CN102766444A - Drilling fluid inhibitor and preparation method thereof - Google Patents
Drilling fluid inhibitor and preparation method thereof Download PDFInfo
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- CN102766444A CN102766444A CN2012102741004A CN201210274100A CN102766444A CN 102766444 A CN102766444 A CN 102766444A CN 2012102741004 A CN2012102741004 A CN 2012102741004A CN 201210274100 A CN201210274100 A CN 201210274100A CN 102766444 A CN102766444 A CN 102766444A
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Abstract
The invention relates to drilling fluid inhibitor and a preparation method thereof and belongs to the technical field of treating agents for oilfield chemical drilling fluids. The preparation method includes the steps of firstly, allowing epichlorohydrin, water and catalyst to react at 60-100 DEG C for 3-8 hours according to a mole ratio of 1:(12-20):(0.02-0.12) so as to obtain 3-chloro-1, 2-propanediol solution; secondly, allowing alkyl glycoside and the 3-chloro-1, 2-propanediol to react at 80-110 DEG C for 0.5-4.0 hours according to a mole ratio of 1:(0.5-5) so as to obtain chlorohydrin glucoside solution; thirdly, adjusting pH of the chlorohydrin glucoside solution to 6-9, adding 33.3% dimethylamine solution according to a mole ratio of the chlorohydrin glucoside to the dimethylamine, 1:(0.2-2.2); and fourthly, adding crosslinking agent accounting for 2%-5% of the dimethylamine in effective content; and allowing for polymerization at 40-80 DEG C for 1-5 hours before concentration, drying and crushing to obtain the finished alkyl glucoside polyamide. Water is used as solvent in reaction. The preparation process is simple and environment-friendly, and the drilling fluid inhibitor is high in shale inhibition performance.
Description
Technical field:
The present invention relates to a kind of drilling fluid with suppressor factor and preparation method thereof, particularly relate to a kind of APG base polyamine and preparation method thereof, belong to oilfield chemistry additive for drilling fluid technical field.
Background technology:
At present, suppressor factor commonly used in the drilling fluid mainly contains pitch class, inorganic salts, synthetic polymer class etc., and these suppressor factor part that all comes with some shortcomings is unfavorable for environment protection like the pitch class; Silicate can make the system rheological be difficult to regulation and control; The APG class of developing in recent years, dosage is big, and cost is high, and rejection has much room for improvement, and can not effectively solve the drilling problem of mud shale.Amido suppressor factor and other treatment agents particularly negatively charged ion additive for drilling fluid compatibleness are bad, have limited its application.
Summary of the invention:
The purpose of this invention is to provide a kind of drilling fluid and use suppressor factor, its shale inhibition can be excellent.
Simultaneously, the present invention also provides the preparation method of a kind of drilling fluid with suppressor factor, and this reaction adopts water to do solvent, the simple environmental protection of preparation technology.
A kind of drilling fluid is used suppressor factor, and its general structure is:
In the formula: m=1,2,3
n=1,2,3,4；
a=1,2,3……；
-R is-CH
3,-C
2H
5,-CH
2CH
2OH ,-C
3H
7,-C
4H
9
For realizing above-mentioned purpose, the present invention takes following preparation method:
(1) be epoxy chloropropane with mol ratio: water: catalyzer is 1: (12～20): the raw material of (0.02～0.12) is put in the reactor drum; In temperature is under 60～100 ℃ of conditions, and the reaction 3～8h that is hydrolyzed obtains 3-chloro-1; The aqueous solution of 2-Ucar 35 is colourless transparent liquid;
(2) be 1 with mol ratio: the 3-chloro-1 of the APG of (0.5～5) and step (1) preparation; The 2-Ucar 35 is under 80～110 ℃ of conditions in temperature; After reacting 0.5～4.0h, obtain the aqueous solution of chloro-hydrin(e) glucosides, be colourless or faint yellow transparent viscous liquid;
(3) aqueous solution of the chloro-hydrin(e) glucosides of step (2) preparation being used the neutralizing agent pH value that neutralizes is 6～9; Again 33.3% dimethylamine agueous solution is joined chloro-hydrin(e) glucosides aqueous solution bottom, chloro-hydrin(e) glucosides and n n dimetylaniline mol ratio are 1: (0.2～2.2);
(4) add linking agent, dosage of crosslinking agent is 2%～5% of a n n dimetylaniline effective content, is 40～80 ℃ in temperature, and polyreaction 1～5h under the normal pressure obtains the APG base polyamine aqueous solution faint yellow or that safran is transparent;
(5) the APG base polyamine aqueous solution is concentrated, dries, pulverizes, promptly get APG base polyamine product.
