CN111484701A - TPE (thermoplastic elastomer) elastomer material for plugging water hole in oilfield engineering - Google Patents
TPE (thermoplastic elastomer) elastomer material for plugging water hole in oilfield engineering Download PDFInfo
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- CN111484701A CN111484701A CN202010442197.XA CN202010442197A CN111484701A CN 111484701 A CN111484701 A CN 111484701A CN 202010442197 A CN202010442197 A CN 202010442197A CN 111484701 A CN111484701 A CN 111484701A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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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
- C09K8/426—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for plugging
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention relates to a TPE (thermoplastic elastomer) elastomer material for plugging water holes in oilfield engineering, which comprises the following components in percentage by mass: 10% -30% of hydrogenated styrene butadiene styrene copolymer; 50% -70% of processing oil; TPV10% -20%; 10-30% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The TPE elastomer can be used as a plugging agent used in oil field oil exploitation engineering, is used for plugging water holes on the side wall of an underground oil well, prevents water in deep soil from permeating into a main oil duct of the oil well, prevents the oil duct from collapsing, plays a role in assisting in oil exploitation, has better flexibility, low hardness, large elasticity, proper specific gravity, high temperature resistance (100 ℃), is easy to plug the water holes, can effectively inhibit water seepage in a well, and can be mixed into other plugging slurry to be used for construction or maintenance of plugging, water stopping, rush repair, perfusion and seepage prevention projects of tunnel (underground, underwater and quicksand) engineering.
Description
Technical Field
The invention relates to the technical field of oil field petroleum exploitation application materials, in particular to a TPE (thermoplastic elastomer) soft rubber granular material for plugging water holes in oil field petroleum exploitation in oil field engineering.
Background
The petroleum occupies an important role as an important energy source in national economy all the time, the petroleum is deeply buried in an underground oil storage layer, so that the petroleum exploitation has great difficulty, holes among rock fragments in the oil storage layer, cracks in rock cracks and holes formed by the corrosion action are used as an oil storage space and an oil outlet channel, but channels for the underground water to enter the oil storage layer and an oil well are provided for the underground water, the underground oil well is easy to collapse due to the enrichment and the permeation of the underground water in the petroleum exploitation process, and therefore, a novel material capable of effectively plugging water holes is needed to be designed.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a TPE (thermoplastic elastomer) elastomer material for plugging water holes in oilfield engineering.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the TPE elastomer material for plugging water holes in oilfield engineering comprises the following components in percentage by mass: 10% -30% of hydrogenated styrene butadiene styrene copolymer; 50% -70% of processing oil; TPV10% -20%; 10-30% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min.
In the technical scheme, the processing oil is one or a mixture of more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil;
in the technical scheme, the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg.
In the technical scheme, the calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
In the technical scheme, the preparation method of the TPE elastomer material comprises the following steps: adding processing oil and hydrogenated styrene butadiene styrene copolymer (SEBS) into a stirring cylinder, stirring at a low speed to ensure that the hydrogenated styrene butadiene styrene copolymer absorbs oil, adding TPV into the stirring cylinder, stirring at a low speed to ensure that the TPV absorbs oil, stirring at a high speed to ensure that the TPV, the TPV and the TPV are uniformly stirred, adding calcium carbonate powder into the stirring cylinder, stirring at a high speed to uniformly stir, pouring into a feeding cylinder of a double-screw extruder, and granulating and molding an adhesive tape extruded by the double-screw extruder into TPE elastomer material particles through a water ring cutting granulator.
The TPE elastomer soft rubber particles can be used as a plugging agent used in oil field oil exploitation engineering, can be used for plugging water holes in the side wall of an underground oil well, can prevent water in deep soil from permeating into a main oil duct of the oil well, can prevent the oil duct from collapsing, and has the effect of assisting in oil exploitation.
Detailed Description
The following describes specific embodiments of the present invention.
The first embodiment is that a TPE (thermoplastic elastomer) elastomer material for plugging water holes in oilfield engineering is composed of the following components in percentage by mass: hydrogenated styrene butadiene styrene copolymer 10%; 70% of processing oil; TPV 10%; 10% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min. The processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil; the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
The second embodiment is a TPE (thermoplastic elastomer) elastomer material for plugging water holes in oilfield engineering, and the TPE elastomer material consists of the following components in percentage by mass: hydrogenated styrene butadiene styrene copolymer 20%; 60% of processing oil; TPV 10%; 10% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min. The processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil; the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
The third embodiment is a TPE (thermoplastic elastomer) elastomer material for plugging water holes in oilfield engineering, which is composed of the following components in percentage by mass: hydrogenated styrene butadiene styrene copolymer 30%; 50% of processing oil; TPV 10%; 10% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min. The processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil; the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
The fourth embodiment is that the TPE elastomer material for plugging water holes in oilfield engineering consists of the following components in percentage by mass: hydrogenated styrene butadiene styrene copolymer 10%; 50% of processing oil; TPV 20%; 20% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min. The processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil; the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
The TPE elastomer material for plugging water holes in oilfield engineering comprises the following components in percentage by mass: hydrogenated styrene butadiene styrene copolymer 10%; 50% of processing oil; TPV 10%; 30% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min. The processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil; the TPV is thermoplastic dynamic vulcanized rubber, the Shore hardness of the TPV is less than or equal to 50A, and the melt index of the TPV is more than or equal to 5g/10min at 190 ℃ and 2.16 Kg. The calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and superfine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
The preparation method of the TPE elastomer material comprises the following steps: adding processing oil and hydrogenated styrene butadiene styrene copolymer (SEBS) into a stirring cylinder, stirring at a low speed to ensure that the hydrogenated styrene butadiene styrene copolymer absorbs oil, adding TPV into the stirring cylinder, stirring at a low speed to ensure that the TPV absorbs oil, stirring at a high speed to ensure that the TPV, the TPV and the TPV are uniformly stirred, adding calcium carbonate powder into the stirring cylinder, stirring at a high speed to uniformly stir, pouring into a feeding cylinder of a double-screw extruder, and granulating and molding an adhesive tape extruded by the double-screw extruder into TPE elastomer material particles through a water ring cutting granulator.
The processing oil is used as a solvent, KN4006 naphthenic oil or paraffin oil is preferably selected, so that the hydrogenated styrene butadiene styrene copolymer can be diffused but is not dissolved in the solvent, the hydrogenated styrene butadiene styrene copolymer and TPV generate a swelling phenomenon, the TPE has good oil resistance through the hydrogenated styrene butadiene styrene copolymer and the TPV, calcium carbonate is used as a filler, the filler is controlled within 30%, and the elasticity and the tensile property of the TPE are ensured.
The TPE elastomer soft rubber particles can be used as a plugging agent used in oil field oil exploitation engineering, can be used for plugging water holes on the side wall of an underground oil well, can prevent water in deep soil from permeating into a main oil duct of the oil well, can prevent the oil duct from collapsing, and has the effect of assisting in oil exploitation.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (4)
1. The TPE elastomer material for plugging water holes in oilfield engineering is characterized by comprising the following components in percentage by mass: 10% -30% of hydrogenated styrene butadiene styrene copolymer; 50% -70% of processing oil; TPV10% -20%; 10-30% of calcium carbonate powder; the Shore hardness of the hydrogenated styrene butadiene styrene copolymer is less than or equal to 30A, and the melt index of the hydrogenated styrene butadiene styrene copolymer at 190 ℃ and 2.16Kg is more than or equal to 5g/10 min.
2. The TPE elastomer material for plugging water holes in oilfield engineering according to claim 1, wherein the processing oil is one or more of 150N naphthenic oil, 300 naphthenic oil, 500 naphthenic oil, KN4010 naphthenic oil, KN4006 naphthenic oil, paraffin oil and white oil;
the TPE elastomer material for plugging water holes in oilfield engineering as claimed in claim 2, wherein the TPV is thermoplastic dynamic vulcanized rubber with Shore hardness less than or equal to 50A and melt index greater than or equal to 5g/10min at 190 ℃ and 2.16 Kg.
3. The TPE elastomer material for plugging water holes in oilfield engineering according to claim 3, wherein the calcium carbonate powder is one or more of light calcium carbonate, heavy calcium carbonate and ultrafine calcium carbonate, and the mesh number of the calcium carbonate powder is 1000-3000 meshes.
4. The TPE elastomer material for plugging water pores in oilfield engineering, according to any one of claims 1 to 4, is prepared by a method comprising the following steps: adding processing oil and hydrogenated styrene butadiene styrene copolymer (SEBS) into a stirring cylinder, stirring at a low speed to ensure that the hydrogenated styrene butadiene styrene copolymer absorbs oil, adding TPV into the stirring cylinder, stirring at a low speed to ensure that the TPV absorbs oil, stirring at a high speed to ensure that the TPV, the TPV and the TPV are uniformly stirred, adding calcium carbonate powder into the stirring cylinder, stirring at a high speed to uniformly stir, pouring into a feeding cylinder of a double-screw extruder, and granulating and molding an adhesive tape extruded by the double-screw extruder into TPE elastomer material particles through a water ring cutting granulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442197.XA CN111484701A (en) | 2020-05-22 | 2020-05-22 | TPE (thermoplastic elastomer) elastomer material for plugging water hole in oilfield engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442197.XA CN111484701A (en) | 2020-05-22 | 2020-05-22 | TPE (thermoplastic elastomer) elastomer material for plugging water hole in oilfield engineering |
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| CN111484701A true CN111484701A (en) | 2020-08-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375394A (en) * | 2020-11-08 | 2021-02-19 | 北京化工大学 | Lipophilic easily-deformable high-blocking deformation particles and preparation |
| CN113320182A (en) * | 2021-06-11 | 2021-08-31 | 深圳市阳林五金塑胶制品有限公司 | Adhesive tape preparation method and adhesive tape structure |
| CN113403048A (en) * | 2021-06-19 | 2021-09-17 | 甘肃中科聚合石油科技有限公司 | Novel super-elastic nano-micron deep profile control and water shutoff material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070875A1 (en) * | 2000-03-24 | 2001-09-27 | Asahi Chemical Synthetic Co., Ltd. | Process for producing thermoplastic styrene elastomer composition |
-
2020
- 2020-05-22 CN CN202010442197.XA patent/CN111484701A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070875A1 (en) * | 2000-03-24 | 2001-09-27 | Asahi Chemical Synthetic Co., Ltd. | Process for producing thermoplastic styrene elastomer composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375394A (en) * | 2020-11-08 | 2021-02-19 | 北京化工大学 | Lipophilic easily-deformable high-blocking deformation particles and preparation |
| CN113320182A (en) * | 2021-06-11 | 2021-08-31 | 深圳市阳林五金塑胶制品有限公司 | Adhesive tape preparation method and adhesive tape structure |
| CN113403048A (en) * | 2021-06-19 | 2021-09-17 | 甘肃中科聚合石油科技有限公司 | Novel super-elastic nano-micron deep profile control and water shutoff material and preparation method thereof |
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