
API SPEC 16A
API SPEC 16A, 4th Edition: Specification for Drill-through Equipment (Previous Edition)
CDN $353.00
This publication was last reviewed and confirmed in 2025.
Specification for Drill-through Equipment
Description
Petroleum and Natural gas industries—Drilling and production equipment—Drill-through equipment. This specification provides requirements for performance, design, materials, testing and inspection, welding, marking, handling, storing and shipping of drill-through equipment used for drilling for oil and gas. It also defines service conditions in terms of pressure, temperature and wellbore fluids for which the equipment will be designed. This specification is applicable to and establishes requirements for the following specific equipment: • ram blowout preventers; • ram blocks, packers and top seals; • annular blowout preventers; • annular packing units; • hydraulic connectors; • drilling spools; • adapters; • loose connections; • clamps. This International Standard does not apply to field use or field testing of drill-through equipment. This edition of API RP 16A is a modified adoption of ISO 13533.
** This version includes Addendum 2 **
Edition
4
Published Date
2025-03-17
Status
Previous Edition
Pages
152
Format 
Secure PDF
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Abstract
Petroleum and Natural gas industries—Drilling and production equipment—Drill-through equipment. This specification provides requirements for performance, design, materials, testing and inspection, welding, marking, handling, storing and shipping of drill-through equipment used for drilling for oil and gas. It also defines service conditions in terms of pressure, temperature and wellbore fluids for which the equipment will be designed. This specification is applicable to and establishes requirements for the following specific equipment: • ram blowout preventers; • ram blocks, packers and top seals; • annular blowout preventers; • annular packing units; • hydraulic connectors; • drilling spools; • adapters; • loose connections; • clamps. This International Standard does not apply to field use or field testing of drill-through equipment. This edition of API RP 16A is a modified adoption of ISO 13533.
** This version includes Addendum 2 **
Previous Editions
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