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Keywords: Efficiency
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Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174568-MS
...Conclusions Displacement efficiency of low salinity polymer flooding is significantly sensitive on initial wettability state of porous media. More water-wet systems in this study showed higher resistance and residual resistance factors and no or limited extra oil recovery by polymer...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174580-MS
...% ( Table 1-2 ). Abstract Strong base ASP flooding technology can improve swept volume, displacement efficiency and oil recovery greatly. It shows encouring prospects for sustainable development of the maturing oilfield. So In this paper, with the help of data from coring wells and newly-drilled wells...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174581-MS
... in lifting and produced liquid treatment. So alkali-free surfactant - polymer (SP) combination flooding is a green technology can solve these problems caused by alkali. The key technology of SP flooding is development low cost and high efficiency surfactants. In this paper, the novel betaine surfactant...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174596-MS
...-output ratio increased to 1:3. The success of oilfield test confirms that the in-depth blocking agents are efficient to control steam channeling. thermal method Upstream Oil & Gas SAGD enhanced recovery thermal recovery heavy oil reservoir strength reservoir gel system gelation time...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174655-MS
... around 0.4 for the whole period of N 2 -SAGD test. Influence of N<sub>2</sub> injection on steam chamber growth Abstract Injection of non-condensable gas into steam chamber during SAGD (Steam Assisted Gravity Drainage) process is a widely adopted method to improve the efficiency of heavy oil...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174693-MS
... (phased) approach is necessary in these high cost, mature offshore field environments. enhanced recovery injector Artificial Intelligence Upstream Oil &amp; Gas optimization problem platform Oil Saturation Distribution application WAG Oil Recovery Efficiency sweep efficiency infill well...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174700-MS
... In order to prove the efficiency of WAG injection, a dedicated pilot project is currently ongoing in the considered field. Two injectors were converted into WAG wells: in this way, a constant-in-time global injection rate for gas can be assured by properly alternating injection phases, without...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174683-MS
... concentration Upstream Oil &amp; Gas membrane membrane filtration polymer pressure drop enhanced recovery specification particle chlorine oil concentration ceramic membrane productivity polymer solution efficiency fouling velocity flux filtration performance permeability filtration...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174694-MS
... enhanced recovery polymer injection EOR project Implementation machine learning Upstream Oil &amp; Gas Effectiveness recovery factor waterflooding Efficiency residual oil saturation injection Oil Recovery reduction EOR technique water injection Artificial Intelligence low...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165213-MS
..., conglomerate, and high temperature and high salinity ones respectively. At present, the performance of SP flooding pilot tests in Gudong Block 6 and Gudong Block 7 of Shengli oilfield have shown good enhanced oil recovery (EOR) effect. It confirmed SP flooding could improve both of oil displacing efficiency...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165215-MS
...: acid and exothermic chemical reaction function relieve deep reservoir damage, micronucleus systems formed possess abnormal reological properties allowing to improve water flooding efficiency, CO2 as a super-critical fluid decreases oil viscosity and gas form CO2 reaches such place in the formation...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165211-MS
... and temperature resistance, good injection method and reasonable injection parameter etc. Upstream Oil &amp; Gas enhanced recovery concentration foam flooding performance injection mode chemical flooding methods Efficiency stability Oil Viscosity gas liquid ratio Pilot Test flooding foam...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165265-MS
.... The improvement in recovery due to WAG injection is attributed to contact of the upswept zones and modification of residual oil saturations and targeting the attic oil. The combination of water and gas injection in WAG improves the microscopic displacement efficiency and increases the mobile oil saturation...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165278-MS
... displacement tests showed CO2-WAG to be highly efficient recovery mechanism with 93% of the HCPV recovery potential. The PVT experiments and the coreflood injection tests, within their experimental limitations provided recovery profiles and CO2 injection characteristics to validate model predictions...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165312-MS
... the hydrocarbon from the pore space. This common practice is known as Improved or Enhanced Oil Recovery (IOR or EOR). Foam is purposely used in some of the EOR displacement processes in order to control the mobility ratio, hence improving the volumetric sweep efficiency. The efficiency of a foam displacement...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165280-MS
... proven and potential EOR methods. Both methods have suffered from limited efficiency due to gravity segregation, gas override, viscous fingering and channeling through high permeability streaks. Numerous theoretical and experimental studies as well as field applications have indicated that foaming of CO...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165262-MS
..., a few practical aspects of managing key issues in polymer flooding like- fracture growth in injectors, shear degradation of polymer solution, pattern conformance and back produced polymer has been covered in this paper. enhanced recovery polymer flood project Upstream Oil &amp; Gas Efficiency...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165274-MS
... from polymer breakthrough are being addressed to mitigate any adverse effects. Upstream Oil &amp; Gas waterflooding polymer flood project polymer injector Efficiency enhanced recovery polymer injection polymer injector fracture Oil Recovery Injection Rate reservoir viscosity...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165298-MS
... advancement enhanced recovery force balance Efficiency miscible case scaling method different model size displacement efficiency resolution heterogeneity EOR agent dispersive flow Introduction Laboratory and small scale field experiment results constitute the foundation upon which EOR proof...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144961-MS
... is key to insuring uniform vertical sweep given the minimal pressure drop across each perforation when low viscosity CO 2 is injected. Reservoir pressure within the floodable area must also be maintained (preventing leakoff) in order to maximize displacement efficiency. This is accomplished by use...

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