Operating Instructions—桂林三友金刚石工业有限公司官网

Operating Instructions

SANYOU DIAMOND

01-19

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Chromatography table
01-18

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Abrasive reason of the core bi

1、 Bottom surface became and drilling too slow Reason: the drill bit matrix is too hard. 2、Bottom matrix become cone shape Reason: Drilled into crush rock. 3、Eccentric abrasion
01-18

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Rock drillability grading and rock hardness level table

under certain technical conditions, rooks are graded according to its drillability. Depending on the drilling method, core drilling can divide into 12 grades, details please consult “Rock 12 grade scale “issued in 1958 by Ministry of Geology of China
01-18

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What should I do if I get stuck while drilling?

Reason, characteristics, prevention and treatment of sticking
01-18

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Precautions for using diamond drill bits

I. Preparation of diamond drill bit before drilling
11-28

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Sticking and suction and countermeasures (For technician)

Sticky and suction sticking, also known as differential sticking, is the most common sticking accident during drilling. The most likely to jam are drill collars, which may gradually move up as the drill string loses its freedom of movement
12-25

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Safe technical operation of full casing drilling rod

一 . Before installing the drill, it shall comply with the provisions of "the installation of the drill and the assembly of the drill shall be carried out in accordance with the factory instructions, and the erection or placement of the drill frame shall be carried out by skilled professionals".

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