CN108624308B - Bionical lubricant and its preparation method and application - Google Patents
Bionical lubricant and its preparation method and application Download PDFInfo
- Publication number
- CN108624308B CN108624308B CN201810284809.XA CN201810284809A CN108624308B CN 108624308 B CN108624308 B CN 108624308B CN 201810284809 A CN201810284809 A CN 201810284809A CN 108624308 B CN108624308 B CN 108624308B
- Authority
- CN
- China
- Prior art keywords
- formula
- acid
- lubricant
- water
- drilling fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/16—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
- C07C233/17—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/20—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a carbon atom of an acyclic unsaturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/16—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
- C07C233/24—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring
- C07C233/27—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring having the carbon atom of the carboxamide group bound to a carbon atom of an acyclic unsaturated carbon skeleton
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention relates to oil/gas drilling fields, and in particular to bionical lubricant and its preparation method and application.The lubricant contains the esterification products and/or amidated products of organic acid and phenolic compound;Wherein, the organic acid is the organic carboxyl acid of C10-C20;The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or a variety of.When the bionical lubricant provided by the invention is used as lubrication additive in water-base drilling fluid, it can be adsorbed in metal surface and rock surface well, and form secured oil film, play good lubricating action, while environmental protection is degradable.
Description
Technical field
The present invention relates to oil/gas drilling fields, and in particular to bionical lubricant and its preparation method and application.
Background technique
In complex hydrocarbon drilling process, in order to improve oil-gas mining efficiency, extended reach well and horizontal well probing are increasingly
Frequently.High frictional resistance and underground bit freezing also become a great problem of extended reach well and horizontal well probing.One side drilling torque increases,
Frictional dissipation increases, and drilling speed reduces;On the other hand high frictional resistance leads to the difficulty that makes a trip, and considerably increases the wind of underground bit freezing
Danger, while drilling tool is easy the serious accident that metal is tired out, and initiation drilling tool is broken under high friction environment.Therefore, extended reach well and
Horizontal well drilling requirements mud has the performance of low frictional resistance high lubrication.
Water-base drilling fluid has low cost, and environmental protection is easy to handle, and extemporaneous preparation safeguards simple equal many merits, in extended reach well
It is more and more with being applied in the probing of horizontal well.But water-base drilling fluid greasy property is significantly lower than oil base drilling fluid system, because
This needs lubricant to improve the greasy property of water-base drilling fluid.
Main water base lubricant domestic at present is the compounding of diesel oil, biodiesel, castor oil and emulsifier, defoaming agent.It is more
Number lubricant adsorption group is single, and in the case where long-time rubs, oil film is easy failure.The lubricant for compounding mineral oil simultaneously is difficult to give birth to
Object degradation, can not meet environmental requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of pair of drilling tools to have excellent lubricating action and environmentally friendly degradable bionical lubrication
Agent and its preparation method and application.
To achieve the goals above, one aspect of the present invention provides a kind of bionical lubricant, the lubricant contain organic acid and
The esterification products and/or amidated products of phenolic compound;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or more
Kind;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining be each independently selected from H, C1-C6 alkyl and-
L2- OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
Second aspect of the present invention provides a kind of preparation method of bionical lubricant, this method comprises: by organic acid and phenols
Compound carries out haptoreaction, wherein the catalytic temperature is 100-150 DEG C, preferably 110-130 DEG C;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or more
Kind;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining be each independently selected from H, C1-C6 alkyl and-
L2- OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
Third aspect present invention provides bionical lubricant prepared by the above method.
Fourth aspect present invention provides above-mentioned bionical lubricant in water-base drilling fluid as the application of additive.
Fifth aspect present invention provides the water-base drilling fluid for containing above-mentioned bionical lubricant.
Sixth aspect present invention provides application of the above-mentioned water-base drilling fluid in oil/gas drilling.
