Symmetric Casing System With Slide Blocks

When drilling in unstable ground overburden. Drills the hole and drives the casing at the same time ensuring the hole does not collapse. Saves time as casing is run at the same time as the hole is drilled.

Slide Blocks Casing System Components: pilot bit, locking system, blocks.

Operation Procedure

1.when the drilling starts, the wings swing out by pressure from drilling string string ensure reaming with casing tube and drilling string move doen together.

2.when the required depth us reached, lift up drilling string reamer blocks in, and pull up reamer system through the casing tube.

3. Lifting up casing tubes and grouting in the botton of hole with some other cement material.

4. To continue drilling with conventional drilling tools in the bedrock.

Following is regular model of DrillMore's Slide Blocks Casing System:

Advantages:

1. Nothing left in the holes.

2. No reverse rotation needed! Bit wings retract inside the casing eliminating unscrewing problems.

3. Faster penetration rates — large bit face area for transferring blow energy.

4. Rapid penetration/minimum drilling time — bit used at full operating pressure of hammer.

5. Simultaneously drill and case — wings extend further than OD when bit reaches bottom.

How to place order?

1. Out diameter and inner diameter.

2. Reamed diameter.

3. Inner diameter of casing shoe.

4. Hammer type.

DrillMore Rock Tools 

DrillMore is dedicated to the success of our customers by suppling drilling bits to each application. We offers our customers in the drilling industry many options, if you do not find the bit you are looking for please contact our sales team at following to find the correct bit for your application.

Head Office: XINHUAXI ROAD 999, LUSONG DISTRICT, ZHUZHOU HUNAN CHINA

Telephone: +86 199 7332 5015

WhatsApp: https://wa.me/8619973325015

Email: [email protected]

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