 | 2010-08-04 | 大庆石油管理局 | Multi-functional nanometer oil well cement slurry |
| CN104371678A (en) * | 2014-11-06 | 2015-02-25 | 中国石油天然气集团公司 | Expanded flexible well cementing grout and preparation method thereof |
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2015
- 2015-03-19 CN CN201510121428.6A patent/CN104724993B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628800A (en) * | 2009-08-25 | 2010-01-20 | 北京中煤矿山工程有限公司 | Early strength cement grout with low dehydration ratio for grouting |
| CN101792660A (en) * | 2010-03-04 | 2010-08-04 | 大庆石油管理局 | Multi-functional nanometer oil well cement slurry |
| CN104371678A (en) * | 2014-11-06 | 2015-02-25 | 中国石油天然气集团公司 | Expanded flexible well cementing grout and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477926A (en) * | 2016-10-11 | 2017-03-08 | 武汉科技大学 | Controlled cement slurry of a kind of rheological characteristic and preparation method thereof |
| CN106477926B (en) * | 2016-10-11 | 2019-01-04 | 武汉科技大学 | A kind of cement slurry and preparation method thereof that rheological characteristic is controllable |
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| CN104724993B (en) | 2016-08-17 |
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Granted publication date: 20160817 |