Described APG is a kind of in methylglycoside, ethyl glucoside, terepthaloyl moietie glucosides, propyl group glucosides, the butyl glycoside.
Described catalyzer is a kind of in the composite mixing acid of mineral acid, organic acid or mineral acid and organic acid.
Described mineral acid is a kind of in sulfuric acid, nitric acid, the phosphoric acid; Organic acid is a kind of in tosic acid, Witco 1298 Soft Acid, the thionamic acid.
Described neutralizing agent is NaOH, KOH, Na
2CO
3, a kind of among the MgO.
Described linking agent is a kind of in quadrol, diethylenetriamine, triethylene tetramine, the TEPA.
The invention has the beneficial effects as follows with water to be solvent; The simple environmental protection of technological operation; The APG polyamine of preparation be one type of rejection good, can with the composite additive for drilling fluid preferably of other negatively charged ion additive for drilling fluid; And do not generate deposition, the APG base polyamine aqueous solution can effectively suppress shale and disperse, and prevents slump in.
Embodiment:
Embodiment 1
In the 500mL four-hole boiling flask of TM, prolong, whisking appliance is housed, add epoxy chloropropane 0.20mol, zero(ppm) water 2.40mol and tosic acid 0.004mol.At normal pressure, temperature is reacted 3h down for 60 ℃, obtains water white 3-chloro-1, the aqueous solution of 2-Ucar 35; Reduce to room temperature, add methylglycoside 0.40mol, at normal pressure, temperature is reacted 0.5h down for 80 ℃, obtains water white chloro-hydrin(e) glucosides viscous liquid; Reduce to room temperature, with the saturated aqueous sodium hydroxide solution pH ≈ 7 that neutralizes; Then 33.3% n n dimetylaniline 0.04mol being joined chloro-hydrin(e) glucosides aqueous solution bottom, add linking agent quadrol 0.0009mol again, is under 40 ℃ in temperature, and reaction 3h obtains the methylglycoside base polyamine aqueous solution faint yellow or that safran is transparent.Concentrate, dry, pulverize, promptly obtain APG base polyamine product, shale-control agent for drilling fluid promptly according to the invention.
Embodiment 2 ~ 7 steps are identical with embodiment 1, and concrete RM and reaction conditions are as shown in table 1:
Table 1 RM consumption and reaction conditions table
Can be known that by table 1 the present invention adopts APG, 3-chloro-1,2-Ucar 35 and n n dimetylaniline be preparation APG base polyamine under the condition that linking agent exists, because be solvent with water in the reaction process, and the simple and environmental protection of technological operation; Reaction conditions of the present invention is gentle, and the running time is short; The APG base polyamine shale inhibition that the present invention prepares can be excellent, is a kind of good shale-control agent for drilling fluid, and concentration is 1% the APG base polyamine aqueous solution; Under 120 ℃; Shale primary recovery 83.55%, secondary recovery rate 82.00%, relative recovery reaches 98.14%.
