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Lubricating agent for shaft boring machine and preparation method of lubricating agent

A lubricant and mechanical technology, which is applied in the field of lubricants for drilling machinery and its preparation, can solve the problems of environmental pollution and high cost, and achieve the effect of low friction coefficient, low cost and easy adhesion

Inactive Publication Date: 2014-12-24
JIANGSU KANG BAISI MECHANICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The currently widely used lubricants for drilling fluids either have high cost, or pollute the environment, or have fluorescence that affects geological logging, and none of them can well meet the cost and performance requirements of drilling fluid lubricants for large-scale horizontal well exploration and development.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A lubricant for drilling machinery, the components and the mass fractions of each component are as follows: 10 parts of carnauba wax, 1 part of oleic acid, 0.1 part of butylated hydroxymethyltoluene, 1 part of triethanolamine, 20 parts of silicone oil, micro 1 part of paraffin wax, 5 parts of glycerin, 5 parts of lanolin, 1 part of sodium chloride, 3 parts of lauryl oleate, 0.5 parts of sodium nitrite, 1 part of urea, 1 part of potassium lauryl phosphate, methyl Acrylic acid 0.5 part, emulsifier fatty alcohol polyoxyethylene ether 2 parts.

[0020] The preparation method comprises the steps of:

[0021] 1) Mix carnauba wax, oleic acid, butylated hydroxymethyltoluene, triethanolamine, silicone oil, microcrystalline paraffin, glycerin and lanolin in proportion, heat to 85°C, stir for 30min, cool to room temperature, add ten Stir and mix the dialkyl phosphate ester salt to obtain a mixed solution a;

[0022] 2) Mix sodium chloride, lauryl oleate, sodium nitrite and urea,...

Embodiment 2

[0025] A lubricant for drilling machinery, the components and the mass fractions of each component are as follows: 20 parts of carnauba wax, 5 parts of oleic acid, 0.9 parts of butylated hydroxymethyltoluene, 6 parts of triethanolamine, 40 parts of silicone oil, micro 3 parts of paraffin wax, 10 parts of glycerin, 10 parts of lanolin, 5 parts of sodium chloride, 8 parts of lauryl oleate, 2.5 parts of sodium nitrite, 3 parts of urea, 8 parts of potassium lauryl phosphate, methyl 1.5 parts of acrylic acid, 6 parts of emulsifier fatty alcohol polyoxyethylene ether.

[0026] The preparation method comprises the steps of:

[0027] 1) Mix carnauba wax, oleic acid, butylated hydroxymethyltoluene, triethanolamine, silicone oil, microcrystalline paraffin, glycerin and lanolin in proportion, heat to 85°C, stir for 30min, cool to room temperature, add ten Stir and mix the dialkyl phosphate ester salt to obtain a mixed solution a;

[0028] 2) Mix sodium chloride, lauryl oleate, sodium n...

Embodiment 3

[0031] A lubricant for drilling machinery, the components and the mass fractions of each component are as follows: 12 parts of carnauba wax, 2 parts of oleic acid, 0.3 parts of butylated hydroxymethyl toluene, 2 parts of triethanolamine, 23 parts of silicone oil, micro 1 part of paraffin wax, 6 parts of glycerin, 6 parts of lanolin, 2 parts of sodium chloride, 4 parts of lauryl oleate, 0.8 parts of sodium nitrite, 1 part of urea, 6 parts of sodium lauryl phosphate, methyl 0.8 parts of acrylic acid, 4 parts of emulsifier sodium oleyl amino acid.

[0032] The preparation method comprises the steps of:

[0033] 1) Mix carnauba wax, oleic acid, butylated hydroxymethyltoluene, triethanolamine, silicone oil, microcrystalline paraffin, glycerin and lanolin in proportion, heat to 85°C, stir for 30min, cool to room temperature, add ten Stir and mix the dialkyl phosphate ester salt to obtain a mixed solution a;

[0034] 2) Mix sodium chloride, lauryl oleate, sodium nitrite and urea, ...

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Abstract

The invention discloses a lubricating agent for a shaft boring machine and a preparation method of the lubricating agent. The lubricating agent is prepared from the following constituents in parts by weight: 10-20 parts of carnauba wax, 1-5 parts of oleic acid, 0.1-0.9 parts of butylated hydroxytoluene, 1-6 parts of triethanolamine, 20-40 parts of silicon oil, 1-3 parts of microcrystalline wax, 5-10 parts of glycerin, 5-10 parts of wool fat, 1-5 parts of sodium chloride, 3-8 parts of dodecyl oleate, 0.5-2.5 parts of sodium nitrite, 1-3 parts of urea, 1-8 parts of lauryl phosphate, 0.5-1.5 parts of methylacrylic acid, and 2-6 parts of an emulsifying agent. The lubricating agent is low in cost, good in lubricating effect, easy to adhere to the surface of the shaft boring machine, high in adhesive force, capable of forming oil film on the surface to reduce resistance between friction parts and preventing water and steam from entering in the machine, high in water resistance and dirt resistance, low in friction coefficient, and very suitable for the working environment of the shaft boring machine.

Description

technical field [0001] The invention belongs to the technical field of lubricants, and in particular relates to a lubricant for drilling machinery and a preparation method thereof. Background technique [0002] During drilling and well completion operations, there will be friction between the drilling tool and the well wall and casing, and between the drilling fluid and the drilling tool, the well wall and the casing wall. During the drilling process of horizontal wells and directional wells, the action of gravity causes cuttings and drilling tools to accumulate to the lower part of the well wall, which further increases the contact area between drilling tools and cuttings, resulting in increased torque and frictional resistance, resulting in jamming Drilling and other downhole complex accidents. Lubricants can greatly reduce the frictional resistance of drilling fluids. Therefore, the drilling process of horizontal wells and directional wells has higher requirements on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/035
CPCC09K8/03C09K2208/02C09K2208/28C09K2208/34
Inventor 陈凌王琰任琪程晓
Owner JIANGSU KANG BAISI MECHANICAL TECH
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