In this paper, the recursive least square algorithm is designed for the big data learning of a feedforward neural network. The proposed method as the combination of the recursive least square and feedforward neural network obtains four advantages…
Offshore transportation vessels are used for the ocean delivery of structures for oil and gas production and also for renewable energy facilities. The paper will consider the requirements of Marine Warranty Surveyor stability guidelines for temporary…
The objective of this work is to study the effect of emulsion formation on steel corrosion in a sweet environment in a laboratory scale. Field experience shows that improper sizing of pipelines in the petroleum industry is often caused by a lack of…
The oil industry consists of a great diversity of stages such as the extraction, storage, transportation, and processing of crude oil. In particular, oil storage turns out to be an area of interest for research because this specific stage is…
Emulsions are common in the oil industry, being present in the extraction and production stages. Its formation occurs with the contact of brine and crude oil under intense flow. The presence of emulsified water (dispersed droplet size, φ ≤ 50 μm) in…
In CO2 flooding, the dissolution of CO2 in produced fluid may change the stability of crude oil emulsion, thereby affecting the design/operation of the gathering pipeline and oil-water separation. The purpose of this study is to investigate the…
The effects of operating pressure and ground stress on the seepage parameters (permeability and porosity) of surrounding rock and stability and tightness of salt cavern have been investigated, and a method is proposed for safe operating pressure…
Layered MoSe2 with a large interlayer has been regarded as an attractive host for larger-sized Na+/K+ ions. Nevertheless, serious volume effects and aggregation trends upon cycling are still great challenges for sodium-ion batteries (SIBs) and…
Lithium-ion capacitors (LICs) composed of battery-type anodes with large energy densities and capacitor-type cathodes with high power densities are considered as appealing energy-storage devices. Here, a LIC with good performance is constructed using…
Palm oil contain tocol and betacarotene which has an antioxidant function to protect the oil from oxidation processPalm oil comes from different maturity have not been specifically determined their tocol and betacarotene content, and their relation…
The use of foams is a promising technique to overcome gas mobility challenges in petroleum reservoirs. Foam reduces the gas mobility by increasing the gas apparent viscosity and reducing its relative permeability. A major challenge facing foam…
to balance the intermittent of renewable power, large-scale energy storage in underground salt caverns can be utilized. And the construction and safety evaluations for these caverns become necessary. Aimed at the bedded salt rocks for energy storage,…
With the rapid development of the global economy and the adjustment of energy structure, the demand for underground salt cavern gas storage is particularly urgent. The technology of double-well cavity creation with small well spacing is a relatively…
Sloshing control is key in the offshore storage and transportation of petroleum and other liquid phased products such as liquid natural gas (LNG). It is of interest in the enhancement of the structural stability of offshore platforms and floating…
A singlecylinder marine diesel engine was modified to be operated in reactivity controlled compression ignition (RCCI) combustion mode. The engine fueling system was upgraded to a common rail fuel injection system. Natural gas (NG) was used as port…
The injection of solid stabilized water-in-crude oil emulsion to displace heavy crude oil is a new EOR method. Although high emulsion stability, which is essential for achieving the maximum process efficiency, can be obtained using nanoparticles,…
Nitrogen (N2) and Carbon Dioxide (CO2) foams have been used as hydraulic fracturing fluids for severaldecades to reduce water usage and minimize damage in water-sensitive reservoirs. These foam treatmentsrequire gases to be liquefied and transported…
Gas hydrates have drawn considerable attention in the globe because of their importance in environment and energy field. Although the hydrates in nature and synthesized in the laboratory are polycrystalline materials, the structures of their grain…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
Crude oils are extremely complex organic mixtures, composed of various constituents ranging in size, shape and polarity. Obtaining a detailed insight into the petroleum composition is of highest priority for quality evaluation of crude oils and crude…
Natural gas hydrate (NGH) is one of the potential green alternative energy sources, and its exploration and development has become one of the key directions of energy development in China. In order to solve the problem of wellbore instability in the…
Gas hydrate deposits are generally found in the shallow deepwater regions and permafrost regions. The presence of water, methane, and thermodynamic conditions (low temperature and high pressure) is critical for gas hydrate accumulation. Disturbing…
Asphaltenes represent the most polar solubility fraction of crude oil. The polar-polar interactions between asphaltene-water, asphaltene-clay, or asphaltene-asphaltene molecules can cause severe flow assurance issues in the oilfield such as formation…
Deposition in natural gas pipelines is an issue of enormous economic and security consequences. In the past, corrosion products, elemental sulfur, hydrates and sand were common deposits in these pipelines. This study demonstrates for the first time…
The objective of this work is to study the effect of emulsion formation on steel corrosion in a sweet environment in a laboratory scale. Field experience shows that improper sizing of pipelines in the petroleum industry is often caused by a lack of…
Stability and compatibility can be described by the insolubility number (IN), the solubility blending number (SBN) and the ratio (R) between them, which has become a critical index in daily refineries operation. In this work, a new methodology for…
Nitrogen (N2) and Carbon Dioxide (CO2) foams have been used as hydraulic fracturing fluids for several decades to reduce water usage and minimize damage in water-sensitive reservoirs. These foam treatments require gases to be liquefied and…
The application of supercritical CO2 (scCO2)-flooding technology is increasing worldwide. After a waxy crude oil is treated with scCO2, its composition and rheological properties are changed and the stability of its emulsion is accordingly altered as…
Manifa Central Processing Facility (CPF), the fifth largest oil field in the world, is connected by 25 manmade islands and 20 kilometers of causeways. The current production capacity of heavy crude oil at the CPF is 500,000 barrels per day (bpd). The…
Oil pipelines are normally buried at a shallow depth for protection against environmental hazard and pilferage. Because of their shallow depth of burial, they have the least known stability threat unless they pass over some hazardous region. In the…
Asphaltene precipitation plays a key role in many flow assurance problems like fouling in production facilities, pipelines and refineries. Several attempts have been made to stabilize the asphaltene and prevent its precipitation by using asphaltene…
The oil & gas gathering and transportation system is a great energy consumer in the oilfield. The energy consumption includes oil-gathering, dehydration, stability treatment, storage and transportation, and oil-gathering part accounts for 60%~80%.…
Nitrogen (N2) and Carbon Dioxide (CO2) foams have been used as hydraulic fracturing fluids for several decades to reduce water usage and minimize damage in water-sensitive reservoirs. These foam treatments require gases to be liquefied and…
With the rapid development of the global economy and the adjustment of energy structure, the demand for underground salt cavern gas storage is particularly urgent. The technology of double-well cavity creation with small well spacing is a relatively…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
This study investigates the effects of asphaltene, resin and petroleum acid on the phase inversion, stability and oil–water interface characteristics of emulsions. First, different ratios of asphaltene, resin, petroleum acid and formation water were…
Unconventional petroleum ores have been considered to be an important part of petroleum resources and an important alternative source of chemicals and energy supply. Extremely stable heavy oil–water emulsions frequently encountered in the separation…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
Hydrothermal liquefaction (HTL) biocrude is a promising source of energy with potential for co-processing with conventional fuels or as a drop-in fuel. However, it needs upgrading to reduce heteroatoms (e.g., N, S, O), improve physical properties,…
Emulsions are common in the oil industry, being present in the extraction and production stages. Its formation occurs with the contact of brine and crude oil under intense flow. The presence of emulsified water (dispersed droplet size, φ ≤ 50 μm) in…
To solve the problem of poor stability of ordinary foam in high-temperature conditions, nano-graphite (NG) was used in this study as a foam stabilizer to enhance stability. First, the foam was statically evaluated by the stirring method, and the…
The most common cause for safety relief valve malfunction is the wrong installation. This chapter covers as well the general as the specific installation recommendations for safety relief valves and devices. Installation guidelines as described in…
The trend towards a transition from fossil to renewable energy makes urgent the development of fuel-flexible burners that provides interchangeability between natural gas and a wide range of renewable gases. This study examines the fuel…
Here, smart water assisted with synthesized SiO2 nanoparticles have been utilized to prepare the foam solution. Effect of SiO2 nanoparticles on foam stability and oil displacement efficiency in carbonated pattern of glass micromodel have been…
Solidified Natural Gas (SNG) technology offers an attractive option for compact and safe, large-scale natural gas storage. Gas storage technologies are gaining traction due to the increasing demand for natural gas and the expected transition to…
In order to investigate the effect of host-guest inclusion on the stability of emulsion, two host-guest inclusion complexes (CDP-APC16 and CDP-APP4 respectively) were constructed by using cyclodextrin polymer (CDP) and amphiphilic polymers(named…
Deposition in natural gas pipelines is an issue of enormous economic and security consequences. In the past, corrosion products, elemental sulfur, hydrates and sand were common deposits in these pipelines. This study demonstrates for the first time…
Microemulsion (ME) is widely used in food, pharmaceuticals, and medical applications. In the formulation of MEs, a substantial amount of surfactant is needed to stabilize the lipo-hydrophilic interface, which may have adverse effects on biological…
Effects of alkaline pH treatment on composition, physicochemical and rheological properties, and microstructures of peanut oil body (OB) were investigated. Alkaline pH treatment could remove parts of proteins and phospholipids from OBs surface, and…