| http://www.w3.org/ns/prov#value | - In operation, when the well casing 20 is clear of all pumping, data collecting or other working or instrumentation fixtures, the entire shoe assembly 5 is threaded into the down-hole end of the upset tubing 52 or any other means by which to transport the entire assembly 5 to the desired depth within the well casing 20.
|
