5th edition ballot of API Standard 53 issued; comments due by 21 February

The 5^th edition ballot of API Standard 53, “Blowout Prevention Equipment Systems for Drilling Wells,” has been issued and can be found here. This proposed edition features new language applicable to onshore BOP equipment. Comments can be submitted via API’s website using ballot ID 4329. Anyone can comment on a letter ballot, and all ballot responses are due on or before 21 February 2018.