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- since 1996 -

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Technical Discussions
A.M.Benamer
Director
sirte oil company, Libya, Joined Nov 2008, 3

A.M.Benamer

Director
sirte oil company,
Libya,
Joined Nov 2008
3
07:56 Jun-20-2004
FLOW LINE INSPECTION

DOES ANY BODY KNOW THE MOST COST SAVING AND TECHNICAL PERFORMANCE METHOD TO INSPECT THE INTEGRITY OF FLOW LINES AND PREDICT THE CONDITION OF THE LINES WITHOUT THE NEED TO SHUT IN THE WELL IN ORDER TO PREVENT FAILURES


    
 
 Reply 
 
Randy Di Lallo
Randy Di Lallo
09:11 Jun-21-2004
Re: FLOW LINE INSPECTION
Ultrasonic thickness testing is the usual method of inspection. This testing can be performed with the line fully assembled, and in service.


----------- Start Original Message -----------
: DOES ANY BODY KNOW THE MOST COST SAVING AND TECHNICAL PERFORMANCE METHOD TO INSPECT THE INTEGRITY OF FLOW LINES AND PREDICT THE CONDITION OF THE LINES WITHOUT THE NEED TO SHUT IN THE WELL IN ORDER TO PREVENT FAILURES
------------ End Original Message ------------




    
 
 Reply 
 
Rod
Rod
09:34 Jun-21-2004
Re: FLOW LINE INSPECTION
UT is the quickest and easiest method..small bore insulated piping can also be inspected with shadow radiography.
:
: : DOES ANY BODY KNOW THE MOST COST SAVING AND TECHNICAL PERFORMANCE METHOD TO INSPECT THE INTEGRITY OF FLOW LINES AND PREDICT THE CONDITION OF THE LINES WITHOUT THE NEED TO SHUT IN THE WELL IN ORDER TO PREVENT FAILURES
------------ End Original Message ------------




    
 
 Reply 
 
Joel Light
Consultant, Corrosion Prevention
Deepwater Corrosion Services Inc., USA, Joined Jul 2002, 12

Joel Light

Consultant, Corrosion Prevention
Deepwater Corrosion Services Inc.,
USA,
Joined Jul 2002
12
01:08 Jun-21-2004
Re: FLOW LINE INSPECTION
Guided ultrasonics make for a good screening tool to cover large areas with minimal time.
Any indications can be proven up with straight beam, along with visual inspection and physical measurement for external indications.
Routine R-String or B31 calc's beyond that.

Additional consideration for inspection methods should be given for anticipated problems and or what the wells produce.
High H2S or CO2 would require different more detailed and extensive inspection.

---------- Start Original Message -----------
: UT is the quickest and easiest method..small bore insulated piping can also be inspected with shadow radiography.
: :
: : : DOES ANY BODY KNOW THE MOST COST SAVING AND TECHNICAL PERFORMANCE METHOD TO INSPECT THE INTEGRITY OF FLOW LINES AND PREDICT THE CONDITION OF THE LINES WITHOUT THE NEED TO SHUT IN THE WELL IN ORDER TO PREVENT FAILURES
------------ End Original Message ------------




    
 
 Reply 
 
Carsten Moeller
R & D,
ROSEN Technology and Research Center, USA, Joined Jan 2001, 2

Carsten Moeller

R & D,
ROSEN Technology and Research Center,
USA,
Joined Jan 2001
2
00:55 Jun-22-2004
Re: FLOW LINE INSPECTION
Rosen Inspection Technologies has developed an MFL based robotic
scanner for flow lines. The line can be in service and will be inspected over the complete circumference.
Several diameters are available. For further information you can contact me at CMoeller@RosenInspection.net or visit our website www.RosenInspection.net.

----------- Start Original Message -----------
: Ultrasonic thickness testing is the usual method of inspection. This testing can be performed with the line fully assembled, and in service.
:
: : DOES ANY BODY KNOW THE MOST COST SAVING AND TECHNICAL PERFORMANCE METHOD TO INSPECT THE INTEGRITY OF FLOW LINES AND PREDICT THE CONDITION OF THE LINES WITHOUT THE NEED TO SHUT IN THE WELL IN ORDER TO PREVENT FAILURES
------------ End Original Message ------------




    
 
 Reply 
 
John O'Brien
Consultant, -
Chevron ETC , USA, Joined Jan 2000, 278

John O'Brien

Consultant, -
Chevron ETC ,
USA,
Joined Jan 2000
278
00:50 Jun-23-2004
Re: FLOW LINE INSPECTION
The topic can be very wide and much will depend upon cost and how you analyze cost in terms of consequences of damage, total cost of inspection and cost of replacement.

Where the flowlines are in relation to hazards to the public will also dictate how much inspection, how definitive and how often you inspect.

The first approach may be an RBI study highlighting areas of greatest risk and then applying some of the techniques mentioned by others.

Manual UT - slow, low cost potentially low coverage.
Guided Wave - Full coverage, medium accuracy , medium cost
MFL - Full Coverage, fast, medium accuracy, medium to high cost.

You need to determine a strategy and cost implications first.



    
 
 Reply 
 

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