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Showing 1 to 20 of 27 for “"heavy oil recovery"”.
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Mass transfer studies in heavy oil recovery using solvents
"Heavy oil, sometimes called bitumen, is known for its high viscosity (above 100 cp) and low API gravity (below 22⁰). In most cases, viscosity reduction is needed for the final product. There is a considerable amount of heavy oil in Alberta, Canada and the world's largest heavy oil deposit is in …
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Application of Polymer and Nanomaterials for Improving Heavy Oil Recovery
… in Canada. A major source of energy is oil extracted from underground petroleum reservoirs. Utilizing current technology and equipment, only a small portion of oil can be produced and recovered. Steam-assisted gravity drainage (SAGD), used as a common technique to produce heavy oil in …
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An Improved Vapour Solvent Injection Technique for Enhanced Heavy Oil Recovery
There are tremendous heavy oil and bitumen resources in Canada, and most of them are located in the Western Canadian Sedimentary Basin. Thermal-based recovery techniques, such as steam flooding, cyclic steam stimulation (CSS), and steam-assisted gravity drainage (SAGD), are effective and have been …
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A Comprehensive Study and Mechanism Investigation for Alkaline-Heavy Oil Recovery Process
… is an important branch of chemical enhanced oil recovery (EOR). The complexity of alkaline flooding study is mainly embodied by its chemical reaction required by alkalis to react with oil acids. Consequently, in-situ surfactants are generated for various emulsification phenomenon. It is known …
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Heavy Oil Recovery by Gas Assisted Gravity Drainage in Naturally Fractured Reservoirs
… to the NFR, is often limited to the primary recovery. Only recently, the industry has started to implement Enhanced Oil Recovery (EOR) techniques in such reservoirs. With advancements in the data acquisition technologies, it is now possible to determine the fracture direction, length, …
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Experimental Study of Heavy Oil Recovery Mechanisms during Cyclic Solvent Injection Processes
… has shown to be a promising method for enhanced heavy oil recovery in Canada. CSI laboratory studies work for only 2 to 3 cycles due to low incremental oil in subsequent cycles whereas field pilots continue for years over multiple cycles This experimental study is intended to capture the …
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Characterization of Gas-Oil Flow in Cyclic Solvent Injection (CSI) for Heavy Oil Recovery
… (CSI) has emerged as an effective post-CHOPS recovery method. It has shown a great potential with the aid of the solvent injection under the huff-n-puff operation. The use of solvent that maintains a strong nature of gas results in the solvent chamber which under the huff-n-puff operation …
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Investigating the effect of perforation diameter and carbon dioxide bubble size distribution on heavy oil recovery
… petroleum reserves. To address this challenge, heavy oil has been considered as a strategic petroleum resource that can be produced intensively to supplement the global supply of conventional hydrocarbons. In recent years, thermal-based techniques, such as cyclic steam stimulation (CSS) and …
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Design and real-time process optimisation of steam assisted gravity drainage for improved heavy oil recovery.
Introduction to the Canadian Oil Sands, Canadas Oil Sand Industry: An Overview, Heavy Oil Technologies, and so many other topics about heavy oil have become the hotcakes in the oil industry. A number of new projects are in Execute phase for the development of heavy oil assets. This clearly shows …
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The Impact of Surface Modified Nanoparticles on the Performance of Polymer Solutions for Heavy Oil Recovery
The use of polymer flooding as an enhanced oil recovery (EOR) method to achieve a more uniform volumetric sweep of the reservoir has increased over the past ten years. However, chemical, thermal and mechanical degradation of the polymers reduce their viscosity, which affects their performance. …
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Heavy oil recovery by combined solvent and hot water (CS-HW) injection: Experimental, numerical and data mining-based analysis
… and optimized in a two-well configuration for heavy-oil recovery which combines solvent injection using different solvents such as carbon dioxide (CO2), methane (CH4) and propane (C3H8) with a moderate reservoir heating by hot-water flooding (HWF) as a solution to enhanced heavy oil recovery …
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Rheology and Flow Behaviour of Non-Newtonian, Polymeric Fluids in Capillaric and Porous Media: Aspects Related to Polymer Flooding for Enchanced Recovery of Heavy Oil
Heavy oil reservoirs under consideration for polymer flooding typically contain greater than 85% of the original oil in place (OOIP) after primary recovery and waterflooding. Many of these fields are operated at high producing water/oil ratios (WORs) only marginally above their economic limit due …
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Experiment Study of Non-Equilibrium Phase Behavior and Effect of External Vibration on Heavy Oil Production
In this thesis, two types of heavy oil experiments were explored to study the heavy oil non-equilibrium phase behavior and the influence of external vibration on heavy oil production performance. The first experiment was to use a Constant Composition Expansion and Compression (CCEC) tests to …
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Laboratory Investigation of Polymer-flooding, ASP-flooding, and Foam-flooding in Heavy Oil System
… become the most effective techniques for Alberta heavy oil reservoirs. However, thermal techniques cannot be applied to many reservoirs, such as deep reservoir or reservoir with thin pay because heat losses will be too severe. Water flooding is an alternative but it can only achieve a very low oil …
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In-Situ Upgrading and Recovery Enhancement of Athabasca Bitumen by Ultra-Dispersed Nanocatalysts
Thermal methods are extensively used to extract heavy oil and bitumen with reasonable recovery percentages to compensate for the light oil production decline in recent years. In addition, new technologies are tested to increase the value of the produced liquids. Nanoparticles technology is emerging …
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Experimental and Modelign of Foam Physics in Porous Media
… reservoir sweep in gas-injection enhanced oil recovery (EOR) projects. Predictive modeling efforts are hindered by many complex rheological characteristics shared by foams, including a yield stress, non-Newtonian viscosity, finite shear modulus and slip at the wall, etc. (Reinelt and …
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Analytical design method for cold production of heavy oil with bottom water using Bilateral Sink Wells
Few heavy oil reservoirs with strong bottom water drives have been developed successfully because of severe water coning. Water coning tends to cause low ultimate recovery, low well productivity, and high water production. Although thermal and gravity-assisted methods might improve recovery in oil …
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