API Benchmarks:  API criteria, such as pin measurements for drill bits and satisfactory tolerances for rock bits and pdc bits.  If you think this remark is offensive or violates the CNET's Web site Conditions of Use, you'll be able to report it below (this will likely not mechanically remove the remark). After noted, our employees will probably b… Read More


When Marco Polo in 1264 visited Baku, around the shores of your Caspian Sea, he saw oil getting collected from seeps. He wrote that "about the confines toward Geirgine There's a fountain from which oil springs in wonderful abundance, in up to 100 shiploads may be taken from it at a person time."[citation needed]The Stabilis™ strengthened cutter e… Read More