A simple 3-D physical model has been developed to investigate the use of horizontal producer wells in in situ combustion processes. The semi-scaled 3-D model was a rectangular box with 40 cm by 40 cm by 10 cm dimensions. Dry in situ combustion experiments were conducted with three different well configurations: (1) a vertical injector and horizontal producer, (2) a vertical injector and two horizontal producers, and (3) injector and producer, both vertical. A matrix of 60 thermocouples was used to obtain temperature profile information, in the vertical and horizontal mid-planes. Most experiments were conducted with sandpacks containing a high saturation of heavy crude oil So(i) congruent-to 0.80. For each horizontal well configuration, the effect of oxygen flux and oxygen enrichment (21% and 3.5% oxygen) was investigated.


Analytical investigation of wet combustion process for heavy oil recovery
Bağcı, Ali Suat (Informa UK Limited, 2004-12-01)
Analysis of combustion tube data produced from experiments performed under realistic reservoir conditions is currently the most valid method of investigating in-situ combustion process. In this study, the optimization of water-air ratio for B. Kozluca heavy crude oil, and the comparison of the performance of dry and wet forward combustion processes were studied. An analytical model was used to extend the laboratory results so that the oil production and steam zone volume can be estimated under field conditi...
Determination of Rheological Models for Drilling Fluids (A Statistical Approach)
Kök, Mustafa Verşan (Informa UK Limited, 2004-01-16)
A rheological model conventionally characterizes non-Newtonian drilling fluids. Parameters of the rheological models are estimated by explicitly solving the required number of equations simultaneously. Rheological models are stochastic and this study considers only the deterministic part of the model. Observed data is accepted as arising from randomness due to the system. A nonlinear least squares method is applied to readings of 6 standard Fann viscometer speeds in order to estimate the models' parameters....
A stochastic approach in reserve estimation
Kök, Mustafa Verşan (Informa UK Limited, 2006-12-01)
Geostatistics and more especially stochastic modeling of reservoir heterogeneities are being increasingly considered by reservoir analysts and engineers for their potential in generating more accurate reservoir models together with usable measures of spatial uncertainty. Geostatistics provides a probabilistic framework and a toolbox for data analysis with an early integration of information. The uncertainty about the spatial distribution of critical reservoir parameters is modeled and transferred all the wa...
Investigation of combustion process through horizontal wells
Bağcı, Ali Suat (Informa UK Limited, 2005-04-15)
Dry combustion was accomplished with the application of different horizontal well configurations in a 3-D model using high gravity oil. Seven experiments using Raman crude oil (18 degrees API) were carried out in the laboratory with a 40 cm square 3-D model having a thickness of 15 cm. Five different well configurations were applied to recover Raman crude oil. The model was packed by tamping a mixture of crushed limestone, water and crude oil. A total of 36 thermocouples were used at the top, center and bot...
Enhanced Coalbed Methane Recovery with Respect to Physical Properties of Coal and Operational Parameters
Balan, H. O.; Gumrah, F. (Society of Petroleum Engineers (SPE), 2009-08-01)
Modelling desorption-controlled reservoirs is a difficult matter owing to the complex nature of hydrocarbon transport processes. The complexity of enhanced coalbed methane (ECBM) recovery is not only caused by desorption-control led behaviour of coalbed reservoirs, but also the interaction between coal media and the injected CO(2)/N(2) gas mixture, which changes the coal properties with respect to injection time. In addition, the characterization of coal reservoirs and the determination of in situ coal prop...
Citation Formats
M. GREAVES, A. TUWIL, and A. BAGCI, “HORIZONTAL PRODUCER WELLS IN INSITU COMBUSTION (ISC) PROCESSES,” JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY, pp. 58–67, 1993, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/66994.