Enhanced oil recovery

INTRODUCTION Oil and Gas refers to the naturally occurring liquid and natural gas specifically made up of long chain hydrocarbons and various organic compounds found beneath the surface of the earth in entrapments called reservoirs; the presence of oil and gas in these reservoirs is the reason humans survive everyday and carry out their daily activities effectively. Different activities are usually carried out to ensure that the oil and gas present in the reservoirs continue to support humans

Introduction With almost 200 billion barrels of technically recoverable oil reserves located in the United States alone, it is not surprising why so many companies are adopting enhanced oil recovery techniques in everyday operations (“Total energy”, 2012). Oil production can be broken down into three main components: primary, secondary, and tertiary recovery. Primary recovery is when the well is first drilled and the natural pore pressure of the rock squeezes hydrocarbons out of the pore space.

Advanced Secondary Recovery PNGE 633 Term Paper: Selection Methodology for Enhanced -Oil -Recovery Methods Mohamed Elsaig 10/18/2016 1. Overview The paper introduces how selecting a methodology for enhanced oil recovery methods depends on good planning includes selecting the applicable EOR process, Characterizing the reservoir, defining parameters of the engineering design, accomplish field tests as needed , studying economic, and completing with a plan to achieve the project expectations

COMPARATIVE STUDY OF VARIOUS ENHANCED OIL RECOVERY METHODS Study Project Report,2nd semester, 2015-16 Prepared by:- Kaveri Singh (2012B2A1621P) Mentor : Dr. Utkarsh Maheshwari Chemical Engineering Department Acknowledgements I feel immense pleasure and pride of being part of “Birla Institute Of Technology And Science, Pilani” which moduled me to the present state. I acknowledge my deep sense of gratitude towards Dr Utkarsh Maheshwari , my mentor for his constant guidance and advice. Last but not

According to the U.S. Department of Energy there are various methods of enhanced oil recovery (EOR) which give oil producers the potential to produce 30 to 60 percent (or more) of a reservoir’s original oil. There are three commercially successful categories of EOR which include thermal recovery, gas injection and chemical injection. There are pros and cons to each category of EOR and each has a different associated environmental impact and risk. Additionally, each method has different potential

1. Introduction Currently, demand for oil in the United States is growing. However, production of oil through the conventional methods has decreased. Moreover, since 1970, the oil reserves in the U.S. have been falling by about 3.8% per year, as there is a slowdown in oil discoveries (OTA 1978). Thus, application of new technologies to improve the extraction of oil is essential. One of the proven techniques to eliminate this problem is enhanced oil recovery (EOR) method. It is known that implementation

2.1 Enhanced Oil Recovery Oil recovery is traditionally subdivided into three stages: Primary, Secondary, and Tertiary. However, reservoir production operations are not always conducted in the specified order, for example, the tertiary process may be applied at secondary stage instead of water flooding. The term “tertiary recovery” is not widely used in petroleum engineering literature and the term of “enhanced oil recovery” (EOR) became more accepted in today’s industry. Another description occasionally

distortion through porous media where it has a great influence on the sweep efficiency in Enhanced Oil Recovery processes. Furthermore, it can be considered as the most crucial factor that strongly affects the hydrocarbon recovery efficiencies, especially in heterogeneous reservoirs. Therefore, quantifying the effects of heterogeneity and anisotropy is an essential step in reservoir simulation and Enhanced Oil Recovery (EOR) studies as that leads to determine the optimal design of EOR process implementation

The production of oil from most commercially viable reservoirs is generally described by three stages termed natural recovery, supplementary recovery and enhanced recovery processes. The recovery processes are used in consecutive order and the shift between methods is usually governed by whether the subsequent production method is economic or not. The production of oil has a very wide range of efficiency, described as the recovery factor (RF). No matter if any single recovery process is efficient

Oil has been one of the main source of energy in the world for the past decade. Oil industry has been growing ever since with the growth of demand for oil. At the beginning, the oil industry’s main focus was the search for oil fields and the discovery of new reservoirs. But since the conventional ways of extracting oil result in the recovery of a small portion of the available oil, the oil industry shifted its focus onto finding new ways to extend the life of the discovered wells and extract as much