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JMSE
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Offshore Oil and Gas Transportation
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Offshore Oil and Gas Transportation

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: closed (16 November 2021) | Viewed by 7489

Special Issue Editor

Dr. Simon Pedersen

E-Mail Website
Guest Editor
Aalborg Universitet, Aalborg, Denmark
Interests: automatic control; multiphase flow; antislug control; produced water treatment

Special Issue Information

Dear Colleagues,

As offshore oil and gas exploration demands longer pipelines and deeper wells, the transportation of multiphase components in the transportation pipelines is increasingly becoming more and more challenging. Multiphase transportation has a substantial effect on both the production rate and downstream separation facilities. The purpose of this Special Issue is to publish the most valuable research in order to handle these technical issues.
High-quality papers are encouraged, for publication, directly related to various aspects, as mentioned below. The topics of interest are various and are listed below:

  • Transportation of multiphase fluids;
  • Flow assurance;
  • Chemical injections;
  • Modelling and/or control of multiphase flow in transportation pipelines;
  • Design of transportation pipelines, wells, and/or risers;
  • Effect on downstream production facilities.

Dr. Simon Pedersen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Offshore transportation pipelines
  • Upstream oil and gas
  • Multiphase flow
  • Behaviour and modelling
  • Process control for upstream processes
  • Environmental impact
  • Case studies.

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

26 pages, 2180 KiB  
Article
A Quantitative Parametric Study on Output Time Delays for Autonomous Underwater Cleaning Operations
by Fredrik Fogh Sørensen, Malte von Benzon, Jesper Liniger and Simon Pedersen
J. Mar. Sci. Eng. 2022, 10(6), 815; https://doi.org/10.3390/jmse10060815 - 14 Jun 2022
Cited by 6 | Viewed by 2372
Abstract
Offshore pipelines and structures require regular marine growth removal and inspection to ensure structural integrity. These operations are typically carried out by Remotely Operated Vehicles (ROVs) and demand reliable and accurate feedback signals for operating the ROVs efficiently under harsh offshore conditions. This [...] Read more.
Offshore pipelines and structures require regular marine growth removal and inspection to ensure structural integrity. These operations are typically carried out by Remotely Operated Vehicles (ROVs) and demand reliable and accurate feedback signals for operating the ROVs efficiently under harsh offshore conditions. This study investigates and quantifies how sensor delays impact the expected control performance without the need for defining the control parameters. Input-output (IO) controllability analysis of the open-loop system is applied to find the lower bound of the H-infinity peaks of the unspecified optimal closed-loop systems. The performance analyses have shown that near-structure operations, such as pipeline inspection or cleaning, in which small error tolerances are required, have a small threshold for the time delays. The IO controllability analysis indicates that off-structure navigation allow substantial larger time delays. Especially heading is vulnerable to time delay; however, fast-responding sensors usually measure this motion. Lastly, a sensor comparison is presented where available sensors are evaluated for each ROV motion’s respective sensor-induced time delays. It is concluded that even though off-structure navigation have larger time delay tolerance the corresponding sensors also introduce substantially larger time delays. Full article
(This article belongs to the Special Issue Offshore Oil and Gas Transportation)
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12 pages, 1911 KiB  
Article
The Impact of Riser-Induced Slugs on the Downstream Deoiling Efficiency
by Simon Pedersen and Mads Valentin Bram
J. Mar. Sci. Eng. 2021, 9(4), 391; https://doi.org/10.3390/jmse9040391 - 7 Apr 2021
Cited by 3 | Viewed by 2144
Abstract
In Oil and gas productions, the severe slug is an undesired flow regime due to the negative impact on the production rate and facility safety. This study examines the severe riser-induced slugs’ influence on a typical separation process, consisting of a 3-phase gravity [...] Read more.
In Oil and gas productions, the severe slug is an undesired flow regime due to the negative impact on the production rate and facility safety. This study examines the severe riser-induced slugs’ influence on a typical separation process, consisting of a 3-phase gravity separator physically linked to a deoiling hydrocyclone. Four inflow scenarios are compared: Uncontrolled, open-loop, feasible, and infeasible closed-loop anti-slug control, respectively. Three PID controllers’ coefficients are kept constant for all the tests: The separator pressure, water level, and hydrocyclone pressure-drop-ratio (PDR) controllers. The simulation results show that the separation efficiency is significantly larger in the closed-loop configuration, probably due to the larger production rates which provide a preferable operation condition for the hydrocyclone. It is concluded that both slug elimination approaches improve the separation efficiency consistency, but that the closed-loop control provides the best overall separation performance. Full article
(This article belongs to the Special Issue Offshore Oil and Gas Transportation)
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14 pages, 4626 KiB  
Article
Pressure Signal Analysis for the Characterization of High-Viscosity Two-Phase Flows in Horizontal Pipes
by Lizeth Torres, José Noguera, José Enrique Guzmán-Vázquez, Jonathan Hernández, Marco Sanjuan and Arturo Palacio-Pérez
J. Mar. Sci. Eng. 2020, 8(12), 1000; https://doi.org/10.3390/jmse8121000 - 8 Dec 2020
Cited by 4 | Viewed by 2146
Abstract
We study a high-viscosity two-phase flow through an analysis of the corresponding pressure signals. In particular, we investigate the flow of a glycerin–air mixture moving through a horizontal pipeline with a U-section installed midway along the pipe. Different combinations of liquid and [...] Read more.
We study a high-viscosity two-phase flow through an analysis of the corresponding pressure signals. In particular, we investigate the flow of a glycerin–air mixture moving through a horizontal pipeline with a U-section installed midway along the pipe. Different combinations of liquid and air mass flow rates are experimentally tested. Then, we examine the moments of the statistical distributions obtained from the resulting pressure time series, in order to highlight the significant dynamical traits of the flow. Finally, we propose a novel correlation with two dimensionless parameters: the Euler number and a mass-flow-rate ratio to predict the pressure gradient in high-viscosity two-phase flow. Distinctive variations of the pressure gradients are observed in each section of the pipeline, which suggest that the local flow dynamics must not be disregarded in favor of global considerations. Full article
(This article belongs to the Special Issue Offshore Oil and Gas Transportation)
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