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Keywords: pipe
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32224-MS
... Carbon steel pipelines are desirable due to their strength, ductility, and relatively low cost. Thermoplastic pipe is desirable due to its low cost and corrosion-resistant properties. Abstract Thermoplastic pull-through liners are an effective method or preventing corrosion of carbon steel...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32226-MS
... Abstract The paper presents a unique 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...
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 2–5, 2022
Paper Number: OTC-31700-MS
...System description The PipeACOM, Flexible Pipe Annular Control Manifold, is a non-intrusive modular system that was designed to minimize the aggressiveness of the annular region and mitigate the associated failure mechanisms by allowing the access and management of the annulus of flexible...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31726-MS
... to determine sensitivity of C d and C a values to Reynold's number (Re) and the Keulegan Carpenter (K c ) number. Steady and unsteady flows are treated separately, as are unstraked (bare) and straked pipes. The practice of using constant values of hydrodynamic coefficients in riser analysis is simplistic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31751-MS
... based on the requirements for the North Sea application. It also proved that the design would require a non-standard pipe size. The pipe and expansion system were tested in a series of surface level qualification tests and at a test rig within a downhole environment. The results of testing validated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31886-MS
...Manufacturing A technico-economical assessment was performed to define the best way to implement the CRA material on the inner pipe. Based on pure linepipe material procurement cost and lead time, MLP presented a significant advantage over clad pipe. The use of adhesively bonded mechanically...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31853-MS
... At first, we can use a straightforward definition of the performance rating for an individual pipe, which is based on deterministic approaches usually encoding working stress design, or allowable stress design ( 10 ). The dimensional mapping tied with the minimum mechanical properties defined...
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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31995-MS
... and hence gives an interesting overview of this technology and its qualification status. insulation liner outer pipe trl4 high-performance deh-pip efficiency pipe characterization deh pip coating deh-pip offshore technology conference upstream oil & gas inner pipe qualification...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32009-MS
... complex, slimmer, non-standard well designs. This paper describes the Performance Baskets approach, a solution developed to meet those collapse needs that cannot be met using standard materials and conventional techniques for pipe performances calculation. This methodology uses production's intrinsic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32088-MS
... the conventional DEH-PiP, then to design a new outer pipe to decrease dramatically its impedance. A strong effort was spent on the building of an accurate electrical model for the High-Performance DEH-PiP, and finally full-scale electrical tests on a representative prototype were carried out to validate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31775-MS
... Abstract Flow-induced pulsations (FLIP) are pressure oscillations generated inside flexible pipes used in dry gas applications that can cause unacceptable vibration levels and eventually failure of equipment. Because of the design of inner layer of the flexible pipe, the carcass, the frequency...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31808-MS
... MATS is built on a waterproof case and features a control panel with quick coupling adaptors for hydraulic connections. ATEX certified pressure, temperature, and flow rate sensors for the pipe annulus are installed inside. The control panel allows for a second pressure sensor to be installed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31014-MS
... environment to address this industrial demand is essential. In order to lighten the C&K lines, IFPEN has developed and patented a technology for high pressure pipes using thermoplastic composite reinforcement. The steel/composite C&K lines are comprised of multiple composite layers wrapped around...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31088-MS
... A 12in OD DNVGL SMLS 450 pipe was considered for these assessments. Figure 2 shows a sketch of the FE model, dimensions and the mismatch between two consecutive joints. The main material properties and dimensions of the different components of the FE model are summarised in Table 1...

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