Production Chemistry – Scale Management
Understanding of scale formations and their prevention/remediation are important for seamless operation of oil and gas production facilities. Scale formation may be due to changes in temperature, pressure, out-gassing, shifts in pH, and contact with incompatible brines. INTECSEA personnel have extensive experience in the management of scales along with their prevention and remediation.
Specific capabilities include:
- Reviewing and characterizing brines for their incompatibilities, and identifying scaling tendency for varying produced and injected brines in the formation, wellbore, flowlines, and topsides.
- Performing analysis and modeling of produced brines and produced brine mixed with seawater and/or injection water for scale precipitation, scale dissolution, scaling index and scaling brine properties including electrical conductivity, pH, thermophysical properties, and acid gas effects.
- Coordinating test programs and performing quality control for laboratory measurements of PVT properties, compositional properties, viscosities, brine properties and compatibilities, pH, acid gas effects, scales precipitations and particle sizes.
- Performing line sizing and throughput analysis of chemical inhibitor injection systems.
- Evaluating scale inhibitors and their compatibility with other chemicals (e.g., MeOH, glycols, corrosion inhibitors) and system materials, and providing design and chemical recommendations.
- Estimating scale inhibitor dosages and delivery/injection locations needed to prevent/remediate scale precipitation.
- Providing guidelines on operability issues.
- Providing expertise in the state-of-the-art software needed for scale analyses including OLI ScaleChem/StreamAnalyzer and PVTSim for scale and PVT analyses, and Pipesim, Olga-2000 and Olga-Version 5 for thermal-hydraulic analysis.
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