CN107011876A - A kind of drilling fluid compounded lubricant and preparation method thereof, application - Google Patents
A kind of drilling fluid compounded lubricant and preparation method thereof, application Download PDFInfo
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- CN107011876A CN107011876A CN201710361746.9A CN201710361746A CN107011876A CN 107011876 A CN107011876 A CN 107011876A CN 201710361746 A CN201710361746 A CN 201710361746A CN 107011876 A CN107011876 A CN 107011876A
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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
- C09K2208/34—Lubricant additives
Abstract
The invention provides drilling fluid compounded lubricant, mainly it is made by following raw material：In terms of mass fraction, 60 90 parts of AEO, 30 60 parts of fatty acid ester discards 20 40 parts of animal fat, 5 10 parts of styrene, water-soluble 59 parts of carbon black, 25 parts of graphite alkenes material, 13 parts of extreme pressure anti-wear additives, 13 parts of dispersant, 13 parts of defoamer.Preparation method includes：By AEO, fatty acid ester, discarded animal fat and styrene are mixed evenly；Water-soluble carbon black is added successively, graphite alkenes material, extreme pressure anti-wear additives, dispersant, defoamer is mixed, side stirring is cooled to 50 70 DEG C, form uniform emulsion and produce.Drilling fluid compounded lubricant temperature resistance itself, the anti-pressure ability of the present invention is strong, and good greasy property can be still kept under high-temperature and high-pressure conditions, and its composition is main using biodiesel as raw material, does not include the composition of pollution.
Description
Technical field
The present invention relates to oil drilling preparation field, in particular to a kind of drilling fluid compounded lubricant and its system
Preparation Method, application.
Background technology
As petroleum exploration and development is to deep and marine development, deep-well, ultradeep well and special well probing are increasingly
Many, particularly superhigh temperature, the probing on super-pressure stratum also proposes requirements at the higher level accordingly to drilling fluid.
Mud shale stratum is high due to its contained clay ratio, and easy aquation brings great negative effect to drillng operation,
Often occur a series of down hole problems such as borehole well instability, caliper expansion, bit freezing, moment of torsion and resistance increase in drilling process, increase
Drilling well difficulty is added.In oil drilling completion practice, drill bit is unavoidable when creeping into produce various frictions, cause equipment to grind
Damage.In order to reduce the energy loss and device damage that component of machine is produced by friction in operation, countries in the world are actively ground
The various lubricant mediums to reduce frictional resistance, slow down its abrasion of system, i.e. lubricant for drilling fluid, to reach the mesh of lubrication drag reduction
's.
Lubricant main purpose used in general drilling fluid be in order to reduce frictional resistance, reduce the coefficient of viscosity of mud cake,
But temperature resistance ability itself is poor, lubricant effect is significantly deteriorated under conditions of high temperature and high salt, adds deep drilling construction
Middle differential sticking, drilling rod easily takes off pressure, especially in irregular hole diameter and inclined shaft and directional well, the abrasion increase to drilling rod.
In addition, drilling well of the prior art is generally mineral type lubricant with lubricating oil, main component is hydrocarbon compound, this
The lubricating oil of type not environmentally, can be trapped in water and soil during use in itself, pollute environment, and damage ratio is tighter
The microorganism of soil can also be caused to poison during weight, so seriously limit the application of lubricant in itself, be unfavorable for
Continue to expand application.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of drilling fluid compounded lubricant, the compounded lubricant by raw material it
Between mutual 5 match somebody with somebody after, the compounded lubricant prepared temperature resistance itself, anti-pressure ability are strong, under high-temperature and high-pressure conditions according to
Old to keep good greasy property, its composition is main using biodiesel as raw material, such as animal fat, and fatty acid ester etc. does not have
There is the composition for including pollution, it is relatively more environmentally friendly, suitable for wide popularization and application, and it has been correspondingly improved these discarded animal oil
The added value of fat, realizes resource reutilization.
The second object of the present invention is the preparation method for providing above-mentioned compounded lubricant, and preparation method is relatively easy, behaviour
Facilitate, operating condition is also relatively gentleer, front and rear step linking is close, and three wastes are produced, safety and environmental protection, belong to preferably a kind of
Preparation method.
The third object of the present invention is the application for providing above-mentioned drilling fluid compounded lubricant, can be widely applied to oil field
Drilling applications, are added in drilling well base fluid and use, easy to use, suitable for wide popularization and application.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
The invention provides a kind of drilling fluid compounded lubricant, mainly it is made by following raw material：In terms of mass fraction, fat
60-90 parts of fat alcohol APEO, 30-60 parts of fatty acid ester discards 20-40 parts of animal fat, and 5-10 parts of styrene is water-soluble
5-9 parts of carbon black, 2-5 parts of graphite alkenes material, 1-3 parts of extreme pressure anti-wear additives, 1-3 parts of dispersant, 1-3 parts of defoamer.
In the prior art, the lubricant main purpose used in general drilling fluid is to reduce frictional resistance, reduce mud cake
The coefficient of viscosity, but temperature resistance ability itself is poor, and lubricant effect is significantly deteriorated under conditions of high temperature and high salt, adds depth
Differential sticking in well wellbore construction, drilling rod easily takes off pressure, especially in irregular hole diameter and inclined shaft and directional well, to drilling rod
Abrasion increase.
In addition, drilling well of the prior art is generally mineral type lubricant with lubricating oil, main component is hydrocarbon compound, this
The lubricating oil of type not environmentally, can be trapped in water and soil during use in itself, pollute environment, and damage ratio is tighter
The microorganism of soil can also be caused to poison during weight, so seriously limit the application of lubricant in itself, be unfavorable for
Continue to expand application.
The present invention is in order to solve the above technical problems, there is provided a kind of drilling fluid compounded lubricant, the compounded lubricant
It is the material composition of natural environmental-protective, make use of AEO, fatty acid ester, these natural goodses of discarded animal fat
The advantage of some aspects of matter is carried out after compatibility with other components, and the lubricant combination property prepared is more excellent, prior art
In on the present invention the lubricant for preparing of specific components raw material without any record, the solution of the present invention is for expansion
The marketing of big lubricant has important meaning.
In the present invention, AEO, fatty acid ester, discarded animal fat primarily serves lubricant effect
Major ingredient, except three of the above major ingredient, the present invention and creative with the addition of styrene, water-soluble carbon black, and graphite alkenes thing
Matter, the addition of these materials can make it that in high temperature, the drilling operation course of high pressure lubricant, which remains unchanged, can keep good profit
Sliding effect, improves the heat-resisting property of lubricant in itself, and further increase lubricant effect.
Wherein, the present invention is turned waste into wealth with waste animal and vegetable oil (gutter oil) for raw material, not only promotes China
" minimizing, innoxious, recycling " processing of domestic waste, constructs the Mode of Circular of sustainable development, green
Colour circle protects purifying contaminated thing, also improves the added value of corresponding discarded object, realizes resource reutilization.
Preferably, fatty acid ester includes one kind in glycerine fatty acid fat, propane diols list olein, triethanolamine oleate fat
Or several combinations.
In the present invention, graphene is a kind of two-dimensional material for the alveolate texture being made up of individual layer sp2 hydbridized carbon atoms,
With many excellent performances.The basic structural unit of graphene be organic material in most stable of benzene hexatomic ring, be at present most
Preferable two-dimension nano materials, it has a mechanical performance of excellent electric conductivity and high intensity, therefore in novel energy, biological pass
There are wide Research Prospects in the fields such as sense, catalysis, optical material, and inventor exactly make use of the characteristic of graphene itself, will
Its with after other material matching uses, the various aspects of performance of lubricant can be significantly improved, while water-soluble carbon black, styrene with
It can play a part of assisting synergy after graphene is compound, styrene can have more preferable intermiscibility with other greases, be it
He provides the medium that preferably dissolves each other by material.
The graphite alkenes material of the present invention can include graphene, biomass graphene, graphene oxide, graphene and derive
One or more of mixing in thing, as long as belong to the material of graphene category class material in fact, the protection in the present invention
In the range of.
In addition, the present invention also added three kinds of auxiliary agents, extreme pressure anti-wear additives, dispersant and defoamer.Extreme pressure anti-wear additives
Effect is：During boundary lubrication, when metal surface is solely subjected to moderate duty, the additive can be attracted to metal watch
On face or with metal surface sharp wear, so as to reach wear-resistant effect.Extreme-pressure wear-resistant agent can include organic chloride, organic
One or more of combinations in phosphide, organic metal salt, borate.
Preferably, the organic chloride is chlorinated paraffin, chlorinated paraffin or chlorinated paraffin.
Preferably, the organic sulfur compound is sulfurized lard, sulfuration cottonseed oil or sulfide isobutene.
Preferably, the organic phosphorus compound are tricresyl phosphate, triphenyl phosphate, triethyl phosphate, tributyl phosphate
Or di-n-butyl phosphite.
Preferably, the organic metal salt for have dialkyl dithiocarbamate, dialkyl dithiophosphate or
Lead naphthenate.
Dispersant, which can be reduced, completes the time required for dispersion process and energy, the stable material disperse, modification material
Expect particle surface properties, adjust material particles motility, dispersant of the invention may include xylonic acid sodium, polyacrylamide,
One or more of combinations in cellulose derivative.
Defoamer can reduce surface tension, suppress the generation or elimination of foam, be preferably selected when carrying out specifically chosen
Silanes defoamer, the type defoamer source is wide, easily obtains, and effect is good.
It is preferably to further improve in the effect of synergy after compatibility between lubricant raw material itself, each raw material dosage,
In terms of mass fraction, 65-85 parts of AEO, 35-55 parts of fatty acid ester discards 25-35 parts of animal fat, benzene second
7-9 parts of alkene, water-soluble carbon black 6-8 parts, 3-4 parts of graphite alkenes material, 1-2 parts of extreme pressure anti-wear additives, 1-2 parts of dispersant, defoamer
1-2 parts.
More preferably, 70 parts of AEO, 40 parts of fatty acid ester, discarded 30 parts of animal fat, 8 parts of styrene,
Water-soluble 7 parts of carbon black, 3 parts of graphite alkenes material, 2 parts of extreme pressure anti-wear additives, 2 parts of dispersant, 2 parts of defoamer.
In addition, AEO can also be 61 parts, 63 parts, 64 parts, 75 parts, 76 parts, 77 parts and 79
Part etc., fatty acid ester can be 31 parts, 32 parts, 33 parts, 34 parts, 45 parts, 46 parts, 47 parts, 49 parts etc., and these consumptions can be with
Other raw materials carry out free matched combined to prepare lubricant.
Based polyether, synthetic fat have been carried out organic combination, styrene, water solubility by the present invention when preparing lubricant
Performance comparision is excellent in terms of temperature resistance in itself for carbon black, graphene, and these materials can strengthen lubricating oil under the high temperature conditions
Lubricant effect, it is to avoid lubricant failure, it is seen that the addition of every kind of raw material make use of comprehensive after its own advantage, such interworking
Close and also obtained corresponding lifting in performance because water-soluble carbon black, graphene are in addition to high temperature resistant property is excellent, by with
Lubricant effect itself can also be correspondingly improved after other material interworkings, the performance of these effects is to need to rely on and other things
Mutual the 5 of matter are with produced by rear, and each raw material being related in a word in the present invention program can not lack, because invention
People has found only to match somebody with somebody this several raw material mutual 5 by substantial amounts of creative experiment could reach on rear obtained lubricant properties
To optimal.
In addition, in terms of raw material dosage, AEO, fatty acid ester, discarded animal fat can as major ingredient
Can dosage than larger, other materials can play the effect of Synergistic, so dosage is unsuitable excessive, and if dosage is too big
Also be not easy to be well mixed, be unfavorable in subsequent applications, performance being optimal by repeatedly groping, add it is also unhelpful or
The effect run counter to desire may be played.These materials belong to usual products on the market in itself in fact, but for the present invention
Scheme key be protect raw material between it is this assemble relation mutually, can not because of these materials are relatively common cannot
As raw material come in interworking composition the solution of the present invention, moreover these raw materials before Cucumber be also any record can be with
Oil drilling field is applied to, only such inspiration can be just obtained in the case of with reference to the present invention.
The present invention is except there is provided a kind of formula of drilling fluid compounded lubricant, additionally providing the preparation side of the lubricant
Method, specifically includes following steps：
(A) by AEO, fatty acid ester discards the 80-90 DEG C of mixing of animal fat and styrene
Uniformly；
(B) water-soluble carbon black is added successively, and graphite alkenes material, extreme pressure anti-wear additives, dispersant, defoamer is mixed
10-20min, side stirring is cooled to 50-70 DEG C, forms uniform emulsion and produces.
The preparation method of the embodiment of the present invention is relatively easy, easy to operate, and operating condition is also relatively gentleer, front and rear step rank
Connect close, three wastes are produced, safety and environmental protection, belong to preferably a kind of preparation method, but do not represent without other preparations
Method, as long as the method for lubricant can be prepared within protection scope of the present invention with the composition of raw materials of the present invention.
Preferably, in step (A), the time control of stirring is in 10-18h, preferably 12h, by controlling suitable stirring
Time is more conducive to mix homogeneous, makes the product with excellent effect.
It is noted herein that, by controlling charging sequence, it can promote preferably to merge into each other between raw material, according to
The characteristic of every kind of raw material and the material for being easier to mix are put together carry out mix and match, are more conducively merged.And styrene
Can be more sticky after mixing, if the material mixing that rear addition is unfavorable for first adding with other is uniform, its mixing temperature needed
Also it is just relatively high, and can meet requirement according to the operation temperature of 80-90 DEG C of this charging sequence of the present invention.
It should be noted that the operation temperature of each step is also to be determined according to the characteristic of institute's additive,
Only it just can guarantee that each raw material is preferably merged under suitable temperature operating condition, to prepare the product that quality preservation is high.
The comparison that the temperature of the material mixings such as styrene is generally required is high, but the mass temperature such as water-soluble carbon black is than relatively low situation
It is lower to realize that fusion, or even some material normal temperature can also realize fusion, so what the temperature subsequently stirred was suitably adjusted
It is lower, it is seen that temperature adjustment is also to have graded.
Preferably, in step (B), water-soluble carbon black, graphite alkenes material first carry out decentralized processing and added again before addition
Plus；
Preferably, scattered method includes：Water-soluble carbon black, graphite alkenes material are well mixed with water, it is ultrasonically treated
Add again afterwards；
More preferably, ultrasonically treated Power Control is in 500-1000w, and ultrasonically treated time control is in 5-30min.
The step of by increasing decentralized processing, the generation of each raw material agglomeration traits can be effectively prevented, different-grain diameter is prevented
The problem of stress concentration point that (piece footpath) material is brought is broken, because granularity is too big or too small is unfavorable for forming homogeneous
Material.
Finally, the embodiment of the present invention additionally provides the application process of lubricant, and lubricant is added in drilling well base fluid, profit
Lubrication prescription is the 2-8wt% of drilling well base fluid quality, it is therefore preferable to 3-7wt%, more excellent for 4-6wt%, preferably strict control dosage,
Because may also need to addition other auxiliary agents such as lubricant etc. in drilling fluid except lubricant, each additive has
Compare excellent dosage scope, if strictly control may not also affect the effect performance of other auxiliary agents, so preferably controlling
System is within the scope of application claims.
