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Shearing-potentiation organic soil for drilling and preparation method thereof

An organic and cutting technology, applied in chemical instruments and methods, drilling compositions, etc., can solve the problems of low dynamic plastic ratio and insufficient shear force, and achieve high dynamic plastic ratio, obvious effect, and good cutting effect. Effect

Inactive Publication Date: 2014-08-20
克拉玛依市金鑫科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a cutting-type organic soil for drilling and its preparation method, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the currently disclosed problem of drilling In the process of using organic soil, there are problems of insufficient shearing force and low dynamic-plastic ratio

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: Add 1g of sodium hydroxide and 2g of soda ash to 93g of fresh water, stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes, add 4g of bentonite and stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes to obtain Bentonite suspension; take 20g of dihexadecyldimethylammonium bromide, add 50g into fresh water and stir at a temperature of 35°C to 45°C for 20 to 30 minutes to obtain the first group of solutions; respectively take 10g of OP-10 and Mix 10g of 4# white oil, stir at a temperature of 40°C to 50°C for 20 minutes to 30 minutes to obtain the second group of solutions; mix the second group of solutions into the first group of solutions, and add 10g of acetone, at a temperature of 50°C to 60°C Stir in medium temperature for 60 minutes to 120 minutes to obtain a composite modifier emulsion; under normal pressure, slowly add 20 parts of composite modifier emulsion to 60 parts of bentonite suspension and stir at a temperature of 50°C...

Embodiment 2

[0030] Example 2: Add 1g of sodium hydroxide and 2g of soda ash to 93g of fresh water, stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes, add 4g of bentonite and stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes to obtain Bentonite suspension; take 20g of dihexadecyldimethylammonium chloride, add 50g into fresh water and stir at a temperature of 35°C to 45°C for 20 to 30 minutes to obtain the first group of solutions; respectively take 10g of OP-10 and Mix 10g of 4# white oil and stir at a temperature of 40°C to 50°C for 20 minutes to 30 minutes to obtain the second group of solutions; mix the second group of solutions into the first group of solutions, and add 10g of acetone, at a temperature of 50°C to 60°C Stir for 60 minutes to 120 minutes to obtain a composite modifier emulsion; under normal pressure, slowly add 20 parts of the composite modifier emulsion to 60 parts of bentonite suspension and stir at a temperature of 50°C to 60°C for 1...

Embodiment 3

[0031] Example 3: Add 1g of sodium hydroxide and 2g of soda ash to 93g of fresh water, stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes, add 4g of bentonite and stir at a temperature of 35°C to 45°C for 20 minutes to 30 minutes to obtain Bentonite suspension; take 20g of dioctadecyltrimethylammonium chloride, add 50g into fresh water and stir at a temperature of 35°C to 45°C for 20 to 30 minutes to obtain the first group of solutions; respectively take 10g of OP-10 and Mix 10g of 4# white oil and stir at a temperature of 40°C to 50°C for 20 minutes to 30 minutes to obtain the second group of solutions; mix the second group of solutions into the first group of solutions, and add 10g of acetone, at a temperature of 50°C to 60°C Stir for 60 minutes to 120 minutes to obtain a composite modifier emulsion; under normal pressure, slowly add 20 parts of the composite modifier emulsion to 60 parts of bentonite suspension and stir at a temperature of 50°C to 60°C for ...

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PUM

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Abstract

The invention relates to a shearing-potentiation organic soil for drilling, belonging to the technical field of organobentonite modification in petrochemical industry. The preparation method comprises the following steps: preparing required amounts of bentonite, sodium carbonate, sodium hydroxide or potassium hydroxide into a bentonite suspension; preparing a bis-quaternary ammonium salt cationic surfactant, an auxiliary dispersant, a nonionic surfactant, white oil and water into a composite modifier emulsion; stirring with tetrabutylammonium bromide and other secondary modifiers at 60-80 DEG C for 60-120 minutes, drying, and pulverizing to obtain the shearing-potentiation organic soil for drilling. The shearing-potentiation organic soil for drilling has the advantages of favorable shearing-potentiation effect and high ratio of dynamic shear force, is more suitable to be used in an all-oil-base low-solid drilling fluid system, has favorable suspension and cutting carrying effects.

Description

technical field [0001] The invention relates to the technical field of modification of organic bentonite in petrochemical industry, and relates to a cutting type organic soil for well drilling and a preparation method thereof. Background technique [0002] Organic clay (also known as organic bentonite) is mostly obtained by ion exchange between cationic quaternary ammonium salts of different structures or organic solvents with ion exchange capabilities and sodium bentonite, and can form gels in various organic solvents, oils, and liquid resins , with good thickening, thixotropy, suspension stability, high temperature stability, lubricity, film-forming, water resistance and other characteristics, in the synthesis of organic-inorganic nanocomposites, coatings, textiles, inks, wastewater treatment, casting, It is widely used in industries such as high temperature grease, drilling, daily cosmetics, pesticides, plastics and rubber. Using natural bentonite to synthesize organic s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/03C09K8/34
CPCC09K8/03C09K8/34
Inventor 冯建建王茂仁魏宏
Owner 克拉玛依市金鑫科技有限公司
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