Simulation of SAGD with FCD (Flow Control Device) for Oil Sand Reservoirs in Canada

Taehong Kim; Byungin Choi; Changwoo Hong; Lyangkyu Lee; Hosang Kim; Yongheon Kim; Oukwang Kwon

doi:10.32390/ksmer.2021.58.6.603

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2021 Vol.58, Issue 6 Preview Page Next Page

Technical Report

Simulation of SAGD with FCD (Flow Control Device) for Oil Sand Reservoirs in Canada 캐나다 오일샌드 저류층에서 FCD(Flow Control Device)를 적용한 SAGD 공법 시뮬레이션

31 December 2021. pp. 603-613

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Abstract

In this study, the operating principle of a flow control device (FCD) was analyzed when the steam assisted gravity drainage (SAGD) method was performed in an oil sand reservoir. The effect of the FCD on SAGD was confirmed via a simulation of the reservoir production. The FCD induces an additional pressure drop when the fluid passes through it, creating a uniform flow distribution along the well and improving the production efficiency. The mechanisms, advantages and, disadvantages of each type of FCD were analyzed. The simulation results showed that when the FCD was applied to the horizontal production well the cumulative oil production increased by about 9% and the cumulative steam oil ratio (cSOR) decreased by about 17%, confirming the improvement in the efficiency of the SAGD. In addition, the possibilities for the field application of FCD was suggested by analyzing the effect of the FCD installation section and time.

Keywords

flow control device (FCD)

oil sand

reservoir simulation

steam assisted gravity drainage (SAGD)

본 연구에서는 캐나다 오일샌드 저류층에서 SAGD(Steam Assisted Gravity Drainage) 공법 수행 시 FCD(Flow Control Device)의 작동 원리를 분석하고 저류층 생산 시뮬레이션을 통해 그 효과를 확인하였다. FCD는 유체 통과 시 추가적인 압력 강하를 유도하여 유정 전체에 걸쳐 균등한 유동을 만들어 생산 효율을 향상할 수 있다. FCD의 종류별 메커니즘과 장단점을 분석하였으며 오일샌드 저류층 모델 시뮬레이션을 통해 SAGD 공법 수행 시 FCD의 효과를 확인했다. 시뮬레이션 수행 결과, 수평 생산정에 FCD를 적용하였을 경우 누적 오일 생산량은 약 9% 증가하였으며 cSOR(cumulative Steam Oil Ratio)은 약 17% 감소하여 FCD의 SAGD 공법 효율성 증대 효과를 확인하였다. 또한, FCD 설치 구간 및 시점에 따른 영향을 분석하여 FCD의 현장 적용 가능성을 제시하였다.

키워드

flow control device(FCD)

오일샌드

저류층 시뮬레이션

steam assisted gravity drainage (SAGD)

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 58
No :6
Pages :603-613
Received Date : 2021-11-12
Revised Date : 2021-12-07
Accepted Date : 2021-12-27
DOI :https://doi.org/10.32390/ksmer.2021.58.6.603

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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