OPERATORS SHIFTING EXPLORATION FOCUS IN PERU

U.S. oil companies continue to shift their exploration focus in Peru. Mobil Oil Corp. was expected to sign a new agreement with state owned Petroleos del Peru SA to expand exploration outside its existing blocks in Peru's central jungle. Occidental Petroleum Corp. has asked Petroperu to redesign a block in the south central Peruvian jungle to allow exploration of an area where Oxy earlier shifted its exploratory focus. Meantime, the Peruvian unit of Edward Callan Interests, Houston, put in