Exxon Mobil ( XOM ) and Chevron ( CVX ), the two largest U.S. oil majors, reported second-quarter earnings Friday. Both earning reports exceeded Wall Street expectations—despite a sharp year-over-year decline in profits and persistent pressure from falling oil prices. The reports come as both companies deepen ties in offshore Guyana and brace for shifting investor priorities. Strong Operations Offset Soft Prices for Exxon Mobil Exxon Mobil reported second-quarter earnings of $1.64 per share, above the $1.56 analysts had expected. Revenue came in at $81.5 billion, slightly ahead of estimates and a figure equivalent to over $900 million in daily sales. Though earnings were down nearly 23% from a year ago, the company delivered its highest second-quarter upstream production since the Exxon-Mobil merger in 1999. Production reached 4.63 million barrels of oil equivalent per day (boepd), with international operations generating $4.19 billion in profit and U.S. production contributing $1.21 b...