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A kind of rosin wax lubricant for drilling fluid and preparation method thereof

A technology for lubricants and drilling fluids, applied in the field of rosin wax lubricants for drilling fluids and its preparation, can solve the problems of reduced lubricating performance, loss of lubricating performance, affecting lubricating performance, etc.

Active Publication Date: 2017-05-24
JIANGXI PINGXIANG ANHUA BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anionic fatty acid sodium lubricating drag reducers such as sodium rosinate are widely used in production. Although they have good lubricating properties and show good effects in general formations, they are prone to foaming and thickening during use, which affects Lubrication performance, when encountering polluted formations or polluted water, due to the calcium and magnesium ions contained in it and the main component fatty acid sodium to form water-insoluble fatty acid calcium and fatty acid magnesium precipitation, the lubricating performance is reduced or even completely lost. lubricating properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Step 1: Dissolve 10 parts of aminating agent (6 parts of ammonia water, 3 parts of ethanolamine, 1 part of sodium hydroxide) in 150 parts of water, and heat to 70~80℃ for use;

[0029] Step 2: Add 12 parts of span-80, 4.5 parts of tween-80, 6 parts of op-10 emulsifier, 7.5 parts of sodium dodecylbenzene sulfonate and 2 parts of CMS stabilizer to 150 parts of water, and dissolve for later use;

[0030] Step 3: Add 11 parts of white oil, 15 parts of paraffin, 10 parts of stearic acid, and 15 parts of rosin to the reaction kettle, gradually increase the temperature to 80~90℃, start stirring, and slowly add to the step 1 standby after all the materials are melted Solution water, keep the temperature for 1.5 hours and cool down to about 40°C. Then add the solution of step two and stir evenly.

[0031] Step 4: Send the evenly stirred liquid to a sand mill for grinding, and the finished product is the finished product when the paraffin wax particles reach 3 to 5 μm to form a stable ...

Embodiment 2

[0033] Step 1: Dissolve 15 parts of aminating agent (9 parts of ammonia water, 3 parts of ethanolamine, 3 parts of sodium hydroxide) in 200 parts of water, and heat to 70~80℃ for standby;

[0034] Step 2: Add 14 parts of span-80, 7 parts of tween-80, 9 parts of op-10 emulsifier, 10 parts of sodium dodecylbenzene sulfonate and 1 part of stabilizer-polyacrylamide into 200 parts of water, and dissolve them for later use ;

[0035] Step 3: Add 15 parts of white oil, 20 parts of paraffin, 20 parts of stearic acid, and 20 parts of rosin to the reaction kettle, gradually increase the temperature to 80-90°C, start stirring, and slowly add to step 1 standby after all the materials are melted Solution water, keep the temperature for 1.5 hours and cool down to about 40°C. Then add the solution of step two and stir evenly.

[0036] Step 4: Send the evenly stirred liquid to a sand mill for grinding, and the finished product is the finished product when the paraffin wax particles reach 3 to 5 μm...

Embodiment 3

[0038] Step 1: Dissolve 9 parts of aminating agent (6 parts of ammonia water, 2.2 parts of ethanolamine, 0.8 parts of sodium hydroxide) in 100 parts of water, and heat to 70-80°C for use;

[0039] Step 2: Add 7 parts of span-80, 3 parts of tween-80, 5 parts of op-10 emulsifier, 5 parts of sodium dodecylbenzene sulfonate and 2 parts of CMC stabilizer to 100 parts of water, and dissolve for later use;

[0040] Step 3: Add 8 parts of white oil, 10 parts of paraffin, 8 parts of stearic acid, and 15 parts of rosin to the reaction kettle, gradually increase the temperature to 80~90℃, turn on the stirring, and slowly add to the step 1 standby after the materials are all melted Solution water, keep the temperature for 1.5 hours and cool down to about 40°C. Then add the solution of step two and stir evenly.

[0041] Step 4: Send the evenly stirred liquid to a sand mill for grinding, and the finished product is the finished product when the paraffin wax particles reach 3 to 5 μm to form a sta...

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PUM

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Abstract

The invention discloses a rosin cerate lubricant for drilling fluids and a preparation method thereof. The lubricant is prepared from the following components in parts by weight: 10-40 parts of white oil, 10-30 parts of paraffin, 5-20 parts of stearic acid, 10-30 parts of rosin, 5-15 parts of aminating agent 5-50 parts of emulsifier, 0.1-5 parts of stabilizer and 150-400 parts of water. The white oil in the lubricant has the effect of lubricating and dispersing the paraffin; the paraffin and rosin are main lubricants; and the stearic acid and aminating agent can react to have the emulsifying effect and can form a more stable emulsion. After the rosin and paraffin subjected to fusion reaction are cooled, part of the product can be solidified and cured into fine particles. The cooling product is beneficial to dispersion of the paraffin particles; and therefore, the lubricant has the advantages of stable lubricating property and low tendency to foaming and thickening in use, and effectively ensures the use effect.

Description

Technical field [0001] The invention specifically relates to a rosin wax lubricant for drilling fluid and a preparation method thereof. Background technique [0002] Diamond drilling requires a high number of revolutions. When drilling deep holes, the frictional resistance between the drill pipe, drilling tool and the hole wall is very large. Adding lubricant to the flushing fluid can reduce the friction between the drill pipe, drilling tool and the hole wall. Frictional resistance. Thereby reducing the vibration generated when the drilling tool rotates, reducing power consumption; reducing the wear of the drilling tool and increasing the service life of the drill bit. A large number of anionic fatty acid sodium lubricating drag reducers such as sodium rosinate are used in production. Although they have good lubricating properties and show good effects in general formations, they are easy to foam and thicken during use, which affects Lubrication performance. When encountering p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/035
CPCC09K8/03C09K8/206C09K8/24C09K2208/28C09K2208/34
Inventor 梅春萍徐恩泉
Owner JIANGXI PINGXIANG ANHUA BIOTECH