CN103571441B - A kind of drilling fluid Wear-resistant drag reducer and preparation method thereof - Google Patents
A kind of drilling fluid Wear-resistant drag reducer and preparation method thereof Download PDFInfo
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- CN103571441B CN103571441B CN201310471487.7A CN201310471487A CN103571441B CN 103571441 B CN103571441 B CN 103571441B CN 201310471487 A CN201310471487 A CN 201310471487A CN 103571441 B CN103571441 B CN 103571441B
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- drag reducer
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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
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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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Abstract
The present invention relates to a kind of drilling fluid Wear-resistant drag reducer and preparation method thereof, wherein, Wear-resistant drag reducer formula primary raw material includes that vegetable oil acid, Oleum Gossypii semen, Cosan, diethanolamine and kerosene, auxiliary material include tributyl phosphate, organoclay and T323 extreme pressure anti-wear additives；The weight ratio that each component accounts for drag reducer total amount in drilling fluid Wear-resistant drag reducer is that vegetable oil acid 7%～13%, Oleum Gossypii semen 26%～31%, Cosan 6%～11%, diethanolamine 3%～5%, kerosene 27%～29%, auxiliary material add up to 12%～17%；The preparation method of drilling fluid Wear-resistant drag reducer, including sulfonating reaction, amidation process and neutralization mixture reaction.When carrying out drilling well using the present invention; drag reducer can be preferentially adsorbed on surface of drill stem; generate fine and close high intensity protecting film; reduce drilling fluid lubricating; reduce metal surface friction and wear; effectively reduce the extreme boundary lubrication coefficient and mud cake sticking coefficient of drilling fluid, the accident such as blocked portion in drilling process that reduces occurs.
Description
Technical field
The present invention relates to oil exploitation technical field of chemistry, more particularly to a kind of drilling fluid wear-resistant use drag reducer and its system
Preparation Method.
Background technology
With going deep into for petroleum natural gas exploration paces, deep-well, high angle hole, horizontal well are more and more, and at this
As long construction period or well track dog-leg severity are big in the work progress of class well, due to phase mutual friction between drilling tool and sleeve pipe,
Cause drill rod abrasion, sleeve pipe local wear down or worn-off to cause pit shaft to be unable to reach bearing requirements, bring to drilling well production seriously hidden
Suffer from or cause a serious accident, reduce the production life of well of Oil/gas Well, most probably cause great economic loss and casualties.?
In oil-gas mining drilling process, common lubricant under high temperature, high density, high solid phase, basic conditions, due to being crosslinked, degrading, waving
Send out, the factor such as breakdown of emulsion and lose activity, lubrication, drag reduction efficiency are substantially reduced.In addition, in High angle well section drilling process
In, drill string and borehole wall contact area increase, and frictional resistance increases, and well cleans ineffective, hole instability, it is most likely that cause undergauge,
Cave in and cutting bed formation, increased the moment of torsion and frictional resistance in drilling process.If lubricity and drag reduction control are bad,
Easily cause and glue the complex accidents such as card, mud drum, and cause the increase of flow resistance, reduce rate of penetration.
Therefore, a kind of drilling fluid Wear-resistant drag reducer that can effectively reduce the down-hole coefficient of friction resistance is developed, sleeve pipe is reduced
Abrasion, improve drilling fluid lubricity, reduce the down-hole coefficient of friction resistance, reduce adhesion bit freezing and bit balling probability, effectively
Bit speed is improved, Oil/gas Well exploration and development benefit is improved, in oil-gas mining drilling process, it appears particularly important.
Content of the invention
The present invention provides one kind and can be preferentially adsorbed on surface of drill stem, forms one layer of fine and close height on the surface of drilling tool and sleeve pipe
The protecting film of intensity, so as to substantially reduce metal surface friction and wear, while effectively reduce the extreme boundary lubrication coefficient of drilling fluid
With mud cake sticking coefficient, the drilling fluid Wear-resistant drag reducer that the accident such as blocked portion occurs in drilling process is reduced.
The present invention is achieved through the following technical solutions：
A kind of drilling fluid Wear-resistant drag reducer, it is characterised in that formula primary raw material includes vegetable oil acid, Oleum Gossypii semen, sulfur
Sulphur powder, diethanolamine, kerosene etc.；Auxiliary material includes tributyl phosphate, organoclay, T323 extreme pressure anti-wear additives etc..
