The fiber aggregates are also useful for facilitating the maintenance of proppant distribution during injection and {HEAD ~ placement} in {TAIL ~ wellbores}, as well as aiding in providing a more uniform proppant distribution in the fracture 
in
The fiber aggregates are also useful for facilitating the maintenance of proppant distribution during injection and { HEAD ~ placement } in { TAIL ~ wellbores } , as well as aiding in providing a more uniform proppant distribution in the fracture
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH