CN105647490A - Organic antifriction composition for drilling fluid and preparation method of organic antifriction composition - Google Patents
Organic antifriction composition for drilling fluid and preparation method of organic antifriction composition Download PDFInfo
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- CN105647490A CN105647490A CN201610199803.3A CN201610199803A CN105647490A CN 105647490 A CN105647490 A CN 105647490A CN 201610199803 A CN201610199803 A CN 201610199803A CN 105647490 A CN105647490 A CN 105647490A
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- sorbitan
- drilling fluid
- polyoxyethylenated alcohol
- reducing agent
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/28—Friction or drag reducing additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
Abstract
Organic antifriction composition for drilling fluid is composed of, prepared in 100%, 45-65 parts of organic acidic metal salt, 15-35 parts of mineral oil, 5-10 parts of emulgator, and 8-15 parts of extreme-pressure additive. During preparation, the components are proportionally added into a reactor and react for 4-6 hours at 50-90oC, producing yellow or brown liquid which is antifriction composition. The antifriction composition can form a high-intensity extreme-pressure lubricating film to be antifriction through its organic negative ions adsorbing to the surface of a casing or a drilling rod, and can replace or partially replace lubricant, using cost of lubricant is reduced, and the antifriction composition is applicable to highly-deviated wells, horizontal wells, high-density drilling fluid and long-cycle prospecting wells.
Description
Technical field
The present invention relates to oil gas well mining field, especially relevant with a kind of drilling fluid Organic Friction-Reducing agent and preparation method thereof.
Background technology
In the deep drilling process that extended reach well, high angle hole, horizontal well and Curvature varying are big, the problem that sleeve pipe heavy wear, earlier period damage usually occur, extreme difficulties is brought to normal drilling completion operation, affect borehole integrity simultaneously, reduce the Oil/gas Well life-span, also result in Oil/gas Well part well section time serious or whole mouth well is scrapped. Sleeve pipe anti-attrition during drilling well, generally adopts shaped wear-resistant belt of drill pipe joint, monoblock type protection joint and Split rotary protection joint etc., alleviates casing wear; but these safeguard procedures costs are high, complicated operation, and can not avoid casing wear completely; if improper use, even aggravate casing wear.
Summary of the invention
The present invention provides a kind of drilling fluid Organic Friction-Reducing agent and preparation method thereof, to solve above-mentioned the deficiencies in the prior art, sleeve pipe and drilling rod surface it is adsorbed on by organic anion, form a floor height intensity extreme boundary lubrication film and play wear-resistant effect, alternative or part substitutes lubricant, reduce lubricant use cost, it is adaptable in high angle hole, horizontal well, high density drilling fluid and long period prospect pit.
In order to realize the purpose of the present invention, intend adopting techniques below:
A kind of drilling fluid Organic Friction-Reducing agent, it is characterised in that being made up of following components, each component is according to quality summation 100% proportioning: metal salts of organic acids 45-65 part, mineral oil 15-35 part, emulsifying agent 5-10 part, extreme pressure agent 8-15 part.
Described metal salts of organic acids is one or more in alkyl salicylate molybdenum, dialkyl dithiophosphoric acid oxygen molybdenum, molybdenum naphthenate, molybdenum dialkyldithiocarbamacompositions.
Described mineral oil is one or more in kerosene, diesel oil, white oil, crude oil.
Described emulsifying agent is dodecylbenzene sodium sulfonate, calcium dodecyl benzene sulfonate, sulfated castor oil, sorbitan monooleate, sorbitan trioleate, sorbitan monostearate, anhydrous sorbitol tristearate, sorbitan monopalmitate, sorbitan mono-laurate, Sorbitan polyoxyethylenated alcohol monoleate, Sorbitan polyoxyethylenated alcohol trioleate, Sorbitan polyoxyethylenated alcohol monostearate, Sorbitan polyoxyethylenated alcohol tristearate, Sorbitan polyoxyethylenated alcohol monopalmitate, one or more in Sorbitan polyoxyethylenated alcohol monolaurate.
Described extreme pressure agent is one or more in sulfide isobutene, triethyl phosphate, tributyl phosphate, di-n-butyl phosphite, zinc dialkyl dithiophosphate, oleic acid diethanolamine boric acid fat, triethanolamine borate.
Further, each component according to quality summation 100% optimum ratio is: metal salts of organic acids 55 parts, 25 parts of mineral oil, emulsifying agent 8 parts, extreme pressure agent 12 parts.
