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Production Chemistry & Water Injection Workshop (PRO05)

    Description

    This 4-day workshop will cover the modern concepts and techniques necessary to design, specify and manage oil field production operation based on chemical engineering aspects. It provides a clear understanding of the equipment (water treatment with impact of chemical EOR) and processes (organic scale formation, corrosion, SRB and MIC) used in common oil/water separation facilities. A comprehensive overview of screening and impact of production chemicals on produced water treatment will be discussed and explained in detailed front-end engineering phase studies.

    Course Level: Advanced
    Instructor: Wolfram Kleinitz

    Designed for you, if you are...

    • A production or facility engineer, project manager, production chemist or a member of field operational staff currently or potentially involved in natural gas or oil production operations
    • Someone seeking a modern overview of sustainable improvements in the gas/oil production process

    How we build your confidence

    The course focuses on practical onsite experience. Case histories and practical examples will be subdivided into the following sections: system description, theoretical background, modern monitoring and control systems, weaknesses in treatment systems and the aspects of “over-engineering”.

    The benefits from attending

    By the end of the course you will feel confident in your understanding of:

    • Crude oil composition and their characteristics, biochemical tracers, viscosity, temperature and pressure behaviour
    • Treated water: formation water and chemical composition, solubility of organics in water and vice versa, impact of oxygen on produced and injection water
    • The definition of asphaltenes, resins and their impact on organic scale formation
    • The distinction between paraffins and waxes in production operation
    • Modern methods to analyse organic precipitates during production
    • The importance of wettability on oil/water production and their alteration
    • How to determine water quality for reinjection with focus on rest oil and suspended solids
    • Controlling the efficiency of treatment units in operation
    • The main reasons for operating non-effective treatment plants
    • Different types of production chemicals, mode of action and undesirable side effects
    • Sulphate reducing bacteria and their impact on production operation
    • Modern ways to control H2S in production units
    • SRB activity and its impact on (H2S) and scale (FeS2) formation
    • Microbial induced corrosion (MIC) and the formation of “Schmoo”
    • Biocide application or H2S scavenger dosage from the efficiency standpoint
    • Corrosion in surface production units, guidelines and inhibitor screening and testing
    • The occurrence of organic scales (asphaltenic, paraffinic) in surface units and pipelines including pigging guidelines
    • How to apply production chemicals in operation units (dosage calculation)

    Topics

    • Hydrocarbons and water properties and their physicochemical behaviour
      - PVT description, solubility, vapour pressure, viscosity, total dissolved solids
      - Appraisal of different available PVT and scale formation programs
      - Basics for oilfield water cycles and their strategy over field life-time
      - Monitoring and interpretation of gas, water and oil analysis during operation
      - Sampling recommendations and skills for special lab analysis
    • Surface production and the rules for water re-injection
      - Oil processing and their specification for transport and sales also under EOR aspects
      - Water quality for re-injection with focus on rest oil and suspended solids
      - Impact of WQR on predicting injection live-time
      - How to monitor water quality ratio in field projects
      - Importance of pH-value on treatment and water injectivity
      - Planning and operating produced water re-injection field projects
    • Sulphate reducing bacteria (SRB) and their impact on oil/water separation
      - Basic understanding of SRB in treatment systems
      - SRB and corrosion: a comprehensive overview based on current publications
      - Biocides and their operating window in field application
      - Treatment of H2S containing gas at low and high concentration
      - Processes to eliminate H2S and operate below specification limits
    • Treatment units and their efficiency
      - First step separation: horizontal vs. vertical three-phase separator
      - Treatment: tanks and their interior fittings, coalescer, flotation unit etc.
      - Post treatment: sand filter, backwash filter, clarifier, bag vs. cartridge filter
      - Central injection station (HP) vs. low-pressure lines and HP pump at injector
      - Impact and control of retention time distribution in treatment units
      - Recommendation for tracers to elucidate main weaknesses in the system
      - Structure and functionality of the modern treatment units
      - Recommendations for monitoring systems in daily operation
    • Impact of production chemicals on treatment
      - Types of production chemicals, mode of action, undesirable side effects (incompatibility)
      - Guidelines for EOR chemicals after breakthrough at producer well
      - Mode of action and screening information for demulsifier application
      - How to destroy viscosity in produced fluids at polymer breakthrough
      - Impact of foam formation on treatment efficiency and their remediation
      - Corrosion in surface production systems, modern ways of inhibitor screening and testing
      - Material selection for operation issues and practical guidelines for practical screening
      - Handling sludge formation during operation in tanks and separators
      - Recommendation for cleaning processes in treatment units
    • Organic scale formation in surface production units
      - Occurrence of organic scales like asphaltenes and resins compared to paraffins and waxes
      - Analyses and interpretation of organic precipitates in production systems
      - Formation of inorganic scale: sulphate, carbonate and other inorganic depositions
      - Screening and evaluation of current scale predicting programs on the market


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