plug back meaning

• [Oil and gas]
  To place cement or other material at or near the bottom of a well to exclude bottom water or to perform other operations such as sidetracking or producing from another depth.

• plug:    Noun: plug &n ...
• plug in:    Verb: plug inPlug ...
• plug into:    Verb: plug intoPlu ...

Examples

1. we have to plug back in, reconnect the telephone . then we can talk to hirm, and we can receive the answer
2. His Ninth Symphony is an attempt to put the plug back in.
3. Now suppose you put the plug back in.
4. Having solved for, we can plug back into the equations above to find that
5. We needed to plug back in and make some music that matters to us.