CN108929405A - A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application - Google Patents
A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application Download PDFInfo
- Publication number
- CN108929405A CN108929405A CN201710377922.8A CN201710377922A CN108929405A CN 108929405 A CN108929405 A CN 108929405A CN 201710377922 A CN201710377922 A CN 201710377922A CN 108929405 A CN108929405 A CN 108929405A
- Authority
- CN
- China
- Prior art keywords
- resisting
- temperature
- salt
- weight
- parts
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 40
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003129 oil well Substances 0.000 claims abstract description 17
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 claims abstract description 8
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical group [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 6
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 235000019394 potassium persulphate Nutrition 0.000 claims description 4
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 claims 2
- 230000035484 reaction time Effects 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 239000002270 dispersing agent Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000007613 slurry method Methods 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 4
- 238000011017 operating method Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 239000011863 silicon-based powder Substances 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- CLHYKAZPWIRRRD-UHFFFAOYSA-N 1-hydroxypropane-1-sulfonic acid Chemical compound CCC(O)S(O)(=O)=O CLHYKAZPWIRRRD-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- -1 Alkene nitrile Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
-
- 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
- C09K8/035—Organic additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
- C08F220/585—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of high-temperature resisting and salt-resisting fluid loss agents and preparation method thereof in oil gas well cementation field.Wherein the high-temperature resisting and salt-resisting fluid loss agent includes water, 100 parts by weight；2- acrylamide-2-methylpro panesulfonic acid, 40~80 parts by weight；N,N-DMAA, 30~70 parts by weight；3- allyloxy -2- hydroxyl -1- propane sulfonic acid, 1~30 parts by weight；Acrylic acid, 1~20 parts by weight；Acrylonitrile, 1~20 parts by weight.High-temperature resisting and salt-resisting fluid loss agent of the invention can be used cooperatively under the conditions of up to 180 DEG C with other oil well cement additives.With wider temperature applicable range and good salt resistance effect, the performance of cement slurry is not influenced in saturation or half saturated brine, it is used cooperatively together with the dispersing agent, medium temperature retarder, high temperature retarder etc. to match, the low water loss cement for meeting different needs of cementing operations can be made.Suitable for API oil-well cements at different levels.
Description
Technical field
The present invention relates to a kind of additives in oil gas well cementation field, furtherly, are related to a kind of high-temperature resisting and salt-resisting drop mistake
Aqua and its preparation method and application.
Background technique
In the drilling process of petroleum gas, every mouth well requires to carry out well cementing operation.In casing and cementing, need
Well depth is specified into casing tripping in, is then pumped into cement slurry in the annular space between casing and pit shaft, plays equilibrium strata pressure, envelope
The effects of oil removal Gas-Water Contant and supporting sleeve.It is contacted in cement slurry with stratum and during cement slurry sets, cement slurry
In water can penetrate into stratum, if cement slurry water loss amount is excessive, will lead to water phase volume and constantly reduce, will lead to water when serious
Mud can not pump in addition it is serious will lead to whole mouth well and scrap, will cause huge engineering loss and economic loss.
Fluid loss agent is added in cement slurry can greatly improve the dehydration performance of cement slurry, current domestic and international oil-well cement
Slurry fluid loss agent has cellulose, polyvinyl alcohol (PVA) and with 2- acrylamide-2-methylpro panesulfonic acid (AMPS) and acrylamide
It (AM) is the polymer fluid loss agent of principal monomer.Polyvinyl alcohol heat-resisting ability is poor, and general Applicable temperature is 95 DEG C or less.
Cellulose family fluid loss agent will lead to cement slurry thickening in the case where meeting and controlling fluid loss, lead to constructional difficulties.And AMPS
Amide group in type fluid loss agent molecule will lead to hydrolysis in alkaline water mud and accelerate, make under high-temperature and high-pressure conditions
The carboxyl in adsorption group in molecular structure increases, to the phenomenon that cement slurry excessive slow setting occur.Due in hot conditions
Under, the hydrolysis of AMPS type fluid loss agent and the De contamination of group can directly contribute the fluid loss of high-temperature oil well cement slurry beyond standard
Claimed range, high temperature resistance are poor.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention proposes a kind of high-temperature resisting and salt-resisting fluid loss agent, tool
It says to body and is related to a kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application.It is prepared the object of the present invention is to provide a kind of
Method is simple, and water-soluble preferable penta-component copolymerized high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application.