Further, each component according to quality summation 100% optimum ratio is: metal salts of organic acids 62 parts, 23 parts of mineral oil, emulsifying agent 5 parts, extreme pressure agent 10 parts.
The preparation method of a kind of drilling fluid Organic Friction-Reducing agent, it is characterised in that according to proportioning taken amount, successively each component raw material after taken amount is inserted in reactor, react 4-6h under the temperature conditions of 50-90 DEG C, it is thus achieved that yellow or brown liquid are anti-friction composition. Concrete, described temperature conditions is 60 ~ 90 DEG C, and the response time is 5h.
The invention has the beneficial effects as follows: drilling fluid Organic Friction-Reducing agent is adsorbed on sleeve pipe and drilling rod surface by organic anion, form a floor height intensity extreme boundary lubrication film and play wear-resistant effect. Have anti-220 DEG C of high temperature above, compatibility good, without obvious viscosity effect, onsite application is convenient, safeguard the features such as simple, during application, recommend dosage 0.5%-1%, suitable in high angle hole, horizontal well, high density drilling fluid and long period prospect pit, simultaneously alternative or part substitutes lubricant, reducing lubricant use cost, its lubrication drag reduction effect is more preferably.
Detailed description of the invention
Embodiment one: will according to each constituent mass summation 100% taken amount: alkyl salicylate molybdenum 55 parts, kerosene 25 parts, dodecylbenzene sodium sulfonate 8 parts, sulfide isobutene 12 parts; It is sequentially added in reactor, at 60 DEG C, reacts 4h, it is thus achieved that yellow liquid.
Embodiment two: will according to each constituent mass summation 100% taken amount: dialkyl dithiophosphoric acid oxygen molybdenum 45 parts, diesel oil 35 parts, calcium dodecyl benzene sulfonate 5 parts, triethyl phosphate 15 parts; It is sequentially added in reactor, at 50 DEG C, reacts 4h, it is thus achieved that brown liquid.
Embodiment three: will according to each constituent mass summation 100% taken amount: molybdenum naphthenate 62 parts, white oil 23 parts, sulfated castor oil 5 parts, tributyl phosphate 10 parts; It is sequentially added in reactor, at 60 DEG C, reacts 5h, it is thus achieved that yellow liquid.
Embodiment four: will according to each constituent mass summation 100% taken amount: molybdenum dialkyldithiocarbamacompositions 65 parts, crude oil 15 parts, sorbitan monooleate 10 parts, di-n-butyl phosphite 10 parts; It is sequentially added in reactor, at 70 DEG C, reacts 6h, it is thus achieved that yellow liquid.
Embodiment five: will according to each constituent mass summation 100% taken amount: molybdenum naphthenate 60 parts, kerosene 24 parts, anhydrous sorbitol tristearate 6 parts, zinc dialkyl dithiophosphate 10 parts; It is sequentially added in reactor, at 80 DEG C, reacts 5h, it is thus achieved that brown liquid.
Embodiment six: will according to each constituent mass summation 100% taken amount: alkyl salicylate molybdenum 50 parts, crude oil 30 parts, Sorbitan polyoxyethylenated alcohol monoleate 10 parts, 10 parts of oleic acid diethanolamine boric acid fat; It is sequentially added in reactor, at 90 DEG C, reacts 4h, it is thus achieved that brown liquid.
Embodiment seven: will according to each constituent mass summation 100% taken amount: molybdenum dialkyldithiocarbamacompositions 55 parts, white oil 28 parts, Sorbitan polyoxyethylenated alcohol monopalmitate 8 parts, triethanolamine borate 9 parts; It is sequentially added in reactor, at 70 DEG C, reacts 5h, it is thus achieved that yellow liquid.
Embodiment eight: will according to each constituent mass summation 100% taken amount: molybdenum naphthenate 65 parts, diesel oil 20 parts, Sorbitan polyoxyethylenated alcohol monolaurate 7 parts, di-n-butyl phosphite 8 parts;It is sequentially added in reactor, at 60 DEG C, reacts 5h, it is thus achieved that yellow liquid.
Yellow that testing example one ~ example eight obtains or brown liquid in the middle resistance to elevated temperatures of water-base mud, result (result of row example one ~ example four is to explain) as shown in the table:
Concrete, each component of water-base mud is according to quality and 100% preparation: 3.0% bentonite slurry, 0.2%Na2CO3,0.2%NaOH, 0.5% inhibitor, 0.20% xanthan gum, 0.7% fluid loss additive, 0.5% viscosifier, 3.0% lubricant, 3.0% anti-sloughing agent, 2.0% film former.
The yellow obtained by embodiment or brown liquid aging 16h under 80 DEG C, 160 DEG C, 220 DEG C temperature conditions, density is without significant change, and viscosity relatively room temperature is without rising appreciably, and the trend that its viscosity with temperature raises and increases is little, temperature resistance good stability, temperature resistance reaches 220 DEG C.
Testing example one ~ example eight obtain yellow or brown liquid on mill vector impact, it is thus achieved that mill vector reduction rate % result as shown in the table (list example one, example three, example five, example seven result to explain):
As can be seen from the test results, the embodiment liquid of 0.4% ~ 1% is added, it is possible to effectively reduce metal mill vector more than 65%, intermetallic fretting wear is had protective effect.
Yellow that testing example one ~ example eight obtains or the greasy property of brown liquid, it is thus achieved that lubricating coefficient reduction rate % result as shown in the table (list example one, example three, example five, example seven result to explain):
As can be seen from the test results, the embodiment liquid of addition 0.5% ~ 1% is obvious at base slurry and the lubricant effect added in heavy sizing, and alternative or part substitutes lubricant, reduces lubricant use cost; And its lubricating coefficient reduction rate is all higher than 80%, lubrication drag reduction effect is more preferably.
Yellow that testing example one ~ example eight obtains or the limit wear-resistant pressure of brown liquid, before and after application of sample limit wear-resistant pressure value added kg result as shown in the table (list example two, example four, example six, example eight result to explain):
As can be seen from the test results, the embodiment liquid adding 0.5% ~ 1% at distilled water, base slurry and adds in heavy sizing, and before and after application of sample, limit wear-resistant pressure increase rate is bigger.
The yellow also embodiment one ~ example eight obtained or the compatibility of brown liquid are tested, it is shown that except can improving the greasy property of on-the-spot well slurry, well is starched other performances almost without impact, compatibility is good.
Drilling fluid Organic Friction-Reducing agent prepared by the present invention is adsorbed on sleeve pipe and drilling rod surface by organic anion, forms a floor height intensity extreme boundary lubrication film and plays wear-resistant effect. Have anti-220 DEG C of high temperature above, compatibility good, without obvious viscosity effect, onsite application is convenient, safeguard the features such as simple, during application, recommend dosage 0.5%-1%, suitable in high angle hole, horizontal well, high density drilling fluid and long period prospect pit, simultaneously alternative or part substitutes lubricant, reducing lubricant use cost, its lubrication drag reduction effect is more preferably.
Claims (6)
1. a drilling fluid Organic Friction-Reducing agent, it is characterised in that be made up of following components, each component is according to quality summation 100% proportioning:
Metal salts of organic acids 45-65 part;
Mineral oil 15-35 part;
Emulsifying agent 5-10 part;
Extreme pressure agent 8-15 part;
Described metal salts of organic acids is one or more in alkyl salicylate molybdenum, dialkyl dithiophosphoric acid oxygen molybdenum, molybdenum naphthenate, molybdenum dialkyldithiocarbamacompositions;
Described mineral oil is one or more in kerosene, diesel oil, white oil, crude oil;
Described emulsifying agent is dodecylbenzene sodium sulfonate, calcium dodecyl benzene sulfonate, sulfated castor oil, sorbitan monooleate, sorbitan trioleate, sorbitan monostearate, anhydrous sorbitol tristearate, sorbitan monopalmitate, sorbitan mono-laurate, Sorbitan polyoxyethylenated alcohol monoleate, Sorbitan polyoxyethylenated alcohol trioleate, Sorbitan polyoxyethylenated alcohol monostearate, Sorbitan polyoxyethylenated alcohol tristearate, Sorbitan polyoxyethylenated alcohol monopalmitate, one or more in Sorbitan polyoxyethylenated alcohol monolaurate,
Described extreme pressure agent is one or more in sulfide isobutene, triethyl phosphate, tributyl phosphate, di-n-butyl phosphite, zinc dialkyl dithiophosphate, oleic acid diethanolamine boric acid fat, triethanolamine borate.
2. drilling fluid Organic Friction-Reducing agent according to claim 1, it is characterised in that being made up of following components, each component is according to quality summation 100% proportioning:
Metal salts of organic acids 55 parts;
25 parts of mineral oil;
Emulsifying agent 8 parts;
Extreme pressure agent 12 parts.
