Well Testing, Oil Production Field & Process Operations

Well Testing, Oil Production Field & Process Operations

OBJECTIVES

• Recommend a well test design,
• Know the various models applicable to well test interpretation,
• Perform well test interpretation with the help of a software package.
• About well inflow performance and its impact on processing facilities
• About oil, gas, and water compositions and properties needed for equipment selection and sizing
• How to recognize and develop solutions to operating problems in oil processing facilities

WHO SHOULD ATTEND?

Engineers with practical knowledge of well testing operations and basic interpretation theory, Process/facilities engineers, senior operating personnel, and production chemists

COURSE OUTLINE

FUNDAMENTALS ON WELL TESTING 0.5 d

• Principle and objectives of well testing
• General configuration of DST string and surface equipment: fundamental functions to achieve and corresponding tools
• General sequence of operation for well testing, elements about well-test interpretation and expected results:
• case of an oil well – case of a gas well

FORMATION FLUIDS SAMPLING 0.5 d

• Why sampling, stakes Sampling methods:
• down hole sampling
• surface sampling
• Implementation

TESTING EQUIPMENT 2 d

• Characteristics and implementation of:
• down hole tools
• subsurface equipment (if subsea well head)
• surface equipment
• measuring equipment (pressure, temperature, flow rate)

WELL PREPARATION AND SUPERVISION 2 d

• Operational program working out and responsibility:
• Objectives
• basis data safety rules Equipment selection:
• perforating equipment
• down hole, subsurface and surface equipment
• Well test implementation:
• organization
• equipment preparation
• testing program
• well preparation
• safety instructions
• running in hole the DST string
• selection of the ΔP on the formation
• well test program implementation
• killing the well
• isolation / well abandonment

Fluid Properties

• Specific Gravity and Density
• Characterization of Petroleum fluids
• Oil, Water and Emulsion Viscosity
• Gas Solubility and Formation Volume Factor
• Properties of Naturally Occurring Fluids
• Transportation of petroleum fluids

Two Phase Separation

• Horizontal Vs. Vertical Vessels
• Introduction and Equipment Description
• Vessel Internals and Theory
• Oil / Water Separation and Treating
• Water Treating Measurement and Instrumentation
• Two-phase and Three-phase oil and gas systems
• Two phase and three separation operations selection and procedures

Three Phase Separators

• Introduction and Equipment Description
• Potential Operating Problems

Crude Oil Treating Systems

• Introduction and Emulsion Treating Theory
• Treating Equipment
• Equipment Sizing and Theory

Desalting of Lease Crude Oil

• When Salt must be removed ? Salt Occurrence.
• Controlling Amount of Salt in Crude
• The Desalting Process and Desalting Equipment
• The Electrostatic Desalted
• Measurements in oil and gas operations and integrated surface production system team.

Piping Systems and Design Criteria

• Introduction and Fluid Flow Equations
• Line Size Criteria, Well Thickness, Standards and Requirements
• Pressure Rating Classes
• Pumps and pumping system
• Compressors and compression systems

Gas Measurement

• Orifice Meters and Calculations
• Reservoir and Lift Review
• Valves
• Safety Systems
• Fowling, Manifolds, and Gathering Systems
• Mechanical Equipment
• Gathering and Processing Facilities
• Impact of Corrosion