Tubing and Casing Connections
This article descirbes the Tubing and Casing Connections Functional and Operational requirements.
- strength -sealing properties, -resistance to damage, corrosion or erosion.
-easy to make-up and break-out in the field (e.g. handling, stabbing, testing, etc); -reusable;
For low pressure wells API 8RD thread connections have been the standard in the tubing strings. Non upset has proved more effective than upset (EUE) 8 RD tubing.
Connections provided with metal-to-metal seals are commonly referred to as Premium connections.