HWT PWT Casing Advancer Drilling
Product Description
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:
Casing Advancer / Wireline Casing Advancer | |
Specifications | |
BQ | AW/AWL |
HQ | BW/NWL |
NQ | NW/HWL |
PQ | HW/HWT |
BW | PW/PWT |
HWT | SW/SWT |
NW | UW/UWT |
PWT | ZW/ZWT |
Features:
Three main components include driver, inner assembly, and inner assembly loading sleeve.
Positive latching provides an efficient one-step method of drilling through overburden and casing off to bedrock.
Rapid and easy removal and replacement.
Spearhead point is compatible with NQ overshot for lowering and retrieval.
Driver supplied with NW casing box connection.
Applications:
• Soil sampling and overburden coring in conjunction with casing.
• Casing through difficult overburden or formations.