Specification for Drill-through Equipment
STANDARD published on 1.5.2018
Why Redline?
A PDF redline is a quick and easy way to compare all of the changes between the current, active standard and the previous version.
With a redline you'll immediately see:
Save Time and Trouble!
With a Redline you no longer have to spend time trying to determine what has changed in the new standard! Redlines save you time and ensure you see what the changes are to the standard.
Price
When you select the "Active + Redline" option you get both documents! Best of all, the cost of an Active + Redline is only slightly more than buying the Active Standard by itself.
Designation standards: API SPEC 16A-ed.4
Publication date standards: 1.5.2018
The number of pages: 165
Approximate weight : 526 g (1.16 lbs)
Country: American technical standard
API SPEC 16A, 4th Edition, April 2017 - Specification for Drill-through Equipment
This specification defines the 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 is designed.
This specification is applicable to and establishes requirements for the following specific equipment:
a) ram blowout preventers;
b) ram blocks, packers, and top seals;
c) annular blowout preventers;
d) annular packing units;
e) hydraulic wellbore connectors (wellhead, riser, or LMRP);
f) drilling spools and spacer spools;
g) adapters;
h) mandrels (for wellbore connectors);
i) loose connections;
j) clamps.
Dimensional interchangeability is limited to end and outlet connections.
A simplified example of drill-through equipment defined by this specification is shown in Figures 1 and 2.
Repair and remanufacture of 16A equipment is covered in API 16AR, Standard for Repair and Remanufacturing of Drill-through Equipment.
This specification does not apply to field use or field testing of drill-through equipment.
If a product is supplied bearing the API Monogram and manufactured at a facility licensed by API, the requirements of Annex A apply