Page 52: of Offshore Engineer Magazine (Jan/Feb 2014)

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Pipelines

Nitrogen dewatering spread

Photo courtesy of Weatherford are ± 15% in welded pipe. These pipe an ILI survey can be signifcantly over or be used for API 5797 integrity assessment mill tolerances and the high corrosion- under as the result of sizing inaccuracies methodologies.

anomaly sizing tolerances of an MFL tool caused by quantifying depths as a per-

Deepwater inspection solution mean the calculated failure pressure from centage of the assumed wall thickness.

Greater corrosion sizing accuracy also Deepwater in-line inspection using ultra- provides better data to feed an assess- sonic technology provided the Tamar ment standard, such as B31G, modifed project with the accuracy demanded for

B31G, or RSTRENG effective area assess- subsea operations. Conducted in concert ment, the preferred method for determin- with the pre-commissioning, the inspec- ing the remaining strength of the pipe. tion ensured pipeline integrity while

Of the three, RSTRENG effective area helping to achieve high levels of logisti- assessment has the most accurate results cal and scheduling effciency. based on actual versus predicted burst pressure tests.

New sensor technology in current Mark Slaughter is

Weatherford UTWM devices helps Pipeline and enhance detection and accuracy capabili- Specialty Services ties to limit the occurrence of echo loss Global Product Line due to adverse pipeline conditions. This Manager, In-line loss has been demonstrated over many Inspection at years of experience. Weatherford in

Engineering tests and feld work Houston. He has 24 data analysis to API 11636 standards years in the oil and gas industry with have shown the new sensor technology expertise in Product Line Management. improves sensitivity and reduces signal Slaughter earned a Bachelors of degradation. The advance is critical to Business Administration, Accounting achieving successful deepwater subsea and Information Systems at The baseline surveys. The same sensor tech- University of Texas at San Antonio,

Top: Denizen fooding and MEG skids subsea.

nology is used for in-line crack inspec- and an MBA from University of Texas

Bottom: Downline connection to subsea manifold. Photos courtesy of Weatherford.

tion with accurate sizing results that can at Tyler.

January 2014 | OE oedigital.com 54 052-OE0114_Pipelines1_Tamar.indd 54 12/19/13 6:28 PM