CN111154463A - Lubricating liquid for grouting and drilling and preparation method thereof - Google Patents
Lubricating liquid for grouting and drilling and preparation method thereof Download PDFInfo
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- CN111154463A CN111154463A CN201911382988.1A CN201911382988A CN111154463A CN 111154463 A CN111154463 A CN 111154463A CN 201911382988 A CN201911382988 A CN 201911382988A CN 111154463 A CN111154463 A CN 111154463A
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- lubricating fluid
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- grouting
- drilling
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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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/032—Inorganic 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a lubricating liquid for grouting drilling, which is characterized in that the formula of the lubricating liquid is as follows: 0.4 to 0.6 percent of solid lubricant; 0.4 to 0.6 percent of composite ionic macromolecular polymer; 0.1 to 0.15 percent of composite polymer diluent; 0.2 to 0.3 percent of polymer fluid loss agent; 0.2 to 5.0 percent of filtrate loss regulator; 1.0 to 2.0 percent of fluidity regulator; 0.3 to 0.5 percent of cleaning agent. The lubricating liquid does not reduce the efficiency of rock breaking. Does not corrode metal and does not damage the sealing material. Besides improving the service life and the working index of the drilling tool, the analysis and evaluation of the formation data should not be influenced. No environmental pollution and easy biodegradation.
Description
Technical Field
The invention belongs to the field of fine chemicals, and particularly relates to lubricating liquid for grouting drilling and a preparation method thereof.
Background
The drilling and grouting process is to convey different grout materials to various complex stratums through a grouting pipe, so as to play roles in filling, consolidation, reinforcement, compaction, extrusion, expansion, cementation and the like.
During drilling, lubricating flushing liquid is used or lubricant is coated on the surface of the drilling tool to reduce the transverse vibration force generated during rotation of the drilling tool, increase the rotation speed of the drilling tool and reduce the wear of the drilling tool.
Therefore, it is urgently needed to develop a lubricating liquid suitable for being used in the grouting drilling process aiming at the particularity of the grouting drilling.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the invention provides lubricating liquid for grouting and drilling and a preparation method thereof.
The technical scheme is as follows: the lubricating liquid for grouting drilling disclosed by the invention comprises the following components in parts by weight:
the percentage is mass content.
Specifically, the solid lubricant is elastic graphite.
Specifically, the composite ionic macromolecular polymer is polyacrylamide. The composite polymer diluent is sodium gallate and a copolymer of sodium acrylate and sodium propylene sulfonate. The polymer fluid loss agent is vinyl formamide:
specifically, the fluid loss regulator is sulfonated asphalt, and the fluidity regulator is ultrafine calcium carbonate.
Specifically, the mud cleaning agent is a mixture of sodium dodecyl benzene sulfonate, span-80 and OP-10.
More specifically, the elastic graphite of the present invention is obtained by the following method: heating heavy asphalt to obtain a carbonaceous intermediate phase, adding a mixed solution of sulfuric acid and concentrated nitric acid, heating for thermal nitration to obtain a nitrated carbonaceous intermediate phase, adding strong base to enable the pH value to be greater than 12, gradually adjusting the pH value until the pH value is less than 2 to obtain a mud precipitate, filtering, drying to obtain a water-soluble carbonaceous intermediate phase, heating to expand and foam the carbonaceous intermediate phase, and graphitizing at the temperature of more than 2400 ℃ to obtain the elastic graphite.
The elastic graphite obtained by the invention is nontoxic and non-corrosive, and cannot block a mud motor under high concentration; it does not disperse significantly in the lubricating fluid even at high shear rates. In addition, it has no influence on the dynamic and static shearing forces of lubricating liquid and has excellent compatibility with various fibrous and mineral mixtures.
In addition, the invention also discloses a preparation method of the lubricating liquid for grouting and drilling, which comprises the steps of firstly preparing the raw materials according to the proportion, then adding the composite ionic macromolecular polymer and the composite polymer diluent into water, then adding the polymer fluid loss agent and the solid lubricant, stirring at a high speed, then adding the fluid loss regulator and the fluidity regulator, heating, continuously stirring, finally adding the cleaning agent, and uniformly stirring to obtain the lubricating liquid.
Specifically, the stirring speed is 300-500 r/min; the heating temperature is 40-50 ℃.
Has the advantages that: the lubricating liquid provided by the invention has the following advantages: can lubricate the surface of metal and form boundary film and secondary structure on the surface. Can have good compatibility with the base pulp. Has good thermal stability and cold resistance stability.
The lubricating liquid does not reduce the efficiency of rock breaking. Does not corrode metal and does not damage the sealing material. Besides improving the service life and the working index of the drilling tool, the analysis and evaluation of the formation data should not be influenced. No environmental pollution and easy biodegradation.
The invention adopts the elastic graphite added into the lubricating liquid, so that the lubricating liquid has the functions of reducing torque, friction resistance and abrasion.
The specific implementation mode is as follows:
to further illustrate the technical solutions of the present invention, the following embodiments are further described with reference to the following specific examples, which are selected for the purpose of illustration and are not intended to limit the application scope of the present invention.
Example 1
The formula is as follows:
firstly, mixing the raw materials according to a ratio, and then, mixing polyacrylamide; sodium gallate; adding the copolymer of sodium acrylate and sodium propylene sulfonate into water, then adding the vinylformamide and the elastic graphite, stirring at a high speed, then adding the sulfonated asphalt and the superfine calcium carbonate, heating, continuously stirring, finally adding the mixture of sodium dodecyl benzene sulfonate, span-80 and OP-10, and uniformly stirring to obtain the modified sulfonated asphalt.
Example 2
The formula is as follows:
firstly, mixing the raw materials according to a ratio, and then, mixing polyacrylamide; sodium gallate; adding the copolymer of sodium acrylate and sodium propylene sulfonate into water, then adding the vinylformamide and the elastic graphite, stirring at a high speed, then adding the sulfonated asphalt and the superfine calcium carbonate, heating, continuously stirring, finally adding the mixture of sodium dodecyl benzene sulfonate, span-80 and OP-10, and uniformly stirring to obtain the modified sulfonated asphalt.
Example 3
The formula is as follows:
firstly, mixing the raw materials according to a ratio, and then, mixing polyacrylamide; sodium gallate; adding the copolymer of sodium acrylate and sodium propylene sulfonate into water, then adding the vinylformamide and the elastic graphite, stirring at a high speed, then adding the sulfonated asphalt and the superfine calcium carbonate, heating, continuously stirring, finally adding the mixture of sodium dodecyl benzene sulfonate, span-80 and OP-10, and uniformly stirring to obtain the modified sulfonated asphalt.
The lubricating fluids obtained in examples 1 to 3 were subjected to performance tests, and the data are as follows:
while the present invention has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the present invention can be practiced by modifying or appropriately changing or combining the processes described herein without departing from the spirit and scope of the present invention. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and content of the invention.
Claims (10)
1. The lubricating fluid for grouting drilling is characterized in that the formula of the lubricating fluid is as follows:
0.4 to 0.6 percent of solid lubricant
0.4 to 0.6 percent of composite ionic macromolecular polymer
0.1 to 0.15 percent of composite polymer diluent
0.2 to 0.3 percent of polymer fluid loss agent
0.2 to 5.0 percent of filtrate loss regulator
1.0 to 2.0 percent of fluidity regulator
0.3 to 0.5 percent of cleaning agent
The balance of water.
2. The lubricating fluid for grouting drilling according to claim 1, wherein the solid lubricant is elastic graphite.
3. The lubricating fluid for grouting drilling of claim 1, wherein the composite ionic macromolecular polymer is polyacrylamide.
4. The lubricating fluid for grouting drilling as claimed in claim 1, wherein the composite polymer diluent is sodium gallate and a copolymer of sodium acrylate and sodium acrylate sulfonate.
5. The lubricating fluid for grouting drilling according to claim 1, wherein the polymer fluid loss additive is vinyl formamide:
6. the lubricating fluid for grouting drilling as claimed in claim 1, wherein the fluid loss control agent is sulfonated asphalt,
7. the lubricating fluid for grouting drilling according to claim 1, wherein the fluidity modifier is ultrafine calcium carbonate.
