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Keywords: silica sand
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Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31268-MS
... midstream oil & gas piping simulation pipe-soil interaction strength silica sand normal stress carbonate sand particle roughness interface shear resistance upstream oil & gas friction resistance particle size database dataset shear resistance particle angularity angularity surface...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30544-MS
... consolidation between hydrate and sand. As results of hydrocyclone separation experiments, we have the high separation efficiency that is up to 92.23% for silica sand and 98.87% for PP; also only 0.46%~1.05% of PP powder remains in recovered materials. In conclusion, the technology proves the ability...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29010-MS
... laboratory testing is not available. The curves of G/G max -γ and D-γ, are similar between silica sand and calcareous sand. The curves of siliceous carbonate sand and carbonate sand are very similar, but show a different shape and width than the curves of silica sand and calcareous sand. This indicates...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23002-MS
... diameter penetration tip resistance constitutive model correlation failure mechanism silica sand friction angle uncemented carbonate sand carbonate sand resistance prediction upstream oil & gas finnie pressure-penetration curve footing footing penetration numerical model...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6239-MS
... (calcareous) sands found mostly, although not exclusively, on cont- inental shelves in tropical and sub-tropical regi ons. Pub1icati ons withi n the 1ast fi fteen years have shown that pil e capaciti es in such materials are much lower than in silica sands at similar relative densities. This paper presents...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5145-MS
... ABSTRACT An analytical modeling study was conducted to develop understanding of pile-soil-loading interactions for piles embedded in silica sands and calcareous formations. The analytical model used was PSAS (Pile-Soil-Analysis-System) as described in OTC Paper 4806. Pile load tests performed...

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