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Keywords: anchor
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35035-MS
... through the weight of the steel chain and/or wire suspended in the water as the floater has a horizontal offset from its equilibrium position. Low-cost drag anchors and steel chains and/or wires are typically used for the catenary mooring system. There is generally a heavy segment of the mooring line...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35115-MS
... The HSE on the Anchor project evolved as the project progressed from engineering to fabrication and eventually to offshore commissioning and start-up. Moving through these transient stages presented challenges and offered opportunities regarding HSE risk management. The approach and strategies...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35113-MS
... ) of 0.495 is adopted (instead of 0.5 considering the numerical stability). Since the study is mainly focused on the bearing capacity of the anchor. A constant clay rigidity ratio Ir (Ir = G/s u , G is the shear modulus) of 1000 is assumed in all the simulations. The Young's modulus ( E s ) can...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35111-MS
... a smaller footprint on the seabed. In addition, TLP mooring lines are anchored to the ocean floor without significantly diminishing underwater clearance for fishing between turbines. In addition to hull and mooring design, other aspects discussed are turbine spacing and the depth of the array cable...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35094-MS
... The Anchor field was discovered in 2014 with the Anchor 2 well. The field is approximately 140 miles off the coast of Louisiana in the Green Canyon Protraction Area of the deepwater GOM, as shown in Figure 1 . The Anchor reservoirs are in the Lower Tertiary Trend at depths of 30,000 - 34,000...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35148-MS
... Abstract 20,000 psi (20k psi) technology is required for development of the Anchor asset. To deliver the 20K technology, the Anchor team undertook a world class technology development program. This paper will provide an overview of the 20K drilling, completions, intervention, and source control...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35194-MS
... mooring system offshore technology conference strength synthetic mooring system subsea system requirement anchor offshore wind turbine feed level design comparison performance Introduction Most European, and more recently American, commercial offshore wind farms are sited in shallow...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35256-MS
... To further reduce qualification risk, as well as to provide cost and schedule improvement, the Anchor project leveraged SLS and standardization along with two technology development programs with key HPHT equipment OEMs. This paper will address some of the challenges that were overcome during...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35375-MS
... was in and on the seabed, connecting the mooring line to the anchor, in this application for long term mooring. The temporary Serpentina FPSO moorings (2013 - 2019) included an HMPE mooring rope in each of the 9 mooring lines. All ~350 ft length ropes were located at and under the mudline as forerunners to a drop...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35424-MS
... st End PLETs. These limiting factors include the complicated design and fabrication of a hinged system, the relatively large anchor forging loads and seabed features that limit the length of chain/wire length for initiation. These factors have a direct impact on the limiting sea-states for offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35486-MS
... Some inspections in the Gulf of Guinea indicated that a large amount of seabed trenches appeared in front of suction anchors ( Bhattacharjee et al., 2014 ; Hess, 2015 ; Colliat et al., 2018 ). It was found that semi-submersible floating structures caused the disturbance of seabed clay...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35491-MS
... Abstract The Anchor Project is a deepwater, high pressure project with a shut-in tubing pressure (SITP) greater than 15,000 psi and flowing tubing temperature up to 275°F. The Anchor field is located in the Green Canyon, offshore Gulf of Mexico (GOM), approximately 140 miles off the Louisiana...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32207-MS
... generated by water currents. Based on these concerns, the experience of the operator's work developing torpedo anchor systems ( O'Laoughlin, Randolph, & Richardson, 2004 ) that 9 to 12m depths would embed the instruments in competent material was adopted. Abstract Deformation monitoring has been...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31980-MS
... Abstract BOP tethering is a system installed around the wellhead with the purpose of stabilizing laterally the top of the BOP Stack through the action of cables, anchors, and other devices. This system, which significantly reduces loads on the wellhead, have been used in the last decade...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31744-MS
... Abstract This paper presents the mooring system supply and management model and the design of anchors for a semi-commercial Floating Offshore Wind Farm (FOWF): WindFloat Atlantic. A Project Management and Engineering (PME) model has been developed and employed for effective delivery of various...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31877-MS
... system in hole can lead to distractions and complacency resulting in injuries due to lack of focus. The system can prevent failed runs and reduced trips with its combination of redundant activated anchor and mill to whipstock interface, the anchor being configurable in either hydraulic or annular...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31318-MS
... begins to lift from the seabed to provide increased restoring force and stationkeeping to the foundation. For the semi-taut mooring configurations, enough chain is laid on the seabed such that the mooring forces transferred to the anchors remain mostly in the horizontal direction. Therefore, anchors...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31129-MS
... Abstract Suction embedded plate anchors (SEPLAs) are an economic solution for the mooring system of a floating production platform and have been deployed both in the Gulf of Mexico (GoM) and around the globe with excellent field performance records. The design of SEPLAs has gradually matured...

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