CN103725270A - Lubricating agent for drilling fluid and preparation method thereof - Google Patents
Lubricating agent for drilling fluid and preparation method thereof Download PDFInfo
- Publication number
- CN103725270A CN103725270A CN201410020270.9A CN201410020270A CN103725270A CN 103725270 A CN103725270 A CN 103725270A CN 201410020270 A CN201410020270 A CN 201410020270A CN 103725270 A CN103725270 A CN 103725270A
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- Prior art keywords
- drilling
- drilling fluid
- lubricating agent
- oil
- preparation
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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
- C09K8/035—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
- 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)
- Lubricants (AREA)
Abstract
The invention discloses a lubricating agent for a drilling fluid and a preparation method thereof. The invention aims to design a lubricating agent for a drilling fluid which is low in cost and does not pollute the environment. According to the technical scheme, the lubricating agent for a drilling fluid comprises vegetable oil and methanol, wherein the vegetable oil accounts for 70-90 percent of the weight of the components, and the methanol accounts for 10-30 percent of the weight of the components. The method for preparing the lubricating agent for a drilling fluid comprises the following steps: heating the selected vegetable oil to 100-110 DEG C, slowly adding the selected methanol, uniformly stirring, continuously heating for 3-4 hours, stopping heating, naturally cooling the mixed liquid to be 30 DEG C or below, and finishing the preparation. The lubricating agent for a drilling fluid has the advantages of stable performance, no toxicity, easy biodegradation and slight environmental pollution, the friction between the wall of a well and a drilling tool can be effectively reduced, the drilling production cost is reduced, and the drilling production efficiency is improved.
Description
Technical field
The present invention relates to petroleum drilling fluid field, particularly a kind of lubricant for drilling fluids and preparation method thereof.
Background technology
Drilling fluid is a kind of working fluid that can carry the multiple effects such as drilling cuttings, cooling and lubricating drill bit, equilibrium strata pressure, protection wellbore stability and protection oil reservoir preserve from drilling process; its performance directly has influence on drilling efficiency, downhole safety and cost control, is the important component part of drilling engineering technology.And lubricant for drilling fluid is a kind of important drilling fluid chemical processing agent, its effect is to improve drilling fluid lubricating, reduces the friction between the borehole wall and drilling tool, reduces drill string rotating moment of torsion and the resistance that makes a trip, thereby reduces the generation of lock of tool drilling.
In recent years, due to the development of drilling technique, drilling fluid lubricating performance is had higher requirement.Now with lubricator many employing mineral oil allotment forms, because the biological degradability of mineral generation is poor, environmental pollution is serious, along with the continuous enhancing of mankind's environmental consciousness, environmental requirement to lubricant is also more and more higher, in the urgent need to developing environment amenable lubricant.
Summary of the invention
The object of the invention is to design a kind of cost lubricant for drilling fluids lower, free from environmental pollution.
Technical scheme of the present invention is that a kind of lubricant for drilling fluids, is characterized in that: lubricant for drilling fluids comprises vegetables oil and methyl alcohol, and the composition by weight of described vegetables oil is 70-90%, and the composition by weight of methyl alcohol is 10-30%.Described vegetables oil is: soybean oil, peanut oil, rapeseed oil or sewer oil.
A preparation method for lubricant for drilling fluids, is characterized in that: the vegetables oil of choosing is heated to 100-110 ℃, more slowly add the methyl alcohol of choosing, after uniform stirring, continuous heating 3-4 hour, stops after heating, liquid after to be mixed naturally cools to below 30 ℃, completes preparation.
The present invention has advantages of that stable performance, nontoxic, readily biodegradable and environmental pollution are little, can effectively reduce the friction between the borehole wall and drilling tool, has reduced drilling well production cost, has improved the production efficiency of drilling well.
Embodiment:
Embodiment 1,
The present invention selects vegetables oil, and described vegetables oil is peanut oil, 70% weight part that the weight of peanut oil is whole quality product, then choose and add 30% methyl alcohol that accounts for whole quality product; First the peanut oil of choosing is heated to 100 ℃, more slowly add the methyl alcohol of choosing, after uniform stirring, continuous heating 3 hours, stops after heating, and the liquid after to be mixed naturally cools to 30 ℃, completes preparation.
Embodiment 2,
The present invention selects vegetables oil, and described vegetables oil is rapeseed oil, 80% weight part that the weight of rapeseed oil is whole quality product, then choose and add 20% methyl alcohol that accounts for whole quality product; First the rapeseed oil of choosing is heated to 110 ℃, more slowly add the methyl alcohol of choosing, after uniform stirring, continuous heating 3.5 hours, stops after heating, and the liquid after to be mixed naturally cools to 28 ℃, completes preparation.
Embodiment 3,
The present invention selects vegetables oil, and described vegetables oil is sewer oil, 90% weight part that the weight of sewer oil is whole quality product, then choose and add 10% methyl alcohol that accounts for whole quality product; First the sewer oil of choosing is heated to 105 ℃, more slowly add the methyl alcohol of choosing, after uniform stirring, continuous heating 4 hours, stops after heating, and the liquid after to be mixed naturally cools to 27 ℃, completes preparation.
