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Casing Advancer
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| Place of Origin | USA, CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | BQ NQ HQ PQ |
DTH Casing Advancer PHD Rod Box Connection With Tricone Roller Drill Bits
Helps reduce drilling cost by saving rod and casing handling.
Can be used with Rock Bot or TC. Drag Bit.
Long Casing Shoe life as it is always reaming and never drilling alone.
Special flushing ports in the body ensure that the casing bit is adequately flushed.
Uses conventional Right Hand threaded Drill Rods and Casing.
Suitable for Air, Water or Mud Flush.
Manufactured from high quality materials.
Casing Advancer - Technical 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 |
| Conventional Casing to ISO Standard 3551 | |||
| Designation | Casing O.D. | Casing I.D. | Advancer Bit O.D. |
| SW. | 6.625" | 6.000" | 7.800" |
| UW. | 7.625" | 7.000" | 8.800" |
| ZW. | 8.625" | 8.000" | 9.800" |
| Waterwell Casing to BS 879 ( Flush Butt Joints ) | |||
| Designation | Casing O.D. | Casing I.D. | Advancer Bit O.D. |
| 6”NB. | 6.625" | 6.000" | 7.800" |
| 8”NB. | 8.625" | 8.000" | 8.800" |
| 10”NB. | 10.750" | 10.000" | 11.93" |
Key:
1. Standard Casing
2. Rod Entry Guide Sub
3. Body
4. Hi-tensile Drive Pin
5. Seal
6. Advancer Casing Shoe
7. Bit
Casing Advancer Bit and Drill Rod Threads. 2 3/8, 2 7/8, 3 1/2 API. REG.
Other Rod threads maybe incorporated at customers special request.
Casing Advancer to suit Metric Casing (Larger sizes) are also available by request.
Roschen Inc. is constantly striving to improve its products and must therefore, reserve the right to change designs, materials, specifications and price without notice.
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