Voices: Ask the Experts

Ask The Experts"Ask The Experts" is moderated on ControlGlobal.com by noted process control authority and CONTROL Columnist Bela Liptak. Liptak either answers the questions himself, or brings in one or more experts from his cadre of co-authors that worked with him on the Instrument Engineers' Handbook, Fourth Edition. Save yourself the hefty consulting fees by getting the answers to your questions here.

Ask The Experts: submit a question


Wellheads and Christmas trees: Is there a difference?

Both are vital to oil production, but they're not the same, and the 45-second valve close rule is there for a reason.

By Bela Liptak
Aug 19, 2015

*Q:* I work as an instrumentation design engineer on an offshore platform and have some questions.

Read More