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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-697
... ABSTRACT In this study the performance of the Internet of Fish (IoF) concept, a real-time acoustic positioning and fish monitoring system, was assessed in a commercial marine fish farm in Norway. Central to the IoF concept is the Synchronisation and LoRa Interface Module (SLIM), which...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference & Exhibition, September 7–10, 2021
Paper Number: SPE-205446-MS
... these decommissioned UKCS platforms. The paper begins by highlighting the background to UKCS offshore decommissioning and farming fish life-cycle. This is followed by a critical review of the three options of total and partial removals and leave-on-site. It is found that repurposing decommissioned platforms...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1248
... Abstract In order to explore the electrical performance of a piezoelectric paint based ocean energy harvester attached to a fish aggregating device under the real sea area, this study do the research about the influence of wave direction. The experiments of flexible piezoelectric energy device...
Proceedings Papers

Paper presented at the The Fourteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 22–25, 2020
Paper Number: ISOPE-P-20-183
... ABSTRACT Marine fishery is gradually developing from the coastal area to the deep sea. The semi-submersible offshore fish farm is one of the most foreseeable aquaculture equipment. However, the vast and abundant deep sea also means that the fish farm will be in a harsh marine environment...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196427-MS
... equilibrium ratio of component i) is equal to the unity. Instead of using a trial-and-error method to compute a pressure which satisfies the abovementioned condition, advantages of metaheuristic algorithms like Mouth Brooding Fish (MBF) can be utilized to evolutionarily find the saturation pressure...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1154
... ABSTRACT Dynamic behavior of a semi-submersible offshore fish cage composed of a large buoy, slender supporting frames and flexible net system is analyzed in the paper. The numerical simulation is performed in ABAQUS. The hydrodynamic loads in the slender structures are considered conveniently...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4254
... ABSTRACT A finite element model of a fixed horizontal cylindrical fish cage is established to calculate the dynamic characteristics based on the ABAQUS platform. The natural frequency and vibration mode of the fish cage are obtained by modal analysis. Through the time-history analysis...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1173
... In order to shorten the payback period of the investment of floating offshore wind farms, an innovative structure integrating a floating offshore wind turbine with a steel fish farming cage (FOWT-SFFC) has recently been developed by authors. In this study, a brief description of this concept...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-479
... ABSTRACT Wave basin tests have been performed on an innovative fish farm concept at scale 1:40. The concept consists of a refitted semi submersible equipped with four cages for a production of 15000 tons of salmon. In order to understand the hydrodynamic performance of the concept a generic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28901-MS
... Abstract This paper proposes a novel dynamically installed ‘fish’ anchor, adopting a geometry taken from nature, for economic and safer tethering of floating facilities in deep water. Every cross section of the fish anchor shaft is elliptical, leading to very low drag resistance during free...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-292
... ABSTRACT Fish cages in the open sea are exposed to cycle wave loads during their service life, and thus the fatigue reliability of mooring chains should be re-assessed to ensure the safety status. A numerical model was adopted to calculate the tension force of mooring chains. A nonlinear...
Proceedings Papers

Paper presented at the SPE Deepwater Drilling and Completions Conference, September 14–15, 2016
Paper Number: SPE-180346-MS
... , and future drilling jar schematics in this paper, will be shown horizontally rather than in the vertical direction to conserve space in the paper. The harder a drilling jar hits in a stuck pipe event, the more likely the fish will be freed. One of the aspects that can increase the jar's force of impact...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-252
... Abstract A fatigue analysis of the high-density polyethylene (HDPE) floating system of fish cage is presented. The fatigue analysis is based on the deterministic method and the finite element method combined with a hydrodynamic model. The stress of the floating collar is evaluated based...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-219
... the net surface area and drag force and disrupts water flow both into and out from the cage. In this research, behavior and deformation of fish cages with copper nets free from biofouling were compared with traditional fish cages rigged with synthetic fibers. Mathematical modelling has been employed...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0995
... Summary This study evaluated the effects of a four airgun array on threatened and endangered fish from Lake Sakakawea, North Dakota, USA. Exposure to a single impulse SEL produced by the airgun array (224 dB Peak [peak decibel level]; 205 dB SEL ) did not cause immediate or delayed mortality...
Journal Articles
J Ship Res 58 (01): 20–29.
Paper Number: SNAME-JSR-2014-58-1-20
Published: 01 March 2014
... Investigation on Hydrodynamics of a Fish Cage Floater-net System in Oscillatory and Steady Flows by Forced Oscillation Tests Shixiao Fu, Yuwang Xu, Ke Hu, Qian Zhong, and Runpei Li State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China In this article, the hydrodynamic...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-499
... surface tank upstream oil & gas flow field reservoir surveillance vortex system streamline contour flow visualization photograph calculation shiotani production monitoring marine fish larvae equation production control cylindrical tank numerical calculation vortice vortex larvae...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1540
...High resolution seismic fault imaging High resolution seismic reflection imaging of the Emigrant Peak Fault and associated alluvial material, Fish Lake Valley, Nevada Brian E. Miller*, Ross Black and George P. Tsoflias, The University of Kansas Summary The use of high resolution geophysical...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-284
... ABSTRACT: Fish swimming results from a complex dynamic balance between drag and thrust force. To better understand the thrust performance and the fluid mechanism of undulatory fish swimming, a biorobotic model that mimic mackerel ( Scomber scombrus ) was developed. The robotic fish model have...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, March 27–28, 2012
Paper Number: SPE-150990-MS
... Abstract Wellbore obstructions are a common dilemma and typically must be removed as they can severely restrict a well’s production capability and have proven to be very costly. For instance, scale formation will eventually result in lower yields and well failure, while a fish left in a well...

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