B.Tech III Year II Semester (R18)
This course is aimed to give an understanding of the principles and basic practice
of surface production operations. The objective is to provide with a working knowledge of the current methodologies used in design of oil and gas handling systems and surface facilities. Principles and rules of designing and selecting the main components of petroleum production systems will be discussed.
The student would be able to perform engineering calculations related to
production tubing design for single-phase and two-phase flow in oil and gas wells.
The production facility: Various types of facilities Process selection: Controlling the process-Operation of a control valve: Pressure control- Level control- Temperature control- Flow Control- Basic system configuration: Wellhead and manifold- Separation- initial separation pressure- Stage Separation, Selection of Stages, Process flow sheet- Oil treating and storage- Lease automatic custody transfer- Water treating – Compressors- Gas dehydration- Well testing- Gas lift- Offshore platform considerations.
Two phase oil and gas separation: Functional sections of a gas-liquid separator- Inlet diverter section- Liquid collection section- Gravity settling section- Mist extractor section- Equipment description of different separators- Scrubbers- Slug catchers- Selection considerations- Vessel internals- Mist extractors. Three phase oil and water separation: Equipment description- Horizontal separators- Derivation of equation- Free-water knockout- Flow splitter- Horizontal three-phase separator with a liquid “Boot”- Vertical separator
Crude oil treating: Equipment description of various treaters and heaters- Indirect and fired heaters- Waste heat recovery- Heater sizing- Vertical heater-treaters- Coalescing media- Horizontal heater treaters- Electrostatic heater-treaters- Oil dehydrators- Emulsion treating theory- Age of the emulsion- Agitation- Emulsifying agents- Demulsifiers- Field optimization- Changing the demulsifier- Demulsifier troubleshooting- Emulsion treating methods- General considerations- Chemical addition- Amount of chemical- Bottle test considerations- Chemical selection.
Oil desalting systems: Oil desalting systems-Equipment description of desalters- Mixing equipment- Globe valves- Spray nozzles- Static mixers- Process description- Single stage desalting- Two stage desalting. Crude stabilization: Introduction- Basic principles- Process schemes- Equipment description- Stabilizer tower- Trays and packing- Stabilizer reboiler- Cooler- Reflux system- Feed cooler- Heater and stabilizer as a gas-processing plant.
Produced water treating systems: Disposal standards- offshore & onshore operations- Characteristics of produced water- Scale removal- Controlling scale using chemical inhibitors- Sand and other suspended solids- Dissolved gases- Oil in water emulsions- Dissolved oil concentrations- Dispersed oil- Toxicants- Gravity separation- Coalescence- Dispersion- Flotation- Filtration- Equipment
R18 B.TECH PETROLEUM ENGG. III YEAR
description-Skim tanks and vessels- Types of configurations- Pressure vs atmospheric vessels- Retention time and performance considerations.
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