CN109135692A - Drilling fluid fluosilicic activating agent - Google Patents

Drilling fluid fluosilicic activating agent Download PDF

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Publication number
CN109135692A
CN109135692A CN201811182885.6A CN201811182885A CN109135692A CN 109135692 A CN109135692 A CN 109135692A CN 201811182885 A CN201811182885 A CN 201811182885A CN 109135692 A CN109135692 A CN 109135692A
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China
Prior art keywords
parts
sodium
activating agent
chloride
drilling fluid
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Pending
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CN201811182885.6A
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Chinese (zh)
Inventor
宋志强
宋利强
宋聚强
蔡俊娥
王晓
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HEBEI SILICON VALLEY CHEMICAL CO Ltd
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HEBEI SILICON VALLEY CHEMICAL CO Ltd
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Priority to CN201811182885.6A priority Critical patent/CN109135692A/en
Publication of CN109135692A publication Critical patent/CN109135692A/en
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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
    • C09K8/035—Organic 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
    • 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
    • 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
    • C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses drilling fluid fluosilicic activating agents, belong to activating agent technical field, according to the mass fraction, including 20-50 parts of sodium chloride, 10-18 parts of potassium chloride, 5-15 parts of sodium sulphate, 0-10 parts of formaldehyde, 60-150 parts of sodium sulfite, 2-5 parts of sulfonate, 10-20 parts of aluminium chloride, 1-5 parts of Sodium Polyacrylate, 2-5 parts of maleic anhydride, 2-4 parts of potassium phosphate, 3-4 parts of perfluorooctylethyl group acrylate and 6-8 parts of containing hydrogen silicone oil.Activating agent of the invention is the hydrogen replaced on hydrocarbon in active agent with fluorine atom, to form the activating agent of carbon fluorine lipophilic group, with excellent high-temperature stability and chemical inertness, surface tension is minimum, mud surface tension can be greatly lowered, increase water in the distribution area on soil particle surface, wettability effect is good, can be effectively improved the phenomenon that mud water and soil is layered.

Description

Drilling fluid fluosilicic activating agent
Technical field
The invention belongs to activating agent technical fields, are related to fluosilicic activating agent, especially drilling fluid fluosilicic activating agent.
Background technique
Drilling fluid is fluid important in drilling engineering, and the superiority and inferiority of performance is directly related to the quality of drilling quality, more Play the role of to the oil recovery efficiency height in an oil field vital.With the rapid development of Deep Drilling Techniques, deep-well surpasses The technical problem that Drilling Fluid Technique for Deep faces is more and more prominent.Since China's geological condition is more complicated, Drilling Fluid Technique for Deep is faced with High temperature, with high salt, highdensity " three high " problem, the requirement to property of drilling fluid are higher and higher.Activating agent as in drilling fluid most Common inorganic agent has the advantage of No overtaking in aspect of performance such as raising drilling fluid viscosity, monolithic stability, lubrication drag reductions. But existing activating agent does not have good inhibiting effect for the phenomenon that mud water and soil layering.
Summary of the invention
The present invention in order to overcome the drawbacks of the prior art, devises drilling fluid fluosilicic activating agent, surface tension is minimum, can The phenomenon that mud surface tension is greatly lowered, is effectively improved the layering of mud water and soil.It is good to lubricate inhibition, can be formed on the borehole wall The wall building function and high temperature of system can be improved after properly handling drilling fluid using activating agent of the invention in one layer of semi-permeable membrane Stability.
Specific technical solution adopted by the present invention is: drilling fluid fluosilicic activating agent, key are: by mass fraction Meter, including 20-50 parts of sodium chloride, 10-18 parts of potassium chloride, 5-15 parts of sodium sulphate, 0-10 parts of formaldehyde, 60-150 parts of sodium sulfite, 2-5 parts of sulfonate, 10-20 parts of aluminium chloride, 1-5 parts of Sodium Polyacrylate, 2-5 parts of maleic anhydride, 2-4 parts of potassium phosphate, perfluoro capryl 3-4 parts and containing hydrogen silicone oil 6-8 parts of ethyl propylene acid esters.
According to the mass fraction, including 20 parts of sodium chloride, 10 parts of potassium chloride, 5 parts of sodium sulphate, 0 part of formaldehyde, sodium sulfite 60 Part, 2 parts of sulfonate, 10 parts of aluminium chloride, 1 part of Sodium Polyacrylate, 2 parts of maleic anhydride, 2 parts of potassium phosphate, perfluorooctylethyl group propylene 3 parts and 6 parts of containing hydrogen silicone oil of acid esters.
