CN106520083A - Moderate-and-high-temperature oil well cement fluid loss additive and preparation method thereof - Google Patents
Moderate-and-high-temperature oil well cement fluid loss additive and preparation method thereof Download PDFInfo
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- CN106520083A CN106520083A CN201610871690.7A CN201610871690A CN106520083A CN 106520083 A CN106520083 A CN 106520083A CN 201610871690 A CN201610871690 A CN 201610871690A CN 106520083 A CN106520083 A CN 106520083A
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- well cement
- high temperature
- type oil
- temperature type
- filtrate reducer
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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
- C09K8/03—Specific additives for general use in well-drilling compositions
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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
- C09K8/42—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
- C09K8/487—Fluid loss control additives; Additives for reducing or preventing circulation loss
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a moderate-and-high-temperature oil well cement fluid loss additive. The cement fluid loss additive comprises, by weight, 60-65% of liquid AMPS polymer, 10-15% of stabilizer and the balance water or comprises, by weight, 25-30% of powder AMPS polymer, 15-20% of stabilizer, 30-35% of expanding agent, 6-8% of dispersing agent and the balance calcium carbonate. By means of the moderate-and-high-temperature oil well cement fluid loss additive, the fluid loss of cement paste freshwater and saline water systems can be within 50 ml, the additive can resistant to the temperature of 160 DEG C, free water of cement paste is effectively prevented from entering stratums, construction safety and cementing quality of set cement and interfaces are ensured, and the stratum channeling prevention function is also achieved.
Description
Technical field
The invention belongs to the technical field of the oil well cement additive in drilling engineering, and in particular to a kind of high temperature type oil
Well cement fluid loss agent and preparation method thereof.
Background technology
With going deep into for the exploitation to oil-gas reservoir, the oil reservoir of shallower and easy exploitation has faced exhaustion, it is necessary to which exploitation is relative
Demand of the society to the energy is met compared with the deep and big oil reservoir of exploitation difficulty.Changqing oilfields in the exploitation of deep-well oil reservoir, nearly 5 years
More than 200 mouths are risen to from 50 mouthfuls, is had in the trend for crossing over growth.Existing middle temperature drop dehydration agent is mainly with water-soluble high-molecular material
Based on film forming class, filtrate-loss control can be good, but the following technical problem for existing：
1st, raw material quality fluctuation is big, and product quality is difficult to control to, and system is had high demands to Cement Quality；2nd, the resistance to height of system
100 DEG C of warm ability ＜, it is impossible to meet deep well cementing demand；3rd, system saline-alkaline tolerance poor (5% salt solution, drop dehydration ability mistake
Effect), application surface is little, it is impossible to meet deep-well, saline bed well cementation demand.
The content of the invention
In order to solve the above-mentioned problems in the prior art, it is an object of the invention to propose a kind of high temperature type oil well
Cement water reducer；A kind of another object of the present invention, there is provided preparation method of above-mentioned cement water reducer.
For realizing above-mentioned technical purpose, the present invention is adopted the following technical scheme that and is achieved.
A kind of high temperature type oil-well cement filtrate reducer that the present invention is provided, consists of the following components in percentage by weight：
60-65% liquid A MPS polymer, 10-15% stabilizers, balance of water；Or the powders A MPS polymer of 25-30%；15-
20% stabilizer；The swelling agent of 30-35%；The dispersant of 6-8%；Balance of calcium carbonate.
Preferably, in above-mentioned cement water reducer, the solid content of the liquid A MPS polymer is more than 40%, solid content
Low control dehydration effect is not good, and content is more than more than 40%, and dehydration can be controlled within 50ml.
Preferably, in above-mentioned cement water reducer, the stabilizer is sodium metasilicate.
Preferably, in above-mentioned cement water reducer, the high temperature type oil-well cement filtrate reducer is by following weight hundred
Divide the component composition of ratio：60% liquid A MPS polymer, 10% sodium metasilicate, balance of water.
Preferably, in above-mentioned cement water reducer, the high temperature type oil-well cement filtrate reducer is by following weight hundred
Divide the component composition of ratio：25% powders A MPS polymer；15% stabilizer；30% swelling agent；7% dispersant；It is remaining
Measure as calcium carbonate.
Preferably, in above-mentioned cement water reducer, the swelling agent is calcium oxide.
Preferably, the dispersant is oil well cement dispersant.
The method for preparing another technical scheme high temperature type oil-well cement filtrate reducer in the present invention, step are as follows, press
Formula ratio is put into liquid A MPS polymer, stabilizer in taper agitator tank and stirs after 10～30min, makes high temperature type oil well
Cement water reducer finished product；Or by formula ratio by powders A MPS polymer, stabilizer be put in taper agitator tank stirring 10～
After 30min；Dispersant, swelling agent, calcium carbonate stirring 20～40min minutes is sequentially added, high temperature type oil-well cement is made
Fluid loss agent finished product.
Beneficial effects of the present invention：
1st, in above-mentioned high temperature type oil-well cement filtrate reducer, AMPS has the group of high temperature resistant property, therefore has aobvious
The temperature resistance ability of work；Due in AMPS molecules containing anionic property is strong, good water solubility sulfonic acid group, thus cation to external world
Attack is insensitive, shows excellent anti-salt property, three pairs of lone pair electrons on ketonic oxygen (C=O), easily with cement in calcium
There is absorption in ion, form fine and close spatial networks system, can effectively reduce fluid loss.
2nd, within oil-well cement filtrate reducer of the invention can make the fluid loss 50ml of cement mortar fresh water, brine system,
Temperature resistant capability reaches 160 DEG C, effectively prevents the Free water of cement mortar from entering stratum, it is ensured that construction safety and Behavior of Hardened Cement Paste and interface
Bonding quality, while reach the effect of stratum anti-channeling.
Specific embodiment
The invention will be further described below：
Embodiment 1
A kind of high temperature type oil-well cement filtrate reducer that the present embodiment is provided, by following components in percentage by weight group
Into：60-65% liquid A MPS polymer, 10-15% oil well cement dispersants, balance of water.
Wherein, abbreviations of the AMPS for acrylamide-2-methylpro panesulfonic acid.
Wherein, oil well cement dispersant, also known as fire retardant.The model of optional Weihui City Chemical Co., Ltd.'s production
The fire retardant of USZ, is not limited thereto producer certainly, as long as having peptizaiton.
Embodiment 2
A kind of high temperature type oil-well cement filtrate reducer provided in an embodiment of the present invention, by following components in percentage by weight
Composition：60% liquid A MPS polymer, 10% sodium metasilicate, balance of water.
Embodiment 3
A kind of high temperature type oil-well cement filtrate reducer that the present embodiment is provided, by following components in percentage by weight group
Into：65% liquid A M polymer；15% sodium metasilicate；Balance of water.
Embodiment 4
A kind of high temperature type oil-well cement filtrate reducer that the present embodiment is provided, by following components in percentage by weight group
Into：63% liquid polyanion cellulose；12% sodium metasilicate；Balance of water.
Embodiment 5
A kind of method of the high temperature type oil-well cement filtrate reducer prepared described in embodiment 2 is present embodiments provided, is walked
It is rapid as follows, prepare component according to formula ratio, 60% liquid A MPS polymer, 10% sodium metasilicate are put in taper agitator tank and are stirred
High temperature type oil-well cement filtrate reducer finished product is made after 20min.Code name is sample 1.
The sample 1 of certain mass percentage (on the basis of cement quality) is added in victory Weihe River G class g cements, by GB10238-
2005 standards prepare the cement mortar that the ratio of mud is 0.44, then by People's Republic of China's oil and gas industry standard SY/
The fluid loss of T5504.2-2005 " oil-well cement filtrate reducer evaluation method " determination sample 1, evaluates the filtrate-loss control of sample 1
Can, it is as shown in table 1 below.
1 cement slurry water loss amount performance of table
Test result indicate that, the oil-well cement filtrate reducer of the present invention has good drop in the range of 90 DEG C～160 DEG C
Dehydration performance, the oil-well cement filtrate reducer of this explanation present invention have preferable high temperature resistant, salt resistance, filtrate-loss control energy.
Embodiment 6
A kind of high temperature type oil-well cement filtrate reducer that the present embodiment is provided, by following components in percentage by weight group
Into：The powders A MPS polymer of 25-30%；The stabilizer of 15-20%；The swelling agent of 30-35%；The dispersant of 6-8%；Surplus
For calcium carbonate.
Wherein, abbreviations of the AMPS for acrylamide-2-methylpro panesulfonic acid.
Embodiment 7
A kind of high temperature type oil-well cement filtrate reducer that the present embodiment is provided, by following components in percentage by weight group
Into：25% powders A MPS polymer；15% sodium metasilicate；30% aluminium polychloride；6% dispersant；Balance of carbonic acid
Calcium.
Embodiment 8
A kind of high temperature type oil-well cement filtrate reducer provided in an embodiment of the present invention, by following components in percentage by weight
Composition：30% powders A M polymer；20% sodium metasilicate；32% aluminium polychloride；8% dispersant；Balance of carbonic acid
Calcium.
Embodiment 9
A kind of high temperature type oil-well cement filtrate reducer provided in an embodiment of the present invention, by following components in percentage by weight
Composition：26% powder polyanion cellulose；17% sodium metasilicate；35% aluminium polychloride；7% dispersant；Surplus
For calcium carbonate.