Further, the weight ratio that each component accounts for drag reducer total amount in the drilling fluid Wear-resistant drag reducer is, vegetable oil acid
7%～13%, Oleum Gossypii semen 26%～31%, Cosan 6%～11%, diethanolamine 3%～5%, kerosene 27%～29% are auxiliary
Material and other materials total 12%～17%.
Further, in the vegetable oil acid, OA effective content is more than 95%.
Further, in the Oleum Gossypii semen, between 31%～34%, stearic acid effective content is 48% for Oleic acid effective content
Between～61%.
A kind of preparation method of drilling fluid Wear-resistant drag reducer, the method are comprised the following steps：
(1) under the conditions of sulfonating reaction, according to formula proportion described in claim 2, Oleum Gossypii semen is mixed with Cosan
Thing reaction obtains the sulfonation Oleum Gossypii semen complex of alpha-sulfonated fatty phosphate content >=75%；
(2) under the conditions of sulfonating reaction, according to formula proportion described in claim 2, vegetable oil acid is mixed with Cosan
Compound reaction obtains the sulfonated oleic acid complex of alpha-sulfonated fatty phosphate content >=75%；
(3) under amidation reaction condition, by the sulfonated oleic acid complex of step (2) gained with and diethanolamine mix instead
Should, obtain drag reducer host complex；
(4) under the conditions of neutralization reaction, by the sulfonation Oleum Gossypii semen complex of step (1) gained, the drag reduction of step (3) gained
The adjuvants such as agent host complex, kerosene and tributyl phosphate, organoclay, T323 extreme pressure anti-wear additives carry out mixture by formula proportion,
Obtain Wear-resistant drag reducer finished product.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (1) sulfonating reaction condition include that temperature is
160 DEG C, the time is 170～230min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (2) sulfonating reaction condition include that temperature is
160 DEG C, the time is 160～210min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (3) amidation reaction condition include temperature
For 130 DEG C～150 DEG C, the time is 160～220min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (4) neutralization reaction condition include that temperature is
Room temperature, time are 120～140min.
Drilling fluid Wear-resistant drag reducer according to the present invention is existed by multiple organic materials with extreme pressure property and wear resistence
It is composited under hot conditionss, has the beneficial effect that：
(1) drilling fluid according to the present invention Wear-resistant drag reducer high temperature resistance, fluorescence is adjustable, and extreme pressure anti-wear is good, and extreme pressure moistens
Slip is excellent, lifts production efficiency.
(2) present invention can generate the high intensity protecting film of densification, be preferentially adsorbed on surface of drill stem, reduce mantle friction and mill
Damage, effectively reduce the extreme boundary lubrication coefficient and mud cake sticking coefficient of drilling fluid, improve lubricity, reduce blocked portion etc. in drilling process
The generation of accident.
Specific embodiment
The present invention provides one kind and can be preferentially adsorbed on surface of drill stem, substantially reduces the product of metal surface friction and wear,
Also the extreme boundary lubrication coefficient and mud cake sticking coefficient of drilling fluid can effectively be reduced simultaneously, the accident such as blocked portion in drilling process that reduces is sent out
Raw drilling fluid Wear-resistant drag reducer.
The present invention is achieved through the following technical solutions：
A kind of drilling fluid Wear-resistant drag reducer, it is characterised in that formula primary raw material includes vegetable oil acid, Oleum Gossypii semen, sulfur
Sulphur powder, diethanolamine, kerosene etc.；Auxiliary material includes tributyl phosphate, organoclay and T323 extreme pressure anti-wear additives.
Further, the weight ratio that each component accounts for drag reducer total amount in the drilling fluid Wear-resistant drag reducer is, vegetable oil acid
7%～13%, Oleum Gossypii semen 26%～31%, Cosan 6%～11%, diethanolamine 3%～5%, kerosene 27%～29% are auxiliary
Material and other materials total 12%～17%.
Further, in the vegetable oil acid, OA effective content is more than 95%.
Further, in the Oleum Gossypii semen, between 31%～34%, stearic acid effective content is 48% for Oleic acid effective content
Between～61%.
A kind of preparation method of drilling fluid Wear-resistant drag reducer, the method are comprised the following steps：
(1) under the conditions of sulfonating reaction, according to formula proportion described in claim 2, Oleum Gossypii semen is mixed with Cosan
Thing reaction obtains the sulfonation Oleum Gossypii semen complex of alpha-sulfonated fatty phosphate content >=75%；
(2) under the conditions of sulfonating reaction, according to formula proportion described in claim 2, vegetable oil acid is mixed with Cosan
Compound reaction obtains the sulfonated oleic acid complex of alpha-sulfonated fatty phosphate content >=75%；
(3) under amidation reaction condition, by the sulfonated oleic acid complex of step (2) gained with and diethanolamine mix instead
Should, obtain drag reducer host complex；
(4) under the conditions of neutralization reaction, by the sulfonation Oleum Gossypii semen complex of step (1) gained, the drag reduction of step (3) gained
The adjuvants such as agent host complex, kerosene and tributyl phosphate, organoclay, T323 extreme pressure anti-wear additives carry out mixture by formula proportion,
Obtain Wear-resistant drag reducer finished product.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (1) sulfonating reaction condition include that temperature is
160 DEG C, the time is 170～230min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (2) sulfonating reaction condition include that temperature is
160 DEG C, the time is 160～210min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (3) amidation reaction condition include temperature
For 130 DEG C～150 DEG C, the time is 160～220min.
Further, the preparation method of the drilling fluid Wear-resistant drag reducer, step (4) neutralization reaction condition include that temperature is
Room temperature, time are 120～140min.
Additionally, present invention also offers the drilling fluid drag reducer prepared by said method.
Hereinafter will be described the present invention by embodiment.
In following test case, in the drilling fluid, contain following component：Sodium carbonate (Hubei Jingzhou City of 0.5 weight portion
Wanda Chemical Co., Ltd.), 5 weight portion sodium bentonites (Shandong Xin Tong bentonite company limited), 0.3 weight portion blanc fixe
(Guangxi Xin Li mining industry company limited), the sanlose (Puyang Xin Yuan polymer company limited) of 0.5 weight portion,
100 weight portion distilled water (meet 6,682 2008 three-level water quality standards of GB/T).
Embodiment 1：
Under the conditions of temperature is 160 DEG C of sulfonating reactions, the Cosan of the Oleum Gossypii semen of 28 weight portions and 9 weight portions is reacted
190min, obtains the sulfonation Oleum Gossypii semen complex that alpha-sulfonated fatty phosphate content is 77%, by the vegetable oil acid of 8 weight portions and 7 weights
The Cosan reaction 180min of amount part, obtains the sulfonated oleic acid complex that alpha-sulfonated fatty phosphate content is 75%；Then in amide
Change under reaction condition, by the diethanolamine of the sulfonated oleic acid complex and 3 weight portions of 35 weight portions under the conditions of 145 DEG C, amide
Change reaction 170min, obtain drag reducer host complex；Finally, by the sulfonation Oleum Gossypii semen complex of 36 weight portions, 21 weight portions
Drag reducer host complex, 28 parts of kerosene, 15 parts of adjuvant and other materials under normal temperature condition, mixture 130min is obtained
Arrive Wear-resistant drag reducer finished product CQ-1-01.Test result shows, the product density is density, 0.99g/cm3, swelling soil sample slurry
Mill vector reduction rate 64%, increases sample slurry mill vector reduction rate 56%, and swelling soil sample starches lubricating coefficient reduction rate 82%, plus
Retry sample slurry lubricating coefficient reduction rate 67%.
Embodiment 2：
Under the conditions of temperature is 160 DEG C of sulfonating reactions, the Cosan of the Oleum Gossypii semen of 29 weight portions and 10 weight portions is reacted
200min, obtains the sulfonation Oleum Gossypii semen complex that alpha-sulfonated fatty phosphate content is 79%, by the vegetable oil acid of 9 weight portions and 8 weights
The Cosan reaction 190min of amount part, obtains the sulfonated oleic acid complex that alpha-sulfonated fatty phosphate content is 74%；Then in amide
Change under reaction condition, by the diethanolamine of the sulfonated oleic acid complex and 4 weight portions of 38 weight portions under the conditions of 150 DEG C, amide
Change reaction 210min, obtain drag reducer host complex；Finally, by the sulfonation Oleum Gossypii semen complex of 38 weight portions, 20 weight portions
Drag reducer host complex, 26 parts of kerosene, 16 parts of adjuvant and other materials under normal temperature condition, mixture 140min is obtained
Arrive Wear-resistant drag reducer finished product CQ-1-02.Test result shows, the product density is density, 1.03g/cm3, swelling soil sample slurry
Mill vector reduction rate 65%, increases sample slurry mill vector reduction rate 58%, and swelling soil sample starches lubricating coefficient reduction rate 84%, plus
Retry sample slurry lubricating coefficient reduction rate 63%.
Embodiment 3：
Under the conditions of temperature is 160 DEG C of sulfonating reactions, the Cosan of the Oleum Gossypii semen of 30 weight portions and 10 weight portions is reacted
190min, obtains the sulfonation Oleum Gossypii semen complex that alpha-sulfonated fatty phosphate content is 79%, by the vegetable oil acid of 10 weight portions and 8 weights
The Cosan reaction 190min of amount part, obtains the sulfonated oleic acid complex that alpha-sulfonated fatty phosphate content is 73%；Then in amide
Change under reaction condition, by the diethanolamine of the sulfonated oleic acid complex and 5 weight portions of 39 weight portions under the conditions of 145 DEG C, amide
Change reaction 185min, obtain drag reducer host complex；Finally, by the sulfonation Oleum Gossypii semen complex of 39 weight portions, 23 weight portions
Drag reducer host complex, 27 parts of kerosene, 11 parts of adjuvant and other materials under normal temperature condition, mixture 125min is obtained
Arrive Wear-resistant drag reducer finished product CQ-1-03.Test result shows, the product density is density, 1.02g/cm3, swelling soil sample slurry
Mill vector reduction rate 65%, increases sample slurry mill vector reduction rate 53%, and swelling soil sample starches lubricating coefficient reduction rate 85%, plus
Retry sample slurry lubricating coefficient reduction rate 62%.
Although the present invention is described by reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, the description of above-described embodiment can be not limited to, in the range of claims, can make various in form and details
Change.
Claims (4)
1. a kind of drilling fluid Wear-resistant drag reducer, it is characterised in that formula includes primary raw material and auxiliary material, primary raw material bag
Include vegetable oil acid, Oleum Gossypii semen, Cosan, diethanolamine and kerosene；Auxiliary material includes tributyl phosphate, organoclay and T323 poles
Pressure antiwear additive；In the drilling fluid Wear-resistant drag reducer each component account for drag reducer total amount weight ratio as follows, each component weight ratio
Sum is 100%：
The vegetable oil acid 7%～13%, Oleum Gossypii semen 26%～31%, Cosan 6%～11%, diethanolamine 3%～5%,
Kerosene 27%～29%, auxiliary material total 12%～17%；
It is 160 DEG C in temperature, under the conditions of the time is the sulfonating reaction of 170～230min, will be anti-with sulfur powder mixture for Oleum Gossypii semen
The sulfonation Oleum Gossypii semen complex of alpha-sulfonated fatty phosphate content >=75% should be obtained；
It it is 160 DEG C in temperature, under the conditions of the time is the sulfonating reaction of 160～210min, by vegetable oil acid and sulfur powder mixture
Reaction obtains the sulfonated oleic acid complex of alpha-sulfonated fatty phosphate content >=75%；
It it is 130 DEG C～150 DEG C in temperature, the time is under the amidation reaction condition of 160～220min, and alpha-sulfonated fatty hydrochlorate is contained
The sulfonated oleic acid complex of amount >=75% and diethanolamine hybrid reaction, obtain drag reducer host complex；
It is room temperature in temperature, under the conditions of the time is the neutralization reaction of 120～140min, by alpha-sulfonated fatty phosphate content >=75%
Sulfonation Oleum Gossypii semen complex, drag reducer host complex, kerosene, tributyl phosphate, organoclay and T323 extreme pressure anti-wear additives are by matching somebody with somebody
Square ratio carries out mixture, obtains Wear-resistant drag reducer finished product.
2. drilling fluid Wear-resistant drag reducer according to claim 1, it is characterised in that in the vegetable oil acid, cis- 9- ten
Eight carbon enoic acid effective contents are more than 95%.
3. drilling fluid Wear-resistant drag reducer according to claim 1, it is characterised in that in the Oleum Gossypii semen, Oleic acid is effective
Between 31%～34%, stearic acid effective content is between 48%～61% for content.
