CN105368410A - Lubricant for drilling fluid - Google Patents
Lubricant for drilling fluid Download PDFInfo
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- CN105368410A CN105368410A CN201510845246.3A CN201510845246A CN105368410A CN 105368410 A CN105368410 A CN 105368410A CN 201510845246 A CN201510845246 A CN 201510845246A CN 105368410 A CN105368410 A CN 105368410A
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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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
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- Chemical & Material Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a lubricant for drilling fluid and belongs to the technical field of chemical agents for petroleum drilling engineering. The lubricant for the drilling fluid contains the following ingredients in parts by weight: 35-90 parts of vegetable oil, 10-25 parts of synthesized ester type oily agent, 9-21 parts of emulsifier, 3-8 parts of extreme-pressure antiwear agent, 6-18 parts of organic molybdenum compound, 10-12 parts of nano metal powder, 7-15 parts of dispersant, 5-9 parts of graphite powder, 3-8 parts of antifoamer, 4-7 parts of surfactant and 4-8 parts of antioxidant. According to the lubricant for the drilling fluid, disclosed by the invention, the vegetable oil serves as a main raw material, and other additives are added as adjuvants, so that the lubricating property of the drilling fluid can be remarkably improved after the lubricant is added into the drilling fluid; and meanwhile, the lubricant has high-temperature and high-pressure resisting characteristics and antiwear and antifriction properties and is free of a mineral oil ingredient, and the additives are also free of sulfur and phosphorus, so that the lubricant is environment-friendly.
Description
Technical field
The invention belongs to petroleum drilling engineering chemical agent technical field, particularly relate to a kind of lubricant for drilling fluids.
Background technology
Lubricant is widely used in the industries such as mechanical workout, communications and transportation, metallurgy, coal, building; various types of mechanically to reduce friction as being used in; the liquid lubricant of protection machinery and workpiece; lubricant is mainly used in reducing the friction between moving parts surface, machinery equipment is had to cooling, sealing, anticorrosion, antirust, insulation, power transmission, cleans the effects such as impurity simultaneously.Although the function of lubricant is all the same, the lubricant used by different industries due to the product of application different, so the formation component of lubricant also can difference to some extent.
In oil-field development industry, the lubricity of drilling fluid is very large to drilling well work influence, therefore for the lubricant in drilling fluid, requirement can enable drilling fluid reduce the moment of torsion of drilling tool, wearing and tearing and fatigue, extend the work-ing life of bit bearing, prevent from adhering to bit freezing, reducing ball-up simultaneously, be easy to process down-hole accident etc.A lot of class can be divided into for lubricant for drilling fluid, have mineral oils, also have animals and plants oils.Wherein mineral oils lubricant due to environmental pollution larger, and fluorescence grade is high, on the analysis of geologic data and impact comparatively large, lose competitive edge gradually.And animals and plants oils has lower fluorescence grade, good lubricity, biodegradable, therefore develop the main trend that vegetables oil is green lubricants research as lubricant base oil.But the lubricant of current most of animals and plants oils does not have the characteristic of high-temperature-resistant high-pressure-resistant, once the situation running into High Temperature High Pressure will be degraded, makes lubricity reduce, and causes the lubricity of drilling fluid to be not enough to reach above-mentioned requirements.Meanwhile, although some drilling fluid vegetable oil lubricating agent has the characteristic of high-temperature-resistant high-pressure-resistant, not there is again well wear-resistant, antifriction performance.
Summary of the invention
The object of the invention is to provide a kind of lubricant for drilling fluids for the above-mentioned defect existing for existing lubricant for drilling fluids, while it has favorable lubricating property, also there is high temperature resistant, high pressure resistant, wear-resistant, antifriction performance.
The object of the invention is to realize by the following technical solutions:
A kind of lubricant for drilling fluids, it comprises following component by weight: vegetables oil 35 ~ 90 parts, synthesis ester type oiliness improver 10 ~ 25 parts, emulsifying agent 9 ~ 21 parts, extreme pressure anti-wear additives 3 ~ 8 parts, organic molybdenum 6-18 part, Nano metal powder 10 ~ 12 parts, dispersion agent 7 ~ 15 parts, Graphite Powder 99 5 ~ 9 parts, defoamer 3 ~ 8 parts, 4 ~ 7 parts, tensio-active agent, oxidation inhibitor 4-8 part.
Preferably, described vegetables oil is selected from one or more in peanut oil, soybean oil, rapeseed oil or Viscotrol C.
Preferably, described synthesis ester type oiliness improver is selected from one or more in tricarboxymethyl propane oleate, octyl stearate, butyl stearate, Ethylhexyl stearate, iso-octyl palmitate or plam oil, when selecting two or more oiliness improver, each oiliness improver component mixes according to the mode of weight ratio 1:1.
Preferably, described emulsifying agent be selected from from fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, aliphatic acid polyethenoxy ether, polyol ester one or more, when selecting two or more emulsifying agent, each emulsifier component mixes according to the mode of weight ratio 1:1.
Preferably, described extreme pressure anti-wear additives is the one in sodium metaborate, potassium metaborate and three potassium borates.
Preferably, molybdenum naphthenate and the alkyl salicylate molybdenum of described organic molybdenum to be weight ratio be 1:2.
Preferably, the granularity of described Nano metal powder is at 35 ~ 45nm.
Preferably, low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of described dispersion agent to be weight ratio be 4:3.
Preferably, described viscosity index improver adopts polymethacrylate or ethylene propylene copolymer.
Owing to have employed technique scheme, the present invention has the following advantages:
The present invention is main raw material with vegetables oil, and the additive being added with other not sulfur-bearing, phosphoric is as auxiliary material, has prepared eco-friendly lubricant for drilling fluids; Simultaneously by the strict weight proportion controlling different additive; make to be interacted between additive to have given play to best effect in the lubricant; and then ensure that the lubricity that drilling fluid is good; allow drilling fluid can form one deck firmly nano protective film in metal surface of drill stem; moment of torsion in effective reduction drilling process and friction resistance; reach protection surface of drill stem, extend the object in drilling tool work-ing life.Meanwhile, lubricant of the present invention can make drilling fluid still can keep good oilness at high temperature under high pressure, and has excellent wear-resistant, antifriction performance.
Embodiment
The technique means realized to make the present invention, creation characteristic, reach object and effect clearly and be easy to understand, below in conjunction with embodiment, the present invention is further elaborated:
The invention provides a kind of lubricant for drilling fluids, it comprises following component by weight: vegetables oil 35 ~ 90 parts, synthesis ester type oiliness improver 10 ~ 25 parts, emulsifying agent 9 ~ 21 parts, extreme pressure anti-wear additives 3 ~ 8 parts, organic molybdenum 6-18 part, Nano metal powder 10 ~ 12 parts, dispersion agent 7 ~ 15 parts, Graphite Powder 99 5 ~ 9 parts, defoamer 3 ~ 8 parts, 4 ~ 7 parts, tensio-active agent, oxidation inhibitor 4-8 part.Visible, lubricant for drilling fluid main component of the present invention is vegetables oil, and all the other to enable the lubricant of acquisition obtain corresponding performance, meet user demand all as the supplementary additive of vegetables oil.
Wherein, extreme pressure anti-wear additives, organic molybdenum make lubricant have good wear-resistant, antifriction performance; Nano metal powder can enable drilling fluid form one deck firmly nano protective film in metal surface of drill stem, effectively reduces the moment of torsion in drilling process and friction resistance; Graphite Powder 99 then can make lubricant have high temperature resistant, acid and alkali-resistance, organic solvent-resistant corrosion; Dispersion agent then can effectively ensure can mix between each component, there will not be the phenomenon of reunion thus affects lubricant properties; Defoamer effectively can suppress lubricant foaming tendency in use, and the foam generated is vanished rapidly; Tensio-active agent can improve Nano metal powder and Graphite Powder 99 dispersing uniformity in the lubricant.Because plant oil oxidation stability is poor, therefore the present invention is by adopting the oxidation inhibitor oxidisability that makes lubricant keep stable.
Vegetables oil of the present invention is selected from one or more in peanut oil, soybean oil, rapeseed oil or Viscotrol C.Vegetables oil owing to having lower fluorescence grade, good lubricity, simultaneously also biodegradable, lubricant therefore can be avoided environment.
Synthesis ester type oiliness improver of the present invention is selected from one or more in tricarboxymethyl propane oleate, octyl stearate, butyl stearate, Ethylhexyl stearate, iso-octyl palmitate or plam oil, when selecting two or more oiliness improver, each oiliness improver component mixes according to the mode of weight ratio 1:1, can allow between each component all can play its effect according to the ratio mixing of 1:1.
Emulsifying agent of the present invention be selected from from fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, aliphatic acid polyethenoxy ether, polyol ester one or more, when selecting two or more emulsifying agent, each emulsifier component mixes according to the mode of weight ratio 1:1, can allow between each component all can play its effect according to the ratio mixing of 1:1.
Extreme pressure anti-wear additives of the present invention preferentially adopts the one in sodium metaborate, potassium metaborate and three potassium borates.Because the anti-extreme pressure ability of borate family material is much larger than sulphur phosphorous and chlorine lead-type additive, it is a kind of novel Lubricating grease extreme pressure additive.
Organic molybdenum of the present invention preferentially adopts weight ratio to be molybdenum naphthenate and the alkyl salicylate molybdenum of 1:2.Here, organic molybdenum is sulfur-bearing, phosphoric not, can not cause environmental pollution, but also has excellent anti-wear and wear-resistant performance, drilling fluid can be made to be formed in surface of drill stem and a kind ofly have antifriction, the physics of wear-resistant effect, chemisorbed film.
The granularity of Nano metal powder of the present invention is preferably at 35 ~ 45nm.The Nano metal powder of this globule size is added in the lubricant of drilling fluid, drilling fluid can be enable under the condition of high temperature extreme pressure to form the nano protective film of one deck lubrication in surface of drill stem, both reduced friction, again available protecting drilling tool.
Dispersion agent of the present invention preferentially adopts weight ratio to be low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of 4:3.When this dispersion agent effectively can ensure that the various additive of the present invention adds in vegetables oil, can be uniformly dispersed, not have agglomeration to produce, and then ensure that the lubricity that lubricant is good.
Embodiment 1
A kind of lubricant for drilling fluids, it comprises following component by weight: soybean oil 60 parts, plam oil 15 parts, fatty alcohol-polyoxyethylene ether 17 parts, three potassium borates 5 parts, organic molybdenum 8 parts, granularity is the Nano metal powder 11 parts of 36nm, dispersion agent 12 parts, Graphite Powder 99 7 parts, defoamer 6 parts, 5 parts, tensio-active agent, 4 parts, oxidation inhibitor.Wherein, molybdenum naphthenate and the alkyl salicylate molybdenum of organic molybdenum to be weight ratio be 1:2.Low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of dispersion agent to be weight ratio be 4:3.
Above-mentioned lubricant for drilling fluids can reach 220 DEG C of lubricities that drilling fluid still can be made to keep good in temperature, has outstanding advantage that is wear-resistant, antifriction simultaneously.
Embodiment 2
A kind of lubricant for drilling fluids, it comprises following component by weight: Viscotrol C 70 parts, butyl stearate and Ethylhexyl stearate (weight ratio is 1:1) 18 parts, aliphatic acid polyethenoxy ether 13 parts, potassium metaborate 6 parts, organic molybdenum 12 parts, granularity is the Nano metal powder 10 parts of 41nm, dispersion agent 13 parts, Graphite Powder 99 8 parts, defoamer 7 parts, 6 parts, tensio-active agent, 5 parts, oxidation inhibitor.Wherein, molybdenum naphthenate and the alkyl salicylate molybdenum of organic molybdenum to be weight ratio be 1:2.Low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of dispersion agent to be weight ratio be 4:3.
Above-mentioned lubricant for drilling fluids can reach 230 DEG C of lubricities that drilling fluid still can be made to keep good in temperature, has outstanding advantage that is wear-resistant, antifriction simultaneously.
Embodiment 3
A kind of lubricant for drilling fluids, it comprises following component by weight: rapeseed oil 75 parts, tricarboxymethyl propane oleate 20 parts, fatty alcohol-polyoxyethylene ether and aliphatic acid polyethenoxy ether (weight ratio 1:1) 17 parts, sodium metaborate 7 parts, organic molybdenum 16 parts, granularity is the Nano metal powder 11 parts of 43nm, dispersion agent 14 parts, Graphite Powder 99 6 parts, defoamer 5 parts, 7 parts, tensio-active agent, 6 parts, oxidation inhibitor.Wherein, molybdenum naphthenate and the alkyl salicylate molybdenum of organic molybdenum to be weight ratio be 1:2.Low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of dispersion agent to be weight ratio be 4:3.
Above-mentioned lubricant for drilling fluids can reach 225 DEG C of lubricities that drilling fluid still can be made to keep good in temperature, has outstanding advantage that is wear-resistant, antifriction simultaneously.
Embodiment 4
A kind of lubricant for drilling fluids, it comprises following component by weight: peanut oil and soybean oil 87 parts, butyl stearate and Ethylhexyl stearate (weight ratio 1:1) 24 parts, alkylphenol polyoxyethylene and polyol ester (weight ratio 1:1) 20 parts, three potassium borates 8 parts, organic molybdenum 18 parts, granularity is the Nano metal powder 12 parts of 40nm, dispersion agent 15 parts, Graphite Powder 99 9 parts, defoamer 8 parts, 7 parts, tensio-active agent, 8 parts, oxidation inhibitor.Wherein, molybdenum naphthenate and the alkyl salicylate molybdenum of organic molybdenum to be weight ratio be 1:2.Low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of dispersion agent to be weight ratio be 4:3.
Above-mentioned lubricant for drilling fluids can reach 240 DEG C of lubricities that drilling fluid still can be made to keep good in temperature, has outstanding advantage that is wear-resistant, antifriction simultaneously.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (8)
1. a lubricant for drilling fluids, is characterized in that, comprises following component by weight: vegetables oil 35 ~ 90 parts, synthesis ester type oiliness improver 10 ~ 25 parts, emulsifying agent 9 ~ 21 parts, extreme pressure anti-wear additives 3 ~ 8 parts, organic molybdenum 6-18 part, Nano metal powder 10 ~ 12 parts, dispersion agent 7 ~ 15 parts, Graphite Powder 99 5 ~ 9 parts, defoamer 3 ~ 8 parts, 4 ~ 7 parts, tensio-active agent, oxidation inhibitor 4-8 part.
2. lubricant for drilling fluids as claimed in claim 1, it is characterized in that, described vegetables oil is selected from one or more in peanut oil, soybean oil, rapeseed oil or Viscotrol C.
3. lubricant for drilling fluids as claimed in claim 1, it is characterized in that, described synthesis ester type oiliness improver is selected from one or more in tricarboxymethyl propane oleate, octyl stearate, butyl stearate, Ethylhexyl stearate, iso-octyl palmitate or plam oil, when selecting two or more oiliness improver, each oiliness improver component mixes according to the mode of weight ratio 1:1.
4. lubricant for drilling fluids as claimed in claim 1, it is characterized in that, described emulsifying agent be selected from from fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, aliphatic acid polyethenoxy ether, polyol ester one or more, when selecting two or more emulsifying agent, each emulsifier component mixes according to the mode of weight ratio 1:1.
5. lubricant for drilling fluids as claimed in claim 1, it is characterized in that, described extreme pressure anti-wear additives is the one in sodium metaborate, potassium metaborate and three potassium borates.
6. lubricant for drilling fluids as claimed in claim 1, is characterized in that, molybdenum naphthenate and the alkyl salicylate molybdenum of described organic molybdenum to be weight ratio be 1:2.
7. lubricant for drilling fluids as claimed in claim 1, it is characterized in that, the granularity of described Nano metal powder is at 35 ~ 45nm.
8. lubricant for drilling fluids as claimed in claim 1, is characterized in that, low nitrogen type polyisobutene succinimide and the boronation polyisobutene succinimide of described dispersion agent to be weight ratio be 4:3.
Priority Applications (1)
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|---|---|---|---|
| CN201510845246.3A CN105368410A (en) | 2015-11-27 | 2015-11-27 | Lubricant for drilling fluid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510845246.3A CN105368410A (en) | 2015-11-27 | 2015-11-27 | Lubricant for drilling fluid |
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| CN105368410A true CN105368410A (en) | 2016-03-02 |
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| CN201510845246.3A Pending CN105368410A (en) | 2015-11-27 | 2015-11-27 | Lubricant for drilling fluid |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969324A (en) * | 2016-06-27 | 2016-09-28 | 沧州科迪泥浆有限公司 | Non-sulfur-phosphorus lubricant for water-based drilling fluid |
| CN106318342A (en) * | 2016-08-19 | 2017-01-11 | 成都西油华巍科技有限公司 | High-temperature-resistant and saturated salt-resistant lubricant for drilling fluid and preparation method thereof |
| CN107011876A (en) * | 2017-05-22 | 2017-08-04 | 任丘市力科节能材料有限公司 | A kind of drilling fluid compounded lubricant and preparation method thereof, application |
| CN108239522A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of drilling fluid micro-nano closure lubricant and preparation method |
| CN108949123A (en) * | 2018-07-05 | 2018-12-07 | 北京鑫翔源长顺润滑油有限责任公司 | Lubricant for drilling fluid and its preparation method and application |
| CN109135690A (en) * | 2018-09-07 | 2019-01-04 | 中石化石油工程技术服务有限公司 | Lubricant for drilling fluids composition containing lubrication capsule grain and preparation method thereof and water-base drilling fluid and its application |
| CN109135691A (en) * | 2018-09-07 | 2019-01-04 | 中石化石油工程技术服务有限公司 | Lubricant for drilling fluids composition and preparation method thereof and water-base drilling fluid and its application |
| CN109504354A (en) * | 2019-01-14 | 2019-03-22 | 中海石油(中国)有限公司上海分公司 | A kind of lubricant, drilling fluid and its application |
| CN109666461A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | A kind of drilling fluid drag reducer |
| CN110591664A (en) * | 2019-10-23 | 2019-12-20 | 成都碳原时代科技有限公司 | Metal drag reduction lubricant for coiled tubing operation |
| CN110699051A (en) * | 2018-07-09 | 2020-01-17 | 中石化石油工程技术服务有限公司 | Biomass base oil and preparation method thereof |
| CN110776882A (en) * | 2018-07-31 | 2020-02-11 | 中国石油化工股份有限公司 | Targeted friction-reducing resistance-reducing agent |
| CN111117577A (en) * | 2019-12-13 | 2020-05-08 | 郑州洁灵科技有限公司 | Preparation and application of green environment-friendly efficient water-based drilling fluid lubricant |
| CN112322262A (en) * | 2020-12-16 | 2021-02-05 | 新疆华油能源工程服务有限公司 | Anti-drag anti-sticking drilling fluid and preparation method thereof |
| CN113563950A (en) * | 2021-07-27 | 2021-10-29 | 安徽中天石化股份有限公司 | Biodegradable lubricating oil and preparation method thereof |
| CN115093838A (en) * | 2022-07-21 | 2022-09-23 | 大庆合正化工有限公司 | Environment-friendly degradable drilling lubricant and preparation method thereof |
| CN115404055A (en) * | 2022-09-13 | 2022-11-29 | 河北星京环保科技有限公司 | Environment-friendly drilling fluid lubricant |
-
2015
- 2015-11-27 CN CN201510845246.3A patent/CN105368410A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969324A (en) * | 2016-06-27 | 2016-09-28 | 沧州科迪泥浆有限公司 | Non-sulfur-phosphorus lubricant for water-based drilling fluid |
| CN105969324B (en) * | 2016-06-27 | 2018-08-21 | 沧州科迪泥浆有限公司 | A kind of non-sulphur phosphorus lubricant of water-base drilling fluid |
| CN106318342A (en) * | 2016-08-19 | 2017-01-11 | 成都西油华巍科技有限公司 | High-temperature-resistant and saturated salt-resistant lubricant for drilling fluid and preparation method thereof |
| CN108239522A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of drilling fluid micro-nano closure lubricant and preparation method |
| CN108239522B (en) * | 2016-12-27 | 2021-03-16 | 中国石油化工股份有限公司 | Micro-nano plugging lubricant for drilling fluid and preparation method thereof |
| CN107011876A (en) * | 2017-05-22 | 2017-08-04 | 任丘市力科节能材料有限公司 | A kind of drilling fluid compounded lubricant and preparation method thereof, application |
| CN107011876B (en) * | 2017-05-22 | 2018-03-23 | 任丘市力科节能材料有限公司 | A kind of drilling fluid compounded lubricant and preparation method thereof, application |
| CN109666461A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | A kind of drilling fluid drag reducer |
| CN108949123A (en) * | 2018-07-05 | 2018-12-07 | 北京鑫翔源长顺润滑油有限责任公司 | Lubricant for drilling fluid and its preparation method and application |
| CN110699051A (en) * | 2018-07-09 | 2020-01-17 | 中石化石油工程技术服务有限公司 | Biomass base oil and preparation method thereof |
| CN110699051B (en) * | 2018-07-09 | 2022-07-08 | 中石化石油工程技术服务有限公司 | Biomass base oil and preparation method thereof |
| CN110776882A (en) * | 2018-07-31 | 2020-02-11 | 中国石油化工股份有限公司 | Targeted friction-reducing resistance-reducing agent |
| CN109135690A (en) * | 2018-09-07 | 2019-01-04 | 中石化石油工程技术服务有限公司 | Lubricant for drilling fluids composition containing lubrication capsule grain and preparation method thereof and water-base drilling fluid and its application |
| CN109135691A (en) * | 2018-09-07 | 2019-01-04 | 中石化石油工程技术服务有限公司 | Lubricant for drilling fluids composition and preparation method thereof and water-base drilling fluid and its application |
| CN109504354A (en) * | 2019-01-14 | 2019-03-22 | 中海石油(中国)有限公司上海分公司 | A kind of lubricant, drilling fluid and its application |
| CN110591664A (en) * | 2019-10-23 | 2019-12-20 | 成都碳原时代科技有限公司 | Metal drag reduction lubricant for coiled tubing operation |
| CN111117577A (en) * | 2019-12-13 | 2020-05-08 | 郑州洁灵科技有限公司 | Preparation and application of green environment-friendly efficient water-based drilling fluid lubricant |
| CN111117577B (en) * | 2019-12-13 | 2022-08-30 | 郑州洁灵科技有限公司 | Preparation and application of water-based drilling fluid lubricant |
| CN112322262A (en) * | 2020-12-16 | 2021-02-05 | 新疆华油能源工程服务有限公司 | Anti-drag anti-sticking drilling fluid and preparation method thereof |
| CN113563950A (en) * | 2021-07-27 | 2021-10-29 | 安徽中天石化股份有限公司 | Biodegradable lubricating oil and preparation method thereof |
| CN115093838A (en) * | 2022-07-21 | 2022-09-23 | 大庆合正化工有限公司 | Environment-friendly degradable drilling lubricant and preparation method thereof |
| CN115093838B (en) * | 2022-07-21 | 2023-02-21 | 大庆合正化工有限公司 | Environment-friendly degradable drilling lubricant and preparation method thereof |
| CN115404055A (en) * | 2022-09-13 | 2022-11-29 | 河北星京环保科技有限公司 | Environment-friendly drilling fluid lubricant |
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