abstract a tubular member is presented for treating a subterranean formation the tubular member being insertable in a wellbore intersecting the subterranean formation and adapted to receive a treatment fluid under pressure the tubular member comprises at least one assembly having at least one port a straddle system comprising an upper packer uphole of the at least one assembly and a lower packer downhole of the at least one assembly to isolate an annular interval adjacent the ported assembly between the tubular member and the wellbore and at least one flow diverter valve positioned uphole from the upper packer for diverting fluid from within the tubular member through an annulus between the tubular member and the wellbore to surface methods are further provided for treating a subteranian formation application_number US 201514921712 A description although the device and method of the present invention may be employed for various types of wells and completion procedures such as with open hole packers in an uncemented well a horizontal cemented well will be referred to herein for illustrative purposes with reference to fig1 a to 1 m a production casing 16 also known as a completion string or wellbore liner is inserted or tripped into the wellbore 10 to its terminus 11 an annular space 18 or annulus is formed between the casing 16 and the wall of the wellbore 10 the production casing 16 may be considered a tubular member capable of flowing or.