SL压裂液的抗热降解和剪切降解的能力强于HPG压裂液，且具有很好的流动性。

VES-SL system is superior to HPG fracturing fluid in anti-degradation and shearing strength, and has better mobility.

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VES-SL压裂液的抗热降解和剪切降解的能力强于HPG压裂液，且具有很好的流动性。

VES-SL system is superior to HPG fracturing fluid in anti- degradation and shearing strength, and has better mobility.

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初步研究了抗剪切降解型分子缔合减阻剂，通过分子缔合减阻剂多次的减阻测试，发现缔合减阻剂在抗剪切降解性方面有较大提高。

Drag reducing agent through molecular associations have high shear stability in turbulent flow was studied and found its shear stability in turbulent flow has been improved greatly.

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