API Spec 16A-1997 Specification for Drill Through Equipment

67 стр.
American Petroleum Institute, Second Edition, December, 1997
This specification is formulated to provide for the availability of safe and functionally interchangeable drill through equipment utilized for drilling for oil and gas.
Technical content provides requirements for performance, design, materials, tests and inspection, welding, marking, handling, storing, and shipping. This specification does not apply to field use or field testing of drill through equipment.
Critical components are those parts having requirements specified in this document.