choke mfd presentation

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CHOKE MANIFOLD Nwogu, U.D.

Transcript of choke mfd presentation

CHOKE MANIFOLD

Nwogu, U.D.

®Copyright Expro 2014 WELL FLOW MANAGEMENT

Did you know? Global Training Course

• Adjustable choke and dynamic sealing

• When choke arrives offshore

• When should you check the adjustable choke?

• What to look out for on the adjustable

• Trouble shooting

• Feedback

®Copyright Expro 2014 WELL FLOW MANAGEMENT

Did you know?Global Training Course

“It is a good practice to turn the handle of the

adjustable stem during pressure testing whilst

it is under pressure”.

Why?

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®Copyright Expro 2014 WELL FLOW MANAGEMENT

Arrival offshoreGlobal Training Course

• Right size, pressure rating and

service type

• Number of turns to open/close valve

• No instrumentation until all rigged up

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When should you check the adjustable choke?

Global Training Course

• Before starting operation

• When able after having any problem with the

adjustable choke.

• After flowing any solid through choke

• During shut-ins in preparation for the next flow

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What to look out forGlobal Training Course

• Wear on cone

• Pitting and damage to seat and

threads

• Erosion on the internals

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®Copyright Expro 2014 WELL FLOW MANAGEMENT

Trouble shootingGlobal Training Course

• Ucp is rising and Dcp is falling

• Ucp is dropping and Dcp is rising

• Both Ucp and Dcp are rising

• Both Ucp and Dcp are falling

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FeedbackGlobal Training Course

• Comments

• Responses

• Questions!!!