Upgrading And Enhanced Recovery Of Jobo Heavy Oil Using Hydrogen Donor Under In Situ Combustion PDF Download
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| Author | : Samir Huseynzade |
| Publisher | : |
| Total Pages | : |
| Release | : 2008 |
| Genre | : |
| ISBN | : |
Download Upgrading and Enhanced Recovery of Jobo Heavy Oil Using Hydrogen Donor Under In-situ Combustion Book in PDF, ePub and Kindle
In-situ upgrading of oil using hydrogen donors is a new process. In particular, very little research has been conducted with respect to in-situ oil upgrading using hydrogen donor under in-situ combustion. Several papers describe the use of metal additives mixed with oil and their influence on oil properties such as viscosity and API gravity. The main objective of my research is to determine if a catalyst mixed with a hydrogen donor (tetralin) is going to affect the Jobo crude oil properties while undergoing in-situ combustion. Six runs were performed with Jobo crude oil (9-11°API) from the Orinoco Belt in Venezuela. Four of the runs were successful. Two of them are base runs; the remaining ones are with tetralin with concentration of 5 wt% (of oil) and catalyst with concentration of 750 ppm. For all runs, the following were kept constant: the air injection rate (3 std. L/min) and production (combustion tube outlet) pressure, 300 psig. Concentration by weight of oil, water, and sand in the samples were approximately 4.8%, 4.2%, and 91% respectively. Oil viscosity at the end of combustion at 40°C decreased from 42.3 and 73.6 to 16.6 and 25.2; API gravity at the end of combustion increased from 18.4 and 16.8 to 20 and 18.8. Oil recovery is higher; combustion front velocity is faster in the case of additives, water production decreased. Since oil viscosity decreased and API gravity increased oil moves faster and consequently combustion time is lower.
| Author | : Zhiyong Zhang |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : |
Download Experimental Study of In-situ Upgrading for Heavy Oil Using Hydrogen Donors and Catalyst Under Steam Injection Condition Book in PDF, ePub and Kindle
This research is a study of the in-situ upgrading of Jobo crude oil using steam, tetralin or decalin, and catalyst (Fe(acac)3) at temperatures of 250 °C, 275 °C and 300 °C for 24 hours, 48 hours and 72 hours using an autoclave. Viscosity, API gravity and compositional changes were investigated. We found that tetralin and decalin alone were good solvents for heavy oil recovery. Tetralin or decalin at concentrations of 9% (weight basis) could reduce the Jobo crude oil viscosity measured at 50 °C by 44±2% and 39±3%. Steam alone had some upgrading effects. It could reduce the oil viscosity by 10% after 48 hours of contact at 300°C. Tetralin, decalin or catalyst showed some upgrading effects when used together with steam and caused 5.4±4%, 4±1% and 19±3% viscosity reduction compared with corresponding pre-upgrading mixture after 48 hours of reaction at 300°C. The combination of hydrogen donor tetralin or decalin and catalyst reduced the viscosity of the mixture the most, by 56±1% and 72±1% compared with pre-upgrading mixture. It meant that hydrogen donors and catalyst had strong synergetic effects on heavy oil upgrading. We also found that 300 °C was an effective temperature for heavy oil upgrading with obvious viscosity reduction in the presence of steam, hydrogen donors and catalyst. Reaction can be considered to have reached almost equilibrium condition after 48 hours. The GC-MS analysis of the gas component showed that light hydrocarbon gases and CO2 were generated after reaction. The viscosity reduction from decalin use is larger than that of tetralin because decalin has more hydrogen atoms per molecule than tetralin. A mechanism of transferring H (hydrogen atom) from H2O and hydrogen donors to heavy oil, which can lead to structure and composition changes in heavy oil, is explained. The study has demonstrated that in-situ heavy oil upgrading has great potential applications in heavy and extra heavy oil recovery.
| Author | : Ahmad A. A Mohammad |
| Publisher | : |
| Total Pages | : |
| Release | : 2008 |
| Genre | : |
| ISBN | : |
Download Experimental Investigation of in Situ Upgrading of Heavy Oil by Using a Hydrogen Donor and Catalyst During Steam Injection Book in PDF, ePub and Kindle
Experiments were conducted to investigate the feasibility of in situ upgrading of heavy oil by the use of an orgametallic catalyst and a hydrogen donor (tetralin). The experiments used a vertical injection cell into which a mixture of sand, water, and Jobo oil was thoroughly mixed and packed. Two types of runs were conducted: a run where the tetralin and catalyst were mixed within the mixture before packing into the cell, and the other was conducted by injecting a slug of the tetralin-catalyst solution before commencing with the steam injection. The Jobo oil used had an oil gravity of 12.4° API and a viscosity of 7800 cp at 30°C. The injection cell was placed in a vacuum jacket and set to a reservoir temperature of 50°C. Superheated steam at 273°C was then injected into the injection cell at a rate of 5.5 cc/min (cold water equivalent). The cell outlet pressure was maintained at 500 psig. Produced liquid samples were collected periodically through a series of separators. The produced oil was divided into two halves and several measurements and analyses were carried out on them. These included viscosity, density, elemental analysis and liquid composition. Experimental results indicated that tetralin alone was a worthy additive and increased recovery by 15% compared to that of pure steam. The premixed tetralincatalyst run showed improved recovery to that of pure steam by 20%. Experiments also showed that, when the tetralin-catalyst solution was injected rather than mixed, the results were equivalent to tetralin injection runs. Oil production acceleration was displayed by all the runs with tetralin and tetralin-catalyst but was more pronounced with the availability of catalyst.
| Author | : James G. Speight |
| Publisher | : Gulf Professional Publishing |
| Total Pages | : 839 |
| Release | : 2019-02-28 |
| Genre | : Technology & Engineering |
| ISBN | : 0128130261 |
Download Heavy Oil Recovery and Upgrading Book in PDF, ePub and Kindle
Heavy Oil Recovery and Upgrading covers properties, factors, methods and all current and upcoming processes, giving engineers, new and experienced, the full spectrum of recovery choices, including SAGD, horizontal well technology, and hybrid approaches. Moving on to the upgrading and refining of the product, the book also includes information on in situ upgrading, refining options, and hydrogen production. Rounding out with environmental effects, management methods on refinery waste, and the possible future configurations within the refinery, this book provides engineers with a single source to make decisions and manage the full range of challenges. Presents the properties, mechanisms, screening criteria and field applications for heavy oil enhanced recovery projects Includes current upgrading options and future methods for refining heavy oil development Fills in the gaps between literature and practical application for everyday industry reference
| Author | : Muayad Mohammed Hasan |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
Download Enhanced Recovery of Heavy Oil Using a Catalytic Process Book in PDF, ePub and Kindle
| Author | : United States. Department of Energy |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 1977 |
| Genre | : Secondary recovery of oil |
| ISBN | : |
Download Enhanced Recovery of Oil and Gas Book in PDF, ePub and Kindle
| Author | : Yousef Hamedi Shokrlu |
| Publisher | : |
| Total Pages | : 170 |
| Release | : 2014 |
| Genre | : Oil reserve engineering |
| ISBN | : |
Download Enhancement of Heavy Oil/bitumen Thermal Recovery Using Nano Metal Particles Book in PDF, ePub and Kindle
Cyclic steam stimulation (CSS) and steam assisted gravity drainage (SAGD) are the most commonly applied techniques used for heavy oil (HO) and bitumen (B) recovery. However, these methods, especially CSS, suffer from low recovery factor and production of highly viscous oil that requires additional up-grading treatment for transportation. The objective of this dissertation is to overcome such problems by application of metal nano-particles as catalysts. During the steam stimulation process, a series of reactions, called aquathermolysis, occur among oil, water and reservoir matrix. These reactions tend to break down the complex and big organosulfur compounds in the asphaltene fraction of the HO/B by cleaving the C-S bonds. Catalyzing these reactions can provide significant upgrading of the oil at the temperature range of steam stimulation. This catalysis can be achieved by using transition metal nano-particles. In this research, nickel, which is commercially used in many catalysis processes in the industry, is used for this purpose. Initially, the interactions of the nickel nano-particles with oil and water at different temperatures are studied, and the effect of the concentration, size and type of the catalyst on the process is evaluated. Next, a methodology is proposed to efficiently stabilize and inject the metal nano-particles into heavy oil reservoirs for catalysis purpose. Also, the degree of catalysis of the aquathermolysis is determined by studying the kinetics of the aquathermolysis and catalytic aquathermolysis of heavy oil. Finally, the effect of this catalysis on the recovery factor of the model cyclic steam stimulation is studied experimentally. In addition to steam injection dominated by aquathermolysis reactions, the influence of the nickel ionic solution on the low temperature oxidation during in-situ combustion is studied through TGA-FTIR and kinetic analysis. It is concluded that the quality of the produced oil can be significantly improved by using the nickel nano-particles during steam stimulation or in-situ combustion. The recovery factor of the above mentioned recovery processes also increases due to decreasing oil viscosity in the reservoir by catalysis. This method can significantly improve the economics of the thermal heavy oil recovery projects and decrease the complexities of heavy oil transportation and ex-situ upgrading.
| Author | : M. M. Schumacher |
| Publisher | : William Andrew |
| Total Pages | : 438 |
| Release | : 1980 |
| Genre | : Technology & Engineering |
| ISBN | : |
Download Enhanced Recovery of Residual and Heavy Oils Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2009 |
| Genre | : |
| ISBN | : |
Download Sovent Based Enhanced Oil Recovery for In-Situ Upgrading of Heavy Oil Sands Book in PDF, ePub and Kindle
With the depletion of conventional crude oil reserves in the world, heavy oil and bitumen resources have great potential to meet the future demand for petroleum products. However, oil recovery from heavy oil and bitumen reservoirs is much more difficult than that from conventional oil reservoirs. This is mainly because heavy oil or bitumen is partially or completely immobile under reservoir conditions due to its extremely high viscosity, which creates special production challenges. In order to overcome these challenges significant efforts were devoted by Applied Research Center (ARC) at Florida International University and The Center for Energy Economics (CEE) at the University of Texas. A simplified model was developed to assess the density of the upgraded crude depending on the ratio of solvent mass to crude oil mass, temperature, pressure and the properties of the crude oil. The simplified model incorporated the interaction dynamics into a homogeneous, porous heavy oil reservoir to simulate the dispersion and concentration of injected CO2. The model also incorporated the characteristic of a highly varying CO2 density near the critical point. Since the major challenge in heavy oil recovery is its high viscosity, most researchers have focused their investigations on this parameter in the laboratory as well as in the field resulting in disparaging results. This was attributed to oil being a complex poly-disperse blend of light and heavy paraffins, aromatics, resins and asphaltenes, which have diverse behaviors at reservoir temperature and pressures. The situation is exacerbated by a dearth of experimental data on gas diffusion coefficients in heavy oils due to the tedious nature of diffusivity measurements. Ultimately, the viscosity and thus oil recovery is regulated by pressure and its effect on the diffusion coefficient and oil swelling factors. The generation of a new phase within the crude and the differences in mobility between the new crude matrix and the precipitate readily enables removal of asphaltenes. Thus, an upgraded crude low in heavy metal, sulfur and nitrogen is more conducive for further purification.
| Author | : Marcel Latil |
| Publisher | : Editions TECHNIP |
| Total Pages | : 258 |
| Release | : 1980 |
| Genre | : Petroleum |
| ISBN | : 9782710810506 |
Download Enhanced Oil Recovery Book in PDF, ePub and Kindle
Contents : 1. Factors common to all enhanced recovery methods. 2. Water injection. 3. Gas injection in an oil reservoir (immiscible displacement). 4. Miscible drive. 5. Gas recycling in gas-condensate reservoirs. 6. Thermal recovery methods. 7. Other methods of enhanced recovery. References. Index.
