Restrictions on emissions are being imposed by regional and international shipping organisations, which raise the question of which marine fuel and technology can most effectively replace heavy fuel oil and diesel engines. The aim of this study is to…
Amongst the innumerable challenges that permeate the production chain of heavy oils, the transportation stage deserves to be highlighted. Due to its high viscosity, heavy oils exhibit considerable flow resistance, requiring auxiliary mechanisms to…
Rice hull-derived SiO2/C composites are promising anode materials for Li-ion battery, but it is a challenge to improve their lithium storage performance by a simple method. In this research, SiO2/C composites were prepared by heating rice hull char…
The process of heavy crude oil steam cracking using semi-flow (with respect to water) and steadystate regimes at 425C without catalyst is investigated. It is established that in the case of a semi-flow regime, water acts predominantly as a physical…
In this study, first of its kind complete plant scale integration of pre-combustion CO2 capture method with Chemical Looping Reforming (CLR) of Natural Gas (NG), Water Gas Shift (WGS) process, CO2 capture and CO2 compression in a combined cycle power…
Coupled with detailed catalytic reaction mechanism, the exhaust reforming process in a fixed bed reactor was simulated using a porous media model to investigate the reforming characteristics under different initial conditions. The effects of gas…
Air assisted cyclic steam stimulation (AACSS) process is a novel technique for enhanced heavy oil recovery, which is efficient and economically attractive compared with other non-condensable gases and solvents injection-based techniques. In this…
Shengli Oilfield is rich in heavy oil resources, and steam stimulation is the main development method. Most of the reservoirs face problems such as low recovery and serious steam enthalpy. The study of flow field distribution law has become the focus…
This paper presents a detailed study of the SAGD dilation start-up technology, including the fundamental mechanism, numerical model, field operations, and well performance in PetroChina's Karamay "super" heavy-oil reservoir. Rock dilation refers to a…
The NHR-200 reactor in China adopts the noncondensable gas self-stabilizing control and the noncondensable gas used for pressure stabilization control can weaken steam condensation heat transfer in the integrated steam-gas pressurizer. A condensation…
After successful implementation of data analytics for steamflood optimization at the Mukhaizna heavy oil field in Oman late 2018, Occidental expanded the project to two additional areas with a total of 626 wells in 2019, followed by full field…
A modular multiple thermal fluid generator is introduced to enhance heavy oil production, which consists of water treatment system, fuel injection system, air compressor, central burning and heat exchanging system, and measuring and controlling…
Producing bitumen using SAGD requires a significant amount of water and energy, resulting in a large amount of greenhouse gas emissions. Therefore, reducing the steam-oil ratio (SOR) in SAGD is critical to make the oil recovery process profitable and…
Growing interest in liquefied natural gas (LNG) as a rocket fuel demands reliable prediction and an improved understanding of the changes in its composition arising from the preferential boil-off of lighter components during long duration storage.…
Steam injection has been the thermal Enhanced Oil Recovery (EOR) to develop heavy and extra heavy crude oil reservoirs worldwide. However, oil price volatility, trends in the energy transition, and steam injection carbon footprint are influential…
CO2-rich natural gas fields are left abandoned because of the large amount of energy required for the complete separation of CO2 and the relatively low CH4 content. To utilize such natural gas, this study investigated the direct transformation of CO2…
The thermal action on the layer forms the basis of process SAGD method that leads to a change in viscosity of the heavy oil, an increase of pressure in the vicinity of steam drainage area, and also in overlying and underlying rocks. All of this…
Physical and numerical simulations of subsurface upgrading by use of solvent deasphalting (SSU-SDA) at laboratory conditions will be presented with a heavy crude oil and propane as a solvent. In this work, 1D propane-flood experiments were performed…
Growing interest in liquefied natural gas (LNG) as a rocket fuel demands reliable prediction and an improved understanding of the changes in its composition arising from the preferential boil-off of lighter components during long duration storage.…
The measurement of void fraction in multiphase flow is important for a wide range of industrial processes. Existing methods for void fraction measurement require intrusive, expensive and potentially hazardous equipments which constrict the flow,…
CO2-rich natural gas fields are left abandoned because of the large amount of energy required for the complete separation of CO2 and the relatively low CH4 content. To utilize such natural gas, this study investigated the direct transformation of CO2…
This paper reports on the latest advances regarding water/steam addition to liquid-fuel combustion systems for the development of sustainable energy through NOx reduction. The review focuses on applications of steam injection to achieve…
Physical and numerical simulations of subsurface upgrading using solvent deasphalting (SSU-SDA) at laboratory conditions will be presented using a heavy crude oil and propane as solvent. In this work, propane flood experiments were carried out in a…
Physical and numerical simulations of subsurface upgrading by use of solvent deasphalting (SSU-SDA) at laboratory conditions will be presented with a heavy crude oil and propane as a solvent. In this work, 1D propane-flood experiments were performed…
Physical and numerical simulations of subsurface upgrading using solvent deasphalting (SSU-SDA) at laboratory conditions will be presented using a heavy crude oil and propane as solvent. In this work, propane flood experiments were carried out in a…
Abstract: A combination of the syngas generation and methanol synthesis steps by pressure is considered to obtain methanol from oil- and gas-fields flare gases. The combined process is thermodynamically analyzed within 7001100C and 210 MPa for flare…
In the energy optimization of delayed coker, fractionation, heat exchange and utility are the key points. During the integration between fractionation and heat exchange, integrated optimization model (mixed integer nonlinear programming model) was…
Pyrolysis has been identified as a possible process for producing alternative fuels from thermal degradation of residue materials. In this work, a steam distillation process was applied to extract a light fuel fraction from tire pyrolysis oil. The…
Recharge mechanism and waterrock interaction (WRI) along the recharge flows in a transitional geothermal system that characterize the chemical and physical properties of vapor and liquid phases, has not yet been fully understood due to complexities…
In recent years, the addition of a hydrocarbon condensate (C4 to C20) to steam operations (such as CSS and SAGD) in heavy oil and bitumen reservoirs has emerged as potential technology to improve not only oil recovery and but also energy efficiency.…
Normally, the recovery effect of a heavy-oil reservoir gradually deteriorates after multiple rounds of cyclic steam stimulation (CSS). However, the injection of flue gas can effectively increase the utilization degree of steam heat energy, which…
The thermal action on the layer forms the basis of process SAGD method that leads to a change in viscosity of the heavy oil, an increase of pressure in the vicinity of steam drainage area, and also in overlying and underlying rocks. All of this…
Steam injection in heavy oil recovery often reaches the economical limit. Factors such as steam-oil ratio, generation costs, formation injectivity, reservoir pressure and heat losses are critical for the viability of these projects. This works…
Steam is widely used to enhance heavy oil recovery, whereas it is implemented as just an auxiliary thermal source when treating oily sludge. In this study, steam jet was for the first time introduced to simultaneously reclaim and purify oil from…
Key challenges to seismic imaging of shallow heavy oil recovery in North Kuwait include how to acquire high quality seismic data, and how to carry out seismic inversion and quantitative interpretation (QI) for reservoir characterization. Kuwait Oil…
This paper investigates the performance of a pilot linear Fresnel steam generator, for Enhanced Oil Recovery (EOR), under the climatic conditions of Kuwait. Simulation results are compared to previously published results from a similar pilot…
The development of giant fields of extra-heavy crude oil (XHO), through the massive application of thermal EOR processes, involves investments of several millions of dollars. It is a technical challenge to evaluate, by means of numerical simulation,…
There are a lot of sludge generated in oil production and storage processes, usually complicated chemical processes are involved to treat the sludge effectively, and high cost and environmental pollution are always extremely heavy burden for Liaohe…
Heavy oil has long been known as one of the main energy sources due to the huge amount of reserves. Heavy oil production depends on reservoir characteristics like permeability, reservoir pressure as well as oil viscosity. The difficulty to produce…
Physical and numerical simulations of subsurface upgrading using solvent deasphalting (SSU-SDA) at laboratory conditions will be presented using a heavy crude oil and propane as solvent. In this work, propane flood experiments were carried out in a…
Physical and numerical simulations of subsurface upgrading by use of solvent deasphalting (SSU-SDA) at laboratory conditions will be presented with a heavy crude oil and propane as a solvent. In this work, 1D propane-flood experiments were performed…
Amongst the innumerable challenges that permeate the production chain of heavy oils, the transportation stage deserves to be highlighted. Due to its high viscosity, heavy oils exhibit considerable flow resistance, requiring auxiliary mechanisms to…