Work-over is performed after the initial completion to
re-establish commercial production or injection, repair of a mechanical problem
in the well, or plug and abandon the well. Work-over operations are usually
initiated as hydrocarbon production rates decline substantially. Undesired
fluid production could be the result of a poor primary cement job or water/gas
coning. These work-overs typically involve a remedial cement job to control the
unwanted water/gas production.
Well completion is performed at the completion of drilling
operations to establish initial production from or injection into a well.
Procedures of completion will vary depending on the completion type and the
area. For Example flowing wells can simply be perforated and put on production.
Low reservoir pressure areas often require an artificial lift mechanism (rod or
submersible pump, gas lift valves, etc.) to produce at economic rates.
This Galaxy Oil & Gas
Trainings course will highlight:
Types
of Completions
Reasons
for Work-overs and well preparation
Overview
of Surface and Subsurface Well-bore Equipment and Procedures
Barriers,
Completion and Work-over Fluids
Kick
Causes, Warning Signs, kill methods and Risk awareness and Organizing a
Well Control Operation
Training Objectives
What are the Goals?
By the end of this Galaxy Oil& Gas Trainings course,
participants will learn to:
Plan,
design, manage and execute completion operation
Improve
the overall operational performance during work-over operations
Select
or recommend completion equipment for given field conditions and
applications
Select
the most commonly used downhole tools and explain their function
Target Audience
Who is this Training Course for?
The course is designed for those involved in the
work over operations and completion design:
Production
Technologists
Production
Engineers
Operations
Engineers
Field
Technicians
Work-over
Engineers
Training Methods
How will this Training Course be presented?
Participants will engage in a highly interactive learning
experience, with a blend of class room learning, exercises, group work and
discussion. The instructor will apply a range of proven adult learning teaching
and facilitation techniques, which will address participants’ learning
preference styles. Active participation is essential, to share experiences and
expertise of the tutor, as well as the participants. We can all learn from each
other.
Organizational Impact
Organization will gain (direct and indirect) the
following:
Employees
who receive training have increased confidence and motivations;
Lower
cost of production –eliminates risks because trained personnel are able to
make better
Lower
turnover –brings a sense of security at the workplace which in turn
reduces labor turnover
Change
management –involvement of employees in the change process
Personal Impact
Personnel will gain the following:
Supervise
work over operations
Improve
risk awareness for work-over and completion operations
Troubleshooting
the well problems
Minimize
downtime for well operations
Prepare
full work-over program
Daily Agenda
Day One: Types of Completions
Wellhead
configuration
Functional
Requirements of a Completion
Completion
Equipment
Flow
Control Devices
Packers
Tubing
Circulation
Devices
Expansion
joints
Sub-Surface
Safety Valves
Christmas
Trees and it’s Types
Surface
Equipment
Day Two: Reasons for Work-overs and Well Preparation
Formation
damage
Sand
control
Acidizing
Corrosion
Hydraulic
fracturing
Mechanical
problems
Well
Preparations for work over
Tree
and BOP Removal/Installation
Day Three: Overview of Surface and Subsurface Well-bore
Equipment & Procedures
Blowout
Preventer Stacks and Components
Workstring
and Production Tubing
Auxiliary
Well Control Equipment
Plugs
& Packers
Verification
of Shut-in
Monitoring
and Recording During Shut-in
Preparing
for Well Entry
Wireline
Open Hole Operations
Contingency
Procedure for Wireline
Contingency
Procedures for Coiled Tubing
Contingency
Procedure for coiled tubing
Day
Four: Barriers, Completion and Work-over Fluids
Philosophy
and Operation of Barrier Systems
Levels
of Barriers
Types
of Barriers
Barrier
Management
Influx
Detection
Gas
Characteristics and Behavior
Pressure
and Volume Relationship (Boyles Law)
Workover/
Completion Fluid Functions
Liquids
and Fluid Properties
Testing
of Downhole Completion Equipment
Testing
of Well Control Equipment Connections
Well
Control Drills
Day Five: Kick Causes, Warning Signs, Kill Methods, Risk
Awareness & Organizing a Well Control Operation, Natural Flowing &
Artificial Well Work Over Programs
Well
Shut-in and Well Kill Considerations
Well
Control Problems
Objective
of Well Control Techniques
Bullheading
Volumetric
Method
Lube
and Bleed
Forward
Circulation
(Driller’s)
Method
Reverse
Circulation
Handling
Kill Problems
Potential
Impacts of a Well Control Event
Well
Integrity
Pressure
Control Equipment/Barrier Envelope Considerations
Personnel
Assignment
Plan
Responses to Anticipated Well Control Scenarios
Blockages&
Trapped Pressure in Tubing/Well-bore
Blockage
& Restricted Access in Tubing/Well-bore
Hydrates
H2S
considerations
Natural
flowing and artificial well work over programs
Case
studies
Certificate
Awarded
Certificate of Completion will be
awarded to Participants.
