... A large number of tripods and four-legged jackets are installed in shallow water to support unmanned small wellhead platforms with only a few wells. In some installations, monopods with reasonably large diameter pile or with additional anchor piles are also used to support minimum facility...

... in operations in the North Sea and other locations around the world to mitigate wellhead fatigue. In Brazil, it was proposed to enable the use of dynamically positioned (DP) drilling rigs in shallow waters, where the loads imposed by the riser-BOP on the wellhead during a drift-off/drive-off event...

... This paper presents the design challenges encountered in a flexible riser application with an external turret moored FSO in a shallow water depth around 55m, and the solutions obtained for an improved lazy wave flexible riser system. Extensive dynamic analyses were performed with parametric...

... Abstract Most drilling operations in deep water are performed in Dynamic Positioning (DP) mode. In harsh environments and shallow water conditions, thruster assisted position mooring configurations are often the preferred choice as the mooring lines provide an extra help to counteract...

... Abstract This paper presents the technical analysis, simulation and work carried out in planning and executing an open sea workover riser operation for decommissioning a well from a dynamically positioned (DP) vessel in shallow waters, on southeastern Brazil. The main challenge in using a DP...

... implementation, and narrow-azimuth (NAZ) acquisition geometry. This method usually results in good- quality seismic data for noncomplex geological environments and is a well-established methodology. However, this method is limited in obstructed areas or in areas with very shallow water where streamer vessels...

...OTC-27787-MS New Criteria of Hydrate Inhibitor Requirements in Tropical Shallow Waters Weihong Meng and Ashutosh Kak, Genesis Copyright 2017, Offshore Technology Conference This paper was prepared for presentation at the Offshore Technology Conference held in Houston, Texas, USA, 1 4 May 2017...

...OTC-26004-MS Seismic Processing Workflow with an Integrated Model Building Toolkit Significantly Improves Imaging in Shallow Water, Complex Salt Province G. Zhu, and D. Smith, Schlumberger Copyright 2015, Offshore Technology Conference This paper was prepared for presentation at the Offshore...

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... shallow water free surface elevation horizontal load otc 24146 subsea system offshore structure relative height solitary wave wave impact vertical load wave crest upstream oil & gas interaction runup wave theory wave height analytical result wave loading peak load...

... shallow water calculation boundary condition loading cargo configuration subsea system operation boundary floating production system fpso upstream oil & gas htv offshore discharge operation discharge operation otc 23329 deadweight capacity hydrodynamic behavior offshore...

... Abstract Shallow water mooring for an FPSO system is a challenge for offshore engineers.TUMSAS - Turret Mooring with Self Adjusting Stiffness system is invented toprovide a new and effective solution. The work presented here includes thedevelopment of TUMSAS and supporting model tests results...

... deep) and at least 91 wrecks believed to have metal hulls (74 shallow and 17 deep). Twelve percent of shipwrecks in shallow and deep waters, combined, have wooden hulls. In shallow water the proportion of wooden shipwrecks is 9 percent, and in deep water it is 23 percent. Thirty-one wrecks, all...

... Abstract While much focus is given to the challenges of designing and manufacturing riser systems for extreme deep waters, the challenges are certainly not less when one tries to push the limit at the other end of the spectrum: in very shallow water. Due to their advantages FPSO's are being...

... equipment and practices developed for shallow water are applied to deepwater environments. The paper will review the elements of deepwater mooring with particular reference to the integrity of deepwater mooring connectors and the excessive complexity of mooring line interconnectivity, resulting...

... OTC 19957 Marine UXO Identification and Avoidance for a Shallow Water Pipeline Route Sean Halpin, Martin Morrison, INTECSEA Copyright 2009, Offshore Technology Conference This paper was prepared for presentation at the 2009 Offshore Technology Conference held in Houston, Texas, USA, 4 7 May 2009...

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... satisfied for most parts of the mooring systems in deep water. However, this is not the case for LNG terminals moored in shallow water. Unlike the Newman approximation, the FullQTF formulation to compute the low frequency wave loads is more accurate but requires much longer time of computation, which...

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... facilites with some types of damage not anticipated. The shallow water facilities dominated by fixed platforms exhibited much more damage, not unexpected, than did the deepwater facilities. The relatively good performance of the deepwater facilities will be highlighted here with an overview the damage...