CN105524599A - Lubricant for drilling fluid and preparation method for lubricant for drilling fluid - Google Patents
Lubricant for drilling fluid and preparation method for lubricant for drilling fluid Download PDFInfo
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- CN105524599A CN105524599A CN201610018423.5A CN201610018423A CN105524599A CN 105524599 A CN105524599 A CN 105524599A CN 201610018423 A CN201610018423 A CN 201610018423A CN 105524599 A CN105524599 A CN 105524599A
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- lubricant
- drilling fluid
- drilling
- polyoxyethylene ether
- fatty alcohol
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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
-
- 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
- C09K2208/28—Friction or drag reducing 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 lubricant for drilling fluid. The lubricant for drilling fluid is prepared from the following raw materials in percentage by mass: 60-98% of vegetable pitch, 1-20% of fatty alcohol-polyoxyethylene ether and 1-20% of extreme-pressure antiwear additive. According to the lubricant for drilling fluid, the lubricant for drilling fluid is prepared from the vegetable pitch, the fatty alcohol-polyoxyethylene ether and the extreme-pressure antiwear additive and is high in lubrication factor reduction rate and low in apparent viscosity increase value and fluorescence level, so that the friction between a borehole wall and a drilling tool can be effectively lowered, the production cost of well drilling is reduced, and the production efficiency of well drilling is increased. Proven by experimental results, the lubricant for drilling fluid, provided by the invention, has the lubrication factor reduction rate of 93.2% or more, the apparent viscosity increase value of 2.3mPa.s or smaller and the fluorescence level of 2 or smaller and fully meets the requirements of high-quality well drilling application.
Description
Technical field
The present invention relates to field of oil drilling, particularly relate to a kind of lubricant for drilling fluid and preparation method thereof.
Background technology
Mud shale stratum clay ratio contained by it is high, easy aquation, bring great negative impact to drilling operation, often occur a series of down hole problems such as borehole well instability, caliper expansion, bit freezing, moment of torsion and resistance increase in drilling process, add drilling well difficulty.In petroleum drilling well-completion practice, keep away when drill bit creeps into and unavoidably can produce various friction, cause equipment attrition.To be in operation the power loss and structure deteriorate that produce because of friction to reduce component of machine, countries in the world are actively developed various in order to reduce friction resistance, to slow down the lubricant medium of its wearing and tearing, i.e. lubricant for drilling fluid, to reach the object of lubrication drag reduction.But at present, the lubricating coefficient of lubricant for drilling fluid is low, easily makes drilling tool impaired.
Summary of the invention
In view of this, the present invention proposes a kind of lubricant for drilling fluid and preparation method thereof, and this lubricant for drilling fluid has high lubricating coefficient, extends the work-ing life of drilling tool.
Technical scheme of the present invention is achieved in that
A kind of lubricant for drilling fluid, the preparation of raw material comprising following mass percent forms:
Plant asphalt 60 ~ 98%;
Fatty alcohol-polyoxyethylene ether 1 ~ 20%;
Extreme pressure anti-wear additives 1 ~ 20%.
Preferably, the raw material comprising following weight proportion is made:
Plant asphalt 72 ~ 85%;
Fatty alcohol-polyoxyethylene ether 5 ~ 15%;
Extreme pressure anti-wear additives 5 ~ 15%.
Preferably, described fatty alcohol-polyoxyethylene ether is ethoxylated dodecyl alcohol, cardanol Soxylat A 25-7 or hexadecanol Soxylat A 25-7.
Preferably, described extruding anti-wear agent is selected from one or more in organic chloride, organic sulfide, Organophosphorous compounds, organic metal salt and borate.
Preferably, described organic chloride is clorafin 42, clorafin 50 or clorafin 52.
Preferably, described organic sulfide is sulfurized lard, sulfuration Oleum Gossypii semen or sulfide isobutene.
Preferably, described Organophosphorous compounds are tritolyl phosphate, triphenylphosphate, triethyl phosphate, tributyl phosphate or di-n-butyl phosphite.
Preferably, described organic metal salt is for having dialkyl dithiocarbamate, dialkyl dithiophosphate or lead naphthenate.
Preferably, described borate is sodium metaborate, potassium metaborate or three potassium borates.
