Fishing with Junk Retrievers
The following 2 types of Junk retrievers are discussed in this article: Coring Type Basket and Reverse Circulation Junk Basket or Jet Retriever.
Coring Type Basket
The coring type basket cuts a short core. As the core is being cut, junk is forced into the barrel of the tool.
The following procedure shall be used:
1. Tag bottom using maximum pump volume and ensure that all fill has been washed away.2. Pull back off bottom, reduce the pump rate, and start slow rotation (about 20 rpm).3. Lower . . .