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Efficient active supramolecular fracturing fluid

A supramolecular and fracturing fluid technology, applied in the directions of dissolving, mixing machine, drilling composition, etc., can solve the problems of reducing the quality of fracturing fluid, poor uniformity of fracturing fluid, low stirring efficiency, etc., to improve the stability performance. , Controllable and adjustable viscosity, low cost effect

Inactive Publication Date: 2019-05-03
BEIJING DADE GUANGYUAN PETROLEUM TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Due to the high viscosity of the supramolecular fracturing fluid, it often takes a long time in the preparation process. The conventional fracturing fluid configuration tank consumes high energy consumption in order to fully stir, and the stirring efficiency of the conventional stirring mechanism is low. , the uniformity of the prepared fracturing fluid is poor, thereby reducing the quality of the fracturing fluid

Method used

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  • Efficient active supramolecular fracturing fluid
  • Efficient active supramolecular fracturing fluid
  • Efficient active supramolecular fracturing fluid

Examples

Experimental program
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Effect test

Embodiment 1

[0054] The invention provides a high-efficiency active supramolecular fracturing fluid, which comprises the following raw materials in parts by weight: 0.05 parts by weight of an activator, 0.1 parts by weight of an antiswelling agent, 0.1 parts by weight of a synergist, and 0.01 parts by weight of a disinfectant Foaming agent, 0.01 parts by weight of bactericide, 0.01 parts by weight of thickener, 0.02 parts by weight of oyster hydrolyzate, 0.01 parts of animal mucus and 98 parts by weight of water;

[0055] Wherein, the activator is a triad cationic viscoelastic surfactant as shown in formula (I);

[0056]

[0057] The anti-swelling agent is a mixture formed by mixing quaternary ammonium salt and ammonium chloride according to a weight ratio of 1:1;

[0058] The synergist is a polyether surfactant;

[0059] The defoaming agent is a mixture formed by mixing polyoxyethylene polyoxypropanolamine ether, polyoxypropylene polyoxyethylene glyceryl ether and polydimethylsiloxane...

Embodiment 2

[0068] The invention provides a high-efficiency active supramolecular fracturing fluid, which comprises the following raw materials in parts by weight: 0.3 parts by weight of an activator, 0.3 parts by weight of an antiswelling agent, 0.3 parts by weight of a synergist, and 0.02 parts by weight of a disinfectant Foaming agent, 0.02 parts by weight of bactericide, 0.05 parts by weight of thickener, 0.05 parts by weight of oyster hydrolyzate, 0.03 parts of animal mucus and 98 parts by weight of water;

[0069] Wherein, the activator is a triad cationic viscoelastic surfactant as shown in formula (I);

[0070]

[0071] Described anti-swelling agent is ammonium chloride;

[0072] The synergist is a polyoxyethylene ether surfactant;

[0073] The defoamer is a mixture formed by mixing polyoxyethylene polyoxypropylene pentaerythritol ether and polyoxypropylene glyceryl ether in a weight ratio of 1:1;

[0074] The bactericide is cetyltrimethylammonium chloride and octadecyltrimet...

Embodiment 3

[0082] The invention provides a high-efficiency active supramolecular fracturing fluid, which comprises the following raw materials in parts by weight: 0.175 parts by weight of an activator, 0.2 parts by weight of an antiswelling agent, 0.2 parts by weight of a synergist, and 0.015 parts by weight of a Foaming agent, 0.015 parts by weight of bactericide, 0.03 parts by weight of thickener, 0.04 parts by weight of oyster hydrolyzate, 0.02 parts of animal mucus and 98 parts by weight of water;

[0083] Wherein, the activator is a triad cationic viscoelastic surfactant as shown in formula (I);

[0084]

[0085] The anti-swelling agent is a mixture formed by mixing potassium chloride and quaternary ammonium salt according to a weight ratio of 1:1;

[0086] The synergist is a fluorocarbon surfactant;

[0087] The defoaming agent is polydimethylsiloxane;

[0088] The bactericide is cetyltrimethylammonium chloride and octadecyltrimethylammonium bromide in a weight ratio of 1:1; ...

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Abstract

The invention discloses an efficient active supramolecular fracturing fluid which comprises the following raw materials in parts by weight: 0.05-0.3 part by weight of an activating agent, 0.1-0.3 partof an anti-swelling agent, 0.1-0.3 part of a synergist, 0.01-0.02 part of a defoaming agent, 0.01-0.02 part of a bactericide, 0.01-0.05 part of a thickening agent, 0.02-0.05 part of oyster enzymatichydrolysate, 0.01-0.03 part of animal mucus and 98 parts of water. According to the invention, the efficient active supramolecular fracturing fluid is a colorless transparent non-cross-linked viscousliquid, and a surfactant is adopted as an active substance, so that the viscosity of the fracturing fluid can be adjusted and controlled, and the drag reduction performance is high and stable, the sand-carrying performance is good, the high-efficiency anti-swelling and emission-aiding synergistic functions are achieved, and the fracturing fluid provided by the invention is green and environment-friendly; after being pressed, a flowback liquid can be reused.

Description

technical field [0001] The invention relates to the technical field of oilfield exploitation. More specifically, the present invention relates to a high-efficiency active supramolecular fracturing fluid and a preparation method thereof. Background technique [0002] The chemistry of molecular aggregates formed by the interaction of supramolecular chemical reagents with intermolecular non-covalent bonds. Supramolecular chemistry mainly studies the new materials or systems with reversible structure and high performance characteristics generated by non-chemical bond interactions between molecules, such as hydrogen bonds, coordination bonds, hydrophobic association effects and synergistic effects between them. Supramolecular polymer is a new direction formed by the intersection and integration of supramolecular chemistry and polymer chemistry. [0003] The thickener is used in the solution to form a reversible multi-component association between strong molecular chains to form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/68C09K8/90B01F7/18B01F11/00
Inventor 刘亚东王炳刚孙晓东王良超
Owner BEIJING DADE GUANGYUAN PETROLEUM TECH SERVICE
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