3. drilling fluid Organic Friction-Reducing agent according to claim 1, it is characterised in that being made up of following components, each component is according to quality summation 100% proportioning:
Metal salts of organic acids 62 parts;
23 parts of mineral oil;
Emulsifying agent 5 parts;
Extreme pressure agent 10 parts.
4. the preparation method of drilling fluid Organic Friction-Reducing agent according to claim 1, it is characterized in that, according to proportioning taken amount, successively each component raw material after taken amount is inserted in reactor, 4-6h is reacted, it is thus achieved that yellow or brown liquid are anti-friction composition under the temperature conditions of 50-90 DEG C.
5. the preparation method of drilling fluid Organic Friction-Reducing agent according to claim 4, it is characterised in that described temperature conditions is 60 ~ 90 DEG C.
6. the preparation method of drilling fluid Organic Friction-Reducing agent according to claim 4, it is characterised in that the described response time is 5h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610199803.3A CN105647490B (en) | 2016-03-31 | 2016-03-31 | A kind of drilling fluid Organic Friction-Reducing agent and preparation method thereof |
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| CN201610199803.3A CN105647490B (en) | 2016-03-31 | 2016-03-31 | A kind of drilling fluid Organic Friction-Reducing agent and preparation method thereof |
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| CN105647490A true CN105647490A (en) | 2016-06-08 |
| CN105647490B CN105647490B (en) | 2019-01-29 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833557A (en) * | 2016-12-13 | 2017-06-13 | 中国石油天然气集团公司 | A kind of lubricant for drilling fluids and preparation method and application |
| CN106833564A (en) * | 2017-01-06 | 2017-06-13 | 中国石油天然气集团公司 | A kind of water-base drilling fluid and its application suitable for shale gas long well section horizontal well |
| CN106833563A (en) * | 2016-12-13 | 2017-06-13 | 中国石油天然气集团公司 | One kind can discharge sea water base drilling fluid and preparation method thereof |
| CN107474903A (en) * | 2017-08-25 | 2017-12-15 | 马鞍山中粮生物化学有限公司 | A kind of petroleum additive and preparation method thereof |
| CN108690576A (en) * | 2018-05-02 | 2018-10-23 | 中国石油大学(华东) | A kind of high temperature resistant lubricant for drilling liquid and preparation method thereof |
| CN109666461A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | A kind of drilling fluid drag reducer |
| CN110527499A (en) * | 2018-05-24 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid antifriction agent |
| CN110776882A (en) * | 2018-07-31 | 2020-02-11 | 中国石油化工股份有限公司 | Targeted friction-reducing resistance-reducing agent |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833557A (en) * | 2016-12-13 | 2017-06-13 | 中国石油天然气集团公司 | A kind of lubricant for drilling fluids and preparation method and application |
| CN106833563A (en) * | 2016-12-13 | 2017-06-13 | 中国石油天然气集团公司 | One kind can discharge sea water base drilling fluid and preparation method thereof |
| CN106833557B (en) * | 2016-12-13 | 2019-07-09 | 中国石油天然气集团公司 | A kind of lubricant for drilling fluids and the preparation method and application thereof |
| CN106833563B (en) * | 2016-12-13 | 2019-11-08 | 中国石油天然气集团公司 | One kind can discharge sea water base drilling fluid and preparation method thereof |
| CN106833564A (en) * | 2017-01-06 | 2017-06-13 | 中国石油天然气集团公司 | A kind of water-base drilling fluid and its application suitable for shale gas long well section horizontal well |
| CN106833564B (en) * | 2017-01-06 | 2019-07-09 | 中国石油天然气集团公司 | A kind of water-base drilling fluid and its application suitable for shale gas long well section horizontal well |
| CN107474903A (en) * | 2017-08-25 | 2017-12-15 | 马鞍山中粮生物化学有限公司 | A kind of petroleum additive and preparation method thereof |
| CN109666461A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | A kind of drilling fluid drag reducer |
| CN108690576A (en) * | 2018-05-02 | 2018-10-23 | 中国石油大学(华东) | A kind of high temperature resistant lubricant for drilling liquid and preparation method thereof |
| CN110527499A (en) * | 2018-05-24 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid antifriction agent |
| CN110527499B (en) * | 2018-05-24 | 2021-06-01 | 中国石油化工股份有限公司 | Antifriction resistance-reducing agent for oil-based drilling fluid |
| CN110776882A (en) * | 2018-07-31 | 2020-02-11 | 中国石油化工股份有限公司 | Targeted friction-reducing resistance-reducing agent |
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