OIL FIELD CACULATOR is a book that describe one the innovator calculator in Oil and Gas have invented. This calculator by name OFC2000 has been registered in Angola and USA, has very unique features that many software many software does not have. The books speak how its unique features contribution on modern science in the area of cost estimation, went on stated how it solved many complex engineers' problems that we see in our generation. Using the OFC2000 has many applicability in modern science due its simplicity. It has able to generation result in short period of time. Due its simplicity many professionals can also, even though they may have very knowledge of oil and gas Industry. OFC2000 has substantial uses benefits and utilities for cost calculator in Oil and Gas. Using this technology has started contributed on rapid evaluation of many oil and gas fields over the world. Nowadays, it is foreseen many cases studies using this calculator that permits people to strategize how is going about development many fields. The books show the cases studies as example to use the calculator and Real-life example how it was done in Oil and Gas Industry by mentions Field Development using OFC2000. Final the book, close the last chapter that shows the print report from OFC2000 Calculator.