According to the mass fraction, including 50 parts of sodium chloride, 18 parts of potassium chloride, 15 parts of sodium sulphate, 10 parts of formaldehyde, sodium sulfite 150 parts, 5 parts of sulfonate, 20 parts of aluminium chloride, 5 parts of Sodium Polyacrylate, 5 parts of maleic anhydride, 4 parts of potassium phosphate, perfluorooctylethyl group third 4 parts and 8 parts of containing hydrogen silicone oil of olefin(e) acid ester.
According to the mass fraction, including 35 parts of sodium chloride, 14 parts of potassium chloride, 10 parts of sodium sulphate, 5 parts of formaldehyde, sodium sulfite 105 Part, 3 parts of sulfonate, 15 parts of aluminium chloride, 3 parts of Sodium Polyacrylate, 4 parts of maleic anhydride, 3 parts of potassium phosphate, perfluorooctylethyl group propylene 3.5 parts and 7 parts of containing hydrogen silicone oil of acid esters.
According to the mass fraction, including 27 parts of sodium chloride, 12 parts of potassium chloride, 8 parts of sodium sulphate, 3 parts of formaldehyde, sodium sulfite 82 Part, 2.5 parts of sulfonate, 12 parts of aluminium chloride, 2 parts of Sodium Polyacrylate, 3 parts of maleic anhydride, 2.5 parts of potassium phosphate, perfluorooctylethyl group 3.2 parts and 6.5 parts of containing hydrogen silicone oil of acrylate.
According to the mass fraction, including 43 parts of sodium chloride, 16 parts of potassium chloride, 13 parts of sodium sulphate, 8 parts of formaldehyde, sodium sulfite 128 Part, 4 parts of sulfonate, 18 parts of aluminium chloride, 4 parts of Sodium Polyacrylate, 4.5 parts of maleic anhydride, 3.5 parts of potassium phosphate, perfluorooctylethyl group 3.8 parts and 7.5 parts of containing hydrogen silicone oil of acrylate.
The beneficial effects of the present invention are: the sodium chloride and sodium sulfite in the present invention all have effect resistant to high temperatures, potassium chloride All have with formaldehyde it is Viscosity-reducing, sodium sulphate have thermal stability, sodium chloride, potassium chloride, sodium sulphate, sodium sulfite and formaldehyde are mutually tied It closes, is improved respective effect, the high-temperature resistance enhancing of product entirety, mud stability is improved.Sulfonate and Aluminium chloride all has lubricating action, and Sodium Polyacrylate has diluting effect, and maleic anhydride has resistant to high temperatures and diluting effect, phosphoric acid Potassium has viscosity reduction effect, and sulfonate, aluminium chloride, Sodium Polyacrylate, maleic anhydride and potassium phosphate combine, and makes respective act on To raising, product viscosity reduction stabilization with super strength.Perfluorooctylethyl group acrylate and containing hydrogen silicone oil all have hydrophobicity, It can be with improvement of mud cake, toughness and lubricity.
Activating agent of the invention is the hydrogen replaced on hydrocarbon in active agent with fluorine atom, to form carbon fluorine oleophylic Base, surface tension is minimum, and surface tension reduced rate is more than or equal to 50% in distilled water, can increase water in the distribution on soil particle surface The phenomenon that area, wettability effect is good, can be effectively improved the layering of mud water and soil.
Activating agent of the invention has good lubrication inhibition, and lubricating coefficient reduced rate is more than or equal to 80%, can be in well One layer of semi-permeable membrane is formed on wall, and after properly handling drilling fluid using activating agent of the invention, the wall building function of system can be improved Energy and high-temperature stability reduce inorganic agent dosage；Reduce high temperature fluid loss, improvement of mud cake, toughness and lubricity；Reduce or Bit balling is prevented, viscous card probability is reduced；Drilling fluid internal friction is greatly reduced, is had to high-density slurry outstanding PV (plastic viscosity) effect is dropped, enhances drilling fluid suspension, can significantly extend the maintenance period of drilling fluid.
Activating agent of the invention is white to milky liquid, has a good environmental protection ability, nontoxic, without dirt Dye, is particularly suitable for marine oil field.
Specific embodiment
The present invention will be described in detail below with reference to specific embodiments:
One, specific embodiment:
Embodiment 1, drilling fluid fluosilicic activating agent, according to the mass fraction, including 20 parts of sodium chloride, 10 parts of potassium chloride, sulphur 5 parts of sour sodium, 0 part of formaldehyde, 60 parts of sodium sulfite, 2 parts of sodium sulfonate, 10 parts of aluminium chloride, 1 part of Sodium Polyacrylate, 2 parts of maleic anhydride, 2 parts of potassium phosphate, 3 parts of perfluorooctylethyl group acrylate and 6 parts of containing hydrogen silicone oil.
Embodiment 2, drilling fluid fluosilicic activating agent, according to the mass fraction, including 50 parts of sodium chloride, 18 parts of potassium chloride, sulphur 15 parts of sour sodium, 10 parts of formaldehyde, 150 parts of sodium sulfite, 5 parts of sodium sulfonate, 20 parts of aluminium chloride, 5 parts of Sodium Polyacrylate, maleic anhydride 5 Part, 4 parts of potassium phosphate, 4 parts of perfluorooctylethyl group acrylate and 8 parts of containing hydrogen silicone oil.
Embodiment 3, drilling fluid fluosilicic activating agent, according to the mass fraction, including 35 parts of sodium chloride, 14 parts of potassium chloride, sulphur 10 parts of sour sodium, 5 parts of formaldehyde, 105 parts of sodium sulfite, 3 parts of sodium sulfonate, 15 parts of aluminium chloride, 3 parts of Sodium Polyacrylate, maleic anhydride 4 Part, 3 parts of potassium phosphate, 3.5 parts of perfluorooctylethyl group acrylate and 7 parts of containing hydrogen silicone oil.
Embodiment 4, drilling fluid fluosilicic activating agent, according to the mass fraction, including 27 parts of sodium chloride, 12 parts of potassium chloride, sulphur 8 parts of sour sodium, 3 parts of formaldehyde, 82 parts of sodium sulfite, 2.5 parts of sulfoacid calcium, 12 parts of aluminium chloride, 2 parts of Sodium Polyacrylate, maleic anhydride 3 Part, 2.5 parts of potassium phosphate, 3.2 parts of perfluorooctylethyl group acrylate and 6.5 parts of containing hydrogen silicone oil.
Embodiment 5, drilling fluid fluosilicic activating agent, according to the mass fraction, including 43 parts of sodium chloride, 16 parts of potassium chloride, sulphur 13 parts of sour sodium, 8 parts of formaldehyde, 128 parts of sodium sulfite, 4 parts of sulfoacid calcium, 18 parts of aluminium chloride, 4 parts of Sodium Polyacrylate, maleic anhydride 4.5 Part, 3.5 parts of potassium phosphate, 3.8 parts of perfluorooctylethyl group acrylate and 7.5 parts of containing hydrogen silicone oil.
Embodiment 6, drilling fluid fluosilicic activating agent, according to the mass fraction, including 23 parts of sodium chloride, 11 parts of potassium chloride, sulphur 6 parts of sour sodium, 2 parts of formaldehyde, 71 parts of sodium sulfite, 2.3 parts of sulfoacid calcium, 11 parts of aluminium chloride, 1.5 parts of Sodium Polyacrylate, maleic anhydride 2.5 parts, 2.3 parts of potassium phosphate, 3.1 parts of perfluorooctylethyl group acrylate and 6.2 parts of containing hydrogen silicone oil.
Embodiment 7, drilling fluid fluosilicic activating agent, according to the mass fraction, including 31 parts of sodium chloride, 13 parts of potassium chloride, sulphur 9 parts of sour sodium, 4 parts of formaldehyde, 93 parts of sodium sulfite, 2.7 parts of sulfonic acid magnesium, 14 parts of aluminium chloride, 2.5 parts of Sodium Polyacrylate, maleic anhydride 3.5 parts, 2.7 parts of potassium phosphate, 3.4 parts of perfluorooctylethyl group acrylate and 6.7 parts of containing hydrogen silicone oil.
Embodiment 8, drilling fluid fluosilicic activating agent, according to the mass fraction, including 39 parts of sodium chloride, 15 parts of potassium chloride, sulphur 12 parts of sour sodium, 7 parts of formaldehyde, 116 parts of sodium sulfite, 3.5 parts of sulfonic acid magnesium, 16 parts of aluminium chloride, 3.5 parts of Sodium Polyacrylate, maleic acid 4.3 parts of acid anhydride, 3.2 parts of potassium phosphate, 3.6 parts of perfluorooctylethyl group acrylate and 7.2 parts of containing hydrogen silicone oil.
