ISO 16070:2005 provides the requirements for lock mandrels and landing nipples within the production/injection conduit for the installation of flow control or other equipment used in the petroleum and natural gas industries. ISO 16070:2005 includes the interface connections to the flow control or other equipment, but does not cover the connections to the well conduit.
BS EN ISO 16070:2006 history
2006BS EN ISO 16070:2006 Petroleum and natural gas industries - Downhole equipment - Lock mandrels and landing nipples
2006BS EN ISO 16070:2005 Petroleum and natural gas industries. Downhole equipment. Lock mandrels and landing nipples