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High temperature foaming agent

A high-temperature foaming agent and active agent technology, applied in the field of high-temperature foaming agents, can solve the problems of foaming agent foamability and thermal stability, failure to achieve the effect of oil displacement, decline in use performance and other problems, and achieve adsorption The effect of small loss, good foam stability and good corrosion inhibition ability

Active Publication Date: 2011-10-12
SUNCOO PETROLEUM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general, the foaming and thermal stability of the foaming agent are greatly affected by the bottom hole temperature. As the temperature rises, its performance decreases, and the oil displacement effect is often not achieved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high-temperature foaming agent, its components include by mass parts: sodium lauryl sulfate accounts for 10 parts of the total weight, ABS surfactant accounts for 10 parts, AOS accounts for 10 parts, white saponin accounts for 10 parts, self-made Biosurfactant accounts for 5 parts and water accounts for 55 parts.

[0019] Described ABS surfactant is sodium dodecylbenzenesulfonate.

[0020] The AOS is sodium α-alkenyl sulfonate.

[0021] The self-made biosurfactant is composed of 30% fatty acid glyceride, 20% fatty acid sorbitan, 20% polysorbate and 30% stearic acid.

Embodiment 2

[0023] A high-temperature foaming agent, its components include by mass parts: sodium lauryl sulfate accounts for 12 parts of the total weight, ABS surfactant accounts for 15 parts, AOS accounts for 10 parts, white saponin accounts for 15 parts, self-made Biosurfactant accounts for 8 parts and water accounts for 40 parts.

[0024] Described ABS surfactant is sodium dodecylbenzenesulfonate.

[0025] The AOS is sodium α-alkenyl sulfonate.

[0026] The self-made biosurfactant is composed of 30% fatty acid glyceride, 20% fatty acid sorbitan, 20% polysorbate and 30% stearic acid.

Embodiment 3

[0028] A kind of high-temperature foaming agent, its components include by mass ratio: sodium lauryl sulfate accounts for 15 parts of the total weight, ABS surfactant accounts for 15 parts, AOS accounts for 15 parts, white saponin accounts for 15 parts, self-made biological Surfactant accounts for 8 parts, and water accounts for 32 parts.

[0029] Described ABS surfactant is sodium dodecylbenzenesulfonate.

[0030] The AOS is sodium α-alkenyl sulfonate.

[0031] The self-made biosurfactant is composed of 30% fatty acid glyceride, 20% fatty acid sorbitan, 20% polysorbate and 30% stearic acid.

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PUM

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Abstract

The invention relates to a high temperature foaming agent which comprises the following components in parts by weight: 10-15 parts of lauryl sodium sulfate, 10-15 parts of acrylonitrile butadiene styrene (ABS) surfactant, 10-15 parts of alpha-olefin sodium sulfonate (AOS), 10-20 parts of white saponin, 5-10 parts of self-prepared biosurfactant and the balance of water. The foaming agent has the advantages of high thermal stability and strong foaming property.

Description

technical field [0001] The invention relates to a formula for steam foam flooding in oil field development, in particular to a high-temperature foaming agent. Background technique [0002] Steam foam flooding is an important new technology for thermal recovery of heavy oil. Foreign countries began to study it in the late 1950s, and gradually formed a complete system in terms of theoretical research and field experiment technology. The first successful field experiment in the United States test. [0003] Foaming agent is an essential chemical agent in steam flooding. It can be mixed with steam or non-condensable gas and brine to form steam foam. Using this technology can control steam channeling, overcome gravity overriding, reduce viscous fingering, increase steam mobility, adjust steam injection profile, and improve heavy oil recovery. Foaming agents for steam flooding must withstand the high temperature of steam and be resistant to oil and salt, and not many general foa...

Claims

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Application Information

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IPC IPC(8): C09K8/592C09K8/94
Inventor 王俊奇盖海防
Owner SUNCOO PETROLEUM TECH