Compared with prior art, beneficial effects of the present invention are：
(1) drilling fluid of the embodiment of the present invention is good with compounded lubricant heat resistance and thermal stability, and high temperature is high
Good greasy property can be still kept under the conditions of pressure, its composition is main using biodiesel as raw material, such as animal fat, fat
Sour fat etc., does not include the composition of pollution, relatively more environmentally friendly, and suitable for wide popularization and application, and it is useless to be correspondingly improved these
The added value for the animal fat abandoned, realizes resource reutilization, can be widely applied to oil drilling field；
(2) preparation method of drilling fluid compounded lubricant of the present invention, preparation method is relatively easy, easy to operate, operation
Condition is also relatively gentleer, and front and rear step linking is close, and three wastes are produced, safety and environmental protection.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, be
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
The raw material of lubricant is matched according to following quality：
AEO 60kg, glycerine fatty acid fat 30kg, discard animal fat 40kg, styrene 5kg, water-soluble
Property carbon black 9kg, graphene 5kg, tricresyl phosphate, triphenyl phosphate 3kg, xylonic acid sodium 1kg, silanes defoamer 3kg；
Preparation method is as follows：
1) first by AEO, glycerine fatty acid fat, discards animal fat and styrene adds agitator tank
In, stir while being warming up to 80-90 DEG C；
2) by water-soluble carbon black, graphene, tricresyl phosphate, triphenyl phosphate, xylonic acid sodium, silanes defoamer according to
In secondary addition agitator tank, stir while regulating and controlling temperature is between 50-70 DEG C, be thoroughly mixed after 10-20min, obtain
Lubricant, is packaged into 10kg/ bags of finished product, is preserved at air drying.
Embodiment 2
The raw material of lubricant is matched according to following quality：
AEO 90kg, propane diols list olein 60kg, discard animal fat 20kg, styrene 10kg,
Water-soluble carbon black 5kg, graphene 2kg, dialkyl dithiocarbamate 1kg, xylonic acid sodium, polyacrylamide 3kg, silane
Class defoamer 1kg；
Preparation method is as follows：
1) first by water-soluble carbon black, biomass graphene it is miscible with water after, carry out it is ultrasonically treated, ultrasonic power is
1000w, ultrasonic 5min form homogeneous mixed solution with scattered, standby；
2) first by AEO, propane diols list olein, discards animal fat and styrene adds stirring
In tank, stir while being warming up to 80-90 DEG C, stirring 10h；
3) will be containing water-soluble carbon black, the mixed solution of biomass graphene, dialkyl dithiocarbamate is wooden
Sour sodium, polyacrylamide, silanes defoamer are sequentially added in agitator tank, stir while regulating and controlling temperature 50-70 DEG C it
Between, it is thoroughly mixed after 10-20min, obtains lubricant, be packaged into 10kg/ bags of finished product, is protected at air drying
Deposit.
Embodiment 3
The raw material of lubricant is matched according to following quality：
AEO 65kg, triethanolamine oleate fat 55kg, discard animal fat 25kg, styrene 7kg, water
Dissolubility carbon black 6kg, biomass graphene 3kg, triphenyl phosphate, triethyl phosphate 2kg, xylonic acid sodium, cellulose derivative
2kg, silanes defoamer 2kg；
Preparation method is as follows：
1) first by water-soluble carbon black, biomass graphene it is miscible with water after, carry out it is ultrasonically treated, ultrasonic power is
500w, ultrasonic 30min form homogeneous mixed solution with scattered, standby；
2) first by AEO, triethanolamine oleate fat, discards animal fat and styrene adds stirring
In tank, stir while being warming up to 80-90 DEG C, stirring 18h；
3) will be containing water-soluble carbon black, the mixed solution of biomass graphene, triphenyl phosphate, triethyl phosphate are wooden
Sour sodium, cellulose derivative, silanes defoamer are sequentially added in agitator tank, are stirred while regulating and controlling temperature is at 50-70 DEG C
Between, it is thoroughly mixed after 10-20min, obtains lubricant, be packaged into 10kg/ bags of finished product, is protected at air drying
Deposit.
Embodiment 4
The raw material of lubricant is matched according to following quality：
AEO 85kg, propane diols list olein, triethanolamine oleate fat 35kg, discard animal fat
35kg, styrene 9kg, water-soluble carbon black 8kg, biomass graphene 4kg, dialkyl dithiocarbamate 1kg, xylonic acid
Sodium, polyacrylamide 1kg, silanes defoamer 1kg；
Specific preparation method is consistent with embodiment 3.
