The current problem of the last decade in the world is the increase of oil production volume due to the extraction of its hard-to-recover reserves. The difficulty of its extraction is determined not only by the petro-physical characteristics of the…
Equilibrium interfacial tensions (EIFTs) are important in determining the oil recovery efficiency in surfactant-based enhanced oil recovery (EOR) processes, in which ultralow IFT values (less than 102 mN m1) are often needed. The dynamic IFTs (DIFTs)…
Produced water from the oil and gas industry often contains stable crude oil-in-water emulsions that are typically difficult to treat with conventional separation methods. Amine-functionalized nanoparticles have demonstrated effective destabilization…
High-Pressure Air Injection (HPAI) as an enhanced oil recovery (EOR) method has a high potential and has already been effectively applied for carbonate reservoirs development. The target object of the current research is a Kirsanovskoe oil field…
The technical advantages of air injection development of different oil reservoirs in China were introduced. Based on the latest research results of laboratory and field tests, the oxidation reaction features of both light and heavy crude oil at…
In mixed- to oil-wet reservoirs characterized by intense natural fracturing where the dominant displacement mechanism is gravity drainage, surfactant injection can lead to a shift in wettability and incremental oil production. In some cases, oil can…
Chichimene is the third most important field of Colombia, with an original oil in place of USD 3.1 million barrels, producing an extra heavy oil of around 8 API, characterized by high viscosity and reduced mobility. The estimated recovery factor was…
Polymethyl methacrylate (PMMA, organic glass) is widely used as a substitute for glass, known as organic glass. During the processing and after use, there are amount of castoff. Based on the similar framework, PMMA could be useful the feed stock to…
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…
In oil-displacement processes, a compound surfactant system is used to reduce the crude oilwater interfacial tension (IFT) via the synergistic effect of multiple surfactants. To the best of our knowledge, however, since there is no systematic…
Heavy oil reservoirs remain challenging for surfactant-based EOR, particularly in selecting fine-Tuned chemical formulations which exhibit high performances and are cost-effective. This paper reports a core-scale laboratory feasibility study, aiming…
A large amount of sludge produced in the processing of crude oil has brought great harm. In this paper, common flocculants are summarized. According to the treatment process of crude oil, flocculants are divided into organic flocculants, inorganic…
The main objective of this work is to evaluate the effect of the simultaneous use of a surfactant mixture and magnetic iron core-carbon shell nanoparticles on oil recovery via a microfluidic study based on the rock-on-a-chip technology. The…
In the process of heavy oil development, steam stimulation is usually used. In steam stimulation, the oil field is produced by depleted development after the end of shut in well. The magnitude of reservoir compressive coefficient is significant for…
Using new technologies are quite significant in the production and development of heavy oil reservoirs. In this study, the effects of microwave (MW) and ultrasonic (US) waves on the properties of Ellam heavy crude oil of the southwest oil reservoirs…
Any efficient exploitation of new petroleum reservoirs necessitates developing methods to mobilize the crude oils from such reservoirs. Here silicon dioxide nanoparticles (SiO2 NPs) were used to improve the efficiency of the chemical-enhanced oil…
Water plugging is an important objective in oil field processes owing to the increase in the water content of the produced fluids. Hence, a type active crude oil for water plugging in oil fields was prepared by optimizing the emulsifier and crude oil…
Bati Raman field, with an original oil in place of 1.85 billion barrels, is a naturally fractured carbonate reservoir containing 9-13 API extra heavy oil with viscosities varying from 300 to 600 cp. Not only a wide range of pilot EOR schemes…
Petroleum derived dissolved organic matter (DOMHC) samples were successfully cationized with barium, revealing many [M-H + Ba]+ peaks in both dark and simulated sunlight treatments. The DOMHC samples generated after light exposure exhibited a greater…
CNOOC has been involved in a pilot study to determine the efficacy of Organic Oil Recovery (OOR, a unique form of microbial enhanced oil recovery) as a means of maximising oil recovery from its Scott field. CNOOC s operated Scott asset came on stream…
With the increasing requirement of global energy resources, researchers seek for new ways to deal with unconventional crude oil resources. Using the Computational Fluid Dynamics numerical simulation method, the standard k- turbulence model and the…
Gas turbines are often the master pieces of the utilities that power Oil and Gas (O&G) installations as they most often operate in off-grid mode and must reliably deliver the electric power and the steam streams required by all the…
Soils contaminated with crude oil are rich sources of enzymes suitable for both degradation of hydrocarbons through bioremediation processes and improvement of crude oil during its refining steps. Due to the long term selection, crude oil fields are…
Most of the heavy oil productions in the world are through enhanced oil recovery (EOR) methods only and predominantly by thermal EOR techniques. This is mainly due to low primary recovery of heavy oil because of high viscosity leading to low…
The physical chemistry of the brine-crude oil interface is immensely complex as a result of the complexity of the crude oil itself, and access to the detailed phenomena occurring at this interface is extremely difficult. Understanding these phenomena…
The Triassic Chang6 extra-low permeability reservoir in Ansai Oilfield has entered the period of medium to high water cut, and the contradiction of water flooding development is increasingly prominent. The single water flooding development has…
Oil and gas companies are facing low output prices and are forced to focus on the development of mature fields. Relevant investment decisions for operators include lifetime-enhancing activities, such as drilling new wells or permanent shutdown. We…
The interfacial tension (IFT) between alkali-surfactant-polymer (ASP) solution and crude oil is an importantparameterfor evaluating the feasibility of the ASP flooding for an oil field. The IFT between six series of ASP solution and crude oil from B…
Predictions by the International Energy Agency (IEA, 2018) showed that as the world's energy system is being decarbonised, the demand of fossil fuels, especially from the petrochemicals and transportation sectors which do not have any alternative,…
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…
Abstract: The influence and effectiveness of technologies aimed at enhancing oil recovery on changes in the composition and properties of the extracted heavy oil from the Usa field have been studied. The injection into the reservoir of oil-displacing…
South part of NN reservoir, located at Bohai Bay of China, has reservoir characteristics of complex oil-water contact system, thin single pay zones of 6~8 m and heavy oil viscosity with 413~741mPas. At initial natural energy production stage, daily…
This work focuses on analyzing the electrokinetic behavior of asphaltenes of extra heavy oil. For this, electrodepositions were carried out in asphaltene solutions (4 %w/w) with two solvents of different polarities: toluene and chloroform. In…
The introduction of tight oils (shale oils) into the crude slates of many US and other refineries around the world, either by themselves or in combination with Canadian, Venezuelan and many other conventional, opportunity crudes and blending…
We examined the feasibility of stimulating methanogenic crude oil biodegradation through the combined supply of CO2 and protein-rich matter in anaerobic microcosms, without the external supply of H2, and using formation waters and crude oil collected…
The development of membranes with a superior antifouling property and high-permeation flux is extensively considered but still a challenge for handling emulsified oil foulants in wastewater. Herein, a zwitterionic nanohydrogel-grafted PVDF…
Trinidad and Tobago (TT) have been producing crude oil commercially since 1908. For the past few decades, TTs crude oil production has been in steady decline because most of the oil reservoirs are beyond the primary phase of their production. This…
Under international situation of long term low oil price, it is increasingly difficult to develop offshore oil&gas field for low economic benefits. So it is necessary to study on optimization measures to improve the economic benefits. For certain…
This paper outlines one of the first efforts by a major oil and gas company to build a net-exporting, behind-the-meter solar photovoltaic (PV) plant to lower the operating costs and carbon intensity of a large, mature oil and gas field. The 29 MWAC…
In this paper, a high-temperature heat pump (HTHP) is developed and manufactured to replace the traditional oil-fired boiler heater for crude oil heating. It extracts thermal energy from waste hot water separated from the crude oil to provide…
Jilin Oilfield in the Songliao Basin has gone through three stages of increase, stabilization and decrease in crude oil production during the development process. In this paper, the water flooding experiment was carried out by means of rock core in…
Developing nanocarriers deliver molecules to targeted locations has received widespread attention in different fields ranging from biomedical to oil and gas industries. Mesoporous Silica Nanoparticles (MSNs), where the pore size diameter ranges from…
In order to expound the effect of alkali on the interfacial properties of chemical flooding system, the interfacial rheological properties of film between heavy alkylbenzene sulfonate (HABS) solutions and Daqing crude oil in the absence or presence…
Reducing the sulfur content of crude oil and its derivatives has drawn the attention of researchers around the world to reduce environmental pollution. Desulfurization is a process used for the effective removal of sulfur from the heavy crude oil. In…
The main problem dehydration system of XinMu Oil Field at present is high dehydration temperatures,high the amount of demulsifier, increase output moisture content year by year and more and more frequent fluctuations.Through the reform to establish a…
The article notes that at present the competition in the global hydrocarbon market has intensified significantly. This is due to the complication of mining and geological conditions of occurrence of oil and gas layers, depletion of reserves in…
Bio jet fuel becomes one of the feasible solutions for jet fuel inadequate supply in Indonesia. However, study in this field by far has been limited. In this study, bio jet fuel was synthesized from Crude Palm Oil (CPO) by Hydroprocessed Esters and…