8. The lubricating fluid for grouting drilling according to claim 1, wherein the elastic graphite is obtained by the following method: heating heavy asphalt to obtain a carbonaceous intermediate phase, adding a mixed solution of sulfuric acid and concentrated nitric acid, heating for thermal nitration to obtain a nitrated carbonaceous intermediate phase, adding strong base to enable the pH value to be greater than 12, gradually adjusting the pH value until the pH value is less than 2 to obtain a mud precipitate, filtering, drying to obtain a water-soluble carbonaceous intermediate phase, heating to expand and foam the carbonaceous intermediate phase, and graphitizing at the temperature of more than 2400 ℃ to obtain the elastic graphite.
9. The method of claim 1, wherein the lubricating fluid for grouting and drilling is prepared by mixing the raw materials at a given ratio, adding the composite ionic macromolecular polymer and the composite polymer diluent to water, adding the polymer fluid loss agent and the solid lubricant, stirring at a high speed, adding the fluid loss control agent and the fluidity control agent, heating, continuously stirring, and adding the cleaning agent.
10. The method for producing a lubricating fluid for grouting drilling according to claim 9, characterized in that the stirring speed is 300 to 500 revolutions/min; the heating temperature is 40-50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382988.1A CN111154463A (en) | 2019-12-27 | 2019-12-27 | Lubricating liquid for grouting and drilling and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382988.1A CN111154463A (en) | 2019-12-27 | 2019-12-27 | Lubricating liquid for grouting and drilling and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111154463A true CN111154463A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911382988.1A Pending CN111154463A (en) | 2019-12-27 | 2019-12-27 | Lubricating liquid for grouting and drilling and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368772A (en) * | 2022-08-31 | 2022-11-22 | 广东合正科技有限公司 | Environment-friendly lubricating auxiliary material agent for drilling circuit board base plate and preparation method thereof |
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| CN105524600A (en) * | 2016-02-24 | 2016-04-27 | 中石化重庆涪陵页岩气勘探开发有限公司 | Plugging while drilling agent for oil-based drilling fluid and preparation method of plugging while drilling agent |
| CN105969323A (en) * | 2016-06-03 | 2016-09-28 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | High-density water-based drilling fluid for shale gas horizontal well |
| CN106381135A (en) * | 2016-08-29 | 2017-02-08 | 中国地质大学（北京） | High-temperature-resistant low-filtration retaining wall water-based drilling fluid |
| CN108793150A (en) * | 2018-08-08 | 2018-11-13 | 天津渤海中联石油科技有限公司 | A kind of elastic graphite and preparation method thereof |
| CN113355064A (en) * | 2021-06-22 | 2021-09-07 | 西南石油大学 | Strong-adsorption salt-resistant plugging agent based on elastic graphite and water-based drilling fluid |
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2019
- 2019-12-27 CN CN201911382988.1A patent/CN111154463A/en active Pending
Patent Citations (5)
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| CN105524600A (en) * | 2016-02-24 | 2016-04-27 | 中石化重庆涪陵页岩气勘探开发有限公司 | Plugging while drilling agent for oil-based drilling fluid and preparation method of plugging while drilling agent |
| CN105969323A (en) * | 2016-06-03 | 2016-09-28 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | High-density water-based drilling fluid for shale gas horizontal well |
| CN106381135A (en) * | 2016-08-29 | 2017-02-08 | 中国地质大学（北京） | High-temperature-resistant low-filtration retaining wall water-based drilling fluid |
| CN108793150A (en) * | 2018-08-08 | 2018-11-13 | 天津渤海中联石油科技有限公司 | A kind of elastic graphite and preparation method thereof |
| CN113355064A (en) * | 2021-06-22 | 2021-09-07 | 西南石油大学 | Strong-adsorption salt-resistant plugging agent based on elastic graphite and water-based drilling fluid |
Non-Patent Citations (5)
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| 山田泰弘 , 藤井政喜 , 汪立: "弹性石墨体的开发", 新型炭材料, no. 03, pages 9 - 11 * |
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| 邱春阳;周建民;张海青;陈二丁;王宝田;: "车古潜山油藏抗高温无固相钻井液技术", 断块油气田, no. 03, pages 122 - 125 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368772A (en) * | 2022-08-31 | 2022-11-22 | 广东合正科技有限公司 | Environment-friendly lubricating auxiliary material agent for drilling circuit board base plate and preparation method thereof |
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