Water lettuce plant viscosity reductant and producing method

A technology of water lotus and viscosity reducer, which is applied in the direction of chemical instruments and methods, drilling compositions, petroleum industry, etc., can solve the problems of large impact on crude oil quality, high cost, and malignant accidents, and achieve high economic benefits and Social benefits, overcoming various disadvantages, and solving the effect of secondary viscosity reduction

Active Publication Date: 2009-12-16
孙保兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the viscosity reducers used in oilfields are based on emulsifiers, with organic substances such as polyethers as the main body. This kind of viscosity reducer has a great impact on the quality of crude oil. In severe cases, it will make the crude oil unable to break the emulsion and dehydrate. If it is too high, it can directly lead to the occurrence of vicious accidents in the refining process
In addition, the visbreaking effect of this kind of visbreaking agent on crude oil from different origins is quite different, and the cost is extremely high
Viscosifiers with organic matter as the main body have a great impact on the quality of crude oil, the visbreaking effect is not broad-spectrum, and a large amount of use will cause serious environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] At 45°C and normal pressure, in a three-necked flask, add a total weight of 600g water lotus plant fermentation liquid, slowly add surfactant nonylphenol polyoxyethylene ether 200g, polyether silicone 100g, while adding While stirring, keep warm at 40-55°C, and stir for 2 hours until the mixture is evenly mixed. After stirring evenly, an opaque light yellow milky mucus is obtained with a viscosity of 390mpa.s (25°C).

Embodiment 2

[0024] At 50°C and normal pressure, in a three-necked flask, add a total weight of 500g of water plantain plant fermentation liquid, slowly add 230g of surfactant fatty alcohol polyoxyethylene ether, 150g of amino silicone oil liquid, and stir while adding , heat-insulated and stirred for 1 hour until the mixture was evenly mixed, and after uniformly stirred, an opaque light yellow milky mucus was obtained with a viscosity of 320mpa.s (25°C).

Embodiment 3

[0026] At 55°C and normal pressure, in a three-necked flask, add a total weight of 550g of water lotus plant fermentation liquid, slowly add 180g of surfactant alkylbenzenesulfonate, 50g of methyl silicone oil, and stir while adding , heat-insulated and stirred for 2 hours until the mixture was evenly mixed, and after uniformly stirred, an opaque light yellow milky mucus was obtained with a viscosity of 450mpa.s (25°C).

[0027] When using the above-mentioned viscosifier, it needs to be made into an aqueous solution containing the viscosifier at a concentration of 0.5-1.5% by weight.

[0028] Mix the viscosity reducer aqueous solution and crude oil at a ratio of 2:8-1:9, keep the temperature at 40-55°C for 2 hours, and stir properly, then the heavy oil will become a low-viscosity oil-in-water emulsion.

[0029] Practical example:

[0030] example 1. Add 25g of an aqueous solution of 1.0% viscosity reducer to 100g of crude oil (viscosity 1.0×10 5 mpa.s) at a constant tempera...

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Abstract

The water lettuce plant viscosity reducer and production method of the present invention belong to the petroleum field. The water lettuce plant viscosity reducer contains the following components, and the weight percentages of each component are as follows: biochemical water lettuce plant fermentation liquid 20-65%, surface Active agent 5-25%, liquid silicone 2-15%, mixed for emulsification treatment, the present invention has a good visbreaking effect on petroleum crude oil and stable performance, and the visbroken crude oil basically does not occur during transportation and storage. The solidification phenomenon solves the problem of secondary visbreaking and multiple dehydration before oil refining, and reduces the cost of oil refining. At the same time, because the present invention adopts the mechanism of biological visbreaking, it avoids the large use of organic matter and overcomes the problems caused by the use of organic matter. It has high economic and social benefits.

Description

technical field [0001] The viscosity reducer and production method of the water lettuce plant of the present invention belong to the field of petroleum, in particular, it is used for reducing the viscosity of crude oil with water lettuce plant effect liquid, which can effectively reduce the A viscosifying agent for water lettuce plants with crude oil viscosity and a production method thereof. Background technique [0002] Petroleum crude oil mostly exists in the formation in the form of heavy oil, high viscosity heavy oil is more than 200,000 CP, and low viscosity heavy oil is generally between 10,000 CP. Because the technical conditions of oil production require that the viscosity of petroleum crude oil should be below 5000CP, people must add a large amount of viscosity reducer to crude oil to reduce the viscosity. At present, most of the viscosity reducers used in oilfields are based on emulsifiers, with organic substances such as polyethers as the main body. This kind of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/52F17D1/17C10G29/20
CPCY02E60/34
Inventor 孙保兴
Owner 孙保兴
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