A “is opening a new frontier” (lines 2-3) - (is forcing diplomatic measures)
B “this pre-salt play” (lines 3-4) - (This extent of petroleum formation over the layer of autochthonous salt)
C “pushing technological boundaries” (line 8) - (devising new breakthrough instruments and techniques)
D “seismic imaging” (line 34) - (the image of the land performed by six lenses)
E “masked beneath” (lines 35-36) - (covered by an external layer over the internal)