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Keywords: reservoir
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Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117643-MS
... of these production techniques is a priority. Steam Assisted Gravity Drainage (SAGD) is a common thermal technique used in Athabasca reservoirs. Although SAGD is effective at producing bitumen, its energy efficiency can be poor due to enormous heat losses on the surface and in the wellbore. Given current attention...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117244-MS
... thermal efficiency are discussed in this simulation study. First, it is well understood that the significant oil mobilization process during SAGD occurs at the periphery of the steam chamber where steam transfers heat to the reservoir rock and bitumen. However, once the SAGD steam chamber is well...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117221-MS
...Introduction The Court Bakken heavy oil reservoir is located in west central Saskatchewan, approximately 100 km from the Alberta border, as shown in Figure 1 . The pool was discovered in 1982 and primary development started in the same year. The 17° API heavy oil is produced from the Middle...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117313-MS
... marginal heavy oil reservoir or small block reservoirs or offshore reservoirs. In field practice, the fluids injection rate can be controlled with either concentric or parallel tubing strings. Reservoir numerical simulation was used to determine the formation thickness lower limitation for different...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117335-MS
... Abstract L Block is a super-deep heavy oil reservoir with the degassed oil viscosity of 9,680∼12,000mPa.s @50☐, 2800∼3300 m deep with normal pressure system and 80∼95☐ in the reservoir. The GOR is 12m 3 /m 3 and the initial bubble point pressure is only 4MPa. High oil viscosity and low...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117327-MS
... are advised to start waterflooding early and maintain the voidage replacement ratio (VRR) at 1. The study, however, produced surprising results for 2 parameters − among the 120 reservoir and operating parameters investigated − that ran counter to the recommended practices of classical light waterflooding...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117394-MS
... The experiment was performed on the reservoir sand pack with the length of 52 cm and the diameter of 2.5cm. The permeability of the sand pack was 5,650 md and the porosity is 33%. The initial oil saturation was 88%. The simulated reservoir pressure was 13MPa and the reservoir temperature was 68ºC...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117644-MS
... Abstract Fracture dominated two-phase flow is important not only for naturally fractured petroleum reservoirs but also for underground disposal of radioactive waste, geothermal hydrotransport, as well as underground water and aquifer flow. In contrast with gas-liquid flow in a single fracture...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117525-MS
... in directional drilling and measuring while drilling (MWD) technologies have allowed for improved wellbore to reservoir contact, thereby enabling higher sweep efficiencies. This is essential in maximizing the reserves and accounting for complexities including reservoir heterogeneities. Well Pair B Steam...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117471-MS
.... A detailed and close-to-reality" image" of spatial distribution of rock properties is required for implementation of an effective reservoir management strategy. Among these, the most difficult to determine and predict is permeability. Conventional log response and traditional log interpretations do not have...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117675-MS
.... Abstract Despite the many publications about the production mechanisms of heavy oil reservoirs, there is still no consensus as to what is behind the anomalous production rates observed in some reservoirs in Venezuela and Canada. Many authors attribute the recovery of a much higher fraction of the original...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117571-MS
... oil recovery processes, shear dilation has been reported as a mechanism that enhances the fluid conductivity of the reservoir medium. Even though dilation is typically adjusted as a history matching variable, one of the main problems encountered with that procedure is the huge disparity in production...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117693-MS
... There are several other advantages of electrical heating over the steam based processes. The primary application of electrical heating could be in reservoir containing swelling clays. Introduction of steam in this case reduces the permeability of the formation and reduces injectivity. Application...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117682-MS
... This type of heating process stimulate oil recovery primarily by reducing the oil viscosity in the near wellbore area and secondly by thermal expansion of reservoir fluids. The key parameters to be understood in this process are the viscosity variation of the heavy oil with temperature...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117684-MS
... Combustion with heavy hydrocarbon vapor injection on the same heavy oil reservoir. This paper with the help of an example case study, gives a detailed explanation of this combination technique as an integrated unit and its various advantages over using just a single technique. thermal method Upstream...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117622-MS
... using a representative sector model from a field with fluid and reservoir characteristics from an eastern Venezuela formation. Due to the complexity and number of variables involved in the process, SAGD presents multiple challenges from the design and analysis phases to its final implementation...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117581-MS
... Cold heavy oil production with sand (CHOPS) is a non-thermal recovery method used in unconsolidated heavy oil reservoirs in Alberta and Saskatchewan, Canada. In this process sand and oil are produced together in order to enhance the oil recovery. This process has proven to be economically...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117821-MS
... and geologically characterised with the aim of in-situ thermal extraction methods, such as SAGD. Reservoirs in this region consist of tidally-influenced channel sands and open estuarine tidal sand bars. There are, however, new plays being discovered in the northwestern part of the AOSA that represent strikingly...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117638-MS
... thermal method oil sand enhanced recovery steam-assisted gravity drainage bitumen Upstream Oil & Gas oil production combustion performance multi-layered heavy oil reservoir Oil Recovery complex reservoir SAGD Thickness feasibility experiment numerical simulation heavy oil...
Proceedings Papers

Paper presented at the International Thermal Operations and Heavy Oil Symposium, October 20–23, 2008
Paper Number: SPE-117626-MS
... Abstract In heavy-oil recovery, although steam injection has no alternative in many circumstances, it may not be an efficient process under certain reservoir conditions. These conditions include deep reservoirs, where steam injection may turn out to be ineffective hot-water flooding due to excessive heat...

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