Multinode Intelligent-Well Technology for Active Inflow Control in Horizontal Wells
- Kai Sun (Baker Hughes) | Boyun Guo (University of Louisiana at Lafayette) | Luigi Saputelli (Hess Corporation)
- Document ID
- Society of Petroleum Engineers
- SPE Drilling & Completion
- Publication Date
- September 2011
- Document Type
- Journal Paper
- 386 - 395
- 2011. Society of Petroleum Engineers
- 6.5.2 Water use, produced water discharge and disposal, 2.3 Completion Monitoring Systems/Intelligent Wells, 2.3.3 Flow Control Equipment, 5.1.1 Exploration, Development, Structural Geology, 5.7.2 Recovery Factors, 5.4.1 Waterflooding
- drilling and completions, multi-node intelligent well system, MNIWS
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- 1,061 since 2007
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Nonequalized production influx along a horizontal or inclined wellbore is believed to be responsible for early water/gas breakthrough in oil-production wells. Nonequalized water-injection distribution has been recognized as a cause of poor sweep efficiency in waterflooding. The nonequalized fluid flow is attributed to reservoir heterogeneity and frictional pressure drop along the wellbore. A practical means of minimizing the problem is to use inflow control devices (ICDs) between isolation packers to adjust the production influx or injection distribution within the isolated compartments. However, the ICDs are passive devices (i.e., once they are set in place in a completion string, they cannot be adjusted to ensure equalized flow when reservoir conditions change during oil production or water injection). This paper introduces a new technology called the multinode intelligent well system (MNIWS) that is under development and will be soon available to the industry.
Starting with analyzing the data from an existing horizontal well with an ICD installation, a different completion design scenario was investigated for the well using the MNIWS. Computer modeling of well performance shows that the MNIWS technology suite can equalize production influx and delay water breakthrough into the horizontal wellbore more effectively than the conventional ICD completion when the inflow condition changes during the well's life.
|File Size||1 MB||Number of Pages||10|
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