On a MODU, if there is a probability of...

Question 1 / 205eccef9ebacbc34ba4d46608

Question 1 of 205eccef9ebacbc34ba4d46608

On a MODU, if there is a probability of encountering hydrogen sulfide during the drilling of a well, air movers (bug blowers) should be installed to dilute the concentration of gas at the __________.

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Question 1 of 20

5eccef9ebacbc34ba4d46608

On a MODU, if there is a probability of encountering hydrogen sulfide during the drilling of a well, air movers (bug blowers) should be installed to dilute the concentration of gas at the __________.

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🔍 Key Concepts

• Hydrogen sulfide (H2S) behavior in air (is it heavier or lighter than air?) • Where gas is most likely to be released on a MODU during drilling operations • Purpose of air movers (bug blowers)—dilution vs. removal at the source

💭 Think About

• Think about which area is closest to where formation gas first separates out of the drilling mud on the rig. • Consider whether H2S would tend to accumulate high up near the crown block or lower down near process equipment. • Ask yourself: which location is the first major point where returning mud and cuttings are handled and gas can flash off?

✅ Before You Answer

• Verify where return mud and cuttings from the wellbore are initially processed on a MODU. • Confirm whether H2S is heavier than air, and therefore where it tends to collect. • Check which listed areas are most directly exposed to any gas breaking out of the drilling fluid.

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Question 1 of 20

On a MODU, if there is a probability of encountering hydrogen sulfide during the drilling of a well, air movers (bug blowers) should be installed to dilute the concentration of gas at the __________.

pipe rack

crown block

shale shaker

all of the above

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Question 1 / 205eccef9ebacbc34ba4d46608

Question 1 of 205eccef9ebacbc34ba4d46608

On a MODU, if there is a probability of encountering hydrogen sulfide during the drilling of a well, air movers (bug blowers) should be installed to dilute the concentration of gas at the __________.

Back

Question 1 of 20

5eccef9ebacbc34ba4d46608

On a MODU, if there is a probability of encountering hydrogen sulfide during the drilling of a well, air movers (bug blowers) should be installed to dilute the concentration of gas at the __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed