Slide Block Casing System

Hardening treatment of the part’s surface with longer operating life and excellent anti-wear properties.
Structural Optimization, improving the structural strength and ease of operation
Superior Performance, high drilling speed with stable and reliable performance

Description

Slide Block Casing system

Slide Block Casing System/Casing shoe for well drilling

Working principle:

1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.

2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in, allowing the drill bit assembly to be pulled up through the casing.

3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hoe by means of cement grout or some other sealing agent.

4. Drilling continues to the desired depth in the bedrock using a conventional drilling tools.

Application Range

It is suitble for drilling water wells, geothermal wells, short mircopiles, medium mini-type grouting hole of building, damand harbour project.

Model	(mm) Casing OD	(mm)Maximum OD of Center Bit	(mm) Casing Shoe ID	Maximum OD of Reaming	(inch) Hammer Type
146slide Block Casing	φ146	φ123	φ115	φ156	4
168slide Block Casing	φ168	φ146	φ140	φ185	5
178slide Block Casing	φ178	φ156	φ150	φ193	5
183slide Block Casing	φ183	φ160	φ154	φ193	5
194slide Block Casing	φ194	φ178	φ166	φ211	6
219slide Block Casing	φ219	φ203	φ193	φ237	6~7
245slide Block Casing	φ245	φ220	φ210	φ260	6~8
273slide Block Casing	φ273	φ251	φ241	φ308	8
325slide Block Casing	φ325	φ298	φ281	φ378	8~10
377slide Block Casing	φ377	φ350	φ335	φ430	10~12
406slide Block Casing	φ406	φ380	φ363	φ426	12
560slide Block Casing	φ560	φ530	φ511	φ590	18
610Slide Block Casing	φ610	φ582	φ556	φ640	18

Service

The technical support team may provide remote or on-site support to resolve issues encountered by users during use.
Provide original spare parts to ensure timely replacement of worn or damaged parts to maintain the normal operation of DTH bits.
Timely information reply throughout the day, the first time to solve your problems.