Recommended Practice 19G4 provides informative documentation to assist the user/purchaser and the supplier/manufacturer in specification, design, selection, testing, calibration, reconditioning, installation and use of side-pocket mandrels, flow-control devices and associated latches and installation tools. The product-design and manufacturing-related requirements for these products are included within the other parts of ISO 17078.
The content and coverage of several industry documents are compiled and refined within RP 19G4 (all parts).
Recommended Practice 19G4 is the identical national adoption of ISO 17078-4:2009 (Identical), Petroleum and natural gas industries-Drilling and production equipment, Part 4-Practices for side-pocket mandrels and related equipment.