CN106701046A - Soilless polyether amine alkyl glucoside drilling fluid and preparation method thereof - Google Patents
Soilless polyether amine alkyl glucoside drilling fluid and preparation method thereof Download PDFInfo
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- CN106701046A CN106701046A CN201510424042.2A CN201510424042A CN106701046A CN 106701046 A CN106701046 A CN 106701046A CN 201510424042 A CN201510424042 A CN 201510424042A CN 106701046 A CN106701046 A CN 106701046A
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- drilling fluid
- alkyl glucoside
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Abstract
The invention provides a soilless polyether amine alkyl glucoside drilling fluid including 2 wt%-7 wt% of polyether amine alkyl glycoside, 0.4 wt%-1.2 wt% of a tackifier, 2.6 wt%-8 wt% of a filtrate loss reducer, 1 wt%-4 wt% of a plugging agent, 0.6 wt%-1 wt% of a pH regulator, 0.1 wt%-0.4 wt% of carbonate, 10 wt%-24 wt% of sodium chloride, 0.2 wt%-0.6 wt% of a sulfur-containing antioxidant, and the balance water. The polyether amine alkyl glucoside has good inhibition, lubricity, temperature resistance and reservoir protection, and through intercoordination of the polyether amine alkyl glycoside with other components, the drilling fluid has good inhibition, temperature resistance, lubricity, fouling resistance and reservoir protection. The invention also provides a preparation method of the soilless polyether amine alkyl glucoside drilling fluid.
Description
Technical field
The present invention relates to oil drilling technology field, more particularly to one kind is without native phase polyetheramine base APG
Drilling fluid and preparation method thereof.
Background technology
Drilling fluid is the circulation flushing medium used in drilling in drilling process, is the blood of drilling well, also known as
Drilling fluid.Drilling fluid can be divided into clear water, mud, free clay phase flushing liquor, emulsus by constituent
Liquid, foam and compressed air etc., clear water are to use earliest drilling fluid, easy to use without treatment,
Suitable for complete rock stratum and the area having abundant water resources；Mud is widely used drilling fluid, is primarily adapted for use in
Loosely, the hole wall unstable formation such as cranny development, easy collapsing and breaking, water-swellable peeling.Drilling fluid exists
Played an important role in drillng operation and reservoir protec-tion, promote drilling liquid technology rapidly to develop,
By scientific research and development and production practices for many years, from drill bit drilling is only met, to develop into adaptation each for drilling fluid
It is the low viscosity of the drilling fluid system of aspect demand, for example, rapid drilling service, low friction, low-soild
Polymer drilling fluid, anti-sticking drilling fluid；For the caving-preventing drilling fluid of rock feature；Bore the saturation of Salt layer
Salt-water drilling fluid；The low-density oil-in-water drilling fluid of reservoir protec-tion；The oil base of anti-clogging gas channel is bored
Foam drilling fluid of well liquid and exploitation low pressure oil gas field etc..
The Chinese patent of Application No. 201510032280.9 discloses a kind of water-base nano drilling fluid, including
Base is starched；Polyamine inhibitor, accounts for the 0.5%~3% of water-base nano drilling fluid volume；Sealing agent, accounts for water base receiving
The 0.5%~2% of rice drilling fluid quality；Deformable closure polymer, accounts for water-base nano drilling fluid quality
0.5%~3%；Lubricant, accounts for the 0.5%~2% of water-base nano drilling fluid volume；Wherein base slurry includes：It is swollen
Profit soil, accounts for the 1.5%~4% of water-base nano drilling fluid quality；Sodium carbonate, accounts for water-base nano drilling fluid quality
0.1%~0.3%；NaOH, accounts for the 0.1%~0.3% of water-base nano drilling fluid quality；Low adhesive aggregation is cloudy
Ion fiber element, accounts for the 0.8%~2% of water-base nano drilling fluid quality；Biopolymer xanthans, accounts for water
The 0.1%~0.3% of base nano-drilling fluid quality；Partially hydrolyzed polyacrylamide (PHPA), accounts for water-base nano drilling fluid
The 0.1%~0.3% of quality；And for adjusting the barite of water-base nano drilling fluid proportion.Prior art
This water-based drilling liquid energy for providing stablizes mud stone and shale to a certain extent, improves cuttings integrity,
Bit speed is improved, the moment of torsion and resistance of down-hole equipment is reduced, the backing pressure problem in slipping drilling is reduced；
But this water-base nano drilling fluid rejection and reservoir protection are poor, it is impossible to effectively solve strong retraction
Property mud shale, the borehole well instability problem containing caving grounds such as mud stone.
The content of the invention
In view of this, it is an object of the invention to provide one kind without native phase polyetheramine base alkyl glucoside drilling fluid,
What the present invention was provided without native phase polyetheramine base alkyl glucoside drilling fluid there is preferable rejection and reservoir to protect
Shield property.
The invention provides one kind without native phase polyetheramine base alkyl glucoside drilling fluid, including：
The polyethers amido APG of 2wt%~7wt%, the polyethers amido APG has shown in Formulas I
Structure：
In Formulas I, m is that 0~3, n is that 0~3, o is 0~3, is 0 when m, n are different with o,
R is alkyl that carbon number is 1~10；
The tackifier of 0.4wt%~1.2wt%；
The fluid loss additive of 2.6wt%~8wt%；
The sealing agent of 1wt%~4wt%；
The pH value regulator of 0.6wt%~1wt%；
The carbonate of 0.1wt%~0.4wt%；
The sodium chloride of 10wt%~24wt%；
The sulfur-bearing antioxidant of 0.2wt%~0.6wt%；
Balance of water.
Preferably, the R is methyl, ethyl, propyl group or butyl.
Preferably, the tackifier include high-viscosity sodium carboxymethyl cellulose salt and xanthans.
Preferably, the mass ratio of the high-viscosity sodium carboxymethyl cellulose salt and xanthans is (0.5~1.5):1.
Preferably, the fluid loss additive includes low-viscosity sodium carboxymethyl cellulose salt and sodium carboxymethyl starch.
Preferably, the mass ratio of the low-viscosity sodium carboxymethyl cellulose salt and sodium carboxymethyl starch is
(0.6~1):(2~7).
Preferably, the sealing agent is including calcium carbonate, oil-soluble resin, without seepage formation sealant and sulfonated gilsonite
In one or more.
Preferably, the sulfur-bearing antioxidant is including in sodium hydrogensulfite, sodium sulfite, vulcanized sodium and sulphur
One or more.
Preferably, the carbonate include sodium carbonate and potassium carbonate in one or two.
It is sugared without polyethers aminoalkyl is contained in native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided
Glycosides, polyethers amido APG has preferable rejection, by polyethers amido APG and drilling well
Other compositions are used cooperatively in liquid, make present invention offer without native phase polyetheramine base alkyl glucoside drilling fluid
Rejection it is also preferable；And present invention offer is nothing without native phase polyetheramine base alkyl glucoside drilling fluid
Native phase system drilling fluid, does not have clay particle to protect target zone, will not destroy oil flow channel, makes the present invention
What is provided has preferable reservoir protection without native phase polyetheramine base alkyl glucoside drilling fluid；The present invention is provided
Without native phase polyetheramine base alkyl glucoside drilling fluid can effectively solve strong retraction mud shale, containing mud stone etc. easily
The borehole well instability problem of cavey formation and shale gas horizontal well, meets reservoir protection requirement.Experimental result table
It is bright, the rock core primary recovery without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided >=
98.5%, rock core relative recovery >=99.5%；Dynamic Permeability recovery value ＞ 90%, static permeability is extensive
Complex value ＞ 93%.
Additionally, the polyethers amido APG is used cooperatively with the other compositions in drilling fluid, Ke Yibao
Shield drilling fluid in other compositions be not easily decomposed at high temperature, make the present invention offer without native phase polyetheramine base
Alkyl glucoside drilling fluid has preferable heat-resisting property and antifouling property；And the polyethers aminoalkyl sugar
Glycosides has preferable greasy property, make the present invention offer without native phase polyetheramine Ji Wanjitangganzuanjingyerun
Slip can be also preferable.Test result indicate that, the present invention provide without native phase polyetheramine base APG drilling well
The temperature resistance of liquid reaches 150 DEG C, and extreme boundary lubrication coefficient ＜ 0.09, salt-resistance is saturation, and anticalcium is 10%,
Anti- swelling soil nature is 20%, and anti-flooding is 40%, and antigen oiliness is 20%.
In addition, the safety nontoxic, harmless without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided
Environmental protection；And cost is relatively low.
The invention provides described in a kind of above-mentioned technical proposal without native phase polyetheramine base alkyl glucoside drilling fluid
Preparation method, including：
By polyethers amido APG, tackifier, fluid loss additive, sealing agent, pH value regulator, carbonic acid
Burin-in process is carried out after the mixing of salt, sodium chloride, sulfur-bearing antioxidant and water, is obtained without native phase polyetheramine base alkane
Base glucosides drilling fluid.
The method that the present invention is provided prepares drilling fluid by raw material of polyethers amido APG, is preparing drilling well
Used cooperatively with other compositions in drilling fluid by polyethers amido APG during liquid, send out this
What the method for bright offer was prepared has preferable inhibition without native phase polyetheramine base alkyl glucoside drilling fluid
Energy and reservoir protection.Additionally, the present invention provide method prepare without native phase polyetheramine base alkyl
Glucosides drilling fluid also has preferable temperature resistance, lubricity, pollution resistance.In addition, the side that the present invention is provided
It is nontoxic, harmless without native phase polyetheramine base alkyl glucoside drilling fluid that method is prepared, safety and environmental protection；And
Cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing to be used needed for example or description of the prior art is applied to be briefly described, it should be apparent that, below
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to the accompanying drawing for providing.
Fig. 1 is the infared spectrum of the polyethers aminomethyl glucosides that the embodiment of the present invention 1 is prepared.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that institute
The embodiment of description is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
The invention provides one kind without native phase polyetheramine base alkyl glucoside drilling fluid, including：
The polyethers amido APG of 2wt%~7wt%, the polyethers amido APG has shown in Formulas I
Structure：
In Formulas I, m is that 0~3, n is that 0~3, o is 0~3, is 0 when m, n are different with o,
R is alkyl that carbon number is 1~10；
The tackifier of 0.4wt%~1.2wt%；
The fluid loss additive of 2.6wt%~8wt%；
The sealing agent of 1wt%~4wt%；
The pH value regulator of 0.6wt%~1wt%；
The carbonate of 0.1wt%~0.4wt%；
The sodium chloride of 10wt%~24wt%；
The sulfur-bearing antioxidant of 0.2wt%~0.6wt%；
Balance of water.
What the present invention was provided includes the polyetheramine of 2wt%~7wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Base APG, the polyethers amido APG has the structure shown in Formulas I：
In Formulas I, m is that 0~3, n is that 0~3, o is 0~3, is 0 when m, n are different with o,
R is alkyl that carbon number is 1~10.
In an embodiment of the present invention, the polyethers amido APG described without native phase polyetheramine base alkane
Mass content in base glucosides drilling fluid is 3wt%~6wt%；In a further embodiment, the polyetheramine
Base APG is in the mass content without in native phase polyetheramine base alkyl glucoside drilling fluid
4wt%~5wt%.In the present invention, the polyethers amido APG has preferable rejection, and
And show preferable lubricity, temperature resistance and reservoir protection effect, and polyethers amido APG without
It is malicious, harmless, safety and environmental protection.
In the present invention, the polyethers amido APG has the structure shown in Formulas I, and in Formulas I, m is
0~3, n are that 0~3, o is 0~3, and it is the alkane that carbon number is 1~10 that m, n and o are 0, R when different
Base.In an embodiment of the present invention, in the Formulas I, m is 1~2.In an embodiment of the present invention, institute
State in Formulas I, n is 1~2.In an embodiment of the present invention, in the Formulas I, o is 1~2.In the present invention
Embodiment in, in the Formulas I R be methyl, ethyl, propyl group or butyl.In embodiments of the invention
In, the number-average molecular weight of the polyethers amido APG is 240~950；In other examples, institute
The number-average molecular weight for stating polyethers amido APG is 300~800；In a further embodiment, the polyethers
The number-average molecular weight of aminoalkyl glucosides is 500~600.
In an embodiment of the present invention, the preparation method of the polyethers amido APG is：
Epoxides, APG, water and catalyst are reacted, intermediate product is obtained；
The intermediate product and organic amine are reacted, polyethers amido APG is obtained.
In an embodiment of the present invention, epoxides, APG, water and catalyst are reacted,
Obtain intermediate product.In an embodiment of the present invention, the epoxides includes oxirane and epoxy third
One or two in alkane.In an embodiment of the present invention, the APG includes methylglycoside, second
Base glucosides, propyl glucoside or butyl glycoside.In an embodiment of the present invention, catalyst inorganic acid and
One or more in organic acid.In an embodiment of the present invention, the inorganic acid include sulfuric acid, nitric acid,
Sulfuric acid or phosphotungstic acid.In an embodiment of the present invention, the organic acid includes p-methyl benzenesulfonic acid, dodecane
Base benzene sulfonic acid or sulfamic acid.
In an embodiment of the present invention, the mol ratio of the epoxides, APG, water and catalyst
It is 1:(0.5~1):(4~8):(0.01~0.1)；In other examples, the epoxides, APG,
The mol ratio of water and catalyst is 1:(0.6~0.8):(5~6):(0.03~0.08).
In an embodiment of the present invention, the temperature of the epoxides, APG, water and catalyst reaction
Spend is 50 DEG C~110 DEG C.In an embodiment of the present invention, the epoxides, APG, water and urge
The time of agent reaction is 0.5 hour~4 hours.In an embodiment of the present invention, the epoxides,
The pressure of APG, water and catalyst reaction is 3MPa~10MPa.
In an embodiment of the present invention, after obtaining intermediate product, the intermediate product and organic amine are carried out
Reaction, obtains polyethers amido APG.In an embodiment of the present invention, the organic amine includes second two
Amine, diethylenetriamine, triethylene tetramine or TEPA.In an embodiment of the present invention, in described
Between product and organic amine mol ratio be 1:(0.8~1.2).
In an embodiment of the present invention, the intermediate product and the pH value of organic amine reaction are 6~9.At this
In inventive embodiment, the temperature of the intermediate product and organic amine reaction is 40 DEG C~90 DEG C.In the present invention
Embodiment in, the intermediate product and organic amine reaction time be 3 hours~10 hours.
What the present invention was provided includes the increasing of 0.4wt%~1.2wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Stick.In an embodiment of the present invention, the tackifier are without native phase polyetheramine base alkyl glucoside drilling fluid
In mass content be 0.6wt%~1wt%.
In an embodiment of the present invention, the tackifier include high-viscosity sodium carboxymethyl cellulose salt and xanthan
Glue.In an embodiment of the present invention, the high-viscosity sodium carboxymethyl cellulose salt is by cotton fiber and chloroethene
Acid reaction is formed.In an embodiment of the present invention, the water content of the high-viscosity sodium carboxymethyl cellulose salt
≤ 10%.In an embodiment of the present invention, purity >=95% of high viscosity institute methylcellulose sodium salt.
In an embodiment of the present invention, substitution value >=0.8% of the high-viscosity sodium carboxymethyl cellulose salt.At this
In inventive embodiment, the pH value of the high-viscosity sodium carboxymethyl cellulose salt is 6.5~8.In the present invention
Embodiment in, sodium chloride content≤5% of the high-viscosity sodium carboxymethyl cellulose salt.Of the invention
In embodiment, the viscosity >=1000mPa.s of the aqueous solution of high-viscosity sodium carboxymethyl cellulose salt 2%.This
Invention, without special limitation, can be bought to the source of the high-viscosity sodium carboxymethyl cellulose salt by market
Obtain.
In an embodiment of the present invention, the viscosity of the xanthans is 1200cps~1600cps.In the present invention
Embodiment in, the pH value of the xanthans is 6.5~8.In an embodiment of the present invention, the xanthan
Moisture≤13% in glue.In an embodiment of the present invention, content of ashes≤13% in the xanthans.
In an embodiment of the present invention, the granularity of the xanthans is 180 microns~355 microns.The present invention is to institute
The source of xanthans is stated without special limitation, can be bought by market and obtained.
In an embodiment of the present invention, the mass ratio of the high-viscosity sodium carboxymethyl cellulose salt and xanthans
It is (0.5~1.5):1；In other examples, the high-viscosity sodium carboxymethyl cellulose salt and xanthans
Mass ratio is (0.8~1.2):1；In a further embodiment, the high-viscosity sodium carboxymethyl cellulose salt and Huang
The mass ratio of virgin rubber is 1:1.
What the present invention was provided includes the drop of 2.6wt%~8wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Fluid loss agents.In an embodiment of the present invention, the fluid loss additive is described sugared without native phase polyetheramine base alkyl
Mass content in glycosides drilling fluid is 4wt%~6wt%.
In an embodiment of the present invention, the fluid loss additive includes low-viscosity sodium carboxymethyl cellulose salt and carboxylic
Methyl starch sodium.In an embodiment of the present invention, the moisture in the low-viscosity sodium carboxymethyl cellulose salt
Content≤10%.In an embodiment of the present invention, the purity of the low-viscosity sodium carboxymethyl cellulose salt >=
80%.In an embodiment of the present invention, replacement degree >=0.8% of the low-viscosity sodium carboxymethyl cellulose salt.
In an embodiment of the present invention, the pH value of the low-viscosity sodium carboxymethyl cellulose salt is 7~9.In this hair
In bright embodiment, content≤20% of chloride in the low-viscosity sodium carboxymethyl cellulose salt.In this hair
In bright embodiment, the viscosity ＜ 200mPa.s of the aqueous solution of low-viscosity sodium carboxymethyl cellulose salt 2%.
The present invention, without special limitation, can be purchased to the source of the low-viscosity sodium carboxymethyl cellulose salt by market
Buy acquisition.
In an embodiment of the present invention, the granularity of the sodium carboxymethyl starch is 90 mesh~110 mesh；At other
Embodiment in, the granularity of the sodium carboxymethyl starch is 100 mesh.In an embodiment of the present invention, institute
State sodium chloride content ＜ 7% in sodium carboxymethyl starch.In an embodiment of the present invention, the CMS
The substitution value ＞ 0.2% of sodium.In an embodiment of the present invention, the pH value of the sodium carboxymethyl starch is 8~9.
In an embodiment of the present invention, the moisture ＜ 10% of the sodium carboxymethyl starch.In implementation of the invention
In example, the solution viscosity of the sodium carboxymethyl starch 2% is 80mpa.s~120mpa.s.The present invention is to institute
The source of sodium carboxymethyl starch is stated without special limitation, can be bought by market and obtained.
In an embodiment of the present invention, the low-viscosity sodium carboxymethyl cellulose salt and sodium carboxymethyl starch
Mass ratio is (0.6~1):(2~7)；In other examples, the low-viscosity sodium carboxymethyl cellulose salt and
The mass ratio of sodium carboxymethyl starch is (0.7~0.8):(4~6).
What the present invention was provided includes the closure of 1wt%~4wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Agent.In an embodiment of the present invention, the sealing agent described without native phase polyetheramine base APG drilling well
Mass content in liquid is 2wt%~3wt%.In an embodiment of the present invention, the sealing agent includes carbonic acid
Calcium, oil-soluble resin, without one or more in seepage formation sealant and sulfonated gilsonite.In implementation of the invention
In example, the granularity of the calcium carbonate is 800 mesh~1200 mesh；In other examples, the calcium carbonate
Granularity be 1000 mesh.In an embodiment of the present invention, moisture≤10% of the calcium carbonate.
In embodiments of the invention, acid non-soluble substance content≤1% in the calcium carbonate.The present invention is to the calcium carbonate
Source without special limitation, can by market purchase acquisition, can such as use the limited public affairs of power industry of Puyang three
The ultra-fine mesh calcium carbonate of QS-2 for providing is provided.
The present invention does not have special limitation to the species of the oil-soluble resin and source, using art technology
Can be bought by market and obtained as the oil-soluble resin of sealing agent known to personnel, can such as use Zheng
The oil-soluble resin of 2420 models that the auspicious Science and Technology Ltd. in state three provides.
The present invention does not have special limitation to the species without seepage formation sealant and source, using this area
Drilling fluid sealing agent known to technical staff, can be bought by market and obtained, and such as can obtain suitable using Shandong
Source Petroleum Technology Co., Ltd provide WLP models without seepage formation sealant.
In an embodiment of the present invention, the pH value of the sulfonated gilsonite is 8~9.In embodiments of the invention
In, moisture≤8% in the sulfonated gilsonite.In an embodiment of the present invention, in the sulfonated gilsonite
Sodium sulfonate group content >=10%.In an embodiment of the present invention, the hydrotrope >=70% in the sulfonated gilsonite.
In an embodiment of the present invention, oil soluble thing >=25% in the sulfonated gilsonite.In an embodiment of the present invention,
HTHP filter losses≤the 25mL/30min of the sulfonated gilsonite.Source of the present invention to the sulfonated gilsonite
There is no special limitation, can be bought by market and obtained, can such as be carried using Chemical Co., Ltd. of Xinxiang City the 7th
The sulfonated gilsonite of confession.
What the present invention was provided includes the pH of 0.6wt%~1wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Value conditioning agent.In an embodiment of the present invention, the pH value regulator described without native phase polyetheramine base alkane
Mass content in base glucosides drilling fluid is 0.8wt%~0.9wt%.In an embodiment of the present invention, it is described
PH adjusting agent can be alkaline pH adjuster, such as NaOH.
In the present invention, it is described to include 0.1wt%~0.4wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Carbonate.In an embodiment of the present invention, the carbonate is described sugared without native phase polyetheramine base alkyl
Mass content in glycosides drilling fluid is 0.2wt%~0.3wt%.In the present invention, the carbonate can be removed
The calcium ion gone in drilling fluid.In an embodiment of the present invention, the carbonate can be sodium carbonate and carbon
One or two in sour potassium.
What the present invention was provided includes the chlorination of 10wt%~24wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Sodium.In an embodiment of the present invention, the sodium chloride described without native phase polyetheramine base APG drilling well
Mass content in liquid is 12wt%~20wt%；In other examples, the sodium chloride is in the nothing
Mass content in native phase polyetheramine base alkyl glucoside drilling fluid is 14wt%~16wt%.In the present invention,
The sodium chloride can be reduced without water activity in native phase polyetheramine base alkyl glucoside drilling fluid.
What the present invention was provided includes containing for 0.2wt%~0.6wt% without native phase polyetheramine base alkyl glucoside drilling fluid
Sulphur antioxidant.In an embodiment of the present invention, the sulfur-bearing antioxidant described without native phase polyetheramine base alkane
Mass content in base glucosides drilling fluid is 0.3wt%~0.5wt%.In the present invention, the sulfur-bearing antioxygen
Agent can further improve the temperature resistance without native phase polyetheramine base alkyl glucoside drilling fluid of present invention offer
Energy.In an embodiment of the present invention, the sulfur-bearing antioxidant includes sodium hydrogensulfite, sodium sulfite, sulphur
Change one or more in sodium and sulphur.
What the present invention was provided removes polyethers described in above-mentioned technical proposal without native phase polyetheramine base alkyl glucoside drilling fluid
Aminoalkyl glucosides, tackifier, fluid loss additive, sealing agent, pH value regulator, carbonate, sodium chloride,
Outside sulfur-bearing antioxidant, remaining composition is water.
In an embodiment of the present invention, it is described to include without native phase polyetheramine base alkyl glucoside drilling fluid：
The polyethers amido APG of 2wt%~7wt%；The high-viscosity sodium carboxymethyl cellulose of 0.2wt%~0.6wt%
Salt；The xanthans of 0.2wt%~0.6wt%；The low-viscosity sodium carboxymethyl cellulose salt of 0.6wt%~1.0wt%；
The sodium carboxymethyl starch of 2wt%~7wt%；The sealing agent of 1wt%~4wt%；The NaOH of 0.6wt%~1.0wt%；
The Na of 0.1wt%~0.4wt%2CO3；The Nacl of 10wt%~24wt%；The sulfur-bearing of 0.2wt%~0.6wt%
Antioxidant；Balance of water.
The invention provides described in a kind of above-mentioned technical proposal without native phase polyetheramine base alkyl glucoside drilling fluid
Preparation method, including：
By polyethers amido APG, tackifier, fluid loss additive, sealing agent, pH value regulator, carbonic acid
Burin-in process is carried out after the mixing of salt, sodium chloride, sulfur-bearing antioxidant and water, is obtained without native phase polyetheramine base alkane
Base glucosides drilling fluid.