Embodiment 5
The raw material of lubricant is matched according to following quality：
AEO 70kg, propane diols list olein 40kg, discard animal fat 30kg, styrene 8kg, water
Dissolubility carbon black 7kg, biomass graphene 3kg, dialkyl dithiocarbamate 2kg, xylonic acid sodium, polyacrylamide 2kg,
Silanes defoamer 2kg；
Specific preparation method is consistent with embodiment 3.
Comparative example 1
Specific formula is consistent with embodiment 5, simply without water-soluble carbon black and biomass graphene.
Comparative example 2
Specific formula is consistent with embodiment 5, simply water-soluble carbon black 15kg, biomass graphene 2kg.
Comparative example 3
Specific formula is consistent with embodiment 5, simply water-soluble carbon black 2kg, biomass graphene 15kg.
Comparative example 4
Specific formula is consistent with embodiment 5, simply without biomass graphene.
Comparative example 5
The lubricating oil that embodiment 1 in the patent of Application No. 201310638855.2 is prepared.
Comparative example 6
The lubricating oil that embodiment 1 in Application No. 201510393502.X patents is prepared.
Application examples 1
1-5 of the embodiment of the present invention and comparative example 1-6 lubricant are added to base slurry (base according to 3wt% quality
Slurry is starched using general standard base) in, using mud cake sticking coefficient analyzer (NF-1 or equivalent product are measured), and press
Regulation according to GB/T6680 carries out the measure of mud cake sticking coefficient reduced rate and lubricating coefficient reduced rate to lubricating oil：
The measurement result of table 1
| Group | Mud cake sticking coefficient reduced rate (%) | Lubricating coefficient reduced rate (%) |
| Embodiment 1 | 80 | 80 |
| Embodiment 2 | 80 | 80 |
| Embodiment 3 | 80 | 85 |
| Embodiment 4 | 80 | 81 |
| Embodiment 5 | 82 | 82 |
| Comparative example 1 | 75 | 77 |
| Comparative example 2 | 78 | 76 |
| Comparative example 3 | 75 | 75 |
| Comparative example 4 | 78 | 78 |
| Comparative example 5 | 50 | 40 |
| Comparative example 6 | 40 | 60 |
As can be seen from the above Table 1, its combination property of the lubricant of embodiment of the present invention lubricant more of the prior art
More excellent, two parameters can be controlled more than 80%, but specific be combined as most preferably, if some raw materials is needed on raw material
Consumption may influence in the case of changing on performance, and general lubricating oil of the prior art can only ensure one of finger
Mark is more excellent.
By further experiment, lubricant is added in base slurry according to 4wt%, 6wt%, 7wt% quality also phase
Same experimental result.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that without departing substantially from the present invention's
Many other changes and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of drilling fluid compounded lubricant, it is characterised in that be mainly made by following raw material：In terms of mass fraction, fat
60-90 parts of alcohol APEO, 30-60 parts of fatty acid ester discards 20-40 parts of animal fat, 5-10 parts of styrene, water-soluble charcoal
It is black 5-9 parts, 2-5 parts of graphite alkenes material, 1-3 parts of extreme pressure anti-wear additives, 1-3 parts of dispersant, 1-3 parts of defoamer.
2. compounded lubricant according to claim 1, it is characterised in that 65-85 parts of AEO, aliphatic acid
35-55 parts of fat, discarded 25-35 parts of animal fat, 7-9 parts of styrene, water-soluble carbon black 6-8 parts, 3-4 parts of graphite alkenes material,
1-2 parts of extreme pressure anti-wear additives, 1-2 parts of dispersant, 1-2 parts of defoamer.
3. compounded lubricant according to claim 2, it is characterised in that 70 parts of AEO, fatty acid ester
40 parts, discarded 30 parts of animal fat, 8 parts of styrene, water-soluble 7 parts of carbon black, 3 parts of graphite alkenes material, 2 parts of extreme pressure anti-wear additives,
2 parts of dispersant, 2 parts of defoamer.
4. the compounded lubricant according to claim any one of 1-3, it is characterised in that the graphite alkenes material includes stone
Black alkene, biomass graphene, graphene oxide, one or more of mixing of Graphene derivative；
Preferably, the fatty acid ester includes one kind in glycerine fatty acid fat, propane diols list olein, triethanolamine oleate fat
Or several combinations.
