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Keywords: reservoir
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Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174684-MS
... The history of closed-loop seismic reservoir monitoring (CL-SRM) dates back to early 2000's with the History Matching Using Time Lapse Seismic (HUTS) project; the authors noted at the time that the proposed forward modelling step was too costly ( Gosselin 2003 ). Introduction This paper...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174583-MS
... Reservoir characterisation is critical for the success of an EOR process in any field and core data can play a vital role in development drilling programmes and recovery planning operations. Well planned field coring programmes and subsequent laboratory testing procedures can strengthen log...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174699-MS
... injection pilot on the full injection line of the Camelia reservoir. The main objectives of the single line Camelia pilot were to confirm long term operability and injectivity of polymer in the specific conditions of this deep-offshore development, and measure the in situ viscosity (sampler well...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174577-MS
...Dual-Porosity Naturally Fractured Reservoirs Several authors ( Al-Adasani 2010 ; Alvarado 2002 ; Taber 2007a, 2007b ) have postulated different approaches to EOR screening, with various complexity levels and technology applications. EOR selection in naturally fractured dual-porosity...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174570-MS
... The reservoirs are composed of multi-layered sandstone formations, which are highly laminated with interbedded shales throughout ( Webb et al., 2008 ). The field has been in production since 2007. A method of constructing high productivity and high wellbore dynamic stability wells has been...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174566-MS
... techniques could be applied successfully in onshore reservoirs in China. Challenges were also presented as the chemical flooding EOR were applied in different reservoirs. The current developments of chemical flooding EOR techniques were introduced, the chemical flooding field tests were summarized...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174571-MS
... Core Injection Mode Length (mm) Diameter (mm) K w (md) Porosity (%) Pore Volumes (ml) S wi (%) Berea SAG (low flow rates) 149.6 39.2 113 19.8 35.7 20 Reservoir SAG (high flow rates) 90.1 37.4 120 32.5 32.3 25 Reservoir (composite) Co-injection 150.3 37.6 263 30.7...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174567-MS
... The CO 2 -EOR process is handicapped by several challenges. The first challenge is the gravity override of the injected CO 2 due to density differences between the injected CO 2 and resident fluids in the reservoir. The CO 2 , being lighter, tends to rise to the top of the reservoir thereby...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174579-MS
... the gas, either immiscible or miscible, in a gravity-stable mode through the vertical wells from the top of the formation ( Rao et al., 2004 ). Due to the gravity segregation resulting from the different fluid densities at the reservoir conditions, the injected gas accumulates at the top of the reservoir...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174580-MS
... microscopic detection and electrical logging curves of newly-drilled wells and so on, we have found out petrophysical changes in reservoirs after ASP, evaluated oil displacement efficiency of different locations, and systematically analyzed influcing factors on occurrence of displacement efficiency...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174619-MS
... Abstract Field results of the developed complex intensification technology with application to carbonate reservoirs are presented in this article. The effect of this technology is obtained by complex treatment of the bottomhole zone (BHZ) with two types of specially selected chemical...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174596-MS
.... To heavy oil reservoir especially super heavy and ultra heavy oil reservoir, the viscosity of crude oil under reservoir temperature still maintains very high. During the steam injection stage, the fingering phenomenon happens with the function of pressure difference, for the reason that the viscosity...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174652-MS
... is 300 m 3 /d, soak time is 5 days and cycle steam injection volume is 6000 m 3 (first cycle is 3000~4500 m 3 due to the high initial reservoir pressure). There are 2 cold production wells designed for experimental development in the ODP(Overall Development Plan). Its limits were exposed such as low...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174604-MS
... According to the optimization of reservoir engineering design, the start-up phase is divided into five phases: during the first phase, the steam is injected and circulated for 70-90 days; during the second phase, the solvent slug is injected into the formation from injector and producer...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174627-MS
..., this study investigates polymer retention and viscosity losses. The study reservoir is a fluvial type reservoir with friable/unconsolidated sandstone units that are saturated with viscous oil. The reservoir is located in the south of Argentina. Retention and viscosity losses are the key parameters...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174592-MS
... Abstract In recent years, low salinity waterflooding (LSWF) has been a promising technique to recover oil in sandstone reservoirs. In view of research results for the last decade, it is acknowledged that substantial oil recovery beyond conventional waterflooding from sandstone is wettability...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174655-MS
... the efficiency of the whole recovery process. Also this paper could serve as an enlightenment for the exploitation of similar heavy oilfields in China. enhanced recovery thermal method Upstream Oil & Gas steam-assisted gravity drainage steam injection operation China reservoir heat loss steam...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174613-MS
... for scale-up to an economic process. Given the complexity of EOR processes and the inherent uncertainty in the reservoir description, it is a challenge to discern the properties of the EOR agent in situ in the midst of geological uncertainty. We propose the “modified Egg Model” case study to illustrate...

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