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Keywords: SAGD
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Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203864-MS
... Summary Although the steam assisted gravity drainage (SAGD) process is still the preferred thermal-recovery process method for Athabascan deposits in Alberta, Canada, the interest in solvent-based techniques is growing due to reduce greenhouse-gas (GHG) emissions and water treatment concerns...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203866-MS
... Abstract Steam-Assisted Gravity Drainage (SAGD) is a complex process that often requires more control relative to conventional applications during production operations. Flow Control Devices (FCDs) have been identified as one of the technologies that offer improved downhole steam utilization...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203868-MS
... Abstract ConocoPhillips operates Surmont, which is the first Steam-Assisted Gravity Drainage (SAGD) project to implement Flow Control Devices (FCDs) in producer wells. This study was conducted to evaluate the production performance of different liner completion strategies. The analysis compared...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203870-MS
... Summary Late in the life of the Steam Assisted Gravity Drainage (SAGD) process, it has become common practice to drill a single, horizontal infill well (called a “Wedge Well™” by some) in the oil bank located between two mature SAGD well pairs to produce the bitumen that has been heated...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203865-MS
... control production logging steam-assisted gravity drainage production monitoring flow metering upstream oil & gas mass flow rate flow pattern nozzle geometry enhanced recovery sagd fluid dynamics flow rate coefficient experiment orifice control device geometry compressible flow...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203856-MS
... Abstract Connacher Oil and Gas has deployed Flow Control Devices (FCDs)on an infill well liner as part of a Steam Assisted Gravity Drainage (SAGD) exploitation strategy. Infill wells are horizontal wells drilled in between offsetting SAGD well pairs in order to access bypassed pay...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203869-MS
... and observation data along with failure analysis should provide vital information and possible improvement in completion strategy for steam injection wells that are planned for continuous steam flood projects in similar reservoirs. sagd seal assembly injection well enhanced recovery upstream oil...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203859-MS
... Abstract Flow control devices (FCDs) have demonstrated significant potential in improving recovery from Steam Assisted Gravity Drainage (SAGD) production wells. Passive FCDs will allow the SAGD producer well to create additional pressure drop to balance the production influx, improving overall...
Proceedings Papers

Paper presented at the SPE Thermal Integrity and Design Symposium, January 26–28, 2021
Paper Number: SPE-203854-MS
... region and within different sand control devices. The simulation results showed a higher sensitivity of well performance to shut-in for the wells in the initial stage of SAGD production. If the well is shut in during the first years, the total reduction in cumulative oil production is much higher...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198695-MS
... Abstract For ConocoPhillips, technology is a key driver and development accelerator to continuously improve its SAGD operations. The deployment of conventional Flow Control Device (FCD) technology in Surmont has allowed ConocoPhillips to realize shorter circulation times and higher oil...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198699-MS
... Abstract Temperature and pressure changes are drastic during the warm-up phase (steam circulation) of SAGD wells as a result of introducing heat to cold tubulars. These drastic changes will impact casings as well as cement. Impacts of circulation strategy (fast vs. slow warm-up) for 11...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198700-MS
... Abstract The goal of this paper is to present the philosophies for the qualification and flow loop testing of FCD nozzles as well as the macroscopic implementation and operations of FCDs in SAGD producer wells. A quantitative methodology to evaluate FCD nozzles to choke back steam...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198696-MS
... of assuming the entire section has the same reservoir properties. Injectivity calculation considering uncertainty on the reservoir properties and heterogeneity are detailed later in this document. The SAGD injector well survey is shown on Fig. 1 . Important boundary conditions in the design...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198697-MS
... steam-assisted gravity drainage (SAGD) production for nearly ten years and yet the function they serve is not well understood, and field data evaluating their performance remains scant. Thus, the purpose of the current study is twofold: Firstly, the study derives a simplified analytical model...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198690-MS
... of sustaining self flow due to immature steamflood phase. Therefore, as per the well integrity policy, all phase 1 oil producer wells are completed with one mechanical barrier at the wellhead and the well sub-hydrostatic fluids forming the primary. SAGD Steam Injector Wellhead thermal method steam...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198698-MS
... Abstract Controlling steam conformance in the horizontal injectors of SAGD projects is widely accepted as being critical for commercial success. This work is focused on steam distribution in horizontal injectors in mobile, heavy oil (non-bitumen), thermal development projects. Steam Conformance...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198704-MS
... with a known failure point in the slotted liner. It is impossible to verify slotted liner condition after the TD FCD is installed. Table 1 Failures in Surmont SAGD Producers with TD FCDs Caliper logs were run for all the failure events. Data showed failures through the base pipe...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 19–21, 2019
Paper Number: SPE-198919-MS
... Abstract In SAGD operations, the steam chamber temperature can be as high as 250°C. Foam formulations that can withstand such high temperature are required for field deployment of foam as conformance control technique. An evaluation of 12 surfactant formulations for their viability as steam...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 27–29, 2018
Paper Number: SPE-193347-MS
... cycle of the project. In SAGD wells, the collapsed oil sand around the liner undergoes a stress buildup which causes gradual sand compaction. The stress buildup is influenced by several factors such as the in-situ stresses, reservoir poroelastic and thermal expansion, and reservoir shear dilation...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 27–29, 2018
Paper Number: SPE-193349-MS
... Completion Monitoring Systems/Intelligent Wells production control Reservoir Surveillance flow control equipment steam-assisted gravity drainage CFD Simulation SAGD nozzle design production monitoring production logging Upstream Oil & Gas Simulation thermal method assessment...

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