案例分享 Workstring filter enables source retrieval from stuck BHA
MUDGARD workstring filter’s central bypass enabled CT access for source retrieval during stuck-pipe incident.
Debris Recovery Tools
Reliable and efficient mechanical and magnetic tools
Recover debris that cannot be circulated out of the well
This line of specialized tools is designed to recover debris that cannot be circulated out of the well, either mechanically or magnetically. Usually, these tools are run as part of the main wellbore cleaning string. They can also be used in upper well cleaning or as "catching" devices during packer or whipstock retrieval.
Helpful links
About SLB