When the bionical lubricant provided by the invention is used as lubrication additive in water-base drilling fluid, it can inhale well
Metal surface and rock surface are invested, and forms secured oil film, plays good lubricating action, while environmental protection is degradable.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
One aspect of the present invention provides a kind of bionical lubricant, which contains organic acid and the esterification of phenolic compound produces
Object and/or amidated products;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or more
Kind;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining be each independently selected from H, C1-C6 alkyl and-
L2- OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
According to the present invention, the lubricant contains esterification products and/or the amidation of the organic acid and phenolic compound
Product namely the lubricant contain the organic acid and the hydroxyl progress esterification of phenolic compound obtains esterification products,
And/or in the phenolic compound there are in the case where amino, the lubricant contains the organic acid and phenolic compound
Amino carries out the resulting amidated products of amidation process;Wherein, multiple when above-mentioned phenolic compound has multiple hydroxyls
Hydroxyl can carry out esterification with polymolecular organic acid;When above-mentioned phenolic compound has multiple amino, multiple ammonia
Base can carry out amidation process with polymolecular organic acid;Or when above-mentioned phenolic compound has hydroxyl and amino, that
Hydroxyl can carry out esterification with polymolecular organic acid, and it is anti-that amino can carry out amidation with polymolecular organic acid again
It answers, to obtain the phenolic compound by ester bond and amido bond in conjunction with polymolecular organic acid;The lubricant can contain
One of above-mentioned product is a variety of, these situations are included within the scope of the invention.
According to the present invention, the alkyl of the C1-C6 for example may include: methyl, ethyl, n-propyl, isopropyl, positive fourth
Base, isobutyl group, sec-butyl, tert-butyl, n-pentyl, isopentyl, n-hexyl etc..
According to the present invention, the alkylidene that the alkylidene of the C0-C6 can be formed for the alkyl of above-mentioned C1-C6, wherein C0
Alkylidene refer to connecting key or be not present that the group at both ends is connected directly.
In accordance with the present invention it is preferred that R1-R5In at least one be selected from-L1-NH2, remaining be each independently selected from H,
The alkyl and-L of C1-C42- OH, L1And L2It is each independently selected from the alkylidene of C0-C4.
It is highly preferred that R1-R5In at least one be selected from-NH2、-CH2-NH2、-CH2CH2-NH2、-CH(CH3)-NH2、-
CH2CH2CH2-NH2、-CH(CH3)CH2-NH2、-CH2CH(CH3)-NH2Or-CH2CH2CH2CH2-NH2, remaining is each independently
Selected from H, methyl, ethyl, n-propyl, isopropyl, normal-butyl ,-OH ,-CH2-NH2、-CH2CH2-OH、-CH(CH3)-OH、-
CH2CH2CH2-OH、-CH(CH3)CH2-OH、-CH2CH(CH3)-OH or-CH2CH2CH2CH2-OH。
In a preferred embodiment of the invention, formula (1) compound represented is in compound shown in following formula
It is one or more:
Formula (1-1): in formula (1), R1-R2And R4-R5It is H, R3For-NH2(as para-aminophenol);
Formula (1-2): in formula (1), R1-R2And R4-R5It is H, R3For-CH2-NH2(as to aminomethyl phenol);
Formula (1-3): in formula (1), R1-R2And R4-R5It is H, R3For-CH2CH2-NH2(as to aminoethyl phenol);
Formula (1-4): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-NH2;
Formula (1-5): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2-NH2;
Formula (1-6): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2CH2-NH2(as dopamine).
According to the present invention, organic carboxyl acid of the organic acid for C10-C20, the long-chain organic carboxyl acid of preferably C10-C20,
It is highly preferred that the organic acid is in lauric acid, myristic acid, palmitinic acid, stearic acid, oleic acid, linoleic acid and arachidonic acid
It is one or more.
In accordance with the present invention it is preferred that the catechin compounds are catechin, nutgall catechin and epigallocatechin gallate
One of catechin gallate is a variety of.
According to the present invention, in order to obtain the more superior lubricant of lubricant effect, it is preferable that the organic acid and phenol generalization
The molar ratio for closing object is 1:0.5-1.2, preferably 1:0.8-1, especially 1:1-1.2.
Second aspect of the present invention provides a kind of preparation method of bionical lubricant, this method comprises: by organic acid and phenols
Compound carries out haptoreaction, wherein the catalytic temperature is 100-150 DEG C, preferably 110-130 DEG C;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or more
Kind;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining be each independently selected from H, C1-C6 alkyl and-
L2- OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
According to the present invention, the group in above-mentioned formula is as hereinbefore defined, and details are not described herein the present invention.Wherein, have
Machine acid and phenolic compound are also as described above, and details are not described herein by the present invention.
According to the present invention, by carrying out organic acid and phenolic compound at 100-150 DEG C, preferably 110-130 DEG C
Haptoreaction may make organic acid and phenolic compound to carry out esterification and/or amidation process.
Wherein, the dosage of the organic acid and phenolic compound can be adjusted according to molar ratio above, preferably
The molar ratio of ground, the organic acid and phenolic compound is 1:0.5-1.2, preferably 1:0.8-1, more preferably 1:1-1.2.
In the case of, according to the invention it is preferred to, the catalytic time is 5-12h, preferably 7-10h.
Third aspect present invention provides bionical lubricant prepared by the above method.
It should be understood that above-mentioned haptoreaction is there may be reacting not fully, resulting product is thus
It may possibly still be present a small amount of reactant for lubricant of the invention, i.e., the described lubricant contains organic acid and phenolic compound
Esterification products and/or amidated products also contain organic acid and/or phenolic compound, but this is within.
Fourth aspect present invention provides above-mentioned bionical lubricant in water-base drilling fluid as the application of additive.
Above-mentioned bionical method for preparing lubricant of the invention is convenient and simple, and resulting lubricant environmental protection is degradable, is being used for
When being used as lubrication additive in water-base drilling fluid, it can be adsorbed in metal surface and rock surface well, and formed secured
Oil film plays good lubricating action.
Fifth aspect present invention provides the water-base drilling fluid for containing above-mentioned bionical lubricant.
In the case of, according to the invention it is preferred to, on the basis of the total weight of the drilling fluid, the content of the bionical lubricant
For 1-5 weight %.
Drilling fluid of the invention as water-base drilling fluid can also be containing this field routine in water-base drilling fluid
Additive, such as can bentonite (such as can be sodium bentonite, calcium-base bentonite), 0.1- containing 2-4 weight %
Tackifier (such as can be partially hydrolyzed polyacrylamide (PHPA), sanlose), the 3-6 weight % of 0.5 weight %
The flow pattern regulator of fluid loss additive (such as can be sulfonated-pheno-formoldehyde resin, sulfonated-methyl brown coal resin), 0.1-0.3 weight %
Anti-sloughing agent (such as can be sulfonated gilsonite, potassium methyl silicate), the 2-4 weight % of (such as can be xanthan gum), 2-4 weight %
Lubricant (such as can be sulfonated oil foot, diesel oil and surfactant mixture), 0.5-2 weight % sealing agent (such as
Commercially available sealing agent ZHFD-1), the inhibitor (such as disclosed in CN104789195A) of 0.1-2 weight %, 0.1-2 weight %
Solid wall agent (such as disclosed in CN104177517A) and the barite of 10-20 weight % (such as can be barium sulfate content
For the barite of 90 weight % or more) one of or it is a variety of.
Sixth aspect present invention provides application of the above-mentioned water-base drilling fluid in oil/gas drilling.
Lubricant provided by the invention enables to be that water-base drilling fluid has excellent greasy property, can be in metal watch
The lubricating oil film wear resistance that face is formed is strong, can substantially reduce between metal and wear.
The present invention will be described in detail by way of examples below.
Embodiment 1
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The Dopamine hydrochloride of the oleic acid of 1mol and 0.8mol are reacted into 8h at 120 DEG C, it is as bionical to obtain brown liquid
Lubricant A1.
Embodiment 2
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The Dopamine hydrochloride of the oleic acid of 1mol and 1mol are reacted into 9h at 130 DEG C, obtaining brown liquid is bionical profit
Lubrication prescription A2.
Embodiment 3
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The Dopamine hydrochloride of the oleic acid of 1mol and 1.2mol are reacted into 10h at 120 DEG C, it is as bionical to obtain brown liquid
Lubricant A3.
Embodiment 4
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The para-aminophenol of the lauric acid of 1mol and 0.8mol are reacted into 8h at 120 DEG C, it is imitative for obtaining brown liquid
Raw lubricant A4.
