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Keywords: pipe
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35060-MS
... capable of fitting into a large pipe OD (Outer Diameter) may also be considered instead of TSJ. Due to high bending stiffness and self-weight of steel SWIRs (in comparison to HDPE), the riser displacements can rarely pose any issue and ballast is not required in many cases. Abstract...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35079-MS
... temperatures generating slower cooling rates, as above. Abstract Pipeline design for high pressure/high temperature applications (HPHT) requires the use of heavy walled pipe up to 2" thickness. This leads to enhanced pipe chemistry & complexity for girth weld fabrication, particularly when sour...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35092-MS
...Literature Review Abstract Fiber Reinforced Polymer (FRP) materials, including structural products and Glass Reinforced Epoxy (GRE) pipes, offer significant carbon footprint reduction when compared to traditional steel alternatives. This is because of the lower energy requirements needed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35136-MS
... Abstract The work presents an unprecedented standardization effort within the flexible pipe industry, that allows flexible pipe manufactures to still use their best design for each case while allowing the projects the flexibility to select pipes from a list of already qualified and ready...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35180-MS
... By 1999, the Roncador pilot system was started through well 1-RJS-436, at a record 1853 m WD, followed by the first full system, P-36, in 2000, with a new generation of flexible pipes that demanded extensive qualification for this range of pressure and water depth. From Garoupa to Roncador...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35311-MS
... on the drill pipe with the primary seal sub. The seal sub is evaluated from the annulus and the production bore. While the same fluid used for the sidetrack operations was the primary choice for the annulus fluid between the 11-3/4" production riser and the temporary liner, brine was used because...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35355-MS
... Abstract The 5 th phase of the Sureflex Joint Industry Project (JIP) provides the latest data-driven industry guidance relating to unbonded flexible pipe population and damage / failure statistics, integrity management guidance and good practice. To maximise knowledge and experience sharing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35504-MS
... to the main riser pipe. Typically, the top and bottom connections are rigid clamps, with strategically placed polymer clamps along the length. The clamps prevent the annulus line from buckling and also manage the span on the annulus to prevent vortex induced vibrations. The objective of this study...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32279-MS
... Abstract Due to their non-linear bending response, low bending stiffness and potentially high axial expansion coefficients, buried unbonded flexible pipes can be susceptible to Upheaval Buckling (UHB). The traditional industry approach is to prevent UHB by providing sufficient download to limit...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32224-MS
... The lined pipe assembly was pressurized in stages to 500 bar (7,252 psi) and held for one hour. The pressure was subsequently brought back to atmospheric pressure and then re-pressurized to 500 bar. No water leaked from the hole in the steel pipe wall during the course of the hydrostatic test...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32226-MS
... innovative ROV Tool that is used to install Inconel straps on pipes, spools and jumpers. The tool was developed and built by Saipem Sonsub, in 2020; The tool has been operated (in ultra-deep water), during the past two years, in some offshore campaigns to install Inconel straps on jumpers, to further secure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31886-MS
... Abstract The use of Mechanically Lined Pipe (MLP) installed by the reel-lay method is a field proven solution which presents key advantages over other more expensive rigid linepipe and installation methods. Implementing the most commonly used corrosion resistant alloys (CRA) as a thin liner...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31853-MS
... Abstract Commonly accepted procedures in the industry for calculating high collapse ratings of OCTG casing and tubing are described in Annexes G and H of API 5C3. Both approaches are limited to the analysis of historical data. Moreover, modern pipe dimensional mapping during production allows...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31976-MS
... Abstract Rock berms are used to restrain flowlines from moving axially by adding vertical load to enhance resistance. Should the contact pressure be reduced at the flowline-berm interface, such as in response to ‘arching’ of the rock berm due to pipe settlement, this resistance may...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31907-MS
..., allowing well protection from the surface casing string and below. load shoulder elevator application surface string casing and cementing selection pipe rig casing design connector consideration requirement offshore technology conference upstream oil & gas wall thickness operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32023-MS
... temperature is close to the hydrate formation temperature (HFT) and the wax appearance temperature (WAT). Water droplets coat the dry particles and become a part of the particles absorbing free water in the flow. In addition to the seeding mechanism, a robot operated induction coil removes inner pipe wall...

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