In Well Barrier Integrity Testing and Documentation · Norsok D-010 Background General Industry...
Transcript of In Well Barrier Integrity Testing and Documentation · Norsok D-010 Background General Industry...
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In Well Barrier Integrity Testing and Documentation
11th April 2019
Presented by : Arild Stein
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Who are we?
Across 18 loca6ons globally
400+ employees across the
globe
Headquartered in Stavanger, Norway
Trondheim facility – Engineering and
technology exper6se, ISO test facility, Large
stock of tools
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• Product design & testing done after ISO 14310 V / API 11 D1
• Manufacture and Support Service Org. audited after a Quality System ISO 9001 or equivalent
• Delivered goods is tested in well with a Pressure test 5 + 15 min. Norsok D-010
Background General Industry Barrier Requirements Today
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Electronic Setting Tool (EST)
Product Benefits • Shortest electronic
seNng tool on the market
• Non-explosive • Field reseQable • Bluetooth connec6vity • Data log to confirm
correct seNng • Real 6me capabili6es
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EST - Installation Verification Signature
EST Installa4on Profile of 325-450 ME Bridge Plug • 1– Shear Screws indica6on
• 2 - Slips Engage in Tubing wall.
(4 ½” 12.6 # Tubing)
• 3 – Element compressing against tubing wall
• 4 – Final load prior to shear off
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Barrier Installation Verification - Base Line Signature
Load
Bar
a
Load
Lbf
Tool Travel mm
66 click
38 click
53 click
Collected EST profiles • All API standard Pipe. (4 ½” 12.6 # Tubing)
• Installed over 4 decades 1970-2000
• 3 different countries on the North Sea
• Now with over 3500 intalla6on profiles
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Case Study: Use of installation measurement
A Customer in the Norwegian CS needed to secure a well with a dual Deep set barrier.
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Installation Verification Comparison, Plug I & II
Secondary Pack off
Shear off
Mandrel Travel
Bottom Plug Green Upper Plug Red
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Barrier Verification System (BVS)
Product Benefits • Records pressure and
temperature across an installed barrier
• Provides documentable verifica6on of a barrier
• Memory or E-line read out versions available
• Wireless reading of data • Allows verifica6on of two
barriers installed in close proximity
The BVS has been designed to verify a barrier afer seNng. The BVS consists of two parts; a transmiQer placed below the barrier, and a receiver mounted above the EST. Verifica6on is achieved by recording the pressure and temperature readings across the installed barrier whilst pressure tes6ng is taking place.
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Barrier Verification System, Typical Application
• 350-700 HEX Plug set and tested in 7” liner.
• Run in hole with 420-550 ME fitted with BVS and set in 5 ½” Tubing.
• Due to small volume between barriers, upper plug integrity unable to be confirmed via pressure test
• Pressure test upper plug with EST setting tool position above
• BVS transmitter wirelessly sends pressure and temperature readings to receiver located in EST.
• Providing documented confirmation of Well Barrier Integrity
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Pressure Verification, Test Plot
Time Savings • Major UK operator 11 well
campaign 2016 • Experience from previous
campaign where gas bleed off meant 6mely verifica6on
• Reduced average 6me from 10 hours to 45 mins
• Future later life barrier verifica6on possible
Applied pressure
Applied Pressure above barrier
RIH
Received pressure and temperature Pulling
out of hole
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Regulators Expectations Norsok D010
Barrier Requirements for any well • Barrier condition needs to be known
and understood. • Robust barriers are required to fulfill
regulator requirement.
• More reliable verification of barriers is needed, especially when plugging & abandoning a well.
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Next Stage Verification of a Mechanical Barrier
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Improvement for the operator on Well Verification
• Verification of a barrier & well integrity with a higher degree of confidence.
• Reduces tensile stress from pressure testing
from surface, especially in «weak» well constructions.
• More time efficient, less testing volume and
temperature effects. • Online and real-time data from the well is
available instantly for use as a basis in decision making.
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Thank you, for your time ! Questions ?