In the present invention, the polyethers amido APG, tackifier, fluid loss additive, sealing agent, pH
It is worth species, source and consumption and the above-mentioned skill of conditioning agent, carbonate, sodium chloride, sulfur-bearing antioxidant and water
Polyethers amido APG described in art scheme, tackifier, fluid loss additive, sealing agent, pH value regulator,
Carbonate, sodium chloride, sulfur-bearing antioxidant are consistent with consumption with the species of water, source, will not be repeated here.
In an embodiment of the present invention, the temperature of the burin-in process is 130 DEG C~170 DEG C；Other real
Apply in example, the temperature of the burin-in process is 140 DEG C~160 DEG C；In a further embodiment, it is described aging
The temperature for the treatment of is 150 DEG C.In an embodiment of the present invention, the time of the burin-in process is 15 hours
~20 hours；In other examples, the time of the burin-in process is 16 hours.Of the invention
In embodiment, burin-in process can be carried out under conditions of stirring.In an embodiment of the present invention, it is described
The speed of stirring is 5000r/min~10000r/min；In other examples, the speed of the stirring
It is 8000r/min~9000r/min.
In an embodiment of the present invention, the preparation method without native phase polyetheramine base alkyl glucoside drilling fluid
For：
Polyethers amido APG, tackifier and fluid loss additive are mixed, mixture is obtained；
The mixture is mixed with sealing agent, pH value regulator and carbonate, intermediate product is obtained；
Burin-in process is carried out after mixing by the intermediate product, sodium chloride and containing thiooxidant, is obtained without soil
Phase polyetheramine base alkyl glucoside drilling fluid.
In an embodiment of the present invention, the mixing can be carried out under conditions of stirring.Of the invention
In embodiment, the speed of the stirring is 5000r/min~10000r/min.
According to GB/T 16783.1-2014《Industrial gas oil drilling fluid on-the-spot test part 1：
Water-base drilling fluid》Standard, the test present invention provide without native phase polyetheramine base alkyl glucoside drilling fluid
It is apparent viscosity, plastic viscosity, yield value, gel strength, middle press filtration vector, high temperature and high pre ssure filtration, anti-
Salt performance, anticalcium performance, anti-bentonite performance, water resistant leaching performance, anti-performance of crude oils.Test result is,
The apparent viscosity without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided is 55mPa.s~85
mPa.s；Plastic viscosity is 40mPa.s~60mPa.s；Yield value is 17Pa~24Pa；Gel strength is
2.5~5.5/8.5~10.5；Middle press filtration vector ＜ 4.0mL；High temperature and high pre ssure filtration ＜ 15mL；Salt-resistance is full
With；Anticalcium is 10%；Anti- swelling soil nature is 20%；Anti- flooding is 40%；Antigen oiliness is 20%.
According to drilling fluid core recovery method of testing, the test present invention provide without native phase polyetheramine base alkane
The rock core primary recovery and relative recovery of base glucosides drilling fluid, concrete operations are as follows：
Being stirred in cup in height without native phase polyetheramine base alkyl glucoside drilling fluid for 350mL present invention offers is provided,
After stirring 5min under the speed of 7000r/min, drilling fluid is poured into standby in ageing can；Take 2.0
The landwaste of mm~5.0mm is down to room temperature in 4h is dried at 103 DEG C, weighs G0G landwaste is put into ageing can
With the drilling fluid in ageing can in 16h is rolled at 180 DEG C, taken out after cooling, be that 0.42mm is sieved with aperture
Landwaste is reclaimed, in 4h is dried at 103 DEG C, room temperature weighing recovery landwaste quality is down to and is designated as G1；Then will
Claim overweight recovery landwaste to be put into clear water in 2h is rolled at 180 DEG C, taken out after cooling, be with aperture
The sieve of 0.42mm reclaims landwaste, in 4h is dried at 103 DEG C, is cooled to room temperature and weighs recovery landwaste quality
It is designated as G2.A shale recovery ratio R is calculated respectively1, secondary shale recovery ratio R2Reclaimed with relative shale
Rate R.
R1=G1/G0× 100%；
R2=G2/G0× 100%；
R=R2/R1× 100%；Test result is that what the present invention was provided bores without native phase polyetheramine base APG
Rock core primary recovery >=98.5% of well liquid, rock core relative recovery >=99.5%.
The extreme pressure without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided is tested by the following method
Lubricating coefficient：
The extreme boundary lubrication instrument of the EP models provided using Zhengzhou north and south Instrument Design Co., Ltd, sets instrument
15min is operated under 300r/min, it is 60r/min then to adjust rotating speed；
By in instrument sliding block immersion the present invention provide without native phase polyetheramine base alkyl glucoside drilling fluid in,
It is 16.95N/m, apparatus working 5min to adjust torque spanner value, read that the present invention provides without native phase polyetheramine
The numerical value shown on instrument during base alkyl glucoside drilling fluid immersion sliding block, extreme boundary lubrication coefficient formulas are：
In above formula：K is extreme boundary lubrication coefficient；X for the present invention provides it is sugared without native phase polyetheramine base alkyl
The numerical value shown on instrument during glycosides mud soak sliding block.
Test result is, the extreme boundary lubrication without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided
Coefficient ＜ 0.09.
The reservoir without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided is tested by the following method
Protectiveness：
The full-automatic permeability of the Fann-389AP models provided using Beijing Zhong Huitiancheng Science and Technology Ltd.s
Plugging device；Full-automatic permeability plugging device temperature is raised to 120 DEG C, loads rock core, carried out with kerosene
Infiltration, record initial pressure, maximum pressure, steady pressure, confined pressure 2MPa bigger than flowing pressure；
Using what the present invention was provided reversely dynamic or static is carried out without native phase polyetheramine base alkyl glucoside drilling fluid
Pollution, with graduated cylinder reception liquid body and record time used and volume；
Forward osmosis, record initial pressure, maximum pressure, steady pressure are carried out with kerosene again；
The ratio of the steady pressure after steady pressure and pollution before pollution is permeability resume figure, reflects
Offer of the present invention without native phase polyetheramine base alkyl glucoside drilling fluid to the extent of injury of formation rock.
Test result is that the dynamic without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided is permeated
Rate recovery value ＞ 90%, static permeability resume figure ＞ 93%.
According to《GB/T 16783.1-2014 industrial gas oil drilling fluid on-the-spot test part 1s：
Water-base drilling fluid》Standard, it is anti-without native phase polyetheramine base alkyl glucoside drilling fluid that the test present invention is provided
Warm nature energy, test result is, the temperature resistance without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided
Performance is 145 DEG C~155 DEG C.
Raw material used by following examples of the present invention is commercial goods, high viscosity carboxymethyl fiber used
The high-viscosity sodium carboxymethyl cellulose salt that plain sodium salt is provided for the power Industrial Co., Ltd. of Puyang Central Plains three
HV-CMC；The xanthans XC that xanthans used is provided for the power Industrial Co., Ltd. of Puyang Central Plains three, institute
The low viscosity carboxylic that low-viscosity sodium carboxymethyl cellulose salt is provided for the power Industrial Co., Ltd. of Puyang Central Plains three
Methylcellulose sodium salt LV-CMC；Sodium carboxymethyl starch used is the limited public affairs of power industry of Puyang Central Plains three
The sodium carboxymethyl starch CMS-Na for providing is provided；Calcium carbonate superfine powder used is the power Industrial Co., Ltd. of Puyang three
The granularity of offer is the calcium carbonate superfine powder of 1000 mesh；Oil-soluble resin used is the auspicious scientific and technological limited public affairs in Zhengzhou three
The oil-soluble resin of 2420 models for providing is provided；Used is Shandong get Shun Yuan petroleum science and technologies without seepage formation sealant
Co., Ltd provide without seepage formation sealant WLP.
Embodiment 1
In equipped with thermometer, condenser pipe, the autoclave of agitator add 44.05g oxirane,
The p-methyl benzenesulfonic acid of the methylglycoside of 97g, the distilled water of 72g and 1.72g, reacts at 3MPa, 50 DEG C
0.5 hour, obtain intermediate product；
It is 6 that the intermediate product nertralizer NaOH is neutralized to pH value, adds the ethylenediamine of 24g,
It is 40 DEG C, reacts 3 hours under normal pressure in temperature, polyethers amido is obtained after the product water removal that will be obtained
Methylglycoside.
The polyethers aminomethyl glucosides that the embodiment of the present invention 1 is prepared carries out infrared detection, detection knot
Fruit is as shown in figure 1, Fig. 1 is the infrared of the polyethers aminomethyl glucosides that the embodiment of the present invention 1 is prepared
Spectrogram, as shown in Figure 1, the polyethers aminomethyl glucosides that the embodiment of the present invention 1 is prepared has formula 1
Shown structure：
In formula 1, m is 0~3.
Embodiment 2
In equipped with thermometer, condenser pipe, the autoclave of agitator add 44.05g oxirane,
The sulfuric acid of the ethyl glucoside of 104g, the distilled water of 90g and 1.96g, reacts 1 small at 4MPa, 60 DEG C
When, obtain intermediate product；
It is 6 that the intermediate product nertralizer NaOH is neutralized to pH value, adds the divinyl of 51.59g
Triamine, is 50 DEG C, reacts 4 hours under normal pressure in temperature, is gathered after the product water removal that will be obtained
Ether amines base ethyl glucoside.
The polyethers amido ethyl glucoside that the embodiment of the present invention 2 is prepared carries out infrared detection, detection knot
Fruit is that polyethers amido ethyl glucoside that the embodiment of the present invention 2 is prepared has structure shown in formula 2：
In formula 2, m is 1 for 0~3, o.
Embodiment 3
In equipped with thermometer, condenser pipe, the autoclave of agitator add 44.05g oxirane,
The nitric acid of the propyl glucoside of 133g, the distilled water of 108g and 1.89g, 1.5 are reacted at 5MPa, 70 DEG C
Hour, obtain intermediate product；
It is 7 that the intermediate product nertralizer KOH is neutralized to pH value, adds the triethylene of 87.74g
Tetramine, is 60 DEG C, reacts 5 hours under normal pressure in temperature, is gathered after the product water removal that will be obtained
Ether amines base propyl glucoside.
The polyethers amido propyl glucoside that the embodiment of the present invention 3 is prepared carries out infrared detection, detection knot
Fruit is that polyethers amido propyl glucoside that the embodiment of the present invention 3 is prepared has structure shown in formula 3：
In formula 3, m is 2 for 0~3, o.
Embodiment 4
In equipped with thermometer, condenser pipe, the autoclave of agitator add 58.08g oxirane,
The phosphotungstic acid of the butyl glycoside of 165g, the distilled water of 126g and 3.92g, 2 are reacted at 7MPa, 80 DEG C
Hour, obtain intermediate product；
It is 8 that the intermediate product nertralizer sodium carbonate is neutralized to pH value, adds the tetrem of 132.52g
The amine of alkene five, is 70 DEG C, reacts 7 hours under normal pressure in temperature, is obtained after the product water removal that will be obtained
Polyethers amido butyl glycoside.
The polyethers amido butyl glycoside that the embodiment of the present invention 4 is prepared carries out infrared detection, detection knot
Fruit is that polyethers amido butyl glycoside that the embodiment of the present invention 4 is prepared has structure shown in formula 4：
In formula 4, m is 3 for 0~3, o.
Embodiment 5
The polyethers aminomethyl glucosides for adding the 8g embodiment of the present invention 1 to prepare in 392g water,
Stirred 5 minutes under the speed of 5000r/min, be added thereto to the high-viscosity sodium carboxymethyl cellulose salt of 0.8g
The low-viscosity sodium carboxymethyl cellulose salt LV-CMC of the xanthans XC, 2.4g of HV-CMC, 0.8g,
Stirred 20 minutes under the speed of 5000r/min, add the sodium carboxymethyl starch CMS-Na of 8g, 4g's
Calcium carbonate superfine powder, the NaOH of 2.4g, the Na of 0.4g2CO3, 20 are stirred under the speed of 5000r/min
Minute, the Nacl of 40g is added, the sodium hydrogensulfite of 0.8g is stirred under the speed of 5000r/min
20 minutes, load in ageing can through 150 DEG C of rolling 16h, obtain without native phase polyetheramine base APG drilling well
Liquid.
