Perforation (oil and gas production)

Perforation shown at the end of the conveyor tube

The perforation is the area made permeable to gases and liquids in the casing of a borehole structure. There the conveyed material (mostly oil or natural gas ) can enter the borehole construction.

First of all, during the development, the deposit has to be reached by deep drilling and the borehole has to be cased and cemented . Subsequently, in the area of the deposit, piping, called the production pipe tour there, and annulus cement are perforated ("perforated") and thus a connection is created between the deposit and the interior of the borehole. This is usually done using shaped charges .

Web links

Tony Smithson: Detonation for Delivery. In: Oilfield Review , Spring 2012, Schlumberger (PDF file, 162 kB)

Individual evidence

^ Matthew R. Simmons: When the desert runs out of oil, FinanzBook Verlag, 2007, ISBN 9783898792271 , p. 190 [1] .

^ Extraction of crude oil and natural gas , German Oil Museum Wietze .

[1] Matthew R. Simmons: When the desert runs out of oil, FinanzBook Verlag, 2007, ISBN 9783898792271 , p. 190 [1] .

[2] Extraction of crude oil and natural gas , German Oil Museum Wietze .