08_ ESP Tech Ops _Install Overview
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Downhole Unit Installation & Pulling Overview Educational Development Center SPH Chapter 20
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08_ ESP Tech Ops _Install Overview
Transcript of 08_ ESP Tech Ops _Install Overview
Downhole Unit Installation & Pulling Overview
Educational Development Center
SPH Chapter 20
This presentation is meant to be an overview only
This presentation is not meant to replace manufacturer’s
approved procedures for installation and pulling of submersible
pumping systems
Slight deviations in the following procedure can and do occur
due to equipment &/or well site variations
Considerations
HS&E
Proper Tooling
Pre-installation Checks
Installation
Commissioning
Pulling
Guidelines / Content
SPH Chapter 20
Installation crews must comply with all BHI and operator HS&E directives
Correctly designed and certified tooling should be used to install & pull the system
Proper lifting procedures should be used so as not to damage the equipment or risk the safety of the installation crew
At any time if a condition exists that would compromise the health and safety of the crew, the job should be stopped and the condition addressed before continuing
Health & Safety
SPH 191
All tools used should be of the proper design and in
good working order
Use properly designed and certified lifting clamps
and slings
Meters should be in good condition and regularly
calibrated to insure accuracy
Proper Tooling
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All tools used should be of
the proper design and in
good working order
Proper Tooling
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Use properly designed and certified lifting clamps and slings
Proper Tooling
Serial Number and
Certification Date
Appropriate
Equipment for
Clamp Design
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Meters should be in good
condition & regularly
calibrated to insure
accuracy
Proper Tooling
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Locate and verify equipment
Position equipment for lifting
Document serial numbers & specifications
Do pre-install equipment checks
Assess site risks
“Tool Box Talk”
Prepare work site
Pre-Installation
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Locate and verify equipment
Position equipment for lifting
Pre-Installation
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Document serial numbers & specifications
Pre-Installation
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Do pre-install equipment checks
Motor electrical checks
Cable electrical checks
Shaft extension checks
Pre-Installation
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Assess site risks
“Tool Box Talk”
Prepare work site
Pre-Installation
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Lift motor to servicing position
Fill motor with oil
Lower motor into well to connecting position
Lift seal servicing position and connect to motor
Fill seal with oil
Lower seal to assembly position
Lift pump / intake to servicing position and connect to seal
Lower pump to assembly position and connect tubing
Reposition unit, connect and band MLE
Installation Overview
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Lift motor to servicing position
Fill motor with oil
Lower motor into well to connecting position
Installation Overview
SPH 194
Lift seal to servicing position and connect
to motor
Fill seal with oil
Lower seal to assembly position
Installation Overview
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Seal Filling
r
Seal Filling
r
Motor
Fill
Valve
Seal Filling
r
Motor
Fill
Valve
Seal Filling
r
Motor
Fill
Valve
Seal Filling
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Motor
Fill
Valve
Seal Filling
r
Middle Guide Fill
Valve,
(Repeat Process for
Upper Guide also)
Seal Filling
Lift pump / intake to servicing
position and connect to seal
Lower pump to assembly position
and connect tubing
Installation Overview
SPH 194
Reposition unit, connect & band
MLE
Installation Overview
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Run rate should be steady, but allow time for cable banding / clamping
If a field cable splice is required, the process should be done per manufacturer’s specifications using proper components
Electrical readings should be taken periodically to insure insulation integrity
Care should be taken not to damage the cable in the slips
Running In Hole
SPH 195
Run rate should be steady,
but allow time for cable
banding / clamping
Running In Hole
Cable / By-pass
Tubing Clamp
SPH 195
If a field cable splice is required, the process should be done by certified personnel using the manufacturer’s approved procedures & components
Running In Hole
SPH 195
Electrical readings should be taken periodically to insure
insulation integrity
Running In Hole
SPH 195
Commissioning & Start-up
Final electrical connection of the downhole cable should be done at the junction box
Motor controller protection (voltage and current) should be set per manufacturer’s recommendation
High & low current settings may have to be disabled during startup but current should be monitored at all times
Under and over current protection should be reset after unit stabilizes
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A unit that has shut down and does not restart should be analyzed at the surface to determine if the problem can be linked to a downhole equipment failure or surface condition
If the downhole unit has failed, pulling of the unit should be done with the same care and attention that is given to the installation
Valuable information can be collected during the pulling operation that could be used when the equipment is analyzed after the pull
Pulling
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Data recorded on the pulling report should include …
– Electrical readings of cable & motor
– Any holes in tubing
– Condition of equipment outer surfaces and cable armor
– Debris in pump discharge or intake
– Pump, Seal, and Motor shaft rotation and play
– Condition of oil in seal section & motor
Pulling Report
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Summary
Any Questions?
