..., the mining machine underwent crucial upgrades for the next phase of trials. These enhancements included the integration of a lightweight nodule collector and structures, lumped nodule crusher, slurry feeder, and pumping system. Slurry transportation was achieved using the nodule entrainment method...

... ABSTRACT With the high necessary on low carbon mechanism, the ship transport above sea is energy consuming and emit large amount of toxic gas which cost high to revive. Under this prospect, we put forward a thought of high way above sea. This paper focuses on realization method of high way...

... characteristic transportation polar engineering conference ABSTRACT Adaptation of positive displacement pumps for deep sea slurry pumping is an unique approach and seldom proposed elsewhere. This paper describes the pumping of collected nodules by a positive displacement pump. A sea trial...

... ABSTRACT The submarine transportation of natural gas faces the risk of hydrate flow assurance, and research on hydrate deposition and blockage in undulating pipelines is weak. This study conducted experiments on the flow of hydrates in undulating pipes using a self-built flow loop...

..., longdistance and high-concentration pipeline transportation has always been a challenging task in construction. In this study, the concentration distribution characteristics of medium-coarse sand under different operating conditions were obtained through the ERT concentration meter. The test results show...

... Co., Ltd. Liaoning Branch Dalian, Liaoning, China 3 SINOPEC Northwest Oilfield Branch Urumqi, Xinjiang, China ABSTRACT The core annular flow is considered an exceptionally efficient and environmentally friendly approach for reducing pipeline transportation drag, yet its widespread commercial adoption...

... displacement curves of iron concentrate sand and the transparent material are compared. The comparative results indicate the feasibility of using transparent materials in the study of iron ore liquefaction in maritime transportation. INTRODUCTION In recent years, major accidents involving ships carrying...

... phenomenon due to the influence of external factors, at the same time to strengthen the protection of the site and transportation process, in the actual verification of the site has achieved good corrosion effect. The optimized design scheme provides reference for the anticorrosion design of stainless steel...

... ABSTRACT While hydrogen is gaining momentum as a clean energy carrier in the context of energy transition, the absence of specific and dedicated design guidelines for the safe and efficient transportation of gaseous hydrogen via offshore pipeline presents a considerable obstacle. Notably...

... are further carried out. The test results show that the smaller the cutting thickness of the hob tooth is, the smaller the cutting force is, and the smaller the soil particles formed after cutting the hard clay are, the more conducive to suction and transportation. Besides, the influence of cutting torque...

... tank liquified natural gas liquid inner tank wall rectangular tank midstream oil & gas lng transportation curvature rectangular mobile tank liquid holder containment system liquefied natural gas mobile tank contact surface tank 1 inflatable element gas monetization...

... water depth underwater buoy 26 transportation module 10 communication module aquarium pressure-resistant shell armored cable 4 battery module thickness Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright ©...

... upstream oil & gas drilling fluid property depressant transportation zy oil fluid loss control drilling fluid selection and formulation pour point depressant shear rate drilling fluid formulation pipeline pour point treatment temperature heat treatment temperature concentration...

.... According to the actual demand, this paper carried out the research on the air added technology of small diameter, analyzed the influence of the air added technology on the pipeline transportation, and improved the problem of short transmission distance caused by the large transportation resistance...

... determine its feasibility and suitability for the project. A Deck Transportation Vessel (DTV) was upgraded with DP2 capability by adding two portable azimuth thrusters to allow safe and efficient topsides float-over installation. Sea trials and annual DP trials were conducted in ensuring DP functionality...

... tunnel element xue-gang wang formula tunnel element empirical formula resistance coefficient towing water resistance coefficient wave encounter angle engineering resistance coefficient draught water depth construction transportation china water resistance coefficient...

... Abstract Hydraulic transport is the main form of sediment transport in dredging engineering. At present, the modeling of the dredge pump and the pipeline system is mostly based on the quasi-static matching of the pump’s performance characteristics. The influence of working parameter...

..., the measures of blending heat water or heating normally are adopted to improve the heat capacity in system, and reduce the fluid viscosity when pipelining the oil-gas-water mixtures. However, with the further increase of crude viscosity, water depth, transportation distance and operating pressure, the method...

... that improves energy efficiency and reduces emission. INTRODUCTION The shipping industry, while making considerable progress in recent decades, is also a major polluter in the transportation industry and a large contributor of greenhouse gases. In order to curb environmental pollution caused by ship...

... ABSTRACT Tank container transportation, a kind of ‘door-to-door’ service, is one of marine transportation types. However, tank containers are forbidden to carry liquefied natural gas(LNG) according to some certain marine laws because of the uncertain safety concerns of carrying LNG within tank...