CN106746847A - A kind of compound micro- silicon light weight cement early strength agent and preparation method and application - Google Patents
A kind of compound micro- silicon light weight cement early strength agent and preparation method and application Download PDFInfo
- Publication number
- CN106746847A CN106746847A CN201611095943.2A CN201611095943A CN106746847A CN 106746847 A CN106746847 A CN 106746847A CN 201611095943 A CN201611095943 A CN 201611095943A CN 106746847 A CN106746847 A CN 106746847A
- Authority
- CN
- China
- Prior art keywords
- light weight
- early strength
- micro
- strength agent
- silicon light
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention provides the compound micro- silicon light weight cement early strength agent of one kind and preparation method and application, it is made up of the material of following mass percent：Calcium oxalate 70~90%, sodium metasilicate 9~30%, triethanolamine 0.5~1%.Compound micro- silicon light weight cement early strength agent effectively improves micro- silicon low density water mudstone early strength.The not corrosive ion such as chloride ion-containing, to sleeve pipe and the corrosion-free effect of Behavior of Hardened Cement Paste.Substantially reduce the well cementation Hou Ning times; the Hou Ning times were foreshortened to 5 hours by 8 hours of existing early strength agent, can be met in cementing operation to micro- silicon low-density cement mortar and the performance requirement of Behavior of Hardened Cement Paste, and sleeve pipe can be effectively protected again; protection reservoir of oil and gas, improves single well productivity.
Description
Technical field
The invention belongs to petroleum industry oil gas well cementing operation low density water mudstone intensity enhancing additive technology field, specifically
It is related to a kind of compound micro- silicon light weight cement early strength agent and preparation method and application.
Background technology
The development and application of micro- silicon light weight cement have great importance to reservoir protec-tion and raising cementing quality.With
Theoretical continuous progressive of chemistry of cement and deepen, people are to the composition of micro- silicon and flyash, vitreous structure and its potential water
Hard activity to be had more fully understand and recognize, in being incorporated into the development of oil gas well cementing operation cement and applying.
But the inherent shortcoming of existing micro- silicon light weight cement it is further developed it is restricted, with a large amount of lightening materials
Addition, cement mortar uniformity reduction, the process of hydration reaction be affected, cause slurry degradation, especially cement
Stone intensity is greatly reduced, and is difficult to meet the requirement on sealing stratum sometimes, and the density of cement mortar drops lower, and the contradiction is more prominent
Go out, therefore the balance sought between " low-density " and " high intensity " is the important side of micro- silicon light weight cement system development at present
To.
Conventional micro- silicon light weight cement early strength agent is mainly inorganic salts early strength agent, including chloride salt and sulfate at present
Class, has corrosiveness to sleeve pipe and Behavior of Hardened Cement Paste because traditional early strength agent is present, and well cementation curing time is long.
The content of the invention
It is an object of the invention to provide a kind of with excellent early strength function, micro- silicon can be under cryogenic greatly speeded up
The hydration rate of light weight cement, promotes low density water mudstone to produce early strength, shortens well cementation curing time, while again to set
Pipe and compound micro- silicon light weight cement early strength agent of the corrosion-free effect of Behavior of Hardened Cement Paste.
To achieve these goals, technical scheme is as follows：
A kind of compound micro- silicon light weight cement early strength agent, is made up of the material of following mass percent：Calcium oxalate 70~
90%, sodium metasilicate 9~30%, triethanolamine 0.5~1%.
A kind of compound micro- silicon light weight cement early strength agent, is made up of the material of following mass percent：Calcium oxalate 84%,
Sodium metasilicate 15%, triethanolamine 1%.
Present invention also offers a kind of preparation method of compound micro- silicon light weight cement early strength agent, in mixing agitator
Calcium oxalate, sodium metasilicate, the aluminate of formula ratio are separately added into, are mixed 30-50 minutes, then spray three second for adding formula ratio
Hydramine, mixes 20-40 minutes, obtains final product compound micro- silicon light weight cement early strength agent.
It is dry in micro- silicon light weight cement present invention also offers a kind of application of compound micro- silicon light weight cement early strength agent
Added during puddling, the cement mortar after stirring that adds water is used for oil gas well cementing operation, the cement slurry density is 1.3-1.4g/
cm3。
The addition of compound micro- silicon light weight cement early strength agent is the 1.0- of micro- silicon light weight cement quality
2.5%.
The mass percent of micro- silicon is 5%-10% in micro- silicon light weight cement.
The beneficial effects of the invention are as follows：
This compound micro- silicon light weight cement early strength agent that the present invention is provided is the compound early strength agent of calcium oxalate class, oxalic acid
The alkaline matter produced after calcium hydrolysis can activate micro- silicon and composition, vitreous structure and its potential hydraulic of flyash are lived
Property, the good cementing system of the hydraulicity, acceleration of hydration process are formed, so that accelerate the hardening of micro- silicon cement mortar and condense, and
The specific surface area having in itself using micro- silicon and flyash is very big, activity special nature very high, can be between filling concrete particle
Hole, with hydrated product generate gelinite.Cement material and stratum mud cake inconsistent problem are effectively eliminated, gelling can be improved
High temperature resistant property and decay resistance of material etc.；Triethanolamine mainly accelerates the low temperature hydrated rate of set of cement mortar, improves water
Mudstone early strength.
Compound micro- silicon light weight cement early strength agent effectively improves micro- silicon low density water mudstone early strength.It is not chloride from
The corrosive ions such as son, to sleeve pipe and the corrosion-free effect of Behavior of Hardened Cement Paste.The well cementation Hou Ning times are substantially reduced, the Hou Ning times are by existing
8 hours of early strength agent foreshorten to 5 hours, and the performance that can be met in cementing operation to micro- silicon low-density cement mortar and Behavior of Hardened Cement Paste will
Ask, sleeve pipe can be effectively protected again, protect reservoir of oil and gas, improve single well productivity.Also have while economic benefit is obtained
Obvious social benefit, being worthy to be popularized should.
To be described in further details below.
Specific embodiment
Embodiment 1：
A kind of compound micro- silicon light weight cement early strength agent is present embodiments provided, by the material group of following mass percent
Into：Calcium oxalate 70~90%, sodium metasilicate 9~30%, triethanolamine 0.5~1%.
The principle of the invention：
The alkaline matter produced after calcium oxalate hydrolysis in compound micro- silicon light weight cement early strength agent can activate micro- silicon
And the composition of flyash, vitreous structure and its potential hydraulically active, form the good cementing system of the hydraulicity, acceleration of hydration
Process, so as to accelerate the hardening of micro- silicon cement mortar and condense, and the specific surface area having in itself using micro- silicon and flyash is very
Greatly, activity special nature very high, can the intergranular hole of filling concrete, generate gelinite with hydrated product.Effectively disappear
Except cement material and stratum mud cake inconsistent problem, high temperature resistant property and decay resistance of Binder Materials etc. can be improved.Three second
Hydramine mainly accelerates the low temperature hydrated rate of set of cement mortar, improves Behavior of Hardened Cement Paste early strength.
Embodiment 2：
On the basis of embodiment 1, a kind of compound micro- silicon light weight cement early strength agent is present embodiments provided, by following
The material composition of mass percent：Calcium oxalate 70%, sodium metasilicate 29%, triethanolamine 1%.
Preparation process：
Calcium oxalate, sodium metasilicate, the aluminate of formula ratio are separately added into mixing agitator, are mixed 30 minutes, then
Spray adds the triethanolamine of formula ratio, mixes 20 minutes, obtains final product compound micro- silicon light weight cement early strength agent.
Embodiment 3：
On the basis of embodiment 1, a kind of compound micro- silicon light weight cement early strength agent is present embodiments provided, by following
The material composition of mass percent：Calcium oxalate 80%, sodium metasilicate 19.3%, triethanolamine 0.7%.
Preparation process：
Calcium oxalate, sodium metasilicate, the aluminate of formula ratio are separately added into mixing agitator, are mixed 40 minutes, then
Spray adds the triethanolamine of formula ratio, mixes 30 minutes, obtains final product compound micro- silicon light weight cement early strength agent.
Embodiment 4：
On the basis of embodiment 1, a kind of compound micro- silicon light weight cement early strength agent is present embodiments provided, by following
The material composition of mass percent：Calcium oxalate 84%, sodium metasilicate 15%, triethanolamine 1%.
Preparation process：
Calcium oxalate, sodium metasilicate, the aluminate of formula ratio are separately added into mixing agitator, are mixed 40 minutes, then
Spray adds the triethanolamine of formula ratio, mixes 30 minutes, obtains final product compound micro- silicon light weight cement early strength agent.
Embodiment 5：
On the basis of embodiment 1, a kind of compound micro- silicon light weight cement early strength agent is present embodiments provided, by following
The material composition of mass percent：Calcium oxalate 90%, sodium metasilicate 9.5%, triethanolamine 0.5%.
