‘ fishing’as a petroleum (drilling) engineer
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‘ Fishing’as a Petroleum (Drilling) Engineer. Fishing in Petroleum Engineering. In Petroleum Engineering, Drilling Engineers use the term ‘Fishing’ to recover any objects accidentally lost/dropped in an oil/gas well - PowerPoint PPT PresentationTRANSCRIPT
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‘Fishing’as a Petroleum(Drilling) Engineer
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Fishing in Petroleum Engineering In Petroleum Engineering, Drilling
Engineers use the term ‘Fishing’ to recover any objects accidentally lost/dropped in an oil/gas well
The ‘fish’ could be anything including drill-pipe, drill bits, cable, tools and junk.
‘Fishing’ requires ability to identify the ‘fish’, and design a retrieving tool to recover the fish (think rod, reel & hook! No bait required)
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Steps in ‘Fishing’ Identify the fish and obtain information on
the size, dimensions & “latch on” characteristics.
Design or select an appropriate fishing tool Use tool selected to locate, latch and
retrieve fish Finally, as with fishing, be patient – trial and
error & improvement is required.
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Common “Fish” in oil/gas wells Drill Bits Drill pipe Tubing Cable Logging tools Chains Miscellaneous items
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Common ‘Fish’Drill pipe or tubing
Cable
Drill bit
Wire & logging tool
Chain
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Common Fishing tools Overshot Grapple Magnets Spear Hook Custom design tools
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Common “Fishing”tools Drill Bits Drill pipe Tubing Cable Logging tools Chains Miscellaneous items
Hooks
Magnet
Overshot
Spear
Hook
Grapple
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Activity - Time to go fishing! Two wells Gusher #1 &
Gusher#2 are being drilled in Million-Barrel Oil Field.
Both wells have ‘fish’ in them
Your task is to retrieve the fish and continue drilling so that you can produce your well first.
<- Gusher#1
Gusher#2 ->
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Time to go fishing! Identify fish
Use Playdough ito create an“impression” block to identify fish
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Time to go fishing! Select/design an appropriate fishing tool
based on fish identified
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Time to go fishing Insert fishing tool into
well and try to retrieve ‘fish’
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Time to go fishing! FISH ON !!
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Fishing Challenge!Horizontal well fishing ! Retrieve the fish from a horizontal well!
Did you know?Horizontal wells in the Barnett Shale in North Texas are drilled ~7000’ deep and ~3000’ laterally!Horizontal wells in the Bakken Shale are drilled 10,000 ft (~ 2 miles) deep and 10,000 ft (~ 2 miles) laterally!
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Being a Petroleum Engineer Petroleum Engineers have many sub-
specialities. Drilling Engineers drill for oil/gas. Reservoir Engineers calculate the amount
of oil/gas and the best way to produce the oil/gas.
Production Engineers produce & transport the oil/gas.