Retrievable whipstock used for construction of multilateral wells
Authors: R.S. Khisamov, I.A. Nuriev (Tatneft OAO), A.G. Zaynullin (Nauka OOO), R.Kh. Ilalov, A.A. Mukhametshin (TatNIPIneft)
A retrievable whipstock to be used for construction of multilateral wells and drilling of laterals from existing vertical wellbores with no loss of the main wellbore diameter is offered. The design of the retrievable whipstock is discussed; the procedure and field test results are presented.
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