CN105969324A - Non-sulfur-phosphorus lubricant for water-based drilling fluid - Google Patents
Non-sulfur-phosphorus lubricant for water-based drilling fluid Download PDFInfo
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- CN105969324A CN105969324A CN201610476392.8A CN201610476392A CN105969324A CN 105969324 A CN105969324 A CN 105969324A CN 201610476392 A CN201610476392 A CN 201610476392A CN 105969324 A CN105969324 A CN 105969324A
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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
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Abstract
The invention discloses a non-sulfur-phosphorus lubricant for a water-based drilling fluid, and relates to the technical field of water-based drilling fluid lubricants. The non-sulfur-phosphorus lubricant comprises the following components in percentage by weight: 8 to 12% of trimethylolpropane oleic acid ester type C, 35 to 41% of vegetable oil fatty acid ethyl ester or a mixture of the vegetable oil fatty acid ethyl ester and plant asphalt, 45 to 55% of synthetic fatty acid resin, 0.8 to 1.2% of span-80, and 0.8 to 1.2 parts of OP-10, and the components are uniformly stirred to obtain the non-sulfur-phosphorus lubricant. The lubricant disclosed by the invention has good compatibility, salt resistance, high temperature resistance, high pH resistance, good lubrication, no pollution to the environment, capability of being well dispersed in water and no floating oily sweepings, and is suitable for various water-based drilling fluid systems and oil and gas development wells of all well-types, and further can be used for exploration wells.
Description
Technical field
The present invention relates to water-base drilling fluid technical field of lubricant.
Background technology
Currently, oil/gas drilling has the drilling depth of more than 80% to use water-base drilling fluid to complete all over the world.In order to improve drilling speed, minimizing accident and down hole problem, reduce drilling cost, lubricant is requisite for water-base drilling fluid.
Sulfur, P elements are applied very universal in lubricant, surfactant, but environment can cause certain harm.
At present, water-base drilling fluid remains the first-selection of oil drilling, in order to realize drillng operation safely and fast with efficient comprehensive profit, develop both met drilling well requirement, water-base drilling fluid the most free from environmental pollution is with lubricator the most necessary.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of non-sulfur phosphorus lubricant of water-base drilling fluid, this lubricant compatibility is good, anti-salt, high temperature resistance, anti-high ph, greasy property is good, free from environmental pollution, can well be dispersed in water, not produce floating oil bloom, it is applicable to the oil and gas development well of all kinds of water base drilling fluid system and all well type, can be used for prospect pit.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%,
Agitated uniformly prepare.
Preferably, water-base drilling fluid with non-sulfur phosphorus lubricant, 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 fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, is passed through CO2After displacing the oxygen in reactor, stirring, intensification, insulation reaction are made.
Preferably, one or more during vegetable fatty acetoacetic ester is soybean oil fatty acetoacetic ester, palm oil fatty acid ethyl ester, rapeseed oil fatty acetoacetic ester.
Preferably, the preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, add dehydrated alcohol, react 6-8 hour at 80 ± 5 DEG C, static layering, separate the sulfuric acid layer of lower floor, distillating still is transferred on upper strata, and 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids is one or more in soy(a)-bean oil fatty acid, palm oil fatty acid, rapeseed oil fatty acid.
It is further preferred that the mol ratio of vegetable fatty acids and dehydrated alcohol is 1:28-35, the addition of the concentrated sulphuric acid of mass concentration 98% is the 4%-6% of vegetable fatty acids quality.
Further preferred, vegetable fatty acids is 1:30 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
Preferably, the preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 175～185 DEG C, is incubated 1～2h；
2. being warming up to 200～220 DEG C, insulation reaction, it is reaction end that sampling survey acid number to reach 10mgKOH/g；
3., after reaching reaction end, heating is stopped；
4. stir, 80～90 DEG C of filtrations, close at basin, stand-by；
Fatty acid is one or more in 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: fatty acid: tetramethylolmethane: polyether polyol: benzoyl peroxide=68～62:32～28:5.5～3.5:0.5～0.25.
Further preferred, in the preparation method of synthctic fat acid resin, raw material mass ratio is: fatty acid: tetramethylolmethane: polyether polyol: benzoyl peroxide=65:29.7:5:0.3.
Span-80, Chinese entitled sorbester p17, chemical composition is sorbitan fatty ester.
OP-10 is a kind of industrial chemicals, and composition is alkylphenol polyoxyethylene.
The usage of lubricant of the present invention and consumption be: can uniformly be directly added in water-base drilling fluid (circulating mud) by the circulating cycle.Recommending dosage is the 1.0%～3.0% of water-base drilling fluid quality, and the well that gradient is big can increase dosage.
Use and have the beneficial effects that produced by technique scheme:
1, lubricant of the present invention is faint yellow, transparency liquid, can well be dispersed in water, and does not produce floating oil bloom.
2, organic salt mud system it is suitable for.
3, anti-salt, can be used for sea water drilling well, and sea water, fresh water lubricity is the most unchanged.
4, high temperature resistance, aging 24 hours by 180 degree, lubricity is unchanged.
5, anti-high ph, pH=10～11 lubricities are unchanged.
6, compatibility is good.
7, density about 0.89 g/cm3。
8, nontoxic, sulfur-bearing, P elements, not free from environmental pollution.
9, greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, more than 80%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rates, more than 80%.
10, this lubricant is applicable to all kinds of water base drilling fluid system.
11, this lubricant is applicable to the oil and gas development well of all well type, can be used for prospect pit.
12, this lubricant is by about quality testing department, the evaluation of external drilling fluid company, it is possible to well meet the requirement of marine drilling.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation.
The manufacturer of tricarboxymethyl propane oleate c-type is Liaocheng Rui Jie Chemical Co., Ltd.；
Embodiment 1
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, adds dehydrated alcohol, react 6 hours at 80 ± 5 DEG C, static layering, separates the sulfuric acid layer of lower floor, and distillating still is transferred on upper strata, 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids is the mixture of soy(a)-bean oil fatty acid, palm oil fatty acid and rapeseed oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:30 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 180 DEG C, is incubated 1h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is the mixture (or waste oil) of animal oil fatty acid, soy(a)-bean oil fatty acid, palm oil fatty acid and rapeseed oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: 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 is sequentially added into reactor in proportion, stirs 30min, and blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 90%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 90%.
Embodiment 2
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, add dehydrated alcohol, react 6 hours at 80 ± 5 DEG C, static layering, separating the sulfuric acid layer of lower floor, distillating still is transferred on upper strata, and 80 ± 5 DEG C of distillations are except ethanol, heating up 170～200 DEG C again, distillation obtains product plant fat acetoacetic ester and residue side-product plant asphalt；Vegetable fatty acids is soy(a)-bean oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:30 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
Above-mentioned vegetable fatty acetoacetic ester can also be prepared according to existing conventional method.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 175 DEG C, is incubated 2h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is the mixture of animal oil fatty acid and soy(a)-bean oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: 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 and
OP-10 is sequentially added into reactor in proportion, stirs 30min, and blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 83%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 83%.
Embodiment 3
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, adds dehydrated alcohol, react 8 hours at 80 ± 5 DEG C, static layering, separates the sulfuric acid layer of lower floor, and distillating still is transferred on upper strata, 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids is palm oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:28 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 6% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 185 DEG C, is incubated 1.5h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is the mixture of animal oil fatty acid, soy(a)-bean oil fatty acid and palm oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: 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 is sequentially added into reactor in proportion, stirs 30min, and blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 89%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 88%.
Embodiment 4
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, add dehydrated alcohol, react 7 hours at 80 ± 5 DEG C, static layering, separating the sulfuric acid layer of lower floor, distillating still is transferred on upper strata, and 80 ± 5 DEG C of distillations are except ethanol, being warmed up to 170～200 DEG C again, distillation obtains product plant fat acetoacetic ester and residue side-product plant asphalt；Vegetable fatty acids is rapeseed oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:35 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 4% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 180 DEG C, is incubated 1h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is animal oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: polyether polyol: 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 and
OP-10 is sequentially added into reactor in proportion, stirs 30min, and blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 81%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 80%.
Embodiment 5
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, adds dehydrated alcohol, react 6 hours at 80 ± 5 DEG C, static layering, separates the sulfuric acid layer of lower floor, and distillating still is transferred on upper strata, 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids is the mixture of soy(a)-bean oil fatty acid and palm oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:32 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 180 DEG C, is incubated 1h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is soy(a)-bean oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: polyether polyol: 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 is sequentially added into reactor in proportion, stirs 30min, and blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 88%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 88%.
Embodiment 6
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, adds dehydrated alcohol, react 6 hours at 80 ± 5 DEG C, static layering, separates the sulfuric acid layer of lower floor, and distillating still is transferred on upper strata, 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；Vegetable fatty acids is the mixture of palm oil fatty acid and rapeseed oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:30 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 180 DEG C, is incubated 1h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is the mixture of palm oil fatty acid and rapeseed oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: 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 is sequentially added into reactor in proportion, and stirring 30min blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 90%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 90%.
Embodiment 7
A kind of water-base drilling fluid with non-sulfur phosphorus lubricant, 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%。
The above-mentioned water-base drilling fluid preparation method of non-sulfur phosphorus lubricant is:
(1) preparation method of vegetable fatty acetoacetic ester is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, add dehydrated alcohol, react 6 hours at 80 ± 5 DEG C, static layering, separating the sulfuric acid layer of lower floor, distillating still is transferred on upper strata, and 80 ± 5 DEG C of distillations are except ethanol, being warmed up to 170～200 DEG C again, distillation obtains product plant fat acetoacetic ester and residue side-product plant asphalt；Vegetable fatty acids is the mixture of soy(a)-bean oil fatty acid and rapeseed oil fatty acid, and vegetable fatty acids requires anhydrous；Vegetable fatty acids is 1:30 with the mol ratio of dehydrated alcohol, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
(2) preparation method of synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 180 DEG C, is incubated 1h；
2. being warming up to 200～220 DEG C, be incubated 2h, it is reaction end that sampling survey acid number to reach 10mgKOH/g.If do not reached, continuing insulation, every 30min samples repetition measurement；
3., after reaching reaction end, heating is stopped
4. stir (30min), 80～90 DEG C of filtrations, closes at basin, stand-by；
Fatty acid is the mixture of soy(a)-bean oil fatty acid, palm oil fatty acid and rapeseed oil fatty acid, and fatty acid requires anhydrous；Raw materials quality ratio is: fatty acid: tetramethylolmethane: 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 and
OP-10 is sequentially added into reactor in proportion, and stirring 30min blowing is packed and i.e. obtained the non-sulfur phosphorus lubricant of water-base drilling fluid.This lubricant greasy property is good.180 DEG C of aging 16h fresh water slurry lubricating coefficient reduction rates, 82%, 180 DEG C of aging 16h sea water slurry lubricating coefficient reduction rate, 83%.
This water-base drilling fluid is with non-sulfur phosphorus lubricant
One, overview
Sulfur, P elements are applied very universal in lubricant, surfactant, but environment can cause certain harm.This lubricant be the not sulfur-bearing of independent research and development, the anti-salt of P elements, high temperature resistant drilling fluids with lubricator.By about quality testing department, the evaluation of external drilling fluid company, it is possible to well meet the requirement of marine drilling.
Two, the scope of application
This lubricant is applicable to all kinds of water base drilling fluid system；
This lubricant is applicable to 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 well be dispersed in water, and does not produce floating oil bloom；
2, organic salt mud system it is suitable for；
3, anti-salt, can be used for sea water drilling well, and sea water, fresh water lubricity is the most unchanged；
4, high temperature resistance, aging 24 hours by 180 degree, lubricity is unchanged；
5, anti-high ph, pH=10 ~ 11 lubricity is unchanged；
6, compatibility is good；
7, density about 0.89 g/cm3
。
Four, usage and consumption
Can uniformly be directly added in water-base drilling fluid by the circulating cycle.Recommending dosage is the 1.0%～3.0% of water-based drilling liquid measure, and the well that gradient is big can increase dosage.
Five, packaging and storage
Employing Plastic Drum is packed, every barrel of net weight 180kg.
It is stored in cool place, dry, ventilation.Shelf-life is 2 years.
Six, safety and protection
This lubricant is nontoxic, but avoids contacting with eyes, skin and clothes, otherwise rinses with substantial amounts of clear water.Not oral administration.
Seven, lubricant of the present invention all meets table 1 and specifies:
。
Claims (10)
1. a water-base drilling fluid is with non-sulfur phosphorus lubricant, it is characterised in that: 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%,
Agitated uniformly prepare.
A kind of water-base drilling fluid the most according to claim 1 is with non-sulfur phosphorus lubricant, it is characterised in that include 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%。
A kind of water-base drilling fluid the most according to claim 1 is with non-sulfur phosphorus lubricant, it is characterised in that described synthctic fat acid resin is that fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, is passed through CO2After displacing the oxygen in reactor, stirring, intensification, insulation reaction are made.
A kind of water-base drilling fluid the most according to claim 1 and 2 is with non-sulfur phosphorus lubricant, it is characterised in that described vegetable fatty acetoacetic ester is one or more in soybean oil fatty acetoacetic ester, palm oil fatty acid ethyl ester, rapeseed oil fatty acetoacetic ester.
