Method for evaluating corroded pipe addresses variety of patterns

Journal Article · Mon Oct 12 00:00:00 EDT 1992 · Oil and Gas Journal; (United States)

OSTI ID:7190749

O'Grady, II, T J ^[1]; Hisey, D T ^[2]; Kiefner, J F ^[3]

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1. ARCO Alaska Inc., AK (United States)
2. ARCO Transportation Alaska Inc., Anchorage, AK (United States)
3. Kiefner and Associates Inc., Columbus, OH (United States)

This paper reports that ARCO Alaska Inc. has developed a method for evaluating corroded pipelines which includes and expands upon criteria embodied in the ASME/ANSI B31G Guide for the Evaluation of the Remaining Strength of Corroded Pipe. This method permits evaluation of large areas of metal loss, corrosion in some welds, groups of noncontinuous pits and, to a limited extent, the effect of circumferential corrosion. The B31G approach, on the other hand, deals with the effect of single arrays of pitting on the pressure-carrying capacity of the pipe. The method includes the Modified B31G Criterion developed for the AGA pipeline Research Committee. An objective of Battelle's work was to address the built-in conservatism of B31G.

• OSTI ID: 7190749
• Journal Information: Oil and Gas Journal; (United States), Vol. 90:41; ISSN 0030-1388
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
42 ENGINEERING
36 MATERIALS SCIENCE
PIPELINES
CORROSION
EVALUATION
OPERATION
MONITORING
NATURAL GAS WELLS
OIL WELLS
SAFETY ANALYSIS
CHEMICAL REACTIONS
WELLS
022000* - Petroleum- Transport
Handling
& Storage
032000 - Natural Gas- Transport
Handling
& Storage
420205 - Engineering- Transport & Storage Facilities- (1980-)
360105 - Metals & Alloys- Corrosion & Erosion