Petroleos Mexicanos , the crude producer that accounts for about a third of state revenue in Mexico, said it pays taxes on oil production volume that’s inflated by water and other measurement inaccuracies. Under existing law, the company known as Pemex pays some taxes based on reported volume at the wellhead, it said by e-mail yesterday. In the statement, Pemex cut its year-to-date production to 2.34 million barrels a day from a previously reported 2.47 million. Output was overstated because of water content and inefficient measuring and separation systems. “The water content and measurement distortions have increased the fiscal burden on Pemex,” the Mexico City-based company said in the statement. Facing a 10th straight year of production declines, Pemex said output at the end of the year would be about 2.35 million barrels a day. That’s the second revision in a month after Exploration and Production Director Gustavo Hernandez […]