Embodiment 4,
The present invention selects vegetables oil, and described vegetables oil is soybean oil, 85% weight part that the weight of soybean oil is whole quality product, then choose and add 15% methyl alcohol that accounts for whole quality product; First the soybean oil of choosing is heated to 107 ℃, more slowly add the methyl alcohol of choosing, after uniform stirring, continuous heating 3.5 hours, stops after heating, and the liquid after to be mixed naturally cools to 28 ℃, completes preparation.
The present invention has advantages of that stable performance, nontoxic, readily biodegradable and environmental pollution are little, can effectively reduce the friction between the borehole wall and drilling tool, has reduced drilling well production cost, has improved the production efficiency of drilling well.
Claims (3)
1. a lubricant for drilling fluids, is characterized in that: lubricant for drilling fluids comprises vegetables oil and methyl alcohol, and the composition by weight of described vegetables oil is 70-90%, and the composition by weight of methyl alcohol is 10-30%.
2. a kind of lubricant for drilling fluids as claimed in claim 1, is characterized in that: described vegetables oil is: soybean oil, peanut oil, rapeseed oil or sewer oil.
3. the preparation method of a lubricant for drilling fluids, it is characterized in that: the vegetables oil of choosing is heated to 100-110 ℃, slowly add again the methyl alcohol of choosing, after uniform stirring, continuous heating 3-4 hour, stop after heating, the liquid after to be mixed naturally cools to below 30 ℃, completes preparation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410020270.9A CN103725270A (en) | 2014-01-17 | 2014-01-17 | Lubricating agent for drilling fluid and preparation method thereof |
Applications Claiming Priority (1)
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CN201410020270.9A CN103725270A (en) | 2014-01-17 | 2014-01-17 | Lubricating agent for drilling fluid and preparation method thereof |
Publications (1)
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CN103725270A true CN103725270A (en) | 2014-04-16 |
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CN201410020270.9A Pending CN103725270A (en) | 2014-01-17 | 2014-01-17 | Lubricating agent for drilling fluid and preparation method thereof |
Country Status (1)
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Cited By (3)
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CN105112028A (en) * | 2015-09-10 | 2015-12-02 | 安徽陆海石油助剂科技有限公司 | Liquid lubricant for drilling fluid |
CN106433579A (en) * | 2016-08-29 | 2017-02-22 | 新疆贝肯能源工程股份有限公司 | Gutter oil stuck freeing spotting liquid and preparation method thereof |
CN109504355A (en) * | 2019-01-14 | 2019-03-22 | 天津市海罗兰科技发展股份有限公司 | Highly-efficient lubricant for drilling fluid and its preparation method and application |
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CN102181272A (en) * | 2011-03-09 | 2011-09-14 | 张清玉 | Anti-collapse and filtration-reducing lubricating agent for drilling fluid, and preparation method and application method thereof |
US20120208725A1 (en) * | 2007-06-22 | 2012-08-16 | Canadian Energy Services, L.P. | Drilling Fluid Additive and Method for Improving Lubricity or Increasing Rate of Penetration in a Drilling Operation |
CN102851004A (en) * | 2012-09-30 | 2013-01-02 | 中国石油集团西部钻探工程有限公司 | Biodegradable lubricant for drilling fluid and preparation method thereof |
CN103305196A (en) * | 2012-03-09 | 2013-09-18 | 长江大学 | Biodiesel-based drilling fluid |
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2014
- 2014-01-17 CN CN201410020270.9A patent/CN103725270A/en active Pending
Patent Citations (4)
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US20120208725A1 (en) * | 2007-06-22 | 2012-08-16 | Canadian Energy Services, L.P. | Drilling Fluid Additive and Method for Improving Lubricity or Increasing Rate of Penetration in a Drilling Operation |
CN102181272A (en) * | 2011-03-09 | 2011-09-14 | 张清玉 | Anti-collapse and filtration-reducing lubricating agent for drilling fluid, and preparation method and application method thereof |
CN103305196A (en) * | 2012-03-09 | 2013-09-18 | 长江大学 | Biodiesel-based drilling fluid |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105112028A (en) * | 2015-09-10 | 2015-12-02 | 安徽陆海石油助剂科技有限公司 | Liquid lubricant for drilling fluid |
CN106433579A (en) * | 2016-08-29 | 2017-02-22 | 新疆贝肯能源工程股份有限公司 | Gutter oil stuck freeing spotting liquid and preparation method thereof |
CN106433579B (en) * | 2016-08-29 | 2019-04-09 | 新疆贝肯能源工程股份有限公司 | Waste oil jam solution and preparation method thereof |
CN109504355A (en) * | 2019-01-14 | 2019-03-22 | 天津市海罗兰科技发展股份有限公司 | Highly-efficient lubricant for drilling fluid and its preparation method and application |
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Application publication date: 20140416 |