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A system for powering components on an oil drilling or production platform utilizing a relatively inert fuel, the system including a first plurality of tanks which contain carbon dioxide in the liquid phase; a second plurality of tanks for receiving the carbon dioxide under pressure in the liquid ph

A system for powering components on an oil drilling or production platform utilizing a relatively inert fuel, the system including a first plurality of tanks which contain carbon dioxide in the liquid phase; a second plurality of tanks for receiving the carbon dioxide under pressure in the liquid phase and flowing the carbon dioxide into the second plurality of tanks into a high pressure gaseous phase. There is further included a third low pressure tank which would receive the high pressure carbon dioxide from the second plurality of tanks into the tank under a substantially low pressure within the third tank. The third tank would be equipped with a means for flowing the carbon dioxide into a component such as a pump or engine so that the carbon dioxide serves as a fuel for driving the component and allowing the component to undertake a particular task on the rig floor such as the testing of lubricators grease units or an engine for driving certain functions of the rig. