HWT PWT Casing Advance Drilling

Rock Tools Internal Casing Cutter

Description:

 1. ROSCHEN provides a full line of wireline casing advancers for soil sampling and overburden

coring in conjunction with casing. These can also be used for casing through difficult overburden

or formations.

 2. Provides a positive latch for a one-step method of drilling through overburden and casing off to bed rock.

ROSCHEN can supply Wireline Casing Advancer:

 BW/NWL Casing Advancer

 NW/HWL Casing Advancer

 HW/HWT Casing Advancer

 PW/PWT Casing Advancer

 SW/SWT Casing Advancer

 UW/UWT Casing Advancer

 ZW/ZWT Casing Advancer

Functions:

 1. Cases borehole as borehole advances.

 2. Helps reduce drilling cost by saving rod and casing handling.

 3. Can be used with Rock Bot or TC. Drag Bit.

 4. Long Casing Shoe life as it is always reaming and never drilling alone.

 5. Special flushing ports in the body ensure that the casing bit is adequately flushed.

 6. Uses conventional Right Hand threaded Drill Rods and Casing.

 7. Suitable for Air, Water or Mud Flush.

 8. Manufactured from high quality materials.

Available specifications:
 

Features:

1. Three main components include driver, inner assembly, and inner assembly loading sleeve.

2. Positive latching provides an efficient one-step method of drilling through overburden and casing off to bedrock.

3. Rapid and easy removal and replacement.

4. Spearhead point is compatible with NQ overshot for lowering and retrieval.

5. Driver supplied with NW casing box connection.

Applications:

• Soil sampling and overburden coring in conjunction with casing.

• Casing through difficult overburden or formations.