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Antifreezing foam scrubbing agent and its preparation technology

A preparation process and technology of foam discharge agent, applied in the direction of drilling composition, chemical instruments and methods, etc., can solve problems such as easy to burst, foam instability, speed up the liquid drainage speed of foam discharge agent foam surface, etc., to achieve foaming The effect is good, the foaming effect is excellent, and the effect of reducing the filling cost

Active Publication Date: 2012-09-12
成都孚吉科技有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, methanol is a low-molecular-weight substance with a strong diffusion ability, and its presence will accelerate the liquid discharge speed of the foam surface of the foam discharge agent, making the foam produced by the foam discharge agent extremely unstable and easy to burst

Method used

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  • Antifreezing foam scrubbing agent and its preparation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0101] The antifreeze foaming agent is made up of the following raw materials in parts by weight:

[0102] Sapindus saponin 50;

[0103] Polyethylene glycol 20;

[0104] Triethanolamine 5;

[0105] Glycerin 10;

[0106] Ethylene glycol 10;

[0107] water 5.

[0108] The preparation technology of antifreeze foaming agent comprises the following steps:

[0109] (1) take the raw materials of above-mentioned parts by weight respectively for subsequent use;

[0110] (2) Add the Sapindus saponin and water weighed in the step (1) into the mixing tank, and heat to 40°C;

[0111] (3) Add the polyethylene glycol, glycerin, triethanolamine and ethylene glycol weighed in the step (1) into the mixing tank successively, keep the temperature constant and stir until all the materials are dissolved;

[0112] (4) Release all the dissolved materials and pack them to obtain the finished product.

Embodiment 2

[0114] The antifreeze foaming agent is made up of the following raw materials in parts by weight:

[0115] Sapindus saponin 40;

[0116] Polyethylene glycol 30;

[0117] Triethanolamine 8;

[0118] Glycerin 15;

[0119] Ethylene glycol 5;

[0120] water 2.

[0121] The preparation technology of antifreeze foaming agent comprises the following steps:

[0122] (1) take the raw materials of above-mentioned parts by weight respectively for subsequent use;

[0123] (2) Add the Sapindus saponin and water weighed in the step (1) into the mixing tank, and heat to 30°C;

[0124] (3) Add the polyethylene glycol, glycerin, triethanolamine and ethylene glycol weighed in the step (1) into the mixing tank successively, keep the temperature constant and stir until all the materials are dissolved;

[0125] (4) Release all the dissolved materials and pack them to obtain the finished product.

Embodiment 3

[0127] The antifreeze foaming agent is made up of the following raw materials in parts by weight:

[0128] Sapindus saponin 60;

[0129] polyethylene glycol 10;

[0130] Triethanolamine 2;

[0131] glycerol 5;

[0132] Ethylene glycol 15;

[0133] water8.

[0134] The preparation technology of antifreeze foaming agent comprises the following steps:

[0135] (1) take the raw materials of above-mentioned parts by weight respectively for subsequent use;

[0136] (2) Add the Sapindus saponin and water weighed in the step (1) into the mixing tank, and heat to 40°C;

[0137] (3) Add the polyethylene glycol, glycerin, triethanolamine and ethylene glycol weighed in the step (1) into the mixing tank successively, keep the temperature constant and stir until all the materials are dissolved;

[0138] (4) Release all the dissolved materials and pack them to obtain the finished product.

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Abstract

The invention discloses an antifreezing foam scrubbing agent, which is composed of the following raw materials of: by weight, 40-60 parts of Sapindus mukorossi saponin, 10-30 parts of polyethylene glycol, 2-8 parts of triethanolamine, 5-15 parts of glycerin, 5-15 parts of glycol and 2-8 parts of water. The invention has the following beneficial effects: the antifreezing foam scrubbing agent has an excellent foaming effect, can satisfy technological requirements on drainage gas recovery, can adapt to a low-temperature environment and has anti-freezing performance; its foaming effect is not influenced by low temperature; in comparison with the prior art, under the condition of low temperature, the charging cost of the foam scrubbing agent is reduced and the charging technology is simplified; in addition, the foam scrubbing agent provided by the invention is charged by direct charging without the addition of auxiliary agents such as methanol and the like, the foaming effect of the foam scrubbing agent is better, and the technical problem that a foam scrubbing agent is difficult to charge in a low-temperature environment is solved.

Description

technical field [0001] The invention relates to a chemical auxiliary agent for drainage and gas recovery in the field of oil and gas fields, in particular to an antifreeze foam drainage agent and a preparation process thereof. Background technique [0002] In the middle and late stages of natural gas well production, due to the decline in the formation energy of the gas well itself, formation water also enters the wellbore along with the natural gas, and accumulates at the bottom of the well or near the bottom of the well, resulting in a decline in the gas production of the gas well or the gas well being drowned by water. At present, in order to solve the problem that the production of gas wells is affected by formation water, the method adopted is to inject foam drainage agent into water-bearing gas wells, and after the formation water contacts the foam drainage agent, a large amount of low-density water-containing foam is generated by the agitation of natural gas flow. Foa...

Claims

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Application Information

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IPC IPC(8): C09K8/12
Inventor 张小军许吉瑞邓创国戚杰刘伟郑俊枥
Owner 成都孚吉科技有限责任公司
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