Embodiment 9, drilling fluid fluosilicic activating agent, according to the mass fraction, including 46 parts of sodium chloride, 17 parts of potassium chloride, sulphur 14 parts of sour sodium, 9 parts of formaldehyde, 139 parts of sodium sulfite, 4.5 parts of sulfonic acid magnesium, 19 parts of aluminium chloride, 4.5 parts of Sodium Polyacrylate, maleic acid 4.7 parts of acid anhydride, 3.7 parts of potassium phosphate, 3.9 parts of perfluorooctylethyl group acrylate and 7.7 parts of containing hydrogen silicone oil.
Embodiment 10, drilling fluid fluosilicic activating agent, according to the mass fraction, including 20 parts of sodium chloride, 10 parts of potassium chloride, sulphur 5 parts of sour sodium, 1 part of formaldehyde, 60 parts of sodium sulfite, 2 parts of sulfonic acid magnesium, 10 parts of aluminium chloride, 1 part of Sodium Polyacrylate, 2 parts of maleic anhydride, 2 parts of potassium phosphate, 3 parts of perfluorooctylethyl group acrylate and 6 parts of containing hydrogen silicone oil.
Two, performance test:
1, instrument and material:
A) high-speed mixer: GJ-1 type or similar product；
B) magnetic stirrer；
C) balance: scale division value is 0.1m parts, 0.01 part；
D) lubricity tester: EP-A type or similar product；
E) stopwatch: sensitivity 0.1s；
F) accurate pH test paper: color range 0.2；
G) surface tension instrument；
H) it tests bentonite with slurry: meeting the regulation of SY/T5490-2016.
2, test procedure:
2.1 appearances: sample is estimated under natural light.
2.2pH value: 1.0 parts of samples are dissolved at room temperature in 100mL distilled water, measure pH with pH test paper after stirring and dissolving Value.
The analysis of 2.3 silicone contents measures:
2.3.1 principle:
Using the concentrated sulfuric acid and concentrated nitric acid as oxidant, decomposed with organic silicon-fluorine compound sample heat together, calcination to constant weight.It is organic Object thermal decomposition, product CO2、H2O、SiF4、H2SiF6After volatilization, " carbon residue " (residue) SiO is left2, weigh SiO2Quality, Calculate silicon Si content.Due to containing fluorine element in this sample, SiF can be generated in pyrolysis4、H2SiF6Volatile matter causes part silicon (Si) it loses.Therefore calculated result needs are corrected according to fluorine content.
2.3.2 instrument and equipment:
(1) 2ml platinum crucible；
(2) Muffle furnace；
(3) balance: scale division value is 0.01 part, 0.1m parts.
2.3.3 reagent:
(1) concentrated sulfuric acid (analyzing pure, relative density 1.84)；
(2) concentrated nitric acid (analyzing pure, relative density 1.42).
2.3.4 operating method:
In the platinum crucible of 2ml dried and clean, 30~50mg organic silicon-fluorine compound sample is accurately weighed, it is careful to instill 3~5 drop concentrated sulfuric acids, turn crucible soak sample sulfuric acid, add 2~3 drop concentrated nitric acids, and later, crucible cover half is covered , it is put into Muffle furnace and is heated to 500 DEG C, 5~10min of calcination carefully takes out crucible with crucible tongs, observes solid material therein White whether is all become, if decomposed not exclusively, has added the two drop concentrated sulfuric acids, has placed into Muffle furnace after afterglow to sample Become white solid completely.650 DEG C~700 DEG C high fever calcination 20min are warming up to, crucible is taken out, weigh (SiO after cooling2Matter Amount), calculate silicone content:
The meaning of each symbol is as follows in above formula:
I --- silicone content, %；
m1--- residue (SiO in crucible after calcination2) quality, mg；
M --- organic silicon-fluorine compound sample quality, mg.
Calculating is corrected to silicon loss amount according to fluorine content:
With SiF4Caused by silicon loss meter: I2=28/76 × F%=0.3684 × F% (I2- silicone content, %), I1And I2 The sum of two calculating is silica test result in sample.
2.3.5 organo-silicon compound content converts in product:
WithChain link is organo-silicon compound basic structural unit, organo-silicon compound content are as follows:
Organo-silicon compound content %=74/28 × (I1+I2)=2.643 × (I1+I2)。
The measurement of surface tension reduced rate in 2.4 distilled water:
2.4.1 the preparation of test solution, by water: sample=100:0.2 proportional arrangement test solution.