4. a kind of preparation method of drilling fluid Wear-resistant drag reducer as claimed in claim 1, the method are comprised the following steps：
(1) temperature be 160 DEG C, under the conditions of the time is the sulfonating reaction of 170～230min, match somebody with somebody according to described in claim 1
Square ratio, the sulfonation Oleum Gossypii semen that Oleum Gossypii semen and Cosan mixture reaction obtain alpha-sulfonated fatty phosphate content >=75% is combined
Thing；
(2) temperature be 160 DEG C, under the conditions of the time is the sulfonating reaction of 160～210min, match somebody with somebody according to described in claim 1
Square ratio, the sulfonated oleic acid that vegetable oil acid obtains alpha-sulfonated fatty phosphate content >=75% with Cosan mixture reaction is combined
Thing；
(3) temperature be 130 DEG C～150 DEG C, the time is under the amidation reaction condition of 160～220min, by step (2) gained
Sulfonated oleic acid complex and diethanolamine hybrid reaction, obtain drag reducer host complex；
(4) temperature be 25 DEG C of room temperature, under the conditions of the time is the neutralization reaction of 120～140min, by the sulfonation of step (1) gained
Oleum Gossypii semen complex, the drag reducer host complex of step (3) gained, kerosene, tributyl phosphate, organoclay and T323 extreme pressures resist
Grinding agent carries out mixture by formula proportion, obtains Wear-resistant drag reducer finished product.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937468A (en) * | 2014-04-30 | 2014-07-23 | 西南石油大学 | Novel drilling fluid lubricant and preparation method thereof |
| CN106609130B (en) * | 2015-10-27 | 2019-12-27 | 新疆真帝石油科技有限公司 | Extreme pressure lubricant with condensation point lower than-25 ℃ for drilling fluid and preparation method thereof |
| CN105505338A (en) * | 2015-12-25 | 2016-04-20 | 新疆德邦石油科技有限公司 | Environment-friendly type drilling fluid anti-wear agent with high temperature resistance and preparation method of environment-friendly type drilling fluid anti-wear agent |
| 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 |
| CN109370547A (en) | 2018-11-15 | 2019-02-22 | 长江大学 | A kind of wear-resistant lubricant for drilling fluid and its preparation method and application |
| WO2022160171A1 (en) * | 2021-01-28 | 2022-08-04 | 中国石油化工股份有限公司 | Cyclic sulfide compound, vegetable oil composition containing same, manufacturing method therefor, and use thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329124A (en) * | 2001-04-30 | 2002-01-02 | 中海石油技术服务公司 | water-based mud extreme pressure lubricant |
| NO314591B2 (en) * | 1995-12-15 | 2003-04-14 | Superior Graphite Co | Procedure for preventing drilling fluid loss, as well as improving lubricating properties in the application of resilient graphitic carbon particles to the drilling fluid |
| WO2008103551A2 (en) * | 2007-02-19 | 2008-08-28 | M-I L.L.C. | Breaker and displacement fluid and method of use |
| CN102851006A (en) * | 2012-09-30 | 2013-01-02 | 中国石油集团西部钻探工程有限公司 | Bio-oil lubricant for drilling wells and preparation method of bio-oil lubricant |
-
2013
- 2013-10-11 CN CN201310471487.7A patent/CN103571441B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO314591B2 (en) * | 1995-12-15 | 2003-04-14 | Superior Graphite Co | Procedure for preventing drilling fluid loss, as well as improving lubricating properties in the application of resilient graphitic carbon particles to the drilling fluid |
| CN1329124A (en) * | 2001-04-30 | 2002-01-02 | 中海石油技术服务公司 | water-based mud extreme pressure lubricant |
| WO2008103551A2 (en) * | 2007-02-19 | 2008-08-28 | M-I L.L.C. | Breaker and displacement fluid and method of use |
| CN102851006A (en) * | 2012-09-30 | 2013-01-02 | 中国石油集团西部钻探工程有限公司 | Bio-oil lubricant for drilling wells and preparation method of bio-oil lubricant |
Non-Patent Citations (1)
| Title |
|---|
| 利用油脂工业下脚料制备钻井液处理剂;缪明富，郭建平;《钻采工艺》;19960525;第19卷(第05期);58-63 * |
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