scholarly journals Fluids Behaviors in Heavy Oil Production - Water-in-Oil Emulsion, CO2-Gas Foam and In-Situ Combustion

2014 ◽  
Vol 79 (6) ◽  
pp. 391-397
Author(s):  
Kyuro Sasaki ◽  
Yuichi Sugai ◽  
Chanmoly Or ◽  
Yuta Yoshioka ◽  
Junpei Kumasaka ◽  
...  
Keyword(s):  
Heavy Oil ◽  
Oil Production ◽  
Oil Emulsion ◽  
Production Water ◽  
Water In Oil Emulsion

In-Situ Steam Generation A New Technology Application for Heavy Oil Production

2016 ◽  
Author(s):  
Ayman R. Al-Nakhli ◽  
Luai A. Sukkar ◽  
James Arukhe ◽  
Abddulrahman Mulhem ◽  
Abdelaziz Mohannad ◽  
...  
Keyword(s):  
Heavy Oil ◽  
New Technology ◽  
Oil Production ◽  
Steam Generation ◽  
Technology Application

In-Situ Catalytic Aquathermolysis Combined with Geomechanical Dilation to Enhance Thermal Heavy-Oil Production

2017 ◽  
Author(s):  
Yuxing Fan ◽  
Xinge Sun ◽  
Xing Mai ◽  
Bin Xu ◽  
Mingzhe Dong ◽  
...  
Keyword(s):  
Heavy Oil ◽  
Oil Production ◽  
Catalytic Aquathermolysis

scholarly journals Development of Chitosan Microspheres through a Green Dual Crosslinking Strategy Based on Tripolyphosphate and Vanillin

Molecules ◽  
2021 ◽  
Vol 26 (8) ◽  
pp. 2325
Author(s):  
Rodolpho Fagundes Correa ◽  
Giovana Colucci ◽  
Noureddine Halla ◽  
João Alves Pinto ◽  
Arantzazu Santamaria-Echart ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Sodium Tripolyphosphate ◽  
Attractive Alternative ◽  
Focused Attention ◽  
Chemical Crosslinking ◽  
Oil Emulsion ◽  
Bioactive Properties ◽  
Water In Oil Emulsion ◽  
Physical Crosslinking

Microencapsulation procedures have recently focused attention on designing novel microspheres via green synthesis strategies. The use of chitosan (CS) as an encapsulating material has increased interest due to its unique bioactive properties and the various crosslinking possibilities offered by their functional groups. The consolidation of the microspheres by physical crosslinking using sodium tripolyphosphate (TPP) combined with chemical crosslinking using vanillin (VA) open new opportunities in the framework of green dual crosslinking strategies. The developed strategy, a straightforward technique based on an aqueous medium avoiding complex separation/washing steps, offers advantages over the processes based on VA, mostly using water-in-oil emulsion approaches. Thus, in this work, the combination of TPP crosslinking (3, 5, and 10 wt.%) via spray-coagulation technique with two VA crosslinking methods (in situ and post-treatment using 1 wt.% VA) were employed in the preparation of microspheres. The microspheres were characterized concerning morphology, particle size, physicochemical properties, thermal stability, and swelling behavior. Results revealed that the combination of 5 wt.% TPP with in situ VA crosslinking led to microspheres with promising properties, being an attractive alternative for natural bioactives encapsulation due to the green connotations associated with the process.

scholarly journals Half a century of continuous oil production by in-situ combustion in Romania – case study Suplacu de Barcau field

2021 ◽  
Vol 343 ◽  
pp. 09009
Author(s):  
Gheorghe Branoiu ◽  
Florinel Dinu ◽  
Maria Stoicescu ◽  
Iuliana Ghetiu ◽  
Doru Stoianovici
Keyword(s):  
Oil Recovery ◽  
Heavy Oil ◽  
Oil Production ◽  
Oil Field ◽  
Oil Reservoir ◽  
In Situ Combustion ◽  
Cyclic Steam Stimulation ◽  
The Impact ◽  
Steam Stimulation

Thermal oil recovery is a special technique belonging to Enhanced Oil Recovery (EOR) methods and includes steam flooding, cyclic steam stimulation, and in-situ combustion (fire flooding) applied especially in the heavy oil reservoirs. Starting 1970 in-situ combustion (ISC) process has been successfully applied continuously in the Suplacu de Barcau oil field, currently this one representing the most important reservoir operated by ISC in the world. Suplacu de Barcau field is a shallow clastic Pliocene, heavy oil reservoir, located in the North-Western Romania and geologically belonging to Eastern Pannonian Basin. The ISC process are operated using a linear combustion front propagated downstructure. The maximum oil production was recorded in 1985 when the total air injection rate has reached maximum values. Cyclic steam stimulation has been continuously applied as support for the ISC process and it had a significant contribution in the oil production rates. Nowadays the oil recovery factor it’s over 55 percent but significant potential has left. In the paper are presented the important moments in the life-time production of the oil field, such as production history, monitoring of the combustion process, technical challenges and their solving solutions, and scientific achievements revealed by many studies performed on the impact of the ISC process in the oil reservoir.

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