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Keywords: spear
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27807-MS
... capabilities. Presentation of OTC-27807-MS Presentation of OTC-27807-MS knowledge management spear removal operation operator casing design conductor removal drilling operation conductor cost-effective solution casing and cementing offshore technology conference upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27618-MS
... pulling assembly enables operations to overcome these limitations and increase efficiencies. The hydraulic-activated assembly uses a pressure differential to anchor into the casing above the section to be removed while pulling as much as 1.8 million pounds through a casing spear that is engaged in the cut...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23906-MS
... are economically viable and safety compliant. For Norwegian sector of the North Sea, a single trip casing cutting and pulling system has been developed and tested which provides multiple cuts capability and selective activation of heavy duty spear to overcome frictional resistance between casing and...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-22994-MS
... Abstract The risk of an export buoy's loading hose being pierced by the spear of abillfish such as marlin is very real. Such incidents are proving especiallyfrequent on FPSOs offshore Angola, where several cases are recorded everyyear. The consequences can be critical, to the extent of...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16568-MS
... and run with the first joint of casing. The casing string is rotated during drilling, typically with a spear assembly that provides rotation to the casing. Upon reaching TD, the casing can be cemented immediately, with no need for an additional trip. The Apache China Zhao Dong DwC project employed...

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