5. the compounded lubricant according to claim any one of 1-3, it is characterised in that the extreme-pressure wear-resistant agent includes organic
One or more of combinations in chloride, organic phosphorus compound, organic metal salt, borate；
Preferably, the dispersant includes one or more of knots in xylonic acid sodium, polyacrylamide, cellulose derivative
Close；
Preferably, the defoamer is silanes defoamer.
6. the preparation method of the compounded lubricant described in claim any one of 1-5, it is characterised in that comprise the following steps：
(A) by AEO, fatty acid ester, discarded 80-90 DEG C of animal fat and styrene are mixed evenly；
(B) water-soluble carbon black is added successively, and graphite alkenes material, extreme pressure anti-wear additives, dispersant, defoamer mixes 10-
20min, is cooled to 50-70 DEG C while stirring, forms uniform emulsion and produces.
7. preparation method according to claim 6, it is characterised in that in the step (A), the time control of stirring exists
10-18h, preferably 12h.
8. preparation method according to claim 6, it is characterised in that in the step (B), water-soluble carbon black, graphene
Class material first carries out decentralized processing and added again before addition；
Preferably, the method for decentralized processing includes：Water-soluble carbon black, graphite alkenes material are well mixed with water, it is ultrasonically treated
Add again afterwards；
More preferably, ultrasonically treated Power Control is in 500-1000w, and ultrasonically treated time control is in 5-30min.
9. the application of the compounded lubricant described in claim any one of 1-5, it is characterised in that add the compounded lubricant
Into drilling well base fluid, the compounded lubricant is the 2-8wt% of the drilling well base fluid quality.
10. application according to claim 9, it is characterised in that the compounded lubricant is the drilling well base fluid quality
3-7wt%, it is more excellent for 4-6wt%.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502319A (en) * | 2017-08-15 | 2017-12-22 | 荆州市志翔化工有限公司 | A kind of Environment-protecting Drilling Fluids are with lubricator and preparation method |
| CN111848961A (en) * | 2020-07-20 | 2020-10-30 | 荆州市学成实业有限公司 | Preparation method of modified polyamide extreme pressure lubricant for high-efficiency drilling fluid |
| CN112110442A (en) * | 2020-09-22 | 2020-12-22 | 宁波锋成先进能源材料研究院有限公司 | Modified graphene oxide and preparation method and application thereof |
| CN112226215A (en) * | 2019-07-15 | 2021-01-15 | 中石化石油工程技术服务有限公司 | Lubricating anti-sloughing agent for drilling fluid |
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| CN112226215A (en) * | 2019-07-15 | 2021-01-15 | 中石化石油工程技术服务有限公司 | Lubricating anti-sloughing agent for drilling fluid |
| CN113214805A (en) * | 2020-02-06 | 2021-08-06 | 中国石油化工股份有限公司 | Lubricant for drilling fluid and preparation method and application thereof |
| CN113214805B (en) * | 2020-02-06 | 2022-07-15 | 中国石油化工股份有限公司 | Lubricant for drilling fluid and preparation method and application thereof |
| CN111848961A (en) * | 2020-07-20 | 2020-10-30 | 荆州市学成实业有限公司 | Preparation method of modified polyamide extreme pressure lubricant for high-efficiency drilling fluid |
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| CN113122217A (en) * | 2021-04-23 | 2021-07-16 | 西南石油大学 | Carbon-based amphiphilic nano-flow for oil displacement and preparation method thereof |
| CN113122217B (en) * | 2021-04-23 | 2022-07-05 | 西南石油大学 | Carbon-based amphiphilic nano-flow for oil displacement and preparation method thereof |
| CN117398530A (en) * | 2023-11-15 | 2024-01-16 | 上海科进医疗科技有限公司 | Graphene medical water-soluble lubricant and preparation method thereof |
| CN117398530B (en) * | 2023-11-15 | 2024-03-26 | 上海科进医疗科技有限公司 | Graphene medical water-soluble lubricant and preparation method thereof |
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