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Field weld

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Areas of Preferential Corrosion of <b>Field</b> <b>weld</b> in the Above Water Riser Sect...
Published: 28 May 2012
Figure 3 Areas of Preferential Corrosion of Field weld in the Above Water Riser Sections More
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4037-MS
... Abstract A automatic field welding method of high speed and good reliability was developed with one-side downhill gas metal arc welding (GMAW) method. The results are followings: Diagrams for selection of the appropriate welding conditions in which high efficiency without any defects can...
Journal Articles
J Pet Technol 7 (09): 29–32.
Paper Number: SPE-388-G
Published: 01 September 1955
...J.N. Biron; B.G. Frazier Examination of several typical samples of field welding of scratcher and centralizer lugs revealed that the quality of welds was inconsistent and generally poor. Damage to the casing could usually be expected. The holding capacity of the welded lugs and of the equipment...
Proceedings Papers

Paper presented at the CORROSION 2020, June 14–18, 2020
Paper Number: NACE-2020-14660
... ABSTRACT Weld overlay has been successfully used to mitigate high temperature corrosion issues in coalfired boilers since the1990s, such as in waterwall and superheater/reheater area. Weld overlay is typically applied in shop or field by using Gas Metal Arc Welding (GMAW) process for boiler...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4126
... the field performance experience for the past two decades of various weld overlay alloys including Fe-Ni-Cr alloys, such as Type 309, Type 312 and alloy 33 (UNS R20033), and Ni-base alloys, such as alloys 625 (UNS N06625), 622 (UNS N06022), 52 (UNS N06052) and 72 (UNS N06072) in both subcritical...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7754
... environment. Therefore, an extensive testing program of candidate materials for use as a weld overlay on water-wall panels in supercritical coal-fired boilers was initiated in 2004. After 10 years of field testing a variation in resistance to circumferential cracking was found among the materials tested...
Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05309
... plant waterwall coating well integrity composition investigation machine learning Artificial Intelligence Upstream Oil &amp; Gas exposure Haderslev alloy 686 alloy 625 alloy 622 hour exposure dendrite core deposit Micrograph corrosion attack FIELD INVESTIGATION OF VARIOUS WELD...
Proceedings Papers

Paper presented at the CORROSION 2000, March 26–31, 2000
Paper Number: NACE-00096
... sensitivity geometry Subsurface Corrosion groove inspection tool field signature mapping inspection tool weld root corrosion matrix application validation test WELD ROOT CORROSION MONITORING WITH A NEW ELECTRICAL FIELD SIGNATURE MAPPING INSPECTION TOOL Roy Johnsen, Baard E. Bjornsen CorrOcean ASA...
Proceedings Papers

Paper presented at the Corrosion97, March 9–14, 1997
Paper Number: NACE-97043
... ABSTRACT Both laboratory and field testing have been conducted in order to reproduce selective weld corrosion experienced in real piping systems. All testing has been done with welded coupons which have been exposed for 6 to 16 weeks, The same type of attacks could be seen on the coupons...
Examples of conventional CT bias-<b>weld</b> <b>field</b> failures after only a fraction ...
Published: 22 March 2016
Figure 17 Examples of conventional CT bias-weld field failures after only a fraction of predicted life, while showing only moderate corrosion damage at the bias weld (from 3 rd party lab investigations; no mechanical damage or manufacturing issues were associated with the failures). More
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173660-MS
... with bias welds ( Fig. 10 and 11 ). Figure 8 Field picture of the first failure on April 9 th 2013. It occurred as a partial fracture on the reel (rectangle). Figure 9 Samples received from the fifth failure (July 5 th 2013). The samples presented total transverse fracture...
Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05097
... fw solution PWHT ambient temperature Welding Corrosion Management cracking-resistance corrosion test specimen robustness fpb sample optical microscope ROBUSTNESS OF SUPERMARTENSITIC STAINLESS STEEL GIRTH WELDS EXPERIENCES FROM THE KRISTIN FIELD DEVELOPMENT PROJECT Jakob Enerhaug, Stein...
Proceedings Papers

Paper presented at the CORROSION 2002, April 7–11, 2002
Paper Number: NACE-02043
... ABSTRACT Welded joints properties of Super 13Cr martensitic stainless steel were investigated to confirm the applicability to the actual field fabrication in this study. The properties of the welded joints of super 13Cr with matching welding consumable were investigated in comparison...
Proceedings Papers

Paper presented at the CORROSION 99, April 25–30, 1999
Paper Number: NACE-99587
... ABSTRACT A test program was conducted to qualify welded super 13%Cr (S13%Cr) stainless steel for the Asgard Field, a mildly sour service. The test program involved girth welding, optimization of post weld heat treatment (PWHT) cycles, assessment of mechanical properties, examination of low...
Proceedings Papers

Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-261
... ABSTRACT: Effects of magnetic field on arc stability, weldability and mechanical properties of welded joints under high pressure atmosphere by TIG arc welding process were investigated. As the magnetic field, the longitudinal magnetostatic field and the alternating fields of several...
Journal Articles
Trans. 86 (01): 303–307.
Paper Number: SPE-930303-G
Published: 01 December 1930
... 61 per cent. less than gas, welding wire 40 per cent. lessthan gas, and supervision and overhead the same. 1 12 1930 1 12 1930 1930. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired. weld generator pipe field...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-443
... ABSTRACT This paper concerns the applicability of prediction approach of brittle fracture initiated at toes of weld access hole. In order to find suitable shape of beams copes in the field-welded joint, the cyclic loading tests using beam-to-diaphragm joint models, which were designated...
Proceedings Papers

Paper presented at the CORROSION 2001, March 11–16, 2001
Paper Number: NACE-01247
... ABSTRACT TP304L stainless steel piping with 0.22-inch (6-mm) thick ER/E316L field weld joints, tape wrapped and buried underground, developed large open cavities in the pipe outside surfaces, primarily in the base metal along the weld crown in less than nine months. Indirect evidence for MIC...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2300-MS
... and low. Use of the new process for welding heavy-walled pipe piles in offshore platform construction has been found to increase productivity and reduce manpower requirements compared with conventional manual welding. INTRODUCTION Field welding of heavy-walled large diameter pipe piles for fixed...

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