Test device and method for torsional strength and shear strain of sand particle nano gel cementing area

The invention discloses a test device and method for torsional strength and shear strain of a sand particle nano gel cementing area. The test device comprises a torque applying device, a cementing area forming device, a particle image speed-measuring device and a data acquisition and control system....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG LIYOU, WANG XIN, CHENG ZEHAI, DENG CHENYAN, JIN WEIFENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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