One of the object of the invention is to provide a kind of high-temperature resisting and salt-resisting fluid loss agent comprising following components in parts by weight
Inside：
Wherein, monomer 2- acrylamide-2-methyl propane sulfonic (AMPS) has in polymer architecture improves temperature resistance salt tolerant
The effect of property；N, N- dimethacrylamide, 3- allyloxy -2- hydroxyl -1- propane sulfonic acid, acrylic acid, acrylonitrile are in polymer
There is suction-operated in structure.
The second object of the present invention is to providing a kind of preparation method of high-temperature resisting and salt-resisting fluid loss agent.
The preparation method of the high-temperature resisting and salt-resisting fluid loss agent may include following steps：
It will include the 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethacrylamide, 3- allyloxy -2-
Component including hydroxyl -1- propane sulfonic acid, acrylic acid, acrylonitrile is added to the water stirring and dissolving, and it is molten that sodium hydroxide adjusting is then added
Liquid pH value is 6~7, while heated to 60~75 DEG C of waters bath with thermostatic control are kept for 1~1.5 hour；It in an inert atmosphere (can be to reaction
The inert gases such as nitrogen are passed through in device to exclude oxygen), after the temperature of aqueous solution in reactor reaches 60~75 DEG C, stirring
Initiator is added under state, (initiator can be selected from ammonium persulfate and sodium hydrogensulfite) reacts under constant temperature stirring, when reaction
Between can be 3~3.5 hours, cooled to room temperature obtains the high-temperature resisting and salt-resisting oil-well cement filtrate reducer.(effective concentration
Be 25~30%) wherein, by the dosage of water be 100 parts by weight in terms of, the dosage of the component is：
Ammonium persulfate/the potassium peroxydisulfate and sodium hydrogensulfite constitute redox system initiator, to cause freedom
Base polymerization reaction.By the water be 100 parts by weight in terms of, the oxidant be selected from least one of ammonium persulfate, potassium peroxydisulfate；
The dosage of the oxidant is 0.1~0.3 parts by weight；The dosage of the sodium hydrogensulfite is 0.1~0.3 parts by weight.
Specifically, a kind of preparation method of high-temperature resisting and salt-resisting fluid loss agent of the invention, it may include following preparation step：
(1) 100 parts by weight water are taken；
2- acrylamide-2-methylpro panesulfonic acid (AMPS), 40~80 parts by weight；
N,N-DMAA (DMAA), 30~70 parts by weight；
3- allyloxy -2- hydroxyl -1- propane sulfonic acid (AHPS), 1~30 parts by weight；
Acrylic acid (AA), 1~20 parts by weight；
Acrylonitrile (AN), 1~20 parts by weight.
(2) by 2- acrylamide-2-methylpro panesulfonic acid (AMPS), N, N- dimethacrylamide (DMAA), 3- allyl
In water, NaOH is then added in oxygroup -2- hydroxyl -1- propane sulfonic acid (AHPS), acrylic acid (AA) and acrylonitrile (AN) stirring and dissolving
It adjusts solution ph and is equal to 7, while heated to 60 DEG C of waters bath with thermostatic control, are kept for 1 hour.
(3) it is passed through nitrogen into reactor and excludes oxygen, the temperature to aqueous solution in reactor reaches 60 DEG C, in stirring shape
A small amount of ammonium persulfate and sodium hydrogensulfite are added under state, is reacted 3 hours under stirring.
(4) by cooled to room temperature, the high-temperature resisting and salt-resisting oil-well cement filtrate reducer with certain viscosity is obtained.
The three of the object of the invention are to provide system described in high-temperature resisting and salt-resisting fluid loss agent or the second purpose described in the first purpose
The application of fluid loss agent made from Preparation Method, the temperature range of the application are 20~180 DEG C.
Effect of the invention
1), compared with prior art, the beneficial effects of the invention are as follows：Fluid loss agent of the invention is a kind of for oil well water
Mud and the novel water-soluble polymer synthesized form weak cementing glue by the double action adsorbed and assembled in the solution
Body aggregation, insertion mud filter cake that can be stable, and it can be adsorbed on cement particle surface, reduce pore-size, Applicable temperature can
Up to 180 DEG C.It can be used cooperatively with other oil well cement additives；
2), cement slurry water loss effectively can be reduced by improving aqueous viscosity and reducing Permeability, is a kind of
With wide temperature use scope, stronger adaptability, heatproof, salt resistance a kind of novel effective universal liquid dehydration is dropped
Agent.With wider temperature applicable range and good salt resistance effect, cement slurry is not influenced in saturation or half saturated brine
Performance.The cement slurry with low fluid loss for meeting cementing requirements can be made, oil-gas Layer and construction safety are protected；
3) it, is such as used cooperatively, can make full together with the dispersing agent, medium temperature retarder, high temperature retarder that match
The low water loss cement of foot difference needs of cementing operations；
4), it is suitable for API oil-well cements at different levels.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated.But the present invention is not restricted by the embodiments.In embodiment
Raw materials used is commercially available.
Embodiment 1
Weigh 40 parts by weight 2- acrylamide-2-methylpro panesulfonic acids (AMPS), 30 parts by weight N, N '-dimethyl propylene phthalein
Amine (DMAA), 1 parts by weight of acrylic acid (AA), 1 parts by weight 3- allyloxy -2- hydroxyl -1- propane sulfonic acid (AHPS), 1 parts by weight third
Alkene nitrile (AN), is dissolved in 100 parts by weight of deionized water.The sodium hydroxide solution that concentration is 40% is added, pH value is adjusted to 7.It will
Solution is added in reactor, and reactor is put into 60 DEG C of waters bath with thermostatic control and is kept for 1~1.5 hour；Nitrogen is passed through into reactor
Gas excludes oxygen, and after the temperature of aqueous solution in reactor reaches 60 DEG C, the potassium peroxydisulfate and 0.1 weight of 0.1 parts by weight is added
Part sodium hydrogensulfite initiation reaction, reacts and continues 3h, and five-membered copolymer solution is made in cooled to room temperature, as of the invention
High-temperature resisting and salt-resisting fluid loss agent, code name be sample 1.
Embodiment 2
In addition to the difference from embodiment 1 is：The dosage of 2- acrylamide-2-methylpro panesulfonic acid (AMPS) is changed to 80
Parts by weight, are changed to 70 parts by weight for the dosage of N,N-DMAA (DMAA), change the dosage of acrylic acid (AA) into 20
The dosage of 3- allyloxy -2- hydroxyl -1- propane sulfonic acid (AHPS) is changed to 30 parts by weight, by the use of acrylonitrile (AN) by parts by weight
Amount changes 20 parts by weight into.Compared with Example 1, other operating methods are all the same for embodiment 2, prepare oil-well cement filtrate reducer
(five-membered copolymer), code name are sample 2.
Embodiment 3
In addition to difference is：The dosage of acrylic acid (AA) is changed to 20 parts by weight, embodiment 3 compared with Example 1, other
Each component weight part ratio and operating method it is all the same, prepare oil-well cement filtrate reducer (five-membered copolymer), code name is sample
Product 3.
Embodiment 4
In addition to difference is:By N, the dosage of N '-dimethyl propylene phthalein amine (DMAA) is changed to 50 parts by weight, embodiment 4 with
Embodiment 1 is compared, and other each component weight part ratios and operating method are all the same, prepares (five yuan of oil-well cement filtrate reducer
Copolymer), code name is sample 4.
Comparative example 1
In addition to difference is:With 10 parts by weight N, N '-dimethyl propylene phthalein amine (DMAA) replaces the monomer in embodiment 1
Dosage, it is 6 that NaOH, which is added, and adjusts pH value, and the temperature of water bath with thermostatic control is 75 DEG C, and comparative example 1 is compared with Example 1, other each
Ingredients weight parts ratio and operating method are all the same, prepare oil-well cement filtrate reducer, and code name is comparative example 1.
The Comprehensive performance assessment of sample prepared by four embodiments and comparative example 1：
Cement slurry is prepared by GB/T 19139-2003 standard, evaluates thickening time, fluid loss, stability, compression strength.