Embodiment 5
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The tea polyphenols of the lauric acid of 0.7mol, the myristic acid of 0.3mol and 0.8mol are reacted into 8h at 120 DEG C, are obtained
Brown liquid is bionical lubricant A5.
Embodiment 6
The present embodiment is for illustrating bionical lubricant and preparation method thereof of the invention.
The Dopamine hydrochloride of the stearic acid of 1mol and 0.8mol are reacted into 8h at 120 DEG C, it is imitative for obtaining brown liquid
Raw lubricant A6.
Comparative example 1
The Dopamine hydrochloride of the oleic acid of 1mol and 1mol is stirred mixing, obtains lubricant DA1.
Test case 1
By clear water and contains lubricant (using diesel oil and white oil as control, diesel oil is purchased from Beijing treasure benefit company 0# bavin
Oil, white oil is 3# white oil purchased from Beijing treasure benefit company, the same below) clear water be lubricated coefficient test: select fann EP
Extreme boundary lubrication instrument measures the extreme boundary lubrication coefficient of not aged prepare liquid, and calculates lubricating coefficient reduced rate.
Wherein, lubricating coefficient reduced rate=(extreme boundary lubrication system of clear water of the extreme boundary lubrication coefficient-of clear water containing lubricant
Number)/clear water extreme boundary lubrication coefficient * 100%.
The results are shown in Table 1.
Table 1
EP lubricating coefficient | Lubricating coefficient reduced rate | |
Clear water | 0.36 | / |
+ 1 weight % lubricant A1 of clear water | 0.05 | 86.11% |
+ 1 weight % lubricant A2 of clear water | 0.03 | 91.7% |
+ 1 weight % lubricant A3 of clear water | 0.04 | 88.89% |
+ 1 weight % lubricant A4 of clear water | 0.09 | 75% |
+ 1 weight % lubricant A5 of clear water | 0.08 | 77.8% |
+ 1 weight % lubricant A6 of clear water | 0.09 | 75% |
+ 1 weight % lubricant DA1 of clear water | 0.15 | 58.33% |
+ 1 weight % diesel oil of clear water | 0.26 | 27.8% |
+ 1 weight % white oil of clear water | 0.25 | 30.5% |
Clear water | 0.36 | 0% |
It can be seen that lubricant provided by the invention by the data of upper table 1 and enable to be water-base drilling fluid with excellent
Different greasy property.
Test case 2
Base slurry preparation: the natrium carbonicum calcinatum and 40 weights of 3 parts by weight are sequentially added while stirring into the water of 1000 parts by weight
The bentonite (sodium bentonite purchased from Weifang Hua Wei bentonite Co., Ltd) for measuring part continues to stir 8h after adding, then close
Envelope stands 16h, so that base slurry be made.
Above-mentioned base slurry is stirred with lubricant and is mixed, so that the content of lubricant is 1 weight %.
(1) lubricating coefficient is tested: the extreme pressure for the prepare liquid for selecting fann EP extreme boundary lubrication instrument to measure after 120 DEG C of aging 16h
Lubricating coefficient, and calculate lubricating coefficient reduced rate.
Wherein, lubricating coefficient reduced rate=(extreme boundary lubrication system of base slurry of the extreme boundary lubrication coefficient-of base slurry containing lubricant
Number)/base slurry extreme boundary lubrication coefficient * 100%.The results are shown in Table 2.
(2) standard is measured according to Q/SY 1088-2007 greasy property, is surveyed using NF-2 type filter cake tester for viscosity factor
Measure base slurry aging before and the filter cake sticking coefficient after 120 DEG C of aging 16h;The results are shown in Table 3.
Table 2
EP lubricating coefficient | Lubricating coefficient reduced rate | |
Base slurry | 0.52 | / |
Base starches+1 weight % lubricant A1 | 0.08 | 84.6% |
Base starches+1 weight % lubricant A2 | 0.04 | 92.3% |
Base starches+1 weight % lubricant A3 | 0.05 | 90.4% |
Base starches+1 weight % lubricant A4 | 0.14 | 73.1% |
Base starches+1 weight % lubricant A5 | 0.12 | 76.9% |
Base starches+1 weight % lubricant A6 | 0.10 | 80.8% |
Base starches+1 weight % lubricant DA1 | 0.25 | 51.9% (severe blister) |
Base starches+1 weight % diesel oil | 0.38 | 26.9% |
Base starches+1 weight % white oil | 0.40 | 23.08% |
Table 3
It can be seen that lubricant provided by the invention by the data of table 2 and 3 and enable to be water-base drilling fluid with excellent
Different greasy property.
