Abstract
Fracturing technology has been applied very rarely in offshore oil fields in China. Compared with on land, fracturing in offshore oil fields has its own features. Firstly, the cost of operation and fracturing treatment is higher, so a higher ratio of success and effect is required. Secondly, deviated wells and horizontal wells, which are common in offshore oil fields, increase the risk of fracturing. Finally, being restricted by the limited operation space and equipment on the platform, the scale of fracturing in offshore is also limited. With the exploitation of offshore oil fields, more low-permeability blocks need hydraulic fracturing. On the base of study according to the situation of offshore surrounding some successful field experiences are preceded in Qikou 18-2 oil field in Bohai Sea Bay. We present the fracturing strategy applied in offshore oil fields and the method can afford instruction for offshore fracturing in future.
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