2.4.2 in distilled water surface tension measurement: by measuring instrument specification operate, respectively measure distilled water, examination The surface tension of liquid.
2.4.3 in distilled water surface tension reduced rate calculating:
The meaning of each symbol is as follows in above formula:
P --- surface tension reduced rate in distilled water, %；
The surface tension of m --- distilled water；
m1--- the surface tension of test solution.
The measurement of 2.5 lubricating coefficient reduced rates:
2.5.1 the preparation of base slurry, in water: bentonite with slurry: natrium carbonicum calcinatum=100:5:0.175 ratio prepares base Slurry, after stirring 20min on high speed agitator, curing in airtight condition is for 24 hours.The lubricating coefficient of base slurry, base slurry are measured on EP lubricity tester Lubricating coefficient should be greater than 0.50, otherwise adjust bentonitic dosage.
2.5.2 the base slurry 400ml after taking 2.5.1 to conserve, is added 4.0 parts of samples, after high-speed stirred 20min, according to SY/ The measurement of T6094 lubricant for drilling fluids assessment process, while the lubricating coefficient of base slurry is surveyed, and calculate lubrication with following formula (2) Coefficient reduced rate.
The meaning of each symbol is as follows in above formula:
η-lubricating coefficient reduced rate, %；
ω-base starches lubricating coefficient；
ω1Lubricating coefficient after-base slurry sample-adding.
3, inspection rule:
By 5% sampling of the total barrelage of every a batch, every barrel of sampling about 100g is incorporated as sample, and sum is at 100 barrels or less When, sampling must not be less than 5 barrels, sampled using cartridge type sampler from every barrel of upper, middle and lower portion, be after sufficiently mixing this batch production Product sample.Two parts are taken out from product sample, every part takes 250 parts, is respectively charged into clean, dry sealing container, and indicate Name of product, Date of Sampling, sampling people, sampling spot, name of manufacturing factory and factory lot number etc..One bottle is delivered inspection, and one bottle remains Reinspection.
Three, experimental result:
The activating agent made of above-mentioned ten embodiments is tested for the property, shown in the table 1 in test result is as follows face:
The performance parameter of 1 activating agent of table
Project Index
Appearance White is to milky body of paste
PH value 6~8
Silicone content, % ≥3.0
Surface tension reduced rate in distilled water, % ≥50
Lubricating coefficient reduced rate, % ≥80
By the data in table 1 it is found that the pH value of activating agent of the present invention is 6~8, silicone content >=3.0%, in distilled water Surface tension reduced rate is more than or equal to 50%, in conjunction with formula (1) above it is found that m >=2m1, i.e. the surface tension m of activating agent1It is less than Equal to the half of the surface tension m of distilled water.Conventional drilling mud is mixed using quantitative bentonite and water, but due to Particle is not soluble in water, water and soil layering is frequently resulted in after mixing, water is little to the wetting action of soil particle, the table of activating agent of the present invention Face tension is minimum, and the tension of mud surface can be greatly lowered, and increases distribution area of the water on soil particle surface, wettability effect It is good, the phenomenon that water and soil is layered can be effectively improved.
Lubricating coefficient reduced rate is more than or equal to 80%, in conjunction with formula (2) above it is found that the ω of ω >=51, i.e., after base slurry sample-adding Lubricating coefficient ω1Less than or equal to 1/5th of base slurry lubricating coefficient ω, so activating agent of the invention has good profit Sliding inhibition, some surface active property are preferable.

Claims (6)

1. drilling fluid fluosilicic activating agent, it is characterised in that: according to the mass fraction, including 20-50 parts of sodium chloride, potassium chloride 10- 18 parts, 5-15 parts of sodium sulphate, 0-10 parts of formaldehyde, 60-150 parts of sodium sulfite, 2-5 parts of sulfonate, 10-20 parts of aluminium chloride, poly- third 1-5 parts of olefin(e) acid sodium, 2-5 parts of maleic anhydride, 2-4 parts of potassium phosphate, 3-4 parts of perfluorooctylethyl group acrylate and containing hydrogen silicone oil 6-8 Part.
2. drilling fluid according to claim 1 fluosilicic activating agent, it is characterised in that: according to the mass fraction, including chlorination 20 parts of sodium, 10 parts of potassium chloride, 5 parts of sodium sulphate, 0 part of formaldehyde, 60 parts of sodium sulfite, 2 parts of sulfonate, 10 parts of aluminium chloride, polypropylene 1 part of sour sodium, 2 parts of maleic anhydride, 2 parts of potassium phosphate, 3 parts of perfluorooctylethyl group acrylate and 6 parts of containing hydrogen silicone oil.
3. drilling fluid according to claim 1 fluosilicic activating agent, it is characterised in that: according to the mass fraction, including chlorination 50 parts of sodium, 18 parts of potassium chloride, 15 parts of sodium sulphate, 10 parts of formaldehyde, 150 parts of sodium sulfite, 5 parts of sulfonate, 20 parts of aluminium chloride, poly- third 5 parts of olefin(e) acid sodium, 5 parts of maleic anhydride, 4 parts of potassium phosphate, 4 parts of perfluorooctylethyl group acrylate and 8 parts of containing hydrogen silicone oil.
4. drilling fluid according to claim 1 fluosilicic activating agent, it is characterised in that: according to the mass fraction, including chlorination 35 parts of sodium, 14 parts of potassium chloride, 10 parts of sodium sulphate, 5 parts of formaldehyde, 105 parts of sodium sulfite, 3 parts of sulfonate, 15 parts of aluminium chloride, poly- third 3 parts of olefin(e) acid sodium, 4 parts of maleic anhydride, 3 parts of potassium phosphate, 3.5 parts of perfluorooctylethyl group acrylate and 7 parts of containing hydrogen silicone oil.
5. drilling fluid according to claim 1 fluosilicic activating agent, it is characterised in that: according to the mass fraction, including chlorination 27 parts of sodium, 12 parts of potassium chloride, 8 parts of sodium sulphate, 3 parts of formaldehyde, 82 parts of sodium sulfite, 2.5 parts of sulfonate, 12 parts of aluminium chloride, poly- third 2 parts of olefin(e) acid sodium, 3 parts of maleic anhydride, 2.5 parts of potassium phosphate, 3.2 parts of perfluorooctylethyl group acrylate and 6.5 parts of containing hydrogen silicone oil.
6. drilling fluid according to claim 1 fluosilicic activating agent, it is characterised in that: according to the mass fraction, including chlorination 43 parts of sodium, 16 parts of potassium chloride, 13 parts of sodium sulphate, 8 parts of formaldehyde, 128 parts of sodium sulfite, 4 parts of sulfonate, 18 parts of aluminium chloride, poly- third 4 parts of olefin(e) acid sodium, 4.5 parts of maleic anhydride, 3.5 parts of potassium phosphate, 3.8 parts of perfluorooctylethyl group acrylate and 7.5 parts of containing hydrogen silicone oil.
CN201811182885.6A 2018-10-11 2018-10-11 Drilling fluid fluosilicic activating agent Pending CN109135692A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258756B1 (en) * 1999-01-26 2001-07-10 Spectral, Inc. Salt water drilling mud and method
CN101368090A (en) * 2008-09-19 2009-02-18 宋福如 Process for preparing silicon-fluorine high temperature resistant thinner dry powder for drilling fluids
WO2010121027A3 (en) * 2009-04-15 2011-01-20 M-I L.L.C. Lubricant for water-based muds and methods of use thereof
CN107722950A (en) * 2017-11-07 2018-02-23 重庆力宏精细化工有限公司 A kind of novel and multifunctional drilling fluid additive and its drilling fluid and preparation method of preparation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258756B1 (en) * 1999-01-26 2001-07-10 Spectral, Inc. Salt water drilling mud and method
CN101368090A (en) * 2008-09-19 2009-02-18 宋福如 Process for preparing silicon-fluorine high temperature resistant thinner dry powder for drilling fluids
WO2010121027A3 (en) * 2009-04-15 2011-01-20 M-I L.L.C. Lubricant for water-based muds and methods of use thereof
CN107722950A (en) * 2017-11-07 2018-02-23 重庆力宏精细化工有限公司 A kind of novel and multifunctional drilling fluid additive and its drilling fluid and preparation method of preparation

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
代 凯: "基于有机硅材料的钻井液稳定井壁性能研究", 《精细石油化工进展》 *
张高波: "我国钻井液用降粘剂的研究应用现状", 《油田化学》 *
黄玉媛: "《精细化工配方常用原料手册》", 31 March 1998 *

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Application publication date: 20190104