A kind of water-base drilling fluid the most according to claim 1 and 2 is with non-sulfur phosphorus lubricant, it is characterised in that the preparation method of described vegetable fatty acetoacetic ester and plant asphalt mixture is:
The concentrated sulphuric acid of vegetable fatty acids Yu mass concentration 98% is heated to 80 ± 5 DEG C, add dehydrated alcohol, react 6-8 hour at 80 ± 5 DEG C, static layering, separate the sulfuric acid layer of lower floor, distillating still is transferred on upper strata, and 80 ± 5 DEG C of distillations, except ethanol, obtain vegetable fatty acetoacetic ester and plant asphalt mixture；
Described vegetable fatty acids is one or more in soy(a)-bean oil fatty acid, palm oil fatty acid, rapeseed oil fatty acid.
A kind of water-base drilling fluid the most according to claim 5 is with non-sulfur phosphorus lubricant, it is characterised in that the mol ratio of described vegetable fatty acids and dehydrated alcohol is 1:28-35, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 4%-6% of vegetable fatty acids quality.
A kind of water-base drilling fluid the most according to claim 6 is with non-sulfur phosphorus lubricant, it is characterised in that the mol ratio of described vegetable fatty acids and dehydrated alcohol is 1:30, and the addition of the concentrated sulphuric acid of mass concentration 98% is the 5% of vegetable fatty acids quality.
8. according to a kind of water-base drilling fluid described in claim 1,2 or 3 with non-sulfur phosphorus lubricant, it is characterised in that the preparation method of described synthctic fat acid resin comprises the following steps:
1. fatty acid, tetramethylolmethane, polyether polyol, benzoyl peroxide are all added reactor, be passed through CO2After displacing the oxygen in reactor, stirring, it is warming up to 175～185 DEG C, is incubated 1～2h；
2. being warming up to 200～220 DEG C, insulation reaction, it is reaction end that sampling survey acid number to reach 10mgKOH/g；
3., after reaching reaction end, heating is stopped；
4. stir, 80～90 DEG C of filtrations, close at basin, stand-by；
Described fatty acid is one or more in animal oil fatty acid, soy(a)-bean oil fatty acid, palm oil fatty acid, rapeseed oil fatty acid.
A kind of water-base drilling fluid the most according to claim 8 is with non-sulfur phosphorus lubricant, it is characterised in that in the preparation method of described synthctic fat acid resin, raw material mass ratio is: fatty acid: tetramethylolmethane: polyether polyol: benzoyl peroxide=68～62:32～28:5.5～3.5:0.5～0.25.
A kind of water-base drilling fluid the most according to claim 9 is with non-sulfur phosphorus lubricant, it is characterised in that in the preparation method of described synthctic fat acid resin, raw material mass ratio is: fatty acid: tetramethylolmethane: polyether polyol: benzoyl peroxide=65:29.7:5:0.3.
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| CN108641684A (en) * | 2018-04-26 | 2018-10-12 | 廊坊庆兴化工有限公司 | A kind of drilling fluid compound resin lubricating collapse-resisting agent 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 |
| CN111100613A (en) * | 2019-12-19 | 2020-05-05 | 中国海洋石油集团有限公司 | Lubricant for drilling fluid and application thereof |
| CN113461557A (en) * | 2021-04-02 | 2021-10-01 | 苏州丰倍生物科技有限公司 | Hydroxyethyl ethylenediamine derivative, fatty acid ester derivative and preparation method thereof |
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| CN108641684A (en) * | 2018-04-26 | 2018-10-12 | 廊坊庆兴化工有限公司 | A kind of drilling fluid compound resin lubricating collapse-resisting agent and preparation method thereof |
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| CN111100613A (en) * | 2019-12-19 | 2020-05-05 | 中国海洋石油集团有限公司 | Lubricant for drilling fluid and application 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 |
| CN113461557A (en) * | 2021-04-02 | 2021-10-01 | 苏州丰倍生物科技有限公司 | Hydroxyethyl ethylenediamine derivative, fatty acid ester derivative and preparation method thereof |
| CN113461557B (en) * | 2021-04-02 | 2023-08-15 | 苏州丰倍生物科技股份有限公司 | Hydroxyethyl ethylenediamine derivative, fatty acid ester derivative and preparation method of hydroxyethyl ethylenediamine derivative and fatty acid ester derivative |
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