Test case 3
Base slurry is configured according to test case 2, above-mentioned base slurry is stirred with lubricant and is mixed, so that the content of lubricant is
1 weight %.Coefficient of friction is starched using serial base of the four ball frictional testing machines test containing lubricant of MRS, test condition 150N turns
Fast 100rpm, 25 DEG C of test temperature, the time 20 minutes;It the results are shown in Table shown in 4.
Table 4
Sample | 20min coefficient of friction |
Base slurry | 0.56 |
Base starches+1 weight % lubricant A1 | 0.09 |
Base starches+1 weight % lubricant A2 | 0.05 |
Base starches+1 weight % lubricant A3 | 0.06 |
Base starches+1 weight % lubricant A4 | 0.22 |
Base starches+1 weight % lubricant A5 | 0.14 |
Base starches+1 weight % lubricant A6 | 0.15 |
Base starches+1 weight % lubricant DA1 | 0.32 |
Base starches+1 weight % diesel oil | 0.45 |
Base starches+1 weight % white oil | 0.47 |
It can be seen from Table 4 that lubricant provided by the invention enables to water-base drilling fluid anti-with better extreme pressure
Mill effect.
Test case 4
According to the BOD of the clear water of above-mentioned lubricant A1-A6 of the standard HJ505-2009 measurement containing 0.5 weight %5Value, is pressed
Their COD is measured according to national standard GB/T11914-89CrValue, and BOD is obtained by calculation5/CODCrValue, the results are shown in Table 5.
Table 5
It can be seen that lubricant of the invention with excellent biodegradable by the data of table 5.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (25)
1. a kind of bionical lubricant is in water-base drilling fluid as the application of additive, which is characterized in that the lubricant, which contains, to be had
The esterification products and/or amidated products of machine acid and phenolic compound;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or a variety of;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining is each independently selected from the alkyl and-L of H, C1-C62-
OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
2. application according to claim 1, wherein R1-R5In at least one be selected from-L1-NH2, remaining is respectively independent
Ground is selected from the alkyl and-L of H, C1-C42- OH, L1And L2It is each independently selected from the alkylidene of C0-C4.
3. application according to claim 2, wherein R1-R5In at least one be selected from-NH2、-CH2-NH2、-CH2CH2-
NH2、-CH(CH3)-NH2、-CH2CH2CH2-NH2、-CH(CH3)CH2-NH2、-CH2CH(CH3)-NH2Or-CH2CH2CH2CH2-NH2,
Remaining is each independently selected from H, methyl, ethyl, n-propyl, isopropyl, normal-butyl ,-OH ,-CH2-NH2、-CH2CH2-OH、-
CH(CH3)-OH、-CH2CH2CH2-OH、-CH(CH3)CH2-OH、-CH2CH(CH3)-OH or-CH2CH2CH2CH2-OH。
4. application according to claim 3, wherein formula (1) compound represented is one of compound shown in following formula
Or it is a variety of:
Formula (1-1): in formula (1), R1-R2And R4-R5It is H, R3For-NH2;
Formula (1-2): in formula (1), R1-R2And R4-R5It is H, R3For-CH2-NH2;
Formula (1-3): in formula (1), R1-R2And R4-R5It is H, R3For-CH2CH2-NH2;
Formula (1-4): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-NH2;
Formula (1-5): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2-NH2;
Formula (1-6): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2CH2-NH2。
5. application described in any one of -4 according to claim 1, wherein the organic acid is lauric acid, myristic acid, palm fibre
One of palmitic acid acid, stearic acid, oleic acid, linoleic acid and arachidonic acid are a variety of.
6. application according to claim 5, wherein the catechin compounds be catechin, nutgall catechin and
One of Epigallo-catechin gallate (EGCG) is a variety of.
7. application described in any one of -4 and 6 according to claim 1, wherein the organic acid and phenolic compound rub
You are than being 1:0.5-1.2.
8. application according to claim 7, wherein the molar ratio of the organic acid and phenolic compound is 1:0.8-1.2.
9. application according to claim 8, wherein the molar ratio of the organic acid and phenolic compound is 1:1-1.2.
10. application according to claim 1, wherein the bionical lubricant is made by following methods, this method comprises:
Organic acid and phenolic compound are subjected to haptoreaction, wherein the catalytic temperature is 100-150 DEG C.
11. application according to claim 10, wherein the catalytic temperature is 110-130 DEG C.
12. application according to claim 10, wherein the catalytic time is 5-12h.
13. containing the water-base drilling fluid of bionical lubricant, which is characterized in that the lubricant contains organic acid and phenolic compound
Esterification products and/or amidated products;
Wherein, the organic acid is the organic carboxyl acid of C10-C20;
The phenolic compound is one of formula (1) compound represented, tea polyphenols and catechin compounds or a variety of;
Formula (1)
Wherein, R1-R5In at least one be selected from-L1-NH2, remaining is each independently selected from the alkyl and-L of H, C1-C62-
OH, L1And L2It is each independently selected from the alkylidene of C0-C6.
14. water-base drilling fluid according to claim 13, wherein R1-R5In at least one be selected from-L1-NH2, remaining
It is each independently selected from the alkyl and-L of H, C1-C42- OH, L1And L2It is each independently selected from the alkylidene of C0-C4.
15. water-base drilling fluid according to claim 14, wherein R1-R5In at least one be selected from-NH2、-CH2-NH2、-
CH2CH2-NH2、-CH(CH3)-NH2、-CH2CH2CH2-NH2、-CH(CH3)CH2-NH2、-CH2CH(CH3)-NH2Or-
CH2CH2CH2CH2-NH2, remaining is each independently selected from H, methyl, ethyl, n-propyl, isopropyl, normal-butyl ,-OH ,-CH2-
NH2、-CH2CH2-OH、-CH(CH3)-OH、-CH2CH2CH2-OH、-CH(CH3)CH2-OH、-CH2CH(CH3)-OH or-
CH2CH2CH2CH2-OH。
16. water-base drilling fluid according to claim 15, wherein formula (1) compound represented is compound shown in following formula
One of or it is a variety of:
Formula (1-1): in formula (1), R1-R2And R4-R5It is H, R3For-NH2;
Formula (1-2): in formula (1), R1-R2And R4-R5It is H, R3For-CH2-NH2;
Formula (1-3): in formula (1), R1-R2And R4-R5It is H, R3For-CH2CH2-NH2;
Formula (1-4): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-NH2;
Formula (1-5): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2-NH2;
Formula (1-6): in formula (1), R1-R2And R4It is H, R5For-OH, R3For-CH2CH2-NH2。
17. water-base drilling fluid described in any one of 3-16 according to claim 1, wherein the organic acid is lauric acid, meat
One of myristic acid, palmitinic acid, stearic acid, oleic acid, linoleic acid and arachidonic acid are a variety of.
18. water-base drilling fluid according to claim 17, wherein the catechin compounds are catechin, galla turcica
One of catechin and Epigallo-catechin gallate (EGCG) are a variety of.
19. water-base drilling fluid described in any one of 3-16 and 18 according to claim 1, wherein the organic acid and phenols
The molar ratio of compound is 1:0.5-1.2.
20. water-base drilling fluid according to claim 19, wherein the molar ratio of the organic acid and phenolic compound is 1:
0.8-1.2。
21. water-base drilling fluid according to claim 20, wherein the molar ratio of the organic acid and phenolic compound is 1:
1-1.2。
22. water-base drilling fluid according to claim 13, wherein the bionical lubricant is made by following methods, the party
Method includes: that organic acid and phenolic compound are carried out haptoreaction, wherein the catalytic temperature is 100-150 DEG C.
23. water-base drilling fluid according to claim 22, wherein the catalytic temperature is 110-130 DEG C.
24. water-base drilling fluid according to claim 22, wherein the catalytic time is 5-12h.
25. application of the water-base drilling fluid in oil/gas drilling described in any one of claim 13-24.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810284809.XA CN108624308B (en) | 2018-04-02 | 2018-04-02 | Bionical lubricant and its preparation method and application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810284809.XA CN108624308B (en) | 2018-04-02 | 2018-04-02 | Bionical lubricant and its preparation method and application |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108624308A CN108624308A (en) | 2018-10-09 |
CN108624308B true CN108624308B (en) | 2019-02-26 |
Family
ID=63696695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810284809.XA Active CN108624308B (en) | 2018-04-02 | 2018-04-02 | Bionical lubricant and its preparation method and application |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108624308B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114181677B (en) * | 2021-11-24 | 2023-06-16 | 中国石油天然气集团有限公司 | Emulsifier, preparation method and application thereof and water-in-oil emulsified drilling fluid |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2923718B1 (en) * | 2007-11-15 | 2009-12-18 | Caudalie | COMPOSITIONS OF FLAVONOIDIC POLYPHENOLIC DERIVATIVES AND THEIR APPLICATIONS TO COMBAT PATHOLOGIES AND AGING LIVING ORGANISMS |
CN103111330B (en) * | 2013-01-25 | 2015-04-01 | 淮阴工学院 | Preparation method of magnetic nano triphenylphosphine catalysis ligand |
CN107021890A (en) * | 2017-04-27 | 2017-08-08 | 西安石油大学 | A kind of preparation method for suppressing oil acid corrosion high-temperature corrosion inhibitor |
-
2018
- 2018-04-02 CN CN201810284809.XA patent/CN108624308B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN108624308A (en) | 2018-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2601671C2 (en) | Use of hyperbranched polylysine as shale inhibitor | |
CN107722952B (en) | Water-base drilling fluid synthesis ester lubricant and water-base drilling fluid | |
CN103614129B (en) | Oil/gas Well inhibition foaming water discharge agent and preparation method thereof | |
CN103059825B (en) | Corrosion inhibitor for oil wells and preparation method | |
US9890315B2 (en) | Use of polylysine as a shale inhibitor | |
CN103087690B (en) | Application of aromatic amine hydrochloride serving as shale inhibitor for drilling fluid | |
CN102863584B (en) | Preparation method for macromolecule emulsion coating agent for drilling fluid | |
US20050124525A1 (en) | Anionic viscoelastic surfactant | |
CN108624308B (en) | Bionical lubricant and its preparation method and application | |
CN109694473B (en) | Polyether amine shale inhibitor for drilling fluid, preparation method of polyether amine shale inhibitor and drilling fluid | |
CN104164225B (en) | A kind of method of viscosity reduction composition and reducing thick oil viscosity | |
CN105647490A (en) | Organic antifriction composition for drilling fluid and preparation method of organic antifriction composition | |
CN112592701B (en) | Oil-based drilling fluid based on chlorinated fatty acid ester and preparation method and application thereof | |
CN105239076A (en) | Dissymmetric bis-quaternary ammonium carbon dioxide corrosion inhibitor and preparation method thereof | |
CN103756654B (en) | Salt-resistant high-density isolation liquid and preparation method thereof | |
CN104449601B (en) | Suppressed dose of drilling fluid bag and preparation method thereof and application | |
CN104531323A (en) | Nitrite-free concentrated solution for rapidly biodegrading mine prop and preparation method | |
CN105713591B (en) | Invert emulsion drilling fluid and preparation method thereof | |
CN102850396B (en) | A kind of amido boron phosphonate ester and preparation method thereof | |
CN107829094A (en) | Sulfur resistive high temperature resistant corrosion inhibitor and preparation method thereof | |
CN102660244A (en) | Composite-type oil-gas field corrosion inhibitor | |
CN115124982A (en) | Diverting acid and preparation method and application thereof | |
CN110527499B (en) | Antifriction resistance-reducing agent for oil-based drilling fluid | |
CN110776882A (en) | Targeted friction-reducing resistance-reducing agent | |
CN111320659B (en) | Sulfamidoglyceryl glycoside, preparation method thereof and drilling fluid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |