截齿筒钻

截齿筒钻

钻具特点：

筒体环切释放岩石围压；

截齿阶跃破碎兼研磨钻进 ;

小钻具取芯率高，大钻具分级配合破碎 ;

适用地层：回填层、中风化岩层，基岩层；

型谱表：

备注：所有度量单位为毫米（mm）；重量单位为千克（kg）。

切削直径定制：根据客户需求设计切削直径，如φ950、φ1050 等，配合套管施工使用居多 ;

筒体高度定制：根据客户需求设计筒体高度，如加高至 1500,2000, 增加单次钻进量，提高施工效率 ;

关重结构加强定制：根据客户需求加强各个部位参数，如壁厚加厚，底板加厚等 ;

方头尺寸定制：根据客户钻杆方头定制钻具方头尺寸，通常为 130×130、150×150、200×200 等；

钻齿数目定制：根据客户需求对钻齿进行加密布置；

Core Barrel with Bullet TeethFeature:

Feature:

Cutting ring with rock drilling bits and releases the internal stress of rock；

Rock drilling bits perform stage breaking and drilling ;

Small barrel facilitates the coring operation; large barrel performs stage breaking;

Applicable layers: backfill layer，medium weathered rock, bedrock；

Model List

Remark : All measurements are in milimeters, weight in kilograms.

Customizable Items:

Cutting DIA. Custom : design various cutting diameter based on demand, like φ950、φ1050 etc.

Shell HIT. Custom : design as demand, prolong or shortten, increase of efficiency by drilling more.

Key Component Reinforce Custom : strengthen the key component to extend life cycle;

Kelly Box Custom : custom kelly box size based on the kelly bar, like 130*130, 150*150,200*200 etc;

Teeth No. Custom : encrypt the drilling teeth based on demand etc;

应用示例Application