API Spec 19G1

Provides requirements for sidepocket mandrels used in the petroleum and natural gas industry. API 19G1 includes specifying, selecting, designing, manufacturing, quality control, testing, andpreparation for shipping of side-pocket mandrels. This specification does not address nor include requirements for end connections between the side-pocket mandrels and the well conduit. The installation and retrieval of side-pocket mandrels is outside the scope of this part of ISO 17078. Additionally, this Internatinal Standard does not include specifications for center-set mandrels, or mandrels that employ or support tubing-retrievable flow control devices.This specification does not include gas-lift or any other flow-control valves or devices, latches, and/or associated wire line equipment that may or may not be covered in other ISO specifications. The side-pocket mandrels to which this specification refers are independent devices that can accept installation of flow control or other devices down-hole.