Methylglycoside base polyamine structural formula is as follows:
Ethyl glucoside base polyamine structural formula is as follows:
Butyl glycoside base polyamine structural formula is as follows:
In the formula: m=1,2,3
n=1,2,3,4
a=1,2,3……。
Claims (7)
1. a drilling fluid is used suppressor factor, it is characterized in that described suppressor factor is an APG base polyamine, and its general structure is:
In the formula: m=1,2,3
n=1,2,3,4；
a=1,2,3……；
-R is-CH
3,-C
2H
5,-CH
2CH
2OH ,-C
3H
7,-C
4H
9
2. a drilling fluid is characterized in that may further comprise the steps with the preparation method of suppressor factor:
(1) be epoxy chloropropane with mol ratio: water: catalyzer is 1: (12～20): the raw material of (0.02～0.12) is put in the reactor drum, is under 60～100 ℃ of conditions in temperature, and the reaction 3～8h that is hydrolyzed obtains 3-chloro-1, the aqueous solution of 2-Ucar 35;
(2) be 1 with mol ratio: the 3-chloro-1 of the APG of (0.5～5) and step (1) preparation, the 2-Ucar 35 is under 80～110 ℃ of conditions in temperature, react 0.5～4.0h after, obtain the aqueous solution of chloro-hydrin(e) glucosides;
(3) aqueous solution of the chloro-hydrin(e) glucosides of above-mentioned steps (2) preparation being used the neutralizing agent pH value that neutralizes is 6～9; Again 33.3% dimethylamine agueous solution is joined chloro-hydrin(e) glucosides aqueous solution bottom, chloro-hydrin(e) glucosides and n n dimetylaniline mol ratio are 1: (0.2～2.2);
(4) add linking agent, dosage of crosslinking agent is 2%～5% of a n n dimetylaniline effective content, is 40～80 ℃ in temperature, and polyreaction 1～5h under the normal pressure obtains the APG base polyamine aqueous solution;
(5) the APG base polyamine aqueous solution with step (4) preparation concentrates, dries, pulverizes, and promptly gets APG base polyamine product.
3. a kind of drilling fluid as claimed in claim 2 is with the preparation method of suppressor factor, it is characterized in that described APG is a kind of in methylglycoside, ethyl glucoside, terepthaloyl moietie glucosides, propyl group glucosides, the butyl glycoside.
4. a kind of drilling fluid as claimed in claim 2 is with the preparation method of suppressor factor, it is characterized in that described catalyzer is a kind of in the composite mixing acid of mineral acid, organic acid or mineral acid and organic acid.
5. a kind of drilling fluid as claimed in claim 4 is with the preparation method of suppressor factor, it is characterized in that described mineral acid is a kind of in sulfuric acid, nitric acid, the phosphoric acid; Described organic acid is a kind of in tosic acid, Witco 1298 Soft Acid, the thionamic acid.
6. a kind of drilling fluid as claimed in claim 2 is characterized in that with the preparation method of suppressor factor described neutralizing agent is NaOH, KOH, Na
2CO
3, a kind of among the MgO.
7. a kind of drilling fluid as claimed in claim 2 is with the preparation method of suppressor factor, it is characterized in that described linking agent is a kind of in quadrol, diethylenetriamine, triethylene tetramine and the TEPA.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210274100.4A CN102766444B (en) | 2012-08-02 | 2012-08-02 | Drilling fluid inhibitor and preparation method thereof |
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|---|---|---|---|
| CN201210274100.4A CN102766444B (en) | 2012-08-02 | 2012-08-02 | Drilling fluid inhibitor and preparation method thereof |
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| CN102766444A true CN102766444A (en) | 2012-11-07 |
| CN102766444B CN102766444B (en) | 2015-04-29 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360213A (en) * | 2013-07-30 | 2013-10-23 | 潍坊沃尔特化学有限公司 | Chloropropanediol purifying apparatus and production method thereof |
| CN104448100A (en) * | 2014-11-24 | 2015-03-25 | 卫辉市化工有限公司 | Preparation method of polymer inhibitor for drilling fluid |
| CN104830290A (en) * | 2015-04-30 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Preparation method for low-molecular-weight polyamine shale inhibitor used for drilling fluid |
| CN105838342A (en) * | 2016-04-24 | 2016-08-10 | 辽宁石油化工大学 | High-density cationic saccharide inhibitor for drilling fluids and preparation method thereof |
| CN106046068A (en) * | 2016-06-17 | 2016-10-26 | 长江大学 | Preparation method of modified polysaccharides lubrication collapse inhibitor |
| CN106336467A (en) * | 2016-08-25 | 2017-01-18 | 中国石油大学(北京) | Modified chitosan, preparation method thereof, application of chitosan as shale inhibitor, drilling fluid and application thereof |
| CN106432376A (en) * | 2015-08-10 | 2017-02-22 | 中石化石油工程技术服务有限公司 | Amine alkyl glycoside, preparation method and applications thereof |
| CN106432378A (en) * | 2015-08-10 | 2017-02-22 | 中石化石油工程技术服务有限公司 | Polyaminoalkyl glucoside, preparation method and application thereof |
| CN109694697A (en) * | 2017-10-23 | 2019-04-30 | 中石化石油工程技术服务有限公司 | A kind of drilling fluid polyamine shale inhibitor and preparation method thereof and drilling fluid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002083741A2 (en) * | 2001-04-17 | 2002-10-24 | Genencor International, Inc. | Method to bind enzyme to carrier using cationic copolymers and product produced thereby |
-
2012
- 2012-08-02 CN CN201210274100.4A patent/CN102766444B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002083741A2 (en) * | 2001-04-17 | 2002-10-24 | Genencor International, Inc. | Method to bind enzyme to carrier using cationic copolymers and product produced thereby |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360213A (en) * | 2013-07-30 | 2013-10-23 | 潍坊沃尔特化学有限公司 | Chloropropanediol purifying apparatus and production method thereof |
| CN103360213B (en) * | 2013-07-30 | 2014-11-26 | 潍坊沃尔特化学有限公司 | Chloropropanediol purifying apparatus and production method thereof |
| CN104448100A (en) * | 2014-11-24 | 2015-03-25 | 卫辉市化工有限公司 | Preparation method of polymer inhibitor for drilling fluid |
| CN104830290B (en) * | 2015-04-30 | 2017-08-01 | 中国石油集团渤海钻探工程有限公司 | The preparation method of drilling fluid low molecule amount polyamine shale control agent |
| CN104830290A (en) * | 2015-04-30 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Preparation method for low-molecular-weight polyamine shale inhibitor used for drilling fluid |
| CN106432376A (en) * | 2015-08-10 | 2017-02-22 | 中石化石油工程技术服务有限公司 | Amine alkyl glycoside, preparation method and applications thereof |
| CN106432378A (en) * | 2015-08-10 | 2017-02-22 | 中石化石油工程技术服务有限公司 | Polyaminoalkyl glucoside, preparation method and application thereof |
| CN106432376B (en) * | 2015-08-10 | 2019-02-22 | 中石化石油工程技术服务有限公司 | A kind of aminoalkyl glucosides and its preparation method and application |
| CN106432378B (en) * | 2015-08-10 | 2020-04-24 | 中石化石油工程技术服务有限公司 | Polyaminoalkyl glucoside and preparation method and application thereof |
| CN105838342A (en) * | 2016-04-24 | 2016-08-10 | 辽宁石油化工大学 | High-density cationic saccharide inhibitor for drilling fluids and preparation method thereof |
| CN106046068A (en) * | 2016-06-17 | 2016-10-26 | 长江大学 | Preparation method of modified polysaccharides lubrication collapse inhibitor |
| CN106046068B (en) * | 2016-06-17 | 2019-02-01 | 长江大学 | The preparation method of modified poly- polysaccharide lubricating collapse-resisting inhibitor |
| CN106336467A (en) * | 2016-08-25 | 2017-01-18 | 中国石油大学(北京) | Modified chitosan, preparation method thereof, application of chitosan as shale inhibitor, drilling fluid and application thereof |
| CN106336467B (en) * | 2016-08-25 | 2017-12-05 | 中国石油大学(北京) | Modification of chitosan and preparation method thereof and application and drilling fluid and its application as shale control agent |
| CN109694697A (en) * | 2017-10-23 | 2019-04-30 | 中石化石油工程技术服务有限公司 | A kind of drilling fluid polyamine shale inhibitor and preparation method thereof and drilling fluid |
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| CN102766444B (en) | 2015-04-29 |
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