Steam-gas-drive laboratory tests for heavy-oil recovery

Bağcı, Ali Suat
Gumrah, F
A comprehensive laboratory study was conducted for the recovery of heavy oil from a linear (1-D) and a three-dimensional (3-D) physical models, packed with 12.4 degrees API gravity heavy oil, 60000 ppm brine and crushed limestone. A total of 19 experiments were conducted to investigate the effects of injecting CH4 or CO2 along with steam by using these laboratory models. A linear model having a 6.6-cm diameter and 100-cm length was used for the first group of experiments. In the: second group, a 3-D model with 30-cm x 30-cm x 7.5-cm dimensions was used to obtain the process parameters. Temperature distributions in both models, steam and gas injection pressures, and fluid productions were recorded during the experiments.


Scaled 3-D model studies of immiscible CO2 flooding using horizontal wells
Tuzunoglu, E; Bağcı, Ali Suat (2000-05-01)
In this study, a comprehensive laboratory investigation was conducted for the recovery of heavy oil from a scaled three-dimensional (3-D) physical model, packed with 18 degrees API gravity crude oil, brine and crushed limestone. A total of 20 experiments were conducted using the scaled 3-D physical model with 30 x 30 x 6 cm(3) dimensions. Basically, four different immiscible CO2-water displacement processes were used for recovering heavy oil: (i) continuous CO2 injection, (ii) waterflooding, (iii) simultane...
Mechanical behavior of CFRP confined low strength concretes subjected to simultaneous heating-cooling cycles and sustained loading
Erdil, B.; Akyüz, Uğurhan; Yaman, İsmail Özgür (Springer Science and Business Media LLC, 2012-01-01)
This study aims to present the mechanical behavior of carbon fiber reinforced polymers (CFRP) reinforced low strength cylindrical and prism concrete specimens under both heating-cooling cycles and sustained loading. Heating-cooling cycles range from -10 to 50A degrees C and the applied sustained load level is 40% of the ultimate strength of concrete. After 200 heating-cooling cycles and/or sustained load testing, specimens were tested to determine the mechanical behavior under uniaxial compression. The expe...
GUMRAH, F; OKANDAN, E (1992-01-01)
Research on the use of the combined steam-CO2 injection process was conducted in linear and three-dimensional unscaled laboratory models to determine the performance of limestone reservoirs of the Turkish oil fields, Garzan, Bati Raman and Camurlu. This study was carried out to evaluate the benefits Of CO2 addition to steam on the recovery of 24-degrees-API, 12-degrees-API and 10.6-degrees-API gravity oils.
The effect of fractures on the steam-assisted gravity drainage process
Bağcı, Ali Suat (American Chemical Society (ACS), 2004-11-01)
This study presents an experimental investigation of the effect of fractures and well configurations on the steam-assisted gravity drainage (SAGD) process in a three-dimensional model, using 12.4degreesAPI gravity crude oil. A total of eight runs were conducted, using a 30 cm x 30 cm x 10 cm rectangular-shaped box model. Temperature distributions were observed using 25 thermocouples. Three different well configurations were investigated-a horizontal injection and production well pair, a vertical injection-v...
Chemical evaluation and kinetics of Siberian, north regions of Russia and Republic of Tatarstan crude oils
Varfolomeev, Mikhail A.; Nagrimanov, Ruslan N.; Samatov, Aizat A.; Rakipov, Ilnaz T.; Nikanshin, Alexander D.; Vakhin, Alexey V.; Nurgaliev, Danis K.; Kök, Mustafa Verşan (2016-01-01)
In this research, thermal characteristics and model free kinetics of five different degrees American Petroleum Institute gravity crude oil samples from different locations were studied using combustion calorimetry and thermogravimetry (TGA) techniques. Higher heating values of crude oils were determined from the combustion calorimetry experiments. It was shown that these values increase with an increase in saturate fraction and degrees API gravity of studied samples and decrease with an increase in viscosit...
Citation Formats
A. S. Bağcı and F. Gumrah, “Steam-gas-drive laboratory tests for heavy-oil recovery,” IN SITU, pp. 263–289, 1998, Accessed: 00, 2020. [Online]. Available: