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Synthesis method of erucylamidopropyl dimethylamine (diethylamine)

A technology of erucamidopropyl dimethyl and erucamidopropyl dimethyl, which is applied in the synthesis field of erucamidopropyl dimethylamine, can solve problems such as difficulty, formation damage flowback and the like, and achieves less equipment. , Simple operation, easy on-site preparation effect

Inactive Publication Date: 2016-05-11
SHAANXI JUJIEHAN CHEM CO LTD
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Problems solved by technology

Among them, the fluid loss control system developed by SchlumbergerDowell Company is about 50% higher than the conventional gelled acid fluid loss control system, but because the system uses polymers, the retention of polymer residues in the formation will cause certain damage to the formation and difficult flowback

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  • Synthesis method of erucylamidopropyl dimethylamine (diethylamine)
  • Synthesis method of erucylamidopropyl dimethylamine (diethylamine)

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Embodiment Construction

[0007] The present invention proposes a synthetic method of clean fracturing erucamide propyl dimethyl (ethyl) amine, which includes the following raw materials: erucic acid, purity 90% (W), Bailingwei Technology Co., Ltd.; N,N-dimethyl Aminopropylamine, N,N-Ethylaminopropylamine, purity 90% (W), Shanghai Jingchun Biochemical Technology Co., Ltd.; 3-bromo-1-propanol, purity 95% (W), Shaoyuan (Shanghai) Chemical Technology Co., Ltd. Co., Ltd.; potassium hydroxide, analytically pure, Sinopharm Chemical Reagent Co., Ltd.; Nicolet6700 Fourier transform infrared spectrometer, Thermo Fisher Scientific China; RS6000 Haake rotational rheometer, QuadrupleLC / MS6120 liquid mass spectrometry Chromatograph, Agilent Technologies. It includes the following steps: (1) add erucic acid and N,N-dimethylaminopropylamine (or N,N-ethylaminopropylamine) into a three-necked flask with a reflux condenser and a stirring device, (2) add erucic acid and N,N-dimethylaminopropylamine (or N,N-ethylaminoprop...

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Abstract

The invention relates to a synthesis method of erucylamidopropyl dimethylamine (diethylamine). The synthesis method of the erucylamidopropyl dimethylamine (diethylamine) includes the steps of firstly, adding erucic acid and N,N-dimethylaminopropylamine (or N,N-ethylaminopropylamine) into a three-necked bottle with a reflux condensing tube and a stirring device; secondly, adding potassium hydroxide under the protection of argon gas and reacting at the temperature of 160 DEG C for 12 hours; thirdly, after reaction is completed, performing rotary evaporation to remove unreacted N,N-dimethylaminopropylamine (or N,N-ethylaminopropylamine) so as to obtain the erucylamidopropyl dimethylamine (diethylamine). The synthesis method of the erucylamidopropyl dimethylamine (diethylamine) has the advantages of simplicity in operation, easiness in field compounding and few required equipment.

Description

technical field [0001] The invention relates to the synthesis of erucamide propyl dimethyl (ethyl) amine. Background technique [0002] Acidizing and acid fracturing of oil and gas wells are the main measures to increase production of oil and gas fields. Currently commonly used acid systems mainly include: gelling acid, emulsifying acid, active acid, foaming acid and fluid loss control acid. Among them, the fluid loss control system developed by SchlumbergerDowell Company is about 50% higher than the conventional gelled acid fluid loss control system, but because the system uses polymers, the retention of polymer residues in the formation will cause certain damage to the formation And flowback is difficult. Since the 1990s, foreign countries have successfully used viscoelastic surfactant (VES) technology in fracturing fluid technology, and the main thickening component of a representative VES fracturing fluid product is N-Laoercai Base-N,N-hydroxyethyl-N-methylammonium ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C233/36C07C231/02
Inventor 李长英
Owner SHAANXI JUJIEHAN CHEM CO LTD
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