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Anti-high temperature foaming agent and its preparation method and application

A foaming agent, high temperature resistant technology, applied in chemical instruments and methods, earthwork drilling, wellbore/well components, etc., can solve problems such as loss of foaming ability, and achieve the effect of simple preparation method and wide source.

Active Publication Date: 2020-08-21
新疆贝肯化学有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a high-temperature-resistant foaming agent and its preparation method and application, which overcomes the shortcomings of the above-mentioned prior art, and can effectively solve the problem that existing conventional commercial foaming will lose foaming ability at high temperatures (about 200°C) The problem

Method used

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  • Anti-high temperature foaming agent and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: The anti-high temperature foaming agent, the raw materials are composed of sodium petroleum sulfonate, chelating agent and synergist, the mass parts of each component are 60% to 70% of sodium petroleum sulfonate and 15% to 20% of chelating agent , Synergist 15% to 20%.

Embodiment 2

[0021] Example 2: The anti-high temperature foaming agent, the raw materials are composed of sodium petroleum sulfonate, chelating agent and synergist, the mass parts of each component are 60% or 70% of petroleum sodium sulfonate, and 15% or 20% of chelating agent , Synergist 15% or 20%.

Embodiment 3

[0022] Example 3: As an optimization of the above example, the chelating agent is sodium polyphosphate, and the synergist is sodium lauryl sulfate.

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PUM

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Abstract

The invention relates to the technical field of high-temperature-resistant foaming agents for petroleum exploration, in particular to a high-temperature-resistant foaming agent as well as a preparation method and application thereof. The high-temperature-resistant foaming agent comprises the following raw materials in percentage by mass: 60-70% of petroleum sodium sulfonate, 15-20% of a chelatingagent and 15-20% of a synergist. The high-temperature-resistant foaming agent provided by the invention has the main characteristics of being capable of resisting a high temperature of 300 DEG C, andeffectively solving the problem that a conventional commercial foaming agent loses foaming capacity at a high temperature (about 200 DEG C). The foaming agent provided by the invention has the advantages of wide source of raw materials, simple preparation method, no production of by-products and no environmental pollution.

Description

Technical field [0001] The invention relates to the technical field of a high-temperature resistant foaming agent for petroleum exploration and exploitation, and is a high-temperature resistant foaming agent and a preparation method and application thereof. Background technique [0002] In petroleum exploration, foam drilling fluid will be used for drilling. The purpose is to achieve near-balanced drilling, leak prevention, and increase ROP. In petroleum exploration, foam fluid will also be used for well flushing, profile control and water shutoff, oil displacement, etc. The purpose is Improve crude oil recovery. Generally, the highest temperature used for foam drilling fluid and foam fluid is the highest downhole temperature for drilling and mining operations, generally not exceeding 150°C. Most conventional commercial foaming agents can meet the requirements. [0003] Heavy oil and heavy oil are exploited in Xinjiang, Liaohe, Shengli and other oil fields. At present, they are ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/58C09K8/584C09K8/38C09K8/594E21B43/24E21B43/22E21B21/14
CPCC09K8/38C09K8/58C09K8/584C09K8/594E21B21/14E21B43/16E21B43/24
Inventor 李春伟叶诗均赵秀峰李青山段志明侯艳英
Owner 新疆贝肯化学有限公司