According to the method described in above-mentioned technical proposal, the test embodiment of the present invention 5 prepare without native phase
The apparent viscosity of polyethers amido alkyl glucoside drilling fluid, plastic viscosity, yield value, gel strength, middle press filtration
Vector, high pressure filter loss, anti-salt property, anticalcium performance, anti-bentonite performance, water resistant are soaked performance, are resisted
Performance of crude oils, rock core primary recovery, rock core relative recovery, extreme boundary lubrication coefficient, Dynamic Permeability
Recovery value, static permeability resume figure and heat-resisting property, as shown in table 1, table 1 is this hair to test result
The performance test without native phase polyetheramine base alkyl glucoside drilling fluid that bright 5~embodiment of embodiment 8 is prepared
As a result.
Embodiment 6
The polyethers amido ethyl glucoside for adding the embodiment of the present invention 2 of 16g to prepare in the water of 384g,
Stirred 5 minutes under the speed of 6000r/min, be added thereto to the high viscosity carboxymethyl cellulose of 1.6g
The low-viscosity sodium carboxymethyl cellulose salt LV-CMC of the xanthans XC, 3.2g of sodium salt HV-CMC, 1.6g,
Stirred 20 minutes under the speed of 6000r/min, add the sodium carboxymethyl starch CMS-Na of 16g,
The oil-soluble resin of 8g, the NaOH of 2.8g, the Na of 0.8g2CO3, stirred under the speed of 6000r/min
20 minutes, the Nacl of 60g is added, the sodium sulfite of 1.2g is stirred under the speed of 6000r/min
Mix 20 minutes, load in ageing can through 150 DEG C of rolling 16h, obtain without native phase polyetheramine base APG
Drilling fluid.
According to the method described in above-mentioned technical proposal, the test embodiment of the present invention 6 prepare without native phase
The apparent viscosity of polyethers amido alkyl glucoside drilling fluid, plastic viscosity, yield value, gel strength, middle press filtration
Vector, high pressure filter loss, anti-salt property, anticalcium performance, anti-bentonite performance, water resistant are soaked performance, are resisted
Performance of crude oils, rock core primary recovery, rock core relative recovery, extreme boundary lubrication coefficient, Dynamic Permeability
Recovery value, static permeability resume figure and heat-resisting property, test result are as shown in table 1.
Embodiment 7
The polyethers amido propyl glucoside for adding the embodiment of the present invention 3 of 20g to prepare in the water of 380g,
Stirred 5 minutes under the speed of 8000r/min, be added thereto to the high viscosity carboxymethyl cellulose of 2.0g
The low-viscosity sodium carboxymethyl cellulose salt LV-CMC of the xanthans XC, 3.6g of sodium salt HV-CMC, 2.0g,
Stirred 20 minutes under the speed of 8000r/min, add the sodium carboxymethyl starch CMS-Na of 20g,
12g without seepage formation sealant WLP, the NaOH of 3.2g, the Na of 1.2g2CO3, 8000r/min's
Stirred 20 minutes under speed, add the Nacl of 80g, the vulcanized sodium of 2.0g, 8000r/min's
Stirred 20 minutes under speed, loaded in ageing can through 150 DEG C of rolling 16h, obtained without native phase polyetheramine base
Alkyl glucoside drilling fluid.
According to the method described in above-mentioned technical proposal, the test embodiment of the present invention 7 prepare without native phase
The apparent viscosity of polyethers amido alkyl glucoside drilling fluid, plastic viscosity, yield value, gel strength, middle press filtration
Vector, high pressure filter loss, anti-salt property, anticalcium performance, anti-bentonite performance, water resistant are soaked performance, are resisted
Performance of crude oils, rock core primary recovery, rock core relative recovery, extreme boundary lubrication coefficient, Dynamic Permeability
Recovery value, static permeability resume figure and heat-resisting property, test result are as shown in table 1.
Embodiment 8
The polyethers amido butyl glycoside for adding the embodiment of the present invention 4 of 28g to prepare in the water of 372g,
Stirred 5 minutes under the speed of 10000r/min, be added thereto to the high viscosity carboxymethyl cellulose of 2.4g
The low-viscosity sodium carboxymethyl cellulose salt LV-CMC of the xanthans XC, 4.0g of sodium salt HV-CMC, 2.4g,
Stirred 20 minutes under the speed of 10000r/min, add the sodium carboxymethyl starch CMS-Na of 28g,
16g without seepage formation sealant WLP, the NaOH of 4.0g, the Na of 1.6g2CO3, 10000r/min's
Stirred 20 minutes under speed, add the Nacl of 96g, the sulphur of 2.4g, in the speed of 10000r/min
The lower stirring of degree 20 minutes, loads in ageing can through 150 DEG C of rolling 16h, obtains without native phase polyetheramine base alkane
Base glucosides drilling fluid.
According to the method described in above-mentioned technical proposal, the test embodiment of the present invention 8 prepare without native phase
The apparent viscosity of polyethers amido alkyl glucoside drilling fluid, plastic viscosity, yield value, gel strength, middle press filtration
Vector, high pressure filter loss, anti-salt property, anticalcium performance, anti-bentonite performance, water resistant are soaked performance, are resisted
Performance of crude oils, rock core primary recovery, rock core relative recovery, extreme boundary lubrication coefficient, Dynamic Permeability
Recovery value, static permeability resume figure and heat-resisting property, test result are as shown in table 1.
5~the embodiment of the embodiment of the present invention 8 of table 1 prepare without native phase polyetheramine base alkyl glucoside drilling fluid
The performance test results
| Test event | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Apparent viscosity (mPa.s) | 55.5 | 63.5 | 83.5 | 81.5 |
| Plastic viscosity (mPa.s) | 38 | 42 | 59 | 58 |
| Yield value (Pa) | 17.5 | 21.5 | 24.5 | 23.5 |
| Gel strength (Pa/Pa) | 2.5/8.5 | 3.0/9.0 | 5.0/9.5 | 5.5/10.5 |
| Middle press filtration vector | 3.6 | 2.6 | 2.4 | 2.8 |
| High temperature and high pre ssure filtration | 13 | 12 | 11 | 10 |
| Anti-salt property | Saturation | Saturation | Saturation | Saturation |
| Anticalcium performance | 10% | 10% | 10% | 10% |
| Anti- bentonite performance | 20% | 20% | 20% | 20% |
| Water resistant soaks performance | 40% | 40% | 40% | 40% |
| Anti- performance of crude oils | 20% | 20% | 20% | 20% |
| Rock core primary recovery (%) | 98.5 | 98.8 | 98.9 | 99.2 |
| Rock core relative recovery (%) | 99.5 | 99.6 | 99.9 | 99.7 |
| Extreme boundary lubrication coefficient | 0.087 | 0.081 | 0.076 | 0.068 |
| Dynamic Permeability recovery value (%) | 90.18 | 90.76 | 90.55 | 90.35 |
| Static permeability resume figure (%) | 93.85 | 93.88 | 94.17 | 94.50 |
| Heat-resisting property (DEG C) | 150 | 150 | 150 | 150 |
As seen from the above embodiment, the invention provides one kind without native phase polyetheramine base alkyl glucoside drilling fluid,
Including：The polyethers amido APG of 2wt%~7wt%, the polyethers amido APG has Formulas I institute
The structure shown, in Formulas I, m is that 0~3, n is that 0~3, o is 0~3, is 0, R when m, n are different with o
It is the alkyl that carbon number is 1~10；The tackifier of 0.4wt%~1.2wt%；The drop filter of 2.6wt%~8wt%
Lose agent；The sealing agent of 1wt%~4wt%；The pH value regulator of 0.6wt%~1wt%；0.1wt%~0.4wt%
Carbonate；The sodium chloride of 10wt%~24wt%；The sulfur-bearing antioxidant of 0.2wt%~0.6wt%；It is balance of
Water.The invention provides described in a kind of above-mentioned technical proposal without native phase polyetheramine base alkyl glucoside drilling fluid
Preparation method, including：By polyethers amido APG, tackifier, fluid loss additive, sealing agent, pH value
Burin-in process is carried out after the mixing of conditioning agent, carbonate, sodium chloride, sulfur-bearing antioxidant and water, is obtained without soil
Phase polyetheramine base alkyl glucoside drilling fluid.
The present invention provide without in native phase polyetheramine base alkyl glucoside drilling fluid contain polyethers amido APG,
Polyethers amido APG has preferable rejection, by polyethers amido APG and drilling fluid
Using cooperatively for other compositions, makes the suppression without native phase polyetheramine base alkyl glucoside drilling fluid of present invention offer
Performance processed is also preferable；And present invention offer is without native phase without native phase polyetheramine base alkyl glucoside drilling fluid
System drilling liquid, does not have clay particle to protect target zone, will not destroy oil flow channel, makes offer of the present invention
There is preferable reservoir protection without native phase polyetheramine base alkyl glucoside drilling fluid；The nothing that the present invention is provided
Native phase polyetheramine base alkyl glucoside drilling fluid can effectively solve strong retraction mud shale, easily be caved in containing mud stone etc.
Stratum and the borehole well instability problem of shale gas horizontal well, meet reservoir protection requirement.Additionally, the polyethers
Aminoalkyl glucosides is used cooperatively with the other compositions in drilling fluid, can protect in drilling fluid other into
Divide and be not easily decomposed at high temperature, having without native phase polyetheramine base alkyl glucoside drilling fluid for present invention offer is provided
Preferable heat-resisting property and antifouling property；And the polyethers amido APG has preferable lubricity
Can, the also preferable without native phase polyetheramine base alkyl glucoside drilling fluid greasy property of present invention offer is provided.In addition,
, the safety and environmental protection nontoxic, harmless without native phase polyetheramine base alkyl glucoside drilling fluid that the present invention is provided；And
Cost is relatively low.
Claims (10)
1. one kind is without native phase polyetheramine base alkyl glucoside drilling fluid, including：
The polyethers amido APG of 2wt%~7wt%, the polyethers amido APG has shown in Formulas I
Structure：
In Formulas I, m is that 0~3, n is that 0~3, o is 0~3, is 0 when m, n are different with o；
R is alkyl that carbon number is 1~10；
The tackifier of 0.4wt%~1.2wt%；
The fluid loss additive of 2.6wt%~8wt%；
The sealing agent of 1wt%~4wt%；
The pH value regulator of 0.6wt%~1wt%；
The carbonate of 0.1wt%~0.4wt%；
The sodium chloride of 10wt%~24wt%；
The sulfur-bearing antioxidant of 0.2wt%~0.6wt%；
Balance of water.
2. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The R is methyl, ethyl, propyl group or butyl.
3. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The tackifier include high-viscosity sodium carboxymethyl cellulose salt and xanthans.
4. according to claim 3 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The mass ratio of the high-viscosity sodium carboxymethyl cellulose salt and xanthans is (0.5~1.5):1.
5. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The fluid loss additive includes low-viscosity sodium carboxymethyl cellulose salt and sodium carboxymethyl starch.
6. according to claim 5 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The mass ratio of the low-viscosity sodium carboxymethyl cellulose salt and sodium carboxymethyl starch is (0.6~1):(2~7).
7. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The sealing agent is including calcium carbonate, oil-soluble resin, without one kind in seepage formation sealant and sulfonated gilsonite or several
Kind.
8. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The carbonate include sodium carbonate and potassium carbonate in one or two.
9. according to claim 1 without native phase polyetheramine base alkyl glucoside drilling fluid, it is characterised in that
The sulfur-bearing antioxidant includes one or more in sodium hydrogensulfite, sodium sulfite, vulcanized sodium and sulphur.
10. without native phase polyetheramine base alkyl glucoside drilling fluid any one of a kind of claim 1~9
Preparation method, including：
By polyethers amido APG, tackifier, fluid loss additive, sealing agent, pH value regulator, carbonic acid
Burin-in process is carried out after the mixing of salt, sodium chloride, sulfur-bearing antioxidant and water, is obtained without native phase polyetheramine base alkane
Base glucosides drilling fluid.
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| WO2020119478A1 (en) * | 2018-12-13 | 2020-06-18 | 中石化石油工程技术服务有限公司 | Aryl-substituted sugar or glycoside and application thereof in drilling fluid composition |
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| CN114316928A (en) * | 2020-09-28 | 2022-04-12 | 中石化石油工程技术服务有限公司 | Temperature-resistant modified natural polymer drilling fluid |
| CN112724943A (en) * | 2021-04-01 | 2021-04-30 | 东营辰鑫应用技术开发有限公司 | Preparation method of treating agent for improving lubricating effect of drilling fluid |
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