CN108276973A - Drilling fluid environment protective lubricant and preparation method thereof - Google Patents
Drilling fluid environment protective lubricant and preparation method thereof Download PDFInfo
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- 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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- C09K2208/34—Lubricant additives
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Abstract
The invention discloses a kind of environmental protection and manufacturing cost it is low, while the frictional force between drilling tool and wall cake, between clay particle can be reduced, reduce drilling fluid environment protective lubricant of resistance and preparation method thereof.The drilling fluid environment protective lubricant, composition include：Oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxethylene octylphenyl phenol ether, sulfuric acid, sodium hydroxide；The mass percent wherein respectively formed is：Oleic acid：30%~42%, long-chain fatty alcohol：44%~60%, organic silicone oil：5%~15%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：0.1%.The preparation method includes that oleic acid, long-chain fatty alcohol are uniformly mixed by step, heating, and sulfuric acid is added, and sodium hydroxide stirring is added in stirring, and organic silicone oil stirring is added, and polyoxethylene octylphenyl phenol ether is added and uniformly mixes.It is few with environment protective lubricant environmental pollution using the drilling fluid；Resistance can be reduced, is conducive to improve drilling speed, prevents bit freezing.
Description
Technical field
The present invention relates to drilling lubricants field, especially a kind of drilling fluid environment protective lubricant.
Background technology
It is well-known：Drilling fluid is with the MUD LUBRICANTS that extreme-pressure lubricant is drillng operation, water-base mud lubricant
Efficient extreme pressure anti-wear additives.Current lubricant for drilling fluids on the market is mostly based on mineral oil, mineral bitumen, vegetable and animals oils.
Existing lubricant has the following problems：1. mineral oils have fluorescence to influence instrument signal；2. animals and plants oils is not
Temperature resistance, easy to ferment, performance is unstable；3. there is environmental issue.
In the prior art as 105505340 A of Chinese patent application CN disclose a kind of environmentally-frielubricant lubricant for drilling fluid and
Preparation method is related to water-base drilling fluid with lubricator technical field, it is characterised in that consisting of：Aliphatic ester, biological bavin
Oil, kollag, extreme-pressure lubricant, dispersant, antifoaming agent；The mass percent wherein respectively formed is：Aliphatic ester：20%
~50%；Biodiesel：30%~60%；Kollag：5%~20%；Extreme-pressure lubricant：5%~10%；Dispersant：
1%~5%；Antifoaming agent：3%~10%.Lubricant of the present invention has good dispersion performance and lubrication in drilling fluid system
Performance, and have many advantages, such as low low Poison, bio-toxicity, environmentally friendly, easily biological-degradable, good with drilling fluid system compatibility；It should
Lubricant sheet is relatively low, and raw material is cheap and easy to get, simple production process, has wide applicability.
Although above-mentioned environmentally-frielubricant lubricant for drilling fluid solves environmental issue, but its constituent is complicated, manufacturing cost
It is higher, while can not be effectively reduced between drilling tool and wall cake, the frictional force between clay particle, therefore it is susceptible to card
It bores.
Invention content
Technical problem to be solved by the invention is to provide a kind of environmental protection and manufacturing cost it is low, while drilling tool can be reduced
Frictional force between wall cake, between clay particle reduces drilling fluid environment protective lubricant and its preparation side of resistance
Method.
The technical solution adopted by the present invention to solve the technical problems is：Drilling fluid environment protective lubricant, composition packet
It includes：Oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxethylene octylphenyl phenol ether, sulfuric acid, sodium hydroxide；The quality wherein respectively formed
Percentage is：Oleic acid：30%~42%, long-chain fatty alcohol：44%~60%, organic silicone oil：5%~15%, polyoxyethylene is pungent
Alkylphenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
Further, the mass percent respectively formed is：Oleic acid：32%~40%, long-chain fatty alcohol：46%~58%,
Organic silicone oil：8%~12%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
Further, the mass percent respectively formed is：Oleic acid：35%~37%, long-chain fatty alcohol：50%~
54%, organic silicone oil：9%~11%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：
0.1%.
Specifically, the mass percent respectively formed is：Oleic acid：36%, long-chain fatty alcohol：52%, organic silicone oil：10%,
Polyoxethylene octylphenyl phenol ether：1.8%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
The present invention also provides a kind of preparation methods preparing the drilling fluid environment protective lubricant, including step：
Oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxethylene octylphenyl phenol ether, sulfuric acid, hydroxide are taken according to corresponding weight percent
The raw material of sodium；Oleic acid, long-chain fatty alcohol are uniformly mixed first, are heated to 50 DEG C~70 DEG C, be added sulfuric acid stirring 3.5h~
4.5h is added sodium hydroxide and stirs 0.8h~1.2h, and organic silicone oil is added and stirs 0.8h~1.2h, polyoxethylene octylphenyl benzene is added
Phenolic ether uniformly mixes.
Further, oleic acid, long-chain fatty alcohol, polyoxethylene octylphenyl phenol ether are uniformly mixed, are heated to 60 DEG C, be added
Sulfuric acid stirs 4h, and sodium hydroxide is added and stirs 1h, and organic silicone oil is added and stirs 1h, and polyoxethylene octylphenyl phenol ether is added and uniformly mixes
It closes.
The beneficial effects of the invention are as follows：Drilling fluid environment protective lubricant of the present invention is relative to existing lubricant
It has the following advantages：1, the drilling fluid is that environmental pollution is few with environment protective lubricant；2, height is water-dispersed, therefore is easy in clay
Particle and metal surface form one layer of liquid film, are effectively reduced between drilling tool and wall cake, between clay particle
Frictional force reduces resistance to improve the lubricity of drilling fluid and mud cake, is conducive to improve drilling speed, prevents bit freezing.This hair simultaneously
The preparation method of the bright drilling fluid environment protective lubricant is simple, manufacture easy to produce, and production cost is low.
Specific implementation mode
Drilling fluid environment protective lubricant of the present invention, composition include：Oleic acid, long-chain fatty alcohol, organic silicone oil,
Polyoxethylene octylphenyl phenol ether, sulfuric acid, sodium hydroxide；The mass percent wherein respectively formed is：Oleic acid：30%~42%, long
Chain fatty alcohol：44%~60%, organic silicone oil：5%~15%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：
0.1%, sodium hydroxide：0.1%.
Drilling fluid environment protective lubricant of the present invention, since its composition includes：It is oleic acid, long-chain fatty alcohol, organic
Silicone oil, polyoxethylene octylphenyl phenol ether, sulfuric acid, sodium hydroxide；Therefore pass through oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxy second
Alkene octyl phenol ether forms one layer of liquid film during being lubricated to drilling tool, in clay particle and metal surface,
It is effectively reduced between drilling tool and wall cake, the frictional force between clay particle, to improve the lubrication of drilling fluid and mud cake
Property, resistance is reduced, is conducive to improve drilling speed, prevents bit freezing；Water dispersible is high simultaneously.
It is further preferred that the mass percent respectively formed is：Oleic acid：32%~40%, long-chain fatty alcohol：46%~
58%, organic silicone oil：8%~12%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：
0.1%.
Still more preferably, the mass percent respectively formed is：Oleic acid：35%~37%, long-chain fatty alcohol：50%~
54%, organic silicone oil：9%~11%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：
0.1%.
Most preferably, the mass percent respectively formed is：Oleic acid：36%, long-chain fatty alcohol：52%, organic silicone oil：
10%, polyoxethylene octylphenyl phenol ether：1.8%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
The present invention also provides a kind of preparation methods of the drilling fluid environment protective lubricant, including step：According to
Corresponding weight percent takes oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxethylene octylphenyl phenol ether, sulfuric acid, sodium hydroxide
Raw material；Oleic acid, long-chain fatty alcohol are uniformly mixed first, are heated to 50 DEG C~70 DEG C, sulfuric acid is added, stirs 3.5h~4.5h,
Sodium hydroxide is added and stirs 0.8h~1.2h, organic silicone oil is added and stirs 0.8h~1.2h, polyoxethylene octylphenyl phenol ether is added
Uniformly mixing.
In order to shorten preparation time, while ensureing product quality, further, by oleic acid, long-chain fatty alcohol, polyoxyethylene
Octyl phenol ether is uniformly mixed, and is heated to 60 DEG C, and sulfuric acid is added, and stirs 4h, and sodium hydroxide is added and stirs 1h, organic silicone oil is added
1h is stirred, polyoxethylene octylphenyl phenol ether is added and uniformly mixes.
With reference to embodiment, the present invention is further described.
Embodiment one
It takes：30 parts of oleic acid, 60 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 50 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
3.5h is added 0.1 part of sodium hydroxide and stirs 1.2h, and 8 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether is added
It 1.8 parts, uniformly mixes.It can produce " drilling fluid environment protective lubricant ".
Embodiment two
It takes：42 parts of oleic acid, 44 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4h is added 0.1 part of sodium hydroxide and stirs 1h, and 12 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Embodiment three
It takes：32 parts of oleic acid, 58 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4h is added 0.1 part of sodium hydroxide and stirs 1h, and 12 organic silicone oil of part is added and stirs 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Example IV
It takes：40 parts of oleic acid, 46 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4h is added 0.1 part of sodium hydroxide and stirs 1h, and 12 organic silicone oil of part is added and stirs 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Embodiment five
It takes：38 parts of oleic acid, 55 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4h is added 0.1 part of sodium hydroxide and stirs 1h, and 5 parts of organic silicone oils are added and stir 1h, 1.8 parts of polyoxethylene octylphenyl phenol ether is added,
Uniformly mixing.It can produce " drilling fluid environment protective lubricant ".
Embodiment six
It takes：38 parts of oleic acid, 45 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 70 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4.5h is added 0.1 part of sodium hydroxide and stirs 0.8h, and 15 organic silicone oil of part is added and stirs 1.2h, polyoxethylene octylphenyl phenol is added
1.8 parts of ether uniformly mixes.It can produce " drilling fluid environment protective lubricant ".
Embodiment seven
It takes：36 parts of oleic acid, 53 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase, stirring is added
4h is added 0.1 part of sodium hydroxide and stirs 1.2h, and 9 parts of organic silicone oils are added and stir 0.8h, polyoxethylene octylphenyl phenol ether is added
1.8 part uniformly mixes.It can produce " drilling fluid environment protective lubricant ".
Embodiment eight
It takes：35.8 parts of oleic acid, 52 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 11 organic silicone oil of part is added and stirs 1h, polyoxethylene octylphenyl phenol ether 1 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Embodiment nine
It takes：32 parts of oleic acid, 56.8 parts of long-chain fatty alcohol are uniformly mixed, and are heated to 50 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 8 parts of organic silicone oils are added and stir 1h, 3 parts of polyoxethylene octylphenyl phenol ether is added,
Uniformly mixing.It can produce " drilling fluid environment protective lubricant ".
Embodiment ten
It takes：52 parts of 36 parts of oleic acid and long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 10 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Comparative example one
It takes：62 parts of 28 parts of oleic acid and long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 8 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Comparative example two
It takes：40 parts of 45 parts of oleic acid and long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 13 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 1.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Comparative example three
It takes：37 parts of 46 parts of oleic acid and long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 16 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 0.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
Comparative example four
It takes：42 parts of 50 parts of oleic acid and long-chain fatty alcohol are uniformly mixed, and are heated to 60 DEG C, and 0.1 part of sulfate sulfatase is added, stirs
4h is mixed, 0.1 part of sodium hydroxide is added and stirs 1h, 4 parts of organic silicone oils are added and stir 1h, polyoxethylene octylphenyl phenol ether 3.8 is added
Part, uniformly mix.It can produce " drilling fluid environment protective lubricant ".
To " the drilling fluid environment protective lubricant " that is obtained in above-described embodiment and comparative example as follows to its property
It can be detected.
Specific detection method：
One, lubricating coefficient is tested
1, configuration base slurry：Take 400mL distilled water, 20g sodium bentonites, 0.8g natrium carbonicum calcinatums, height stirs 20min, normal-temperature water
Change for 24 hours.
2, it tests：Base slurry height stirs 5min, and lubricating coefficient is tested with extreme boundary lubrication instrument, obtains base slurry (blank) lubricating coefficient；
4g this products are added in being starched to base, height stirs 5min, and lubricating coefficient is tested with extreme boundary lubrication instrument, obtains sample slurry lubricating coefficient；
Blistering rate measures
1, configuration base slurry：The sodium soil paste after 3% aquation is taken, 10% potassium chloride, 20% potassium formate is added；
2, it tests：Base slurry height stands 1min after stirring 20min, and with densitometer test density, as base starches (blank) density；Base
1% this product is added in slurry, as sample is starched, and sample slurry height stands 1min after stirring 20min, and with densitometer test density, as sample is starched
Density；(base pulp density-sample pulp density)/base pulp density × 100% is calculated according to the formula up to blistering rate.
" the drilling fluid environment protective lubricant " in embodiment and comparative example is detected by above-mentioned detection method
To data as shown in Table 1.
Table 1：The performance parameter of drilling fluid environment protective lubricant
| Project name | Base starches lubricating coefficient | Sample starches lubricating coefficient | Resistance reduced rate (%) | Blistering rate (%) |
| Embodiment one | 55 | 7 | 90.1 | 7% |
| Embodiment two | 55 | 6 | 91.2 | 7% |
| Embodiment three | 55 | 7 | 91.5 | 8% |
| Example IV | 55 | 6 | 90.9 | 7% |
| Embodiment five | 55 | 7 | 91.3 | 6% |
| Embodiment six | 55 | 5 | 90.1 | 6% |
| Embodiment seven | 55 | 5 | 90.8 | 7% |
| Embodiment eight | 55 | 6 | 92.1 | 6% |
| Embodiment nine | 55 | 5 | 91.5 | 6% |
| Embodiment ten | 55 | 4 | 92.7 | 5% |
| Comparative example one | 55 | 9 | 88.0 | 9% |
| Comparative example two | 55 | 10 | 85.3 | 10% |
| Comparative example three | 55 | 12 | 82.7 | 13% |
| Comparative example four | 55 | 13 | 79.8 | 12% |
It can be seen that from the data in table 1 when drilling fluid environment protective lubricant, wherein the mass percent respectively formed
For：Oleic acid：30%~42%, long-chain fatty alcohol：44%~60%, organic silicone oil：5%~15%, polyoxethylene octylphenyl phenol
Ether：1%~3%, sulfuric acid：0.1%, sodium hydroxide：When 0.1%, wherein sample slurry lubricating coefficient is respectively less than 8, and resistance reduced rate is equal
More than 90%, bubble rate is respectively less than 8%.It is in the mass percent of each composition simultaneously：The mass percent respectively formed is：Oil
Acid：36%, long-chain fatty alcohol：52%, organic silicone oil：10%, polyoxethylene octylphenyl phenol ether：1.8%, sulfuric acid：0.1%, hydrogen
Sodium oxide molybdena：When 0.1%, sample starches lubricating coefficient, and resistance reduced rate, bubble rate, reaching optimum value is respectively：4,92.7%,
5%.
Claims (6)
1. drilling fluid environment protective lubricant, which is characterized in that its composition includes：Oleic acid, organic silicone oil, gathers long-chain fatty alcohol
Ethylene oxide octyl phenol ether, sulfuric acid, sodium hydroxide；The mass percent wherein respectively formed is：Oleic acid：30%~42%, long-chain
Fatty alcohol：44%~60%, organic silicone oil：5%~15%, polyoxethylene octylphenyl phenol ether：1%~3%, sulfuric acid：0.1%,
Sodium hydroxide：0.1%.
2. drilling fluid environment protective lubricant as described in claim 1, it is characterised in that：The mass percent respectively formed is：
Oleic acid：32%~40%, long-chain fatty alcohol：46%~58%, organic silicone oil：8%~12%, polyoxethylene octylphenyl phenol ether：
1%~3%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
3. drilling fluid environment protective lubricant as claimed in claim 2, it is characterised in that：The mass percent respectively formed is：
Oleic acid：35%~37%, long-chain fatty alcohol：50%~54%, organic silicone oil：9%~11%, polyoxethylene octylphenyl phenol ether：
1%~3%, sulfuric acid：0.1%, sodium hydroxide：0.1%.
4. drilling fluid environment protective lubricant as claimed in claim 3, it is characterised in that：The mass percent respectively formed is：
Oleic acid：36%, long-chain fatty alcohol：52%, organic silicone oil：10%, polyoxethylene octylphenyl phenol ether：1.8%, sulfuric acid：0.1%,
Sodium hydroxide：0.1%.
5. the preparation method of the drilling fluid environment protective lubricant as described in any one of Claims 1-4 claim,
It is characterized in that, including step：Oleic acid, long-chain fatty alcohol, organic silicone oil, polyoxethylene octylphenyl are taken according to corresponding weight percent
The raw material of phenol ether, sulfuric acid, sodium hydroxide；Oleic acid, long-chain fatty alcohol are uniformly mixed first, 50 DEG C~70 DEG C is heated to, adds
Enter sulfuric acid, stir 3.5h~4.5h, sodium hydroxide is added and stirs 0.8h~1.2h, organic silicone oil is added and stirs 0.8h~1.2h,
Polyoxethylene octylphenyl phenol ether is added uniformly to mix.
6. the preparation method of drilling fluid environment protective lubricant as claimed in claim 5, it is characterised in that：By oleic acid, long-chain
Fatty alcohol, polyoxethylene octylphenyl phenol ether are uniformly mixed, and are heated to 60 DEG C, and sulfuric acid is added, and stir 4h, and sodium hydroxide stirring is added
1h is added organic silicone oil and stirs 1h, and polyoxethylene octylphenyl phenol ether is added and uniformly mixes.
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| CN113214805A (en) * | 2020-02-06 | 2021-08-06 | 中国石油化工股份有限公司 | Lubricant for drilling fluid and preparation method and application thereof |
| CN113214805B (en) * | 2020-02-06 | 2022-07-15 | 中国石油化工股份有限公司 | Lubricant for drilling fluid and preparation method and application thereof |
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Application publication date: 20180713 |