selective perforation: a game changer in perforating technology- case study amit govil perforation...
TRANSCRIPT
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Selective Perforation: A Game Changer in Perforating Technology- Case Study
Amit GovilPerforation and Production Domain ChampionNorway
2012 European and West African Perforating Symposium
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Layout
Background Selective Perforation: Past / Present Selective Perforation: Future Selective Gun: Future Gun–Assembly, Application Case Study
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Background
Perforation engineering is a key element in successful well stimulation / production / injection
Selective perforation gun is required when multiple zones have to be perforated in a single run.
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Selective Perforation
Significant hardware Reliable equipment Engineer competency Minimize failure modes Maintain high safety standard
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Selective Technology: Past
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Selective Technology: Present1.
75”
0.75”
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Downhole Switch Communication
Yellow Up/Dow n Link status
Blue IP Address
Green Command Status
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Selective Technology: Risk
Manual handling Mistakes while crimping connections Possibility of pinch wire Adaptors Time-consuming operation
Typically every gun ~ 5 connection Assume 1 min per connection Considering 17 guns per run
– Time required for making connections– 17*5 ~ 85 mins
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Selective Technology: Future
SafeJet - A gun system that is transported in the fully assembled form from the gun shop to the well location and is ready to run in hole. Fully addressable and RF safe (up to 40 guns/run) 3 1/8″ diameter 16″ makeup length
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SafeJet: Reliability & Efficiency
Pre-assembled with wiring and detonator cord - no booster, no crimping
Pin connect
SafeJet board,
Nona pellet
Detcord
Wire channel
Loading tube
Shaped charge
SafeJet board(ASFS* + Secure*
Technology)Disposable bulkheads
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SafeJet: Rig up
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Case Study
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SafeJet: Value