Jai Krishna Sahith

University of Aberdeen | ABDN · School of Engineering

This chapter presents the advances and progress on the use of machine learning in corrosion. Specifically, the use of machine learning to predict corrosion rate in pipelines.

In the chapter, the use of machine learning in the oil and gas industry is briefly presented with emphases on the current trends in the oil and gas models. Also, the use of machine learning in the oil and gas upstream is discussed with highlights on the recent advancement on the use of AI in the oil and gas industry. The challenges facing the appli...

This work presents the effect of hydrogen sulfide gas on the phase behavior of both methane gas hydrate formation and CO2 gas hydrate formation. For this, the thermodynamic equilibrium conditions for various gas mixtures containing CH4/H2S and CO2/H2S are initially found by simulation using PVTSim software. These simulated results are compared usin...

Gas Hydrate modelling has gained huge attention in the past decade due to its increase in usage for various energy as well as environmental applications at an industrial scale. As the experimental approach is highly expensive and time-consuming, modelling is the best way to predict the conditions before the actual applications at industrial scales....

Almost 40% of undiscovered hydrocarbon reserves have high CO 2 and H 2 S concentrations around the globe. So it is crucial to understand these hydrocarbon systems' thermophysical properties for the excellent design of production facilities. An experimental investigation is conducted in this study to understand and evaluate the thermodynamic conditi...

The study presents the effect of freezing point depression and hydrogen bonding energy interaction on four ammonium hydroxide-based ionic liquids (AHILs) of gas hydrate systems. The AHILs investigated are tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, and tetrabutylammonium hydroxide. The considered hydr...

Gas hydrates are progressively becoming a key concern when determining the economics of a reservoir due to flow interruptions, as offshore reserves are produced in ever deeper and colder waters. The creation of a hydrate plug poses equipment and safety risks. No current existing models have the feature of accurately predicting the kinetics of gas h...

Picture processing is a stand-alone, non-human image comprehension system that is one of the major breakthroughs (IUS). When one tries to explain what comprehension is, the effort of comprehending images becomes massive. In addition to classical signal processing, pattern recognition and artificial intelligence are applied. The early phases of the...

Gas hydrates are a major flow assurance problem in the oil & gas industry. If not treated well, they pose a major threat to pipeline failure. In this work, a simple statistical correlation is developed for the prediction of gas hydrate formation temperature. For this, initially, the thermodynamic equilibrium conditions for various gas mixtures are...

In this work, a prediction model is developed to determine the gas hydrate formation kinetics in multiphase gas dominant pipelines with crude oil. The model is developed with the usage of Artificial Neural Networks (ANN). Firstly, experiments were conducted to determine the rate of formation and reaction kinetics of hydrates formation in Gas + wate...

This chapter covers the conventional technologies, including thermal, membrane, solar evaporation, and freeze‐thaw desalination processes. It also gives an overview of how gas hydrate‐based desalination can help in treating wastewater. Each technology is described in detail, showing how the process works and reporting some data on the state of deve...

This chapter provides a detailed discussion on various renewable energy sources for desalination, and power system performance analysis by using hybrid systems. Water and energy are two essential components of human life that influence the growth and development of society. Renewable energy is becoming more popular as technology improves. Employing...

This chapter covers the application of ANN in wastewater and freshwater treatment processes. Artificial intelligence (AI) is being used in water treatment to overcome the drawbacks of traditional approaches. AI has emerged as a potent tool for resolving real‐world issues, and its applications in different fields have sparked a lot of interest. Its...

In this work, an experimental and modelling study is performed to identify the phase behaviour of gas hydrates formation for a high CO2 content natural gas system and multiphase gas dominant system. Further, CSMGem, PVTSim, and Aspen HYSYS software packages are used to verify the prediction capabilities for gas hydrates formation conditions. Initia...

Gas hydrates is one the most complex flow assurance problems encountered in pipelines. The gas hydrate formation in pipelines eventually leads to the blockage of pipelines interrupting pipeline operations and affects transmission safety. Over the years, many mitigation techniques are employed to resolve gas hydrate issues in pipelines. But it is eq...

The estimation of thermodynamic equilibrium conditions of methane hydrates in the presence of crude oil based on experiments is shown in this research work. This pipeline system replicated the gas-dominant multiphase transmission pipelines at deep-sea regions. An experimental study is done by the usage of a Raman gas hydrate reactor. The pressure w...

As the new type of green solvents, Deep eutectic solvents (DESs) might be the key to a better future. This mini review presents a brief discussion on the applications of DESs especially in oil and gas sector published in the past half a decade. Several reviews made on applications of DESs in different sectors are also highlighted for readers' perus...

In this research, an experimental investigation was carried out in the existence of gasoline on the Carbon Dioxide hydrate. This was done to replicate or Understanding the development of gas hydrates in multi-phase transmission pipelines. The experiments are conducted in a Rocking cell Gas hydrate reactor, and thermodynamic equilibrium conditions a...

Carbon capture, utilization, and storage (CCUS), has been deemed an essential component for climate change mitigation. Commercialization of CCUS requires an efficient transportation method of the captured carbon dioxide (CO2). Previous works have investigated the technological aspects for conventional CO2 transportation by pipelines and ships, alon...

In this work, an experimental investigation has been carried out to understand the Kinetic behavior of gas hydrates formation in a multiphase gas dominant pipeline system. The multiphase system consists of Crude oil, Natural Gas system with high Carbon dioxide and deionized water. Experiments are conducted using the Raman Gas hydrate reactor with t...

This research is focused on understanding the phase behavior of gas hydrate formation in the gas dominant multiphase pipelines containing mixed gas with high co 2 , crude oil, and deionized water. The experimental conditions are in the pressure range of 3-7 MPa with water cut as 20% of the volume. Initially, the effect of high CO 2 content in natur...

In this work, a gas hydrate formation and dissociation study was performed on two multiphase pipeline systems containing gasoline, CO2, water, and crude oil, CO2, water, in the pressure range of 2.5–3.5 MPa with fixed water cut as 15% using gas hydrate rocking cell equipment. The system has 10, 15 and 20 wt.% concentrations of gasoline and crude oi...

Understanding gas hydrate formation and disassociation processes are crucial to managing their risks or utilizing this technology for different applications. Conducting an experiment under all conditions are impractical, costly, and time-consuming. Therefore, it is more practical to use models that could predict all required parameters. In the pres...

In Transportation or transmission of Deep water hydrocarbon transportation pipeline, the hydrocarbon flow can decrease due to the growth of gas hydrates which lead to additional operational cost and time constraints. The monitoring of Deepwater transmission pipelines is quite crucial as they are operated at high pressures and low temperatures. So,...

This book offers a straightforward, informative guide to the chemicals used for gas hydrate formation and inhibition, providing the reader with the latest information on the definition, structure, formation conditions, problems, and applications of gas hydrates. The authors review not only the inhibitors used to prevent or mitigate hydrate formati...

Salaya Mathura Pipeline (SMPL) is one of the major crude oil pipelines in India stretching over a length of 1870Km Starting from Salaya (near Vadinar) in Jamnagar district on the coast of Gujarat totransport crude oil to Indian Oil refineries at Koyali (Gujarat), Mathura (Uttar Pradesh) and Panipat (Haryana). In light of the expansion of crude refi...