The Separation of Solids and Liquids With Hydrocyclone-Based Technology for Water Treatment and Crude Processing
- Authors
- J.C. Ditria | M.E. Hoyack
- DOI
- https://doi.org/10.2118/28815-MS
- Document ID
- SPE-28815-MS
- Publisher
- Society of Petroleum Engineers
- Source
- SPE Asia Pacific Oil and Gas Conference, 7-10 November, Melbourne, Australia
- Publication Date
- 1994
- Document Type
- Conference Paper
- Language
- English
- ISBN
- 978-1-55563-460-5
- Copyright
- 1994. Society of Petroleum Engineers
- Disciplines
- 4.1.3 Dehydration, 2.2.2 Perforating, 4.2 Pipelines, Flowlines and Risers, 1.10 Drilling Equipment, 4.3.3 Aspaltenes, 4.6 Natural Gas, 4.1.5 Processing Equipment, 3.2.6 Produced Water Management, 5.4.6 Thermal Methods, 5.3.2 Multiphase Flow, 4.1.2 Separation and Treating, 3.2.5 Produced Sand / Solids Management and Control, 2.4.3 Sand/Solids Control, 4.2.3 Materials and Corrosion, 4.1.4 Gas Processing, 4.3.4 Scale, 1.6.9 Coring, Fishing
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Introduction
Hydrocyclones have been used in a variety of process industries (or over 100 years. They are a simple and effective device, but still widely misunderstood in the oil and gas industry. Hydrocyclones ideally lend themselves to numerous separation applications, overcoming conventional technical and economic operating constraints.
The objective of this paper is to "demystify" the basic operation of hydrocyclones and identify separation situations where hydrocyclones can offer significant advantages. These include a significant reduction in equipment size and weight which equates to significant costs savings on new projects, especially offshore. Hydrocyclones also provide the opportunity for additional processing capacity on existing facilities where little or no expansion space is available. Furthermore, hydrocyclones offer enhanced separation efficiencies when compared to conventional equipment.
When coupled with complementary conventional process equipment the resultant hydrocyclone based water treatment system is smaller than an equivalent conventional system. This results in an increase in process efficiency per volume utilized.
Introduction
Solid-liquid separation, or more specifically, the separation of produced sand from crude and/or water will be defined as "desanding" and that hydrocyclone a "desander". Liquid-liquid separation as applied in the removal of residual oil from produced water will be defined as "deciling" and that hydrocyclone a "deciler". The dehydration, or liquid-liquid separation of water from crude, will be defined as "dewatering" and that hydrocyclone a "dewaterer". In all cases, the discussion will be based on static hydrocyclones.
Water is one of the most used and handled fluids in the oil and gas industry. Large volumes of water are used in injection operations, and even larger volumes are a major waste by-product associated with the production of oil and gas.
Hydrocarbon production data in the Asia Pacific region' allows forecasts to be made of the amounts of produced water. Figure 1 shows total fluids production by country. These production figures emphasis the large impact water has on oil and gas producers, and why it is an issue they need to increasingly address.
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| File Size | 1 MB | Number of Pages | 16 |