Preparation process：
Calcium oxalate, sodium metasilicate, the aluminate of formula ratio are separately added into mixing agitator, are mixed 50 minutes, then
Spray adds the triethanolamine of formula ratio, mixes 40 minutes, obtains final product compound micro- silicon light weight cement early strength agent.
Embodiment 6：
On the basis of embodiment 1, a kind of application of compound micro- silicon light weight cement early strength agent is present embodiments provided,
Micro- silicon light weight cement is dry-mixed mix during add, the cement mortar after stirring that adds water be used for oil gas well cementing operation, the water
Mud density is 1.3-1.4g/cm3。
The addition of compound micro- silicon light weight cement early strength agent is the 1.0- of micro- silicon light weight cement quality
2.5%.Micro- silicon is that a kind of specific surface area is very big, activity volcano gray matter very high, water swelling, can be between filling concrete particle
Hole, with hydrated product generate gelinite.Cement material and stratum mud cake inconsistent problem are effectively eliminated, gelling can be improved
High temperature resistant property and decay resistance of material etc..
The compound micro- silicon light weight cement early strength agent of the present invention can also be applied to fly ash low density cement.
The mass percent of micro- silicon is 5%-10% in micro- silicon light weight cement.
Performance test：
Compound micro- silicon light weight cement early strength agent (abbreviation early strength agent in following table) prepared by embodiment 3 and embodiment 4
Light bead low-density cement is separately added into existing commercially available early strength agent HS-300 (Changsha, Hunan river indigo plant building materials additive field)
Performance comparision is carried out, density and compression strength see the table below.
Light bead low-density cement is formed by the material compounding of following mass percent, G grades of oil-well cement (49%), light pearl
(45%) and SILICA FUME (6%), when cementing concrete is puddled at dry-mixed station, addition accounts for answering for the 2% of light bead low-density cement quality
Mould assembly light weight cement early strength agent (early strength agent of embodiment 3), and puddle uniformly, added water according to the ratio of mud 0.85 stir into afterwards
Light bead low-density cement mortar, density is 1.3-1.4g/cm3。
Fly ash low density cement is made up of the flyash better than II grade, and fly ash low density cement is commercially available prod,
When cementing concrete is puddled at dry-mixed station, addition accounts for the compound light weight cement early strength agent of the 2% of fly ash low density cement quality
(early strength agent of embodiment 4), and puddle uniformly, added water according to the ratio of mud 0.85 stir into fly ash low density cement mortar afterwards,
Density is 1.3-1.4g/cm3。
In sum, compound micro- silicon light weight cement early strength agent effectively improves micro- silicon low density water mudstone early stage by force
Degree.The not corrosive ion such as chloride ion-containing, to sleeve pipe and the corrosion-free effect of Behavior of Hardened Cement Paste.Substantially reduce well cementation Hou Ning times, marquis
The solidifying time was foreshortened to 5 hours by 8 hours of existing early strength agent, can be met in cementing operation to micro- silicon low-density cement mortar and water
The performance requirement of mudstone, can effectively protect sleeve pipe again, protect reservoir of oil and gas, improve single well productivity.Obtaining economic benefit
While also have obvious social benefit, be worthy to be popularized should.
The method and structure that various embodiments above is not described in detail belongs to the common knowledge of the industry, does not chat one by one here
State.
It is exemplified as above be only to of the invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is that design same or analogous with the present invention is belonged within protection scope of the present invention.
Claims (6)
1. a kind of compound micro- silicon light weight cement early strength agent, it is characterised in that be made up of the material of following mass percent：Grass
Sour calcium 70~90%, sodium metasilicate 9~30%, triethanolamine 0.5~1%.
2. the compound micro- silicon light weight cement early strength agent of one kind according to claim 1, it is characterised in that by following quality
The material composition of percentage：Calcium oxalate 84%, sodium metasilicate 15%, triethanolamine 1%.
3. the preparation method of a kind of compound micro- silicon light weight cement early strength agent according to claim 1, it is characterised in that：
It is separately added into calcium oxalate, sodium metasilicate, the aluminate of formula ratio in mixing agitator, mixes 30-50 minute, then sprays and add
Enter the triethanolamine of formula ratio, mix 20-40 minutes, obtain final product compound micro- silicon light weight cement early strength agent.
4. the application of a kind of compound micro- silicon light weight cement early strength agent according to claim 1, it is characterised in that：Micro-
Silicon light weight cement is dry-mixed mix during add, the cement mortar after stirring that adds water be used for oil gas well cementing operation, the cement mortar
Density is 1.3-1.4g/cm3。
5. the application of a kind of compound micro- silicon light weight cement early strength agent according to claim 4, it is characterised in that：It is described
The addition of compound micro- silicon light weight cement early strength agent is the 1.0-2.5% of micro- silicon light weight cement quality.
6. the application of a kind of compound micro- silicon light weight cement early strength agent according to claim 4, it is characterised in that：It is described
The mass percent of micro- silicon is 5%-10% in micro- silicon light weight cement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016108541160 | 2016-09-27 | ||
| CN201610854116 | 2016-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106746847A true CN106746847A (en) | 2017-05-31 |
Family
ID=58884152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611095943.2A Pending CN106746847A (en) | 2016-09-27 | 2016-12-02 | A kind of compound micro- silicon light weight cement early strength agent and preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106746847A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126018A (en) * | 2006-08-15 | 2008-02-20 | 中国石油天然气集团公司 | Low-temperature hardening scurry-proof cement slurry for well cementing |
| CN104710128A (en) * | 2015-03-11 | 2015-06-17 | 东南大学 | Super early strength accelerator for portland cement concrete |
| CN104774600A (en) * | 2015-03-13 | 2015-07-15 | 中国石油集团渤海钻探工程有限公司 | Oil well cement low-temperature composite early-strong coagulation accelerator |
| CN105417988A (en) * | 2015-12-30 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early strength agent for ordinary portland cement fiber board |
-
2016
- 2016-12-02 CN CN201611095943.2A patent/CN106746847A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126018A (en) * | 2006-08-15 | 2008-02-20 | 中国石油天然气集团公司 | Low-temperature hardening scurry-proof cement slurry for well cementing |
| CN104710128A (en) * | 2015-03-11 | 2015-06-17 | 东南大学 | Super early strength accelerator for portland cement concrete |
| CN104774600A (en) * | 2015-03-13 | 2015-07-15 | 中国石油集团渤海钻探工程有限公司 | Oil well cement low-temperature composite early-strong coagulation accelerator |
| CN105417988A (en) * | 2015-12-30 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early strength agent for ordinary portland cement fiber board |
Non-Patent Citations (1)
| Title |
|---|
| 付美龙: "《油田化学原理》", 31 August 2015, 石油工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100360457C (en) | Cement-base dual-liquid slip-casting material | |
| CN106946518A (en) | A kind of accelerated cement base infiltration crystallization type selfreparing waterproof material and preparation method thereof | |
| CN102126840B (en) | Low-temperature concrete early strength agent | |
| CN101767960A (en) | Recycled concrete coarse aggregate modified processing method | |
| CN108793857B (en) | Dry-mixed mortar for synchronous grouting in shield construction and preparation method thereof | |
| CN108585592A (en) | A kind of Concrete synergist and preparation method thereof | |
| CN105198273A (en) | Concrete compound type chloride-free early strength agent and preparation method thereof | |
| CN113307591A (en) | Multi-source solid waste composite high-flow-state backfill material and preparation method and application thereof | |
| CN107827422A (en) | High waterproof simultaneous grouting slurry for seabed shield tunnel | |
| CN105622023B (en) | A kind of sludge curing agent using clinker | |
| CN107311591A (en) | A kind of new grouting material and preparation method thereof | |
| CN107382208B (en) | Quick-setting early strength mixed slurry | |
| CN104310843A (en) | Clay-resistant concrete function additive and preparation method thereof | |
| WO2021175004A1 (en) | Concrete admixture anti-seepage and anti-cracking shrinkage-reducing agent and preparation method thereof | |
| CN106554765A (en) | A kind of oil-well cement is without chlorine anti-channeling early strength agent and preparation method and application | |
| CN110423037A (en) | A kind of concrete subtracts jelly and preparation method thereof | |
| WO2023246866A1 (en) | Coastal karst cement-based cementitious expansion grouting material and preparation method therefor | |
| CN104496350A (en) | Corrosion-resistant polymer modified cement mortar and preparation method thereof | |
| CN103342527A (en) | Waste concrete reclaimed tunnel back lining grouting material and preparation method thereof | |
| CN106746848B (en) | A kind of compound light weight cement early strength agent and preparation method and application | |
| CN109293289B (en) | Method for preparing concrete with equal strength by recycling concrete laitance | |
| CN107417153A (en) | A kind of Concrete synergist and preparation method thereof | |
| CN103922659B (en) | Anti-under water dispersion mortar for large area cavity grouting and preparation method thereof | |
| CN108101443A (en) | It is a kind of can Rapid-Repair crack permeable crystalline waterproofing material production method | |
| CN103539416A (en) | Special novel shear-resistant mortar for synchronous grouting and preparation method 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: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |