CN105969324B - A kind of non-sulphur phosphorus lubricant of water-base drilling fluid - Google Patents
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid Download PDFInfo
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- CN105969324B CN105969324B CN201610476392.8A CN201610476392A CN105969324B CN 105969324 B CN105969324 B CN 105969324B CN 201610476392 A CN201610476392 A CN 201610476392A CN 105969324 B CN105969324 B CN 105969324B
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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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
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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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
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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
- C09K2208/28—Friction or drag reducing additives
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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
Abstract
The invention discloses a kind of non-sulphur phosphorus lubricants of water-base drilling fluid, are related to water-base drilling fluid technical field of lubricant.Include following component by weight percentage：Tricarboxymethyl propane oleate c-type 8~12%, vegetable fatty acetoacetic ester or vegetable fatty acetoacetic ester and plant asphalt mixture 35~41%, synthctic fat acid resin 45~55%, span 80 0.8~1.2%, OP 10 0.8~1.2% are agitated uniformly obtained.Lubricant compatibility of the present invention is good, and salt resistance, high temperature resistance, anti-high ph, greasy property is good, free from environmental pollution, can be dispersed in water well, does not generate floating oil bloom, is suitable for the oil and gas development well of all kinds of water base drilling fluid systems and all well type, can be used for prospect pit.
Description
Technical field
The present invention relates to water-base drilling fluid technical field of lubricant.
Background technology
Currently, oil/gas drilling has 80% or more drilling depth to be completed using water-base drilling fluid all over the world.It is bored to improve
Speed reduces accident and down hole problem, reduces drilling cost, lubricant is essential for water-base drilling fluid.
Sulphur, P elements are applied very generally in lubricant, surfactant, but certain harm can be caused to environment.
Currently, water-base drilling fluid is still the first choice of oil drilling, in order to realize drillng operation safely and fast with efficiently
Comprehensive profit, development not only met drilling well requirement, but also water-base drilling fluid free from environmental pollution is with lubricator very necessary.
Invention content
The technical problem to be solved in the present invention is to provide a kind of non-sulphur phosphorus lubricant of water-base drilling fluid, the lubricant compatibilities
Property good, salt resistance, high temperature resistance, anti-high ph, greasy property is good, free from environmental pollution, can be dispersed in water well, does not generate drift
Oil slick is spent, and is suitable for the oil and gas development well of all kinds of water base drilling fluid systems and all well type, be can be used for prospect pit.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of water-base drilling fluid is moistened with non-sulphur phosphorus
Lubrication prescription includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 8~12%,
Vegetable fatty acetoacetic ester or vegetable fatty acetoacetic ester and plant asphalt mixture 35~41%,
Synthctic fat acid resin 45~55%,
Span-80 0.8~1.2%,
OP-10 0.8~1.2%,
It is agitated uniformly obtained.
Preferably, the non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 10%,
Vegetable fatty acetoacetic ester or vegetable fatty acetoacetic ester and plant asphalt mixture 38%,
Synthctic fat acid resin 50%,
Span-80 1%,
OP-10 1%。
Preferably, synthctic fat acid resin is that aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide is whole
Reaction kettle is added, is passed through CO2After displacing the oxygen in reaction kettle, stirring heats up, made of insulation reaction.
Preferably, vegetable fatty acetoacetic ester is soybean oil fatty acetoacetic ester, palm oil fatty acid ethyl ester, rapeseed oil fatty acid
One or more of ethyl ester.
Preferably, the preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6-8 hour, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations are obtained except ethyl alcohol
To vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids are soy(a)-bean oil fatty acid, palm oil fatty acid, vegetable seed
One or more of fatty acid oil.
It is further preferred that the molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:28-35, mass concentration 98% it is dense
The addition of sulfuric acid is the 4%-6% of vegetable fatty acids quality.
Still more preferably, the molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:30, the dense sulphur of mass concentration 98%
The addition of acid is the 5% of vegetable fatty acids quality.
Preferably, the preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 175~185 DEG C, keeps the temperature 1~2h；
2. being warming up to 200~220 DEG C, insulation reaction, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,；
3. after reaching reaction end, stopping heating；
4. stirring evenly, 80~90 DEG C of filterings close at basin, for use；
Aliphatic acid is one or more of animal oil fatty acid, soy(a)-bean oil fatty acid, palm oil fatty acid, rapeseed oil fatty acid.
It is further preferred that raw material mass ratio is in the preparation method of synthctic fat acid resin：Aliphatic acid：Pentaerythrite：
Polyether polyol：Benzoyl peroxide=68~62:32~28:5.5~3.5:0.5~0.25.
Still more preferably, raw material mass ratio is in the preparation method of synthctic fat acid resin：Aliphatic acid：Ji Wusi
Alcohol：Polyether polyol：Benzoyl peroxide=65:29.7:5:0.3.
Span-80, the entitled sorbester p17 of Chinese, chemical composition is sorbitan fatty ester.
OP-10 is a kind of industrial chemicals, and ingredient is alkyl phenol polyoxyethylene ether.
The usage and dosage of lubricant of the present invention be：Can uniformly water-base drilling fluid be directly added by the circulating cycle（Circulating mud）
In.It is the 1.0%~3.0% of water-base drilling fluid quality to recommend dosage, and the big well of gradient can increase dosage.
It is using advantageous effect caused by above-mentioned technical proposal：
1, lubricant of the present invention is faint yellow, transparency liquid, can be dispersed in water well, not generate floating oil bloom.
2, it is suitable for organic salt mud system.
3, salt resistance can be used for seawater drilling well, and seawater, fresh water lubricity are substantially unchanged.
4, high temperature resistance, by 180 degree aging 24 hours, lubricity was unchanged.
5, anti-high ph, pH=10~11 lubricities are unchanged.
6, compatibility is good.
7,0.89 or so g/cm of density3。
8, nontoxic, sulfur-bearing, P elements, not free from environmental pollution.
9, greasy property is good.180 DEG C of aging 16h fresh water starch lubricating coefficient reduced rate, 80% or more, 180 DEG C of seas aging 16h
Water slurry lubricating coefficient reduced rate, 80% or more.
10, this lubricant is suitable for all kinds of water base drilling fluid systems.
11, this lubricant is suitable for the oil and gas development well of all well type, can be used for prospect pit.
12, this lubricant can be good at meeting offshore drill by the evaluation in relation to quality testing department, external drilling fluid company
The requirement of well.
Specific implementation mode
The present invention will be further described in detail with reference to the specific embodiments.
The manufacturer of tricarboxymethyl propane oleate c-type is Liaocheng Rui Jie Chemical Co., Ltd.s；
Embodiment 1
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 10%,
Vegetable fatty acetoacetic ester and plant asphalt mixture 38%,
Synthctic fat acid resin 50%,
Span-80 1%,
OP-10 1%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, obtain
Vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids are soy(a)-bean oil fatty acid, palm oil fatty acid and vegetable seed
The mixture of fatty acid oil, vegetable fatty acids require anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:30, matter
The addition for measuring the concentrated sulfuric acid of concentration 98% is the 5% of vegetable fatty acids quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 180 DEG C, keeps the temperature 1h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is the mixture of animal oil fatty acid, soy(a)-bean oil fatty acid, palm oil fatty acid and rapeseed oil fatty acid（Or
Gutter oil）, aliphatic acid requires anhydrous；Material quality ratio is：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=
65:29.7:5:0.3。
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester and plant asphalt
Mixture, span-80 and OP-10 sequentially add reaction kettle in proportion, stir 30min, and blowing is packed up to water-based drilling
The non-sulphur phosphorus lubricant of liquid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduced rates, 90%, 180
DEG C aging 16h seawater starches lubricating coefficient reduced rate, and 90%.
Embodiment 2
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 8%,
Vegetable fatty acetoacetic ester 40%,
Synthctic fat acid resin 50%,
Span-80 0.8%,
OP-10 1.2%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, then rise
170~200 DEG C of temperature, distillation obtain product plant fat acetoacetic ester and residue byproduct plant asphalt；Vegetable fatty acids are beans
Fatty acid oil, vegetable fatty acids require anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:30, mass concentration
The addition of 98% concentrated sulfuric acid is the 5% of vegetable fatty acids quality.
Above-mentioned vegetable fatty acetoacetic ester can also be prepared according to existing conventional method.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 175 DEG C, keeps the temperature 2h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is the mixture of animal oil fatty acid and soy(a)-bean oil fatty acid, and aliphatic acid requires anhydrous；Material quality ratio is：
Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=65:29.7:5:0.3.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester, span-80 with
And OP-10 sequentially adds reaction kettle in proportion, stirs 30min, blowing is packed up to the non-sulphur phosphorus lubricant of water-base drilling fluid.
This lubricant greasy property is good.180 DEG C of aging 16h fresh water starch lubricating coefficient reduced rate, 83%, 180 DEG C of aging 16h seawater slurry profit
Sliding coefficient reduced rate, 83%.
Embodiment 3
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 12%,
Vegetable fatty acetoacetic ester and plant asphalt mixture 41%,
Synthctic fat acid resin 45%,
Span-80 1.2%,
OP-10 0.8%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 8 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, obtain
Vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids are palm oil fatty acid, vegetable fatty acids requirement
It is anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:28, the addition of the concentrated sulfuric acid of mass concentration 98% is vegetable oil
The 6% of aliphatic acid quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 185 DEG C, keeps the temperature 1.5h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is the mixture of animal oil fatty acid, soy(a)-bean oil fatty acid and palm oil fatty acid, and aliphatic acid requires anhydrous；
Material quality ratio is：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=68:28:3.5:0.5.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester and plant asphalt
Mixture, span-80 and OP-10 sequentially add reaction kettle in proportion, stir 30min, and blowing is packed up to water-based drilling
The non-sulphur phosphorus lubricant of liquid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduced rates, 89%, 180
DEG C aging 16h seawater starches lubricating coefficient reduced rate, and 88%.
Embodiment 4
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 8%,
Vegetable fatty acetoacetic ester 35%,
Synthctic fat acid resin 55%,
Span-80 0.9%,
OP-10 1.1%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 7 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, then rise
For temperature to 170~200 DEG C, distillation obtains product plant fat acetoacetic ester and residue byproduct plant asphalt；Vegetable fatty acids are
Rapeseed oil fatty acid, vegetable fatty acids require anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:35, quality is dense
The addition of the concentrated sulfuric acid of degree 98% is the 4% of vegetable fatty acids quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 180 DEG C, keeps the temperature 1h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is animal oil fatty acid, and aliphatic acid requires anhydrous；Material quality ratio is：Aliphatic acid：Pentaerythrite：Polyethers
Polyalcohol：Benzoyl peroxide=62:32:5.5:0.5.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester, span-80 with
And OP-10 sequentially adds reaction kettle in proportion, stirs 30min, blowing is packed up to the non-sulphur phosphorus lubricant of water-base drilling fluid.
This lubricant greasy property is good.180 DEG C of aging 16h fresh water starch lubricating coefficient reduced rate, 81%, 180 DEG C of aging 16h seawater slurry profit
Sliding coefficient reduced rate, 80%.
Embodiment 5
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 9%,
Vegetable fatty acetoacetic ester and plant asphalt mixture 39%,
Synthctic fat acid resin 50%,
Span-80 1.1%,
OP-10 0.9%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, obtain
Vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids are the mixing of soy(a)-bean oil fatty acid and palm oil fatty acid
Object, vegetable fatty acids require anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:32, mass concentration 98% it is dense
The addition of sulfuric acid is the 5% of vegetable fatty acids quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 180 DEG C, keeps the temperature 1h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is soy(a)-bean oil fatty acid, and aliphatic acid requires anhydrous；Material quality ratio is：Aliphatic acid：Pentaerythrite：Polyethers is more
First alcohol：Benzoyl peroxide=66:29:4.75:0.25.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester and plant asphalt
Mixture, span-80 and OP-10 sequentially add reaction kettle in proportion, stir 30min, and blowing is packed up to water-based drilling
The non-sulphur phosphorus lubricant of liquid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduced rates, 88%, 180
DEG C aging 16h seawater starches lubricating coefficient reduced rate, and 88%.
Embodiment 6
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 11%,
Vegetable fatty acetoacetic ester and plant asphalt mixture 36%,
Synthctic fat acid resin 51.4%,
Span-80 0.8%,
OP-10 0.8%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, obtain
Vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids are the mixed of palm oil fatty acid and rapeseed oil fatty acid
Object is closed, vegetable fatty acids require anhydrous；The molar ratio of vegetable fatty acids and absolute ethyl alcohol is 1:30, mass concentration 98%
The addition of the concentrated sulfuric acid is the 5% of vegetable fatty acids quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 180 DEG C, keeps the temperature 1h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is the mixture of palm oil fatty acid and rapeseed oil fatty acid, and aliphatic acid requires anhydrous；Material quality ratio
For：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=65:29.7:5:0.3.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester and plant asphalt
Mixture, span-80 and OP-10 sequentially add reaction kettle in proportion, and stirring 30min blowings are packed up to water-based drilling
The non-sulphur phosphorus lubricant of liquid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduced rates, 90%, 180
DEG C aging 16h seawater starches lubricating coefficient reduced rate, and 90%.
Embodiment 7
A kind of non-sulphur phosphorus lubricant of water-base drilling fluid includes following component by weight percentage：
Tricarboxymethyl propane oleate c-type 12%,
Vegetable fatty acetoacetic ester 37%,
Synthctic fat acid resin 48.6%,
Span-80 1.2%,
OP-10 1.2%。
Above-mentioned water-base drilling fluid is with the preparation method of non-sulphur phosphorus lubricant：
（1）The preparation method of vegetable fatty acetoacetic ester is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, 80 ± 5
DEG C reaction 6 hours, static layering separates the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, then rise
For temperature to 170~200 DEG C, distillation obtains product plant fat acetoacetic ester and residue byproduct plant asphalt；Vegetable fatty acids are
The mixture of soy(a)-bean oil fatty acid and rapeseed oil fatty acid, vegetable fatty acids require anhydrous；Vegetable fatty acids and absolute ethyl alcohol
Molar ratio be 1:30, the addition of the concentrated sulfuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
（2）The preparation method of synthctic fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It sets
After the oxygen to swap out in reaction kettle, stirring is warming up to 180 DEG C, keeps the temperature 1h；
2. being warming up to 200~220 DEG C, 2h is kept the temperature, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,.If up to not
It arrives, continues to keep the temperature, repetition measurement of sampling per 30min；
3. after reaching reaction end, stopping heating
4. stirring evenly（30min）, 80~90 DEG C are filtered, and close at basin, for use；
Aliphatic acid is the mixture of soy(a)-bean oil fatty acid, palm oil fatty acid and rapeseed oil fatty acid, and aliphatic acid requires anhydrous；
Material quality ratio is：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=65:29.7:5:0.3.
（3）By synthctic fat acid resin, tricarboxymethyl propane oleate c-type, vegetable fatty acetoacetic ester, span-80 with
And OP-10 sequentially adds reaction kettle in proportion, stirring 30min blowings are packed up to the non-sulphur phosphorus lubricant of water-base drilling fluid.
This lubricant greasy property is good.180 DEG C of aging 16h fresh water starch lubricating coefficient reduced rate, 82%, 180 DEG C of aging 16h seawater slurry profit
Sliding coefficient reduced rate, 83%.
The non-sulphur phosphorus lubricant of this water-base drilling fluid
One, overview
Sulphur, P elements are applied very generally in lubricant, surfactant, but certain harm can be caused to environment.
This lubricant be the not sulfur-bearing of independent research and development, P elements salt resistance, high temperature resistant drilling fluids with lubricator.Pass through related quality inspection portion
The evaluation of door, external drilling fluid company, can be good at the requirement for meeting marine drilling.
Two, the scope of application
This lubricant is suitable for all kinds of water base drilling fluid systems；
This lubricant is suitable for the oil and gas development well of all well type, can be used for prospect pit.
Three, performance characteristics：
1, faint yellow, transparency liquid, can be dispersed in water well, not generate floating oil bloom；
2, it is suitable for organic salt mud system；
3, salt resistance can be used for seawater drilling well, and seawater, fresh water lubricity are substantially unchanged；
4, high temperature resistance, by 180 degree aging 24 hours, lubricity was unchanged；
5, anti-high ph, pH=10 ~ 11 lubricities are unchanged；
6, compatibility is good；
7,0.89 or so g/cm of density3 。
Four, usage and dosage
It can be uniformly directly added into water-base drilling fluid by the circulating cycle.Recommend dosage be water-based drilling liquid measure 1.0%~
3.0%, the big well of gradient can increase dosage.
Five, packaging and storage
It is packed using plastic barrel, every barrel of net weight 180kg.
It is stored in shady and cool, dry, ventilation.Shelf-life is 2 years.
Six, safety and protection
This lubricant is nontoxic, but avoids contacting with eyes, skin and clothes, is otherwise rinsed with a large amount of clear water.It can not be interior
Clothes.
Seven, lubricant of the present invention meets the regulation of table 1：
。
Claims (9)
1. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid, it is characterised in that：Include following component by weight percentage：
It is agitated uniformly obtained；
The synthctic fat acid resin is that reaction is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide
Kettle is passed through CO2After displacing the oxygen in reaction kettle, stirring heats up, made of insulation reaction.
2. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 1, which is characterized in that with weight percent
Meter includes following component：
3. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 1 or 2, it is characterised in that the vegetable oil
Fatty-acid ethyl ester is one or more of soybean oil fatty acetoacetic ester, palm oil fatty acid ethyl ester, rapeseed oil fatty acetoacetic ester.
4. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 1 or 2, it is characterised in that the vegetable oil
The preparation method of fatty-acid ethyl ester and plant asphalt mixture is：
The concentrated sulfuric acid of vegetable fatty acids and mass concentration 98% is heated to 80 ± 5 DEG C, absolute ethyl alcohol is added, at 80 ± 5 DEG C
Reaction 6-8 hours, static layering separate the sulfuric acid layer of lower layer, and upper layer is transferred to distillation still, and 80 ± 5 DEG C of distillations remove ethyl alcohol, obtain
Vegetable fatty acetoacetic ester and plant asphalt mixture；
The vegetable fatty acids are one or more of soy(a)-bean oil fatty acid, palm oil fatty acid, rapeseed oil fatty acid.
5. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 4, which is characterized in that the vegetable fat
The molar ratio of fat acid and absolute ethyl alcohol is 1:The addition of 28-35, the concentrated sulfuric acid of mass concentration 98% are vegetable fatty acids matter
The 4%-6% of amount.
6. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 5, which is characterized in that the vegetable fat
The molar ratio of fat acid and absolute ethyl alcohol is 1:30, the addition of the concentrated sulfuric acid of mass concentration 98% is vegetable fatty acids quality
5%.
7. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 1 or 2, it is characterised in that the synthetic fat
The preparation method of fat acid resin includes the following steps：
1. reaction kettle is all added in aliphatic acid, pentaerythrite, polyether polyol, benzoyl peroxide, it is passed through CO2It displaces anti-
After answering the oxygen in kettle, stirring is warming up to 175~185 DEG C, keeps the temperature 1~2h；
2. being warming up to 200~220 DEG C, insulation reaction, it is reaction end that sampling, which surveys acid value to reach 10mgKOH/g,；
3. after reaching reaction end, stopping heating；
4. stirring evenly, 80~90 DEG C of filterings close at basin, for use；
The aliphatic acid is animal oil fatty acid, soy(a)-bean oil fatty acid, palm oil fatty acid, one kind in rapeseed oil fatty acid or several
Kind.
8. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 7, it is characterised in that the synthctic fat
Raw material mass ratio is in the preparation method of acid resin：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=68~
62:32~28:5.5~3.5:0.5~0.25.
9. a kind of non-sulphur phosphorus lubricant of water-base drilling fluid according to claim 8, it is characterised in that the synthctic fat
Raw material mass ratio is in the preparation method of acid resin：Aliphatic acid：Pentaerythrite：Polyether polyol：Benzoyl peroxide=65:
29.7:5:0.3。
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| CN108641684B (en) * | 2018-04-26 | 2020-11-06 | 廊坊庆兴化工有限公司 | Composite resin lubricating anti-sloughing agent 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 |
| CN111100613B (en) * | 2019-12-19 | 2022-09-06 | 中国海洋石油集团有限公司 | Lubricant for drilling fluid and application thereof |
| CN112724036B (en) * | 2021-04-02 | 2021-07-16 | 苏州丰倍生物科技有限公司 | Fatty acid derivative, preparation method and application thereof |
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|---|---|---|---|---|
| CN1126745A (en) * | 1994-11-22 | 1996-07-17 | 法国石油研究所 | Lubricating composition including an esteruse of the composition and well fluid including the composition |
| CN101486896A (en) * | 2008-12-15 | 2009-07-22 | 中国石油化工股份有限公司 | Drilling fluid lubricating agent |
| CN104893688A (en) * | 2015-03-25 | 2015-09-09 | 新疆疆润油田钻采助剂有限责任公司 | Thermostable lubricant for drilling fluid |
| CN105368410A (en) * | 2015-11-27 | 2016-03-02 | 重庆焱津环保科技有限公司 | Lubricant for drilling fluid |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126745A (en) * | 1994-11-22 | 1996-07-17 | 法国石油研究所 | Lubricating composition including an esteruse of the composition and well fluid including the composition |
| CN101486896A (en) * | 2008-12-15 | 2009-07-22 | 中国石油化工股份有限公司 | Drilling fluid lubricating agent |
| CN104893688A (en) * | 2015-03-25 | 2015-09-09 | 新疆疆润油田钻采助剂有限责任公司 | Thermostable lubricant for drilling fluid |
| CN105368410A (en) * | 2015-11-27 | 2016-03-02 | 重庆焱津环保科技有限公司 | Lubricant for drilling fluid |
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