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Low temperature fuzzy-ball working fluid nucleating agent

A technology of working fluid and nucleating agent, applied in the directions of drilling compositions, chemical instruments and methods, can solve the problems of large amount of foaming, affecting the formation of chorionic vesicles, poor foaming ability, etc. stable effect

Inactive Publication Date: 2014-10-22
BEIJING LIHUILAB ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anionic foaming agent has strong foaming ability, but poor resistance to salt and calcium
Moreover, the large amount of foaming affects the suction and circulation of the working fluid pump; the non-ionic foaming agent has strong salt and calcium resistance, but poor foaming ability, which affects the formation of the follicle nucleus

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] Performance test of low temperature vesicle working fluid sac core agent:

[0028] 1 pH

[0029] The mixed solution formed after the four components of the vesicle working liquid sac core agent are evenly mixed is the finished velvet sac working liquid sac core agent. Dip a glass rod to take a sample of the vesicle working liquid sac core agent, drop it on a wide range of pH test paper, and measure the pH value, accurate to the single digit.

[0030] 2 density

[0031] At room temperature, the measuring range is 0.8~2.0 g / cm 3 A liquid density meter weighs the density value of the capsule core agent.

[0032] 3 Freshwater foam quality and foam half-life of velvet treatment agent

[0033] 3.1 Foam quality of velvet treatment agent

[0034] 3.1.1 Preparation of Foam Fluid Equipment

[0035] High-speed variable-frequency stepless speed-regulating agitator, rotating speed 0-12000 r / min.

[0036] 3.1.2 Test the foam quality of the follicle treatment agent Base liquid ...

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PUM

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Abstract

The invention relates to a coal bed gas low temperature freshwater fuzzy-ball working fluid nucleating agent. The fuzzy-ball working fluid nucleating agent is prepared by using sodium dodecanesulphonate, octylphenol polyoxyethylene ether, dodecyldimethylamine oxide and triethanolamine lauryl sulfate. The fuzzy-ball working fluid nucleating agent is mainly used for forming a fuzzy ball nucleus in a fuzzy-ball working fluid system, has the characteristics of small dosage and large fuzzy ball nucleus strength, can effectively adjust the density of a fuzzy ball working fluid, has strong salt and calcium resistance, has good compatibleness with treatment agents for general working fluids, is suitable for the temperature environment with the temperature of 120DEG C or less, and is a low temperature fuzzy-ball working fluid nucleating agent.

Description

technical field [0001] The invention relates to a vesicle treating agent for a vesicle working liquid, in particular to a vesicle treating agent for a low-temperature vesicle working liquid suitable for a temperature environment of 120° C. or lower. [0002] Background technique [0003] Working fluids (working fluids) for oil and gas wells usually include working fluids, completion fluids, workover fluids, etc. [0004] At present, most oilfields use plugging technology to improve the pressure bearing capacity of the formation, and complete the drilling, completion and workover operations in the leakage formation. Plugging technology includes plugging materials and plugging theory. [0005] Traditional plugging materials include rubber, cement, fiber, plastic, polymer, inorganic gel, oil-soluble resin, asphalt, viscous resin, acid-soluble plugging material, micronized powder fiber, etc. However, among these materials, the size and shape of some materials do not match the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/42
CPCC09K8/426
Inventor 郑力会
Owner BEIJING LIHUILAB ENERGY TECH
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