反循环钻头实验器研制

Development of experimental apparatus about reverse circulation bit

摘要: 介绍了一种新研制的反循环钻头实验器,旨在深入研究新型反循环钻头形成的反循环机理,以及钻头结构对取心和携粉能力的影响。叙述了这一实验器的主要结构和实验研究成果。

Abstract: A set of experimental apparatus on reverse circulation bit are developed in order to lucubrate the mechanism of the new type reverse circulation bits,and the structure of the bits that influece the ability of taking core and carrying powder.Both the major structure of the equipment and the procession of experiment are described.