Cement-slurry method 1:100 parts by weight praise China G+2 parts by weight of class g cement 42 parts by weight of fluid loss agent+water of the invention,
Density is 1.88g/cm3。
Cement-slurry method 2:100 parts by weight praise China G+3 parts by weight of class g cement 60 weight of fluid loss agent+saturated brine of the invention
Measure part, density 1.93g/cm3。
Cement-slurry method 3:100 parts by weight praise China G class g cement+3 parts by weight of+35 parts by weight of silicon powder fluid loss agent of the invention
+ 0.2 parts by weight SCR retarder+water is 58 parts by weight, density 1.88g/cm3。
Cement-slurry method 4:100 parts by weight praise China G class g cement+5 parts by weight of+35 parts by weight of silicon powder fluid loss agent of the invention
+ 0.8 parts by weight SCR retarder+water is 56 parts by weight, density 1.87g/cm3。
Cement-slurry method 5:100 parts by weight praise China G class g cement+6 parts by weight of+35 parts by weight of silicon powder fluid loss agent of the invention
+ 0.8 parts by weight SCR retarder+76 parts by weight of saturated brine, density 1.87g/cm3。
Wherein SCR retarder is that (preparation method comes from document to the production of Sinopec petroleum works Institute for Research and Technology：Fang Chun
Flying, Liu Xuepeng, Zhang Mingchang wait synthesis and evaluation [J] oil drilling technology of high temperature-resistance oil well cement retarder SCR180L,
2016,38(2):It 171-175.), is liquid, density 1.06g/cm3.Formula 1 and formula 2 are suitable for temperature less than 110 DEG C
Mortar architecture.Formula 3, formula 4 and formula 5 are suitable for the system that temperature is higher than 110 DEG C.Cement dosage is attached most importance in formulation samples
100 parts of amount, water are live water.Resulting experimental result is as shown in 1~table of table 5.
Comprehensive performance of the sample 1 in different formulations is as shown in table 1.
Table 1
Comprehensive performance of the sample 2 in different formulations is as shown in table 2.
Table 2
Comprehensive performance of the sample 3 in different formulations is as shown in table 3.
Table 3
Comprehensive performance of the sample 4 in different formulations is as shown in table 4.
Table 4
Comprehensive performance of the comparative example 1 in different formulations is as shown in table 5.
Table 5
It can see by testing above, in the application process of cement-slurry method 5, the dosage of saturated brine is to the application reality
The cement slurry water loss amount for applying a sample 1~4 and thickening time, there is no what to influence, it is seen that the application product has good anti-
Salt performance, in addition under each formula, embodiment sample 1~4 all shows the characteristic for increasing fluid loss and increasing with temperature, all
Control meets the requirement of standard GB/T 19139-2003 within 50mL, and the loss-of-coolant experiment (LOCE) of comparative example 1 is greater than 50mL, cannot
Meet GB/T 19139-2003 standard.It can be seen that properties can satisfy GB/ to the embodiment of the present application sample 1~4 in an experiment
T 19139-2003 standard, and thickening time control is preferably, anti-salt property is good.
Claims (8)
1. a kind of high-temperature resisting and salt-resisting fluid loss agent, includes following components in parts by weight：
2. high-temperature resisting and salt-resisting fluid loss agent according to claim 1, it is characterised in that be by including the following steps including
What method was prepared：
It will include the 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethacrylamide, 3- allyloxy -2- hydroxyl -
Component including 1- propane sulfonic acid, acrylic acid, acrylonitrile is added to the water stirring and dissolving, and then adjusting solution ph is 6~7, simultaneously
60~75 DEG C of waters bath with thermostatic control are heated to be kept for 1~1.5 hour；In an inert atmosphere, the temperature to aqueous solution in reactor reaches
After 60~75 DEG C, initiator is added under stirring, is reacted under constant temperature stirring, cooled to room temperature, obtains described
High-temperature resisting and salt-resisting oil-well cement filtrate reducer.
3. the preparation method of high-temperature resisting and salt-resisting fluid loss agent according to claim 1 or 2, includes the following steps：
It will include the 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethacrylamide, 3- allyloxy -2- hydroxyl -
Component including 1- propane sulfonic acid, acrylic acid, acrylonitrile is added to the water stirring and dissolving, and then adjusting solution ph is 6~7, simultaneously
60~75 DEG C of waters bath with thermostatic control are heated to be kept for 1~1.5 hour；In an inert atmosphere, the temperature to aqueous solution in reactor reaches
After 60~75 DEG C, initiator is added under stirring, is reacted under constant temperature stirring, cooled to room temperature, obtains described
High-temperature resisting and salt-resisting oil-well cement filtrate reducer.
4. the preparation method of high-temperature resisting and salt-resisting fluid loss agent according to claim 3, it is characterised in that：It is with the dosage of water
100 parts by weight meters, the dosage of the component are：
5. the preparation method of high-temperature resisting and salt-resisting fluid loss agent according to claim 3, it is characterised in that：
The initiator includes Oxidizing and Reducing Agents；In terms of being 100 parts by weight by the water, the dosage of the oxidant is 0.1
~0.3 parts by weight；The dosage of the reducing agent is 0.1~0.3 parts by weight；The oxidant is selected from ammonium persulfate, potassium peroxydisulfate
At least one of；The reducing agent is selected from sodium hydrogensulfite.
6. the preparation method of high-temperature resisting and salt-resisting fluid loss agent according to claim 3, it is characterised in that：
In an inert atmosphere, after the temperature of aqueous solution in reactor reaches 60~75 DEG C, draw described in addition under stirring
Agent is sent out, the constant temperature stirring lower reaction time is 3~3.5 hours.
7. high-temperature resisting and salt-resisting fluid loss agent according to claim 1 or 2 or by any one according to claim 3~6
Application of the high-temperature resisting and salt-resisting fluid loss agent in oil well cement paste made from the method.
8. application according to claim 7, which is characterized in that the temperature range of the application is 20~180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377922.8A CN108929405A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377922.8A CN108929405A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108929405A true CN108929405A (en) | 2018-12-04 |
Family
ID=64450847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710377922.8A Pending CN108929405A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108929405A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218263A (en) * | 2020-02-27 | 2020-06-02 | 成都欧美克石油科技股份有限公司 | Novel drag reducer for oil well cement and preparation method thereof |
| CN115895616A (en) * | 2021-09-30 | 2023-04-04 | 中石化石油工程技术服务有限公司 | A kind of anti-high temperature anti-salt anti-salt fluid loss reducing agent suitable for deep layer and its preparation method and application |
| CN119708335A (en) * | 2024-12-23 | 2025-03-28 | 四川弘晟石油工程技术服务有限公司 | Oil well cement fluid loss agent without thickening time and inverted hanging and preparation method thereof |
| CN119735739A (en) * | 2024-12-23 | 2025-04-01 | 四川弘晟石油工程技术服务有限公司 | Critical temperature-sensitive salt-enhanced ultra-high temperature oil well cement fluid loss agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229408C (en) * | 2000-12-08 | 2005-11-30 | 赫尔克里士公司 | Polymeric fluid loss additive and method of use thereof |
| CN102127406A (en) * | 2010-12-16 | 2011-07-20 | 江苏傲伦达科技实业股份有限公司 | Filtration-reducing agent for synthetic polymer oil-well cement |
| CN102382245A (en) * | 2011-08-11 | 2012-03-21 | 中国海洋石油总公司 | High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof |
| CN102675799A (en) * | 2012-05-02 | 2012-09-19 | 陆明富 | Preparation method for filtrate reducer used for drilling fluid |
-
2017
- 2017-05-25 CN CN201710377922.8A patent/CN108929405A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229408C (en) * | 2000-12-08 | 2005-11-30 | 赫尔克里士公司 | Polymeric fluid loss additive and method of use thereof |
| CN102127406A (en) * | 2010-12-16 | 2011-07-20 | 江苏傲伦达科技实业股份有限公司 | Filtration-reducing agent for synthetic polymer oil-well cement |
| CN102382245A (en) * | 2011-08-11 | 2012-03-21 | 中国海洋石油总公司 | High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof |
| CN102675799A (en) * | 2012-05-02 | 2012-09-19 | 陆明富 | Preparation method for filtrate reducer used for drilling fluid |
Non-Patent Citations (1)
| Title |
|---|
| CONSTANTIN TIEMEYER等: "Synthesis, Characterization, and Working Mechanism of a Synthetic High Temperature (2008C) Fluid Loss Polymer for Oil Well Cementing Containing Allyloxy-2-hydroxy Propane Sulfonic (AHPS) Acid Monomer", 《JOURNAL OF APPLIED POLYMER SCIENCE》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218263A (en) * | 2020-02-27 | 2020-06-02 | 成都欧美克石油科技股份有限公司 | Novel drag reducer for oil well cement and preparation method thereof |
| CN111218263B (en) * | 2020-02-27 | 2022-07-01 | 成都欧美克石油科技股份有限公司 | Drag reducer for oil well cement |
| CN115895616A (en) * | 2021-09-30 | 2023-04-04 | 中石化石油工程技术服务有限公司 | A kind of anti-high temperature anti-salt anti-salt fluid loss reducing agent suitable for deep layer and its preparation method and application |
| CN119708335A (en) * | 2024-12-23 | 2025-03-28 | 四川弘晟石油工程技术服务有限公司 | Oil well cement fluid loss agent without thickening time and inverted hanging and preparation method thereof |
| CN119735739A (en) * | 2024-12-23 | 2025-04-01 | 四川弘晟石油工程技术服务有限公司 | Critical temperature-sensitive salt-enhanced ultra-high temperature oil well cement fluid loss agent and preparation method thereof |
| CN119708335B (en) * | 2024-12-23 | 2025-07-18 | 四川弘晟石油工程技术服务有限公司 | Oil well cement fluid loss agent without thickening time and inverted hanging and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102191027B (en) | High-temperature-resistant dispersed fluid loss agent for oil well cement and preparation method thereof | |
| CN108929405A (en) | A kind of high-temperature resisting and salt-resisting fluid loss agent and its preparation method and application | |
| Abbas et al. | Improving oil well cement slurry performance using hydroxypropylmethylcellulose polymer | |
| CN104448136A (en) | Preparation method of while-drilling plugging fluid for oil-based drilling fluid | |
| EP0217608A2 (en) | Cementing boreholes using salt-containing cement compositions | |
| CN111808231A (en) | High-temperature stabilizer for thermal-tackifying copolymer cement paste and preparation method thereof | |
| US5421879A (en) | Cement set retarding additives, compositions and methods | |
| CN112358864B (en) | Nano emulsion acid system and preparation method and application thereof | |
| CN108117621B (en) | Tackifying calcium salt resistant polymer filtrate reducer and preparation method thereof | |
| US8020618B2 (en) | Solid gas migration control additives based on latex powders for cementing applications | |
| CN105646793A (en) | Low hydration heat early strength cement fluid loss reducer for oil-gas well cementing and preparation method | |
| CN105567189A (en) | Emulsion leaking stopping agent and preparing method thereof | |
| CN106632917B (en) | Preparation method of polymer fluid loss agent for sulphoaluminate cement | |
| CN108794696A (en) | A kind of drag reducer, preparation method and applications | |
| CN103013481B (en) | A kind of Upside-down-hanging-wide-temperate-zone wide-temperate-zone oil well cement retarder | |
| CN106467728A (en) | A kind of anti-pollutant and preparation method thereof and a kind of water-based insulating liquid | |
| CN107814876A (en) | A kind of preparation method, retarder and the application of oil gas well cementing operation retarder | |
| CN111876138B (en) | Carbon-based tackifier and its preparation method and application | |
| US12509620B1 (en) | Polycarboxylate thinner for carbonate/bicarbonate contamination resistant water-based drilling fluid and preparation method and application thereof | |
| CA2127346C (en) | Set retarded cement compositions, additives and methods | |
| CN110305649A (en) | A kind of ternary atactic copolymer viscous crude oil displacement agent and preparation method thereof | |
| CN119081002B (en) | A low-viscosity, heat-resistant acid retarder and its preparation method | |
| CN106146732B (en) | A kind of cement filter loss-reducing agent for oil well and its preparation method and application | |
| CN116589641B (en) | Polyacrylamide microsphere emulsion and preparation method thereof | |
| CN102643633A (en) | High-temperature and anti-salt gas-channeling-preventing agent and manufacturing 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181204 |