Water Unloading of Gas Wells Using the Concurrent-Water-Collection Method
- Behrokh Khoshnevis (University of Southern California) | Mahdi Yoozbashizadeh (California State University, Long Beach) | Iraj Ershaghi (University of Southern California)
- Document ID
- Society of Petroleum Engineers
- SPE Production & Operations
- Publication Date
- August 2019
- Document Type
- Journal Paper
- 473 - 484
- 2019.Society of Petroleum Engineers
- water lifting, deliquification, water unloading, gas wells
- 4 in the last 30 days
- 152 since 2007
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In this paper we describe a novel method for water unloading of natural gas wells in mature reservoirs experiencing low reservoir pressures. Current methods for water unloading from gas wells have at least one of the drawbacks of restricting gas production, requiring external energy, using consumable surfactants, or being labor intensive. The proposed design offers a new approach to water unloading that does not restrict or interrupt gas production. It can operate without external energy, and uses no consumables. Virtual and physical simulators have been developed and the full-scale version of the concept has been studied in test wells to demonstrate the feasibility and performance of the new water-unloading concept. An industrial-grade preproduction prototype was tested successfully in a test gas well to validate this study.
|File Size||913 KB||Number of Pages||12|
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