Polish Mill Assembly
DESCRIPTION
A-PMA, A-089 – Polish Mill Assembly
The A-PMA is used to clean out the ID of the Tie Back Receptacle, in order to ensure the polished bore receptacle is clean for installing the tie back seal assembly or completion string.
The Polish Mill Assembly consists of a Top Dress Mill, Clean out Mill, those are tungsten carbide coated and ground to dimension and a spacer to match the liner top TBR/PBR length.
FEATURES
- Stop/Top Dress mill delivers positive indication of placement
- Distinct Top Dress mill provides optimum circulation and cutting action
- Self-centralizing with secure components
- Lower tieback mill field dress removes undesired debris from tieback receptacle prior to re-entry
- Adaptable for multiple tieback length configurations
- Adaptable for additional junk mill, jet subs, casing scrapper, lower tieback receptacle configurations and optional pilot mill.
BENEFITS
- Compact rugged constructions
- Removes cement, mud solids, burrs and pipe scale debris from honed bore of PBR
- Prevents tieback seal assembly damage
- Provides indicator of unsuccessful landing
APPLICATIONS
- Polish the tieback receptacle’s bore and ensures re-entry of tie back seal assembly or completion string into liner top
- Run into the hole to clean and de-burr liner top
Available in all required respective sizes of PBR to match the length as well. Furnished with End connections (Standard Drill pipe/Tool joints and premium) to meet customer’s requirements.