Embodiment 10
A kind of high temperature type oil-well cement filtrate reducer provided in an embodiment of the present invention, by following components in percentage by weight
Composition：28% powders A MPS polymer；18% sodium metasilicate；34% aluminium polychloride；8% dispersant；Balance of carbon
Sour calcium.
Embodiment 11
A kind of method of the high temperature type oil-well cement filtrate reducer prepared described in embodiment 6 is present embodiments provided, is walked
It is rapid as follows, by formula ratio by powders A MPS polymer or powders A M polymer or powder polyanion cellulose, stabilizer
After 10～30min is stirred in being put into taper agitator tank；Sequentially add dispersant, swelling agent, calcium carbonate and stir 20～40min point
Clock, makes high temperature type oil-well cement filtrate reducer finished product.
Embodiment 12
A kind of method for preparing 10 high temperature type oil-well cement filtrate reducer of embodiment is present embodiments provided, step is such as
Under, prepare component according to formula ratio, the sodium metasilicate of 28% powders A MPS polymer, 18% is put in taper agitator tank and is stirred
After 20min；Sequentially add 8% dispersant, 34% aluminium polychloride, calcium carbonate stir 30 minutes, make high temperature type
Oil-well cement filtrate reducer finished product.Code name is sample 2.
The sample 2 of certain mass percentage (on the basis of cement quality) is added in victory Weihe River G class g cements, by GB10238-
2005 standards prepare the cement mortar that the ratio of mud is 0.44, then by People's Republic of China's oil and gas industry standard SY/
The fluid loss of T5504.2-2005 " oil-well cement filtrate reducer evaluation method " determination sample 2, evaluates the filtrate-loss control of sample 2
Can, it is as shown in table 2 below.
2 cement slurry water loss amount performance of table (identical with upper table modification, to increase brine system fluid loss)
Test result indicate that, the oil-well cement filtrate reducer of the present invention has good drop in the range of 90 DEG C～160 DEG C
Dehydration performance, the oil-well cement filtrate reducer of this explanation present invention have preferable high temperature resistant, salt resistance, filtrate-loss control energy.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (8)
1. a kind of high temperature type oil-well cement filtrate reducer, it is characterised in that consist of the following components in percentage by weight：60-
65% liquid A MPS polymer, 10-15% stabilizers, balance of water；Or the powders A MPS polymer of 25-30%；15-20%
Stabilizer；The swelling agent of 30-35%；The dispersant of 6-8%；Balance of calcium carbonate.
2. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that the liquid A MPS polymer
Solid content is more than 40%.
3. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that the stabilizer is sodium metasilicate.
4. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that by the group of following percentage by weight
It is grouped into：60% liquid A MPS polymer, 10% sodium metasilicate, balance of water.
5. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that by the group of following percentage by weight
It is grouped into：25% powders A MPS polymer；15% stabilizer；30% swelling agent；7% dispersant；Balance of carbonic acid
Calcium.
6. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that the swelling agent is calcium oxide.
7. high temperature type oil-well cement filtrate reducer according to claim 1, it is characterised in that the dispersant is oil-well cement
Dispersant.
8. a kind of method of the high temperature type oil-well cement filtrate reducer prepared described in claim 1, it is characterised in that：Step is such as
Under, liquid A MPS polymer, stabilizer are put in taper agitator tank by formula ratio and are stirred after 10～30min, make high temperature
Type oil-well cement filtrate reducer finished product；Or powders A MPS polymer, stabilizer are put in taper agitator tank by formula ratio and stir
After mixing 10～30min；Dispersant, swelling agent, calcium carbonate stirring 20～40min minutes is sequentially added, high temperature type oil is made
Well cement fluid loss agent finished product.
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| CN201610871690.7A CN106520083A (en) | 2016-09-30 | 2016-09-30 | Moderate-and-high-temperature oil well cement fluid loss additive and preparation method thereof |
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| CN201610871690.7A CN106520083A (en) | 2016-09-30 | 2016-09-30 | Moderate-and-high-temperature oil well cement fluid loss additive and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502324A (en) * | 2017-08-22 | 2017-12-22 | 中国海洋石油总公司 | A kind of light-weight cement slurry multiple-effect additive and preparation method thereof |
| CN110305641A (en) * | 2019-07-17 | 2019-10-08 | 嘉华特种水泥股份有限公司 | A kind of modified fluid loss agent |
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| CN105255463A (en) * | 2015-11-04 | 2016-01-20 | 安东石油技术（集团）有限公司 | Elastic-plastic minimum inflation well cement slurry and preparation method thereof |
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2016
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Patent Citations (6)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502324A (en) * | 2017-08-22 | 2017-12-22 | 中国海洋石油总公司 | A kind of light-weight cement slurry multiple-effect additive and preparation method thereof |
| CN110305641A (en) * | 2019-07-17 | 2019-10-08 | 嘉华特种水泥股份有限公司 | A kind of modified fluid loss agent |
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