The term petroleum geologist is identified in base64 scheme by the sequence cGV0cm9sZXVtIGdlb2xvZ2lzdA==, while the MD5 signature is equal to 2257837b30b07dfadf7d3f8f92f3d779. The ASCII encoding of petroleum geologist in hexadecimal notation is 706574726f6c65756d2067656f6c6f67697374.