Data, Intelligence, and Software in the Oil and Gas Industry: Assessment and Prospects

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: closed (31 August 2019) | Viewed by 4480

Special Issue Editor


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Guest Editor
Chemical & Biomolecular Engineering Department, University of Houston, Houston, TX 77204-4004, USA
Interests: computer-aided systems engineering: theory and applications in chemicals, oil & gas, materials, and pharmaceuticals

Special Issue Information

Dear Colleagues,

The keywords data and intelligence have (re-)experienced enormous popularity recently, both in the popular press and in industry. The oil and gas industry quoted a number of cases where data analytics (DA), artificial intelligence (AI), and related approaches to problem-solving are claimed to have provided tangible benefits. Related software tools and practices necessitate a set of mathematical, computational, and engineering elements, which have evolved over the years. With the recent abundance of data of all kinds and ample computing power, these tools are particularly well suited for modeling, monitoring, optimization, or control of engineered systems. While some of the methods now used have existed for years, others have emerged quite recently. Nevertheless, domain expertise and physical understanding of systems remain as relevant as ever. The purpose of this Special Issue is to collect real-world examples of recent successes and challenges in the oil and gas industry, in an attempt to illustrate the capabilities of proposed tools, assess their current limitations, and present expectations for future prospects. Papers reviewing the state of the art and future needs would be particularly welcome.

Prof. Dr. Michael Nikolaou
Guest Editor

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Published Papers (1 paper)

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Research

22 pages, 17238 KiB  
Article
Numerical Simulation of the Effects of the Helical Angle on the Decaying Swirl Flow of the Hole Cleaning Device
by Jingyu Qu, Tie Yan, Xiaofeng Sun, Zijian Li and Wei Li
Processes 2019, 7(2), 109; https://doi.org/10.3390/pr7020109 - 19 Feb 2019
Cited by 2 | Viewed by 4161
Abstract
The application of the hole cleaning device in downhole is a new technology that can improve the problem of cuttings accumulation in the annulus and improve the hole cleaning effect of the wellbore during drilling. In this paper, the Reynolds Averaged Navier–Stokes model, [...] Read more.
The application of the hole cleaning device in downhole is a new technology that can improve the problem of cuttings accumulation in the annulus and improve the hole cleaning effect of the wellbore during drilling. In this paper, the Reynolds Averaged Navier–Stokes model, together with the Realizable k-ε turbulence model, are used to perform transient simulations. The effects of rotational speed, blade shape, and helical angle on the initial swirl intensity and its decay behavior along the flow direction are studied. The swirl number, the initial swirl intensity, the decay rate, the tangential velocity distribution, and the variation of pressure are analyzed. The results indicate that the swirl number of the swirl flow exponentially decays along the flow direction. The straight blade and V-shaped blade have different swirl flow induction mechanisms. Under specific drilling parameters, the critical helical angle is determined for both types of blades. When the selection of the helical angle is close to the critical value, the swirl flow will be close to the axial flow, which is of little help in hole cleaning. Moreover, the rotation direction of swirl flow will change when the helical angle exceeds the critical value. Full article
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