Present invention also offers a kind of preparation method of lubricant for drilling fluid, it is characterized in that, comprise the following steps:
In the condition downhill reaction still stirred, add plant asphalt, fatty alcohol-polyoxyethylene ether and extreme pressure anti-wear additives successively, then after 30 ~ 60 DEG C of heated and stirred 1 ~ 2h, namely obtain drilling well lubricating fluid.
Beneficial effect of the present invention is:
The lubricant for drilling fluid that the present invention adopts plant asphalt, fatty alcohol-polyoxyethylene ether and extreme pressure anti-wear additives to prepare, lubricating coefficient reduced rate is high, apparent viscosity lift-off value and fluorescence grade low, effectively can reduce the friction between the borehole wall and drilling tool, reduce drilling well production cost, improve the production efficiency of drilling well.Experimental result shows, the lubricating coefficient reduced rate of lubricant for drilling fluid provided by the invention is more than 93.2%, and apparent viscosity lift-off value is at below 2.3mPas, and fluorescence grade, below 2, meets the requirement of high quality DRILLING APPLICATION completely.
Embodiment
The invention discloses a kind of lubricant for drilling fluid and preparation method thereof, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, described similar replacement and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and quoting is described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
A kind of lubricant for drilling fluid, the preparation of raw material comprising following mass percent forms:
Plant asphalt 60 ~ 98%;
Fatty alcohol-polyoxyethylene ether 1 ~ 20%;
Extreme pressure anti-wear additives 1 ~ 20%.
The mass percent of plant asphalt is 60 ~ 98%.In an embodiment of the present invention, the mass percent of plant asphalt is 72 ~ 85%; In other embodiments, the mass percent of plant asphalt is 78 ~ 80%.
The mass percent of fatty alcohol-polyoxyethylene ether is 1 ~ 20%.In an embodiment of the present invention, the mass percent of fatty alcohol-polyoxyethylene ether is 5 ~ 15%; In other embodiments, the mass percent of fatty alcohol-polyoxyethylene ether is 8 ~ 12%.
In an embodiment of the present invention, fatty alcohol-polyoxyethylene ether is ethoxylated dodecyl alcohol, cardanol Soxylat A 25-7 or hexadecanol Soxylat A 25-7; In other embodiments, fatty alcohol-polyoxyethylene ether is ethoxylated dodecyl alcohol.
The mass percent of extreme pressure anti-wear additives is 1 ~ 20%.In an embodiment of the present invention, the mass percent of extreme pressure anti-wear additives is 5 ~ 15%; In other embodiments, the mass percent of extreme pressure anti-wear additives is 8 ~ 12%.
In an embodiment of the present invention, extruding anti-wear agent is selected from one or more in organic chloride, organic sulfide, Organophosphorous compounds, organic metal salt and borate; In other embodiments, extruding anti-wear agent is selected from two kinds in organic chloride, organic sulfide, Organophosphorous compounds, organic metal salt and borate; In a further embodiment, extruding anti-wear agent is selected from three kinds in organic chloride, organic sulfide, Organophosphorous compounds, organic metal salt and borate.
In an embodiment of the present invention, organic chloride is selected from one or both in clorafin 42, clorafin 50 and clorafin 52; In other embodiments, organic chloride is clorafin 50 and clorafin 52.
In an embodiment of the present invention, organic sulfide is selected from one or both in sulfurized lard, sulfuration Oleum Gossypii semen and sulfide isobutene; In other embodiments, organic sulfide is sulfurized lard and sulfuration Oleum Gossypii semen.
In an embodiment of the present invention, Organophosphorous compounds are selected from one or both in tritolyl phosphate, triphenylphosphate, triethyl phosphate, tributyl phosphate and di-n-butyl phosphite; Organophosphorous compounds are selected from two kinds in tritolyl phosphate, triethyl phosphate and tributyl phosphate.
In an embodiment of the present invention, organic metal salt is selected from one or both in dialkyl dithiocarbamate, dialkyl dithiophosphate and lead naphthenate; In other embodiments, organic metal salt is dialkyl dithiophosphate.
In an embodiment of the present invention, borate is sodium metaborate, potassium metaborate or three potassium borates; In other embodiments, borate is potassium metaborate or three potassium borates.
The source of all raw materials of the present invention is not particularly limited, for commercially available.
The invention also discloses a kind of preparation method of lubricant for drilling fluid, comprise the following steps:
In the condition downhill reaction still stirred, add plant asphalt, fatty alcohol-polyoxyethylene ether and extreme pressure anti-wear additives successively, then after 30 ~ 60 DEG C of heated and stirred 1 ~ 2h, namely obtain drilling well lubricating fluid.
The source of all raw materials of the present invention is not particularly limited, for commercially available.
Wherein, plant asphalt, fatty alcohol-polyoxyethylene ether and extreme pressure anti-wear additives are all same as above, do not repeat them here.
Raw material used in lubricant for drilling fluid provided by the invention and preparation method thereof all can be buied by market.
In order to understand the present invention further, be described lubricant for drilling fluid provided by the invention and preparation method thereof below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Embodiment 1
In reactor, add 60g plant asphalt, 20g ethoxylated dodecyl alcohol, 20g clorafin 52 under agitation, then stir 2h at 30 DEG C, obtain lubricant for drilling fluid.
Embodiment 2
In reactor, add 72g plant asphalt, 13g cardanol Soxylat A 25-7,5g potassium metaborate, 5g dialkyl dithiophosphate and 5g tributyl phosphate under agitation, then stir 1h at 60 DEG C, obtain lubricant for drilling fluid.
Embodiment 3
In reactor, add 98g plant asphalt, 1g hexadecanol Soxylat A 25-7,1g sulfuration Oleum Gossypii semen under agitation, then stir 1h at 40 DEG C, obtain lubricant for drilling fluid.
Embodiment 4
In reactor, add 85g plant asphalt, 5g ethoxylated dodecyl alcohol, 3g clorafin 50,4g clorafin 52 and 3g tri-potassium borate under agitation, then stir 2h at 55 DEG C, obtain lubricant for drilling fluid.
Embodiment 5
In reactor, add 78g plant asphalt, 8g ethoxylated dodecyl alcohol, 4g sulfurized lard, 6g sulfuration cottonseed 52 and 4g tri-potassium borate under agitation, then stir 1h at 35 DEG C, obtain lubricant for drilling fluid.
Embodiment 6
In reactor, add 80g plant asphalt, 12g cardanol Soxylat A 25-7,2g triethyl phosphate, 3g tritolyl phosphate 2 and 3g lead naphthenate under agitation, then stir 2h at 55 DEG C, obtain lubricant for drilling fluid.
Embodiment 7
In reactor, add 79g plant asphalt, 9g ethoxylated dodecyl alcohol, 3g dialkyl dithiocarbamate, 5g di-n-butyl phosphite and 4g sulfide isobutene under agitation, then stir 1h at 40 DEG C, obtain lubricant for drilling fluid.
Embodiment 8
In reactor, add 80g plant asphalt, 10g hexadecanol Soxylat A 25-7,3g tritolyl phosphate, 2g triphenylphosphate and 5g clorafin 52 under agitation, then stir 1.5h at 45 DEG C, obtain lubricant for drilling fluid.
Performance evaluation
1) lubricating coefficient reduced rate is evaluated
1.1 lubricating coefficient reduced rate evaluation methods
Prepare four parts of bases slurry, every deal gets 400mL distilled water, adds 0.8g sodium carbonate, 20.0g test sodium bentonite (in thermostatic drying chamber at 105 DEG C ± 3 DEG C dry 4h), high-speed stirring 20min.At least stop twice therebetween, to scrape adhesion bur on the wall, curing in airtight condition 24h at 24 DEG C ± 3 DEG C.Get two parts of base slurries respectively with after stirrer stirring 10min, measure lubricating coefficient with extreme boundary lubrication instrument.Get other two parts of bases slurry and add 4.0g embodiment 1 ~ 8 lubricant for drilling fluid respectively, after stirring 10min with stirrer, measure lubricating coefficient with extreme boundary lubrication instrument.The calculating formula of lubricating coefficient reduced rate is Y=(F
1-F
2)/F
1× 100%, in formula, Y is lubricating coefficient reduced rate, %; F
1the lubricating coefficient of-Ji slurry; F
1the lubricating coefficient after lubricant for drilling fluid is added in-Ji slurry.
1.2 lubricating coefficient reduced rates measure
Above-described embodiment 1 ~ 8 is evaluated by lubricating coefficient reduced rate evaluation method, the results are shown in Table shown in 1.
2) apparent viscosity lift-off value is evaluated
2.1 apparent viscosity lift-off value evaluation methods
Prepare four parts of bases slurry, every deal gets 400mL distilled water, adds 20.0g test sodium bentonite (in thermostatic drying chamber at 105 DEG C ± 3 DEG C dry 4h), 0.8g sodium carbonate, high-speed stirring 20min.At least stop twice therebetween, to scrape adhesion bur on the wall, curing in airtight condition 24h at 24 DEG C ± 3 DEG C.Get two parts of bases slurry high-speed stirring 5min respectively, what measure six fast rotational viscosimeter 600r/min by the method for GB/T16783.1-2006 reads value.Get other two parts of bases slurry and add 4.0g embodiment 1 ~ 8 lubricant for drilling fluid respectively, high-speed stirring 5min, what measure six fast rotational viscosimeter 600r/min by the method for GB/T16783.1-2006 reads value.Apparent viscosity lift-off value calculating formula, η
a=φ
600/ 2, Δ η
a=η
a2-η
a1, wherein η
afor apparent viscosity, unit is mPas; φ
600be six fast rotational viscosimeter 600r/min read value; Δ η
aapparent viscosity lift-off value, mPas; η
a1for the apparent viscosity of base slurry, unit is mPas; η
a2test the apparent viscosity of slurry after adding lubricant for drilling fluid, unit is mPas.
2.2 apparent viscosity lift-off values measure
Above-described embodiment 1 ~ 8 is evaluated by apparent viscosity lift-off value evaluation method, the results are shown in Table shown in 1.
3) fluorescence grade evaluation
3.1 fluorescence grade evaluation methods
20mL trichloromethane is added in the 100mL beaker that cleaning is dried, add 1.0g embodiment 1 ~ 8 lubricant for drilling fluid, shake up, place, clarify, pour out a part of clear liquor in clean tube, under UV-light instrument, observe fluorescence and relevant criterion series contrasts and determines fluorescence grade.
3.2 fluorescence grades measure
Above-described embodiment 1 ~ 8 is evaluated by fluorescence grade evaluation method, the results are shown in Table 1.
Table 1 embodiment 1 ~ 8 lubricating coefficient reduced rate, cubical expansivity and fluorescence grade measurement result
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a lubricant for drilling fluid, is characterized in that, the preparation of raw material comprising following mass percent forms:
Plant asphalt 60 ~ 98%;
Fatty alcohol-polyoxyethylene ether 1 ~ 20%;
Extreme pressure anti-wear additives 1 ~ 20%.
2. lubricant for drilling fluid as claimed in claim 1, it is characterized in that, the raw material comprising following weight proportion is made:
Plant asphalt 72 ~ 85%;
Fatty alcohol-polyoxyethylene ether 5 ~ 15%;
Extreme pressure anti-wear additives 5 ~ 15%.
3. lubricant for drilling fluid as claimed in claim 2, it is characterized in that, described fatty alcohol-polyoxyethylene ether is ethoxylated dodecyl alcohol, cardanol Soxylat A 25-7 or hexadecanol Soxylat A 25-7.
4. lubricant for drilling fluid as claimed in claim 2, is characterized in that, described extruding anti-wear agent be selected from organic chloride, organic sulfide, Organophosphorous compounds, organic metal salt and borate one or more.
5. lubricant for drilling fluid as claimed in claim 4, is characterized in that, described organic chloride be selected from clorafin 42, clorafin 50 and clorafin 52 one or both.
6. lubricant for drilling fluid as claimed in claim 4, is characterized in that, described organic sulfide be selected from sulfurized lard, sulfuration Oleum Gossypii semen and sulfide isobutene one or both.
7. lubricant for drilling fluid as claimed in claim 4, is characterized in that, described Organophosphorous compounds be selected from tritolyl phosphate, triphenylphosphate, triethyl phosphate, tributyl phosphate and di-n-butyl phosphite one or both.
8. lubricant for drilling fluid as claimed in claim 9, is characterized in that, described organic metal salt be selected from dialkyl dithiocarbamate, dialkyl dithiophosphate and lead naphthenate one or both.
9. lubricant for drilling fluid as claimed in claim 9, it is characterized in that, described borate is sodium metaborate, potassium metaborate or three potassium borates.
10. a preparation method for the lubricant for drilling fluid as described in any one of claim 1 ~ 9, is characterized in that, comprises the following steps:
In the condition downhill reaction still stirred, add plant asphalt, fatty alcohol-polyoxyethylene ether and extreme pressure anti-wear additives successively, then after 30 ~ 60 DEG C of heated and stirred 1 ~ 2h, namely obtain drilling well lubricating fluid.
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| CN201610018423.5A CN105524599A (en) | 2016-01-12 | 2016-01-12 | Lubricant for drilling fluid and preparation method for lubricant for drilling fluid |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690576A (en) * | 2018-05-02 | 2018-10-23 | 中国石油大学(华东) | A kind of high temperature resistant lubricant for drilling liquid and preparation method thereof |
| 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 |
| RU2684657C1 (en) * | 2018-05-28 | 2019-04-11 | Общество с ограниченной ответственностью "МИРРИКО" | Lubricant additive for drilling mud |
| 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 |
| CN110527499A (en) * | 2018-05-24 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid antifriction agent |
| CN110628397A (en) * | 2019-09-29 | 2019-12-31 | 重庆威能钻井助剂有限公司 | Lubricant for drilling fluid and preparation method thereof |
| CN111826134A (en) * | 2019-04-19 | 2020-10-27 | 中石化石油工程技术服务有限公司 | Biomass fermentation broth lubricant for drilling fluid and preparation method thereof |
| RU2742421C1 (en) * | 2020-09-11 | 2021-02-05 | Игорь Владимирович Колесников | Lubricating additive for drilling muds |
| RU2744890C1 (en) * | 2020-08-31 | 2021-03-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Lubricant additive for water-based drilling fluids |
| CN112592700A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
| CN112592701A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated fatty acid ester and preparation method and application thereof |
| RU2767461C1 (en) * | 2021-06-16 | 2022-03-17 | Общество с ограниченной ответственностью «Торговый Дом СпецКом» | Lubricant additive for drilling fluid |
| CN115637190A (en) * | 2022-09-22 | 2023-01-24 | 陕西耀威铜业有限公司 | Precise copper wire drawing lubricating fluid and preparation method thereof |
| RU2797955C1 (en) * | 2022-06-16 | 2023-06-13 | Общество с ограниченной ответственностью "ОПУ-30" | Lubricant additive for drilling fluids |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108690576A (en) * | 2018-05-02 | 2018-10-23 | 中国石油大学(华东) | A kind of high temperature resistant lubricant for drilling liquid and preparation method thereof |
| CN110527499B (en) * | 2018-05-24 | 2021-06-01 | 中国石油化工股份有限公司 | Antifriction resistance-reducing agent for oil-based drilling fluid |
| CN110527499A (en) * | 2018-05-24 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid antifriction agent |
| RU2684657C1 (en) * | 2018-05-28 | 2019-04-11 | Общество с ограниченной ответственностью "МИРРИКО" | Lubricant additive for drilling mud |
| 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 |
| CN111826134A (en) * | 2019-04-19 | 2020-10-27 | 中石化石油工程技术服务有限公司 | Biomass fermentation broth lubricant for drilling fluid and preparation method thereof |
| CN111826134B (en) * | 2019-04-19 | 2022-12-13 | 中石化石油工程技术服务有限公司 | Biomass fermentation broth lubricant for drilling fluid and preparation method thereof |
| CN110628397A (en) * | 2019-09-29 | 2019-12-31 | 重庆威能钻井助剂有限公司 | Lubricant for drilling fluid and preparation method thereof |
| RU2744890C1 (en) * | 2020-08-31 | 2021-03-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Lubricant additive for water-based drilling fluids |
| RU2742421C1 (en) * | 2020-09-11 | 2021-02-05 | Игорь Владимирович Колесников | Lubricating additive for drilling muds |
| CN112592700A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
| CN112592701A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated fatty acid ester and preparation method and application thereof |
| CN112592700B (en) * | 2020-12-22 | 2022-04-29 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
| RU2767461C1 (en) * | 2021-06-16 | 2022-03-17 | Общество с ограниченной ответственностью «Торговый Дом СпецКом» | Lubricant additive for drilling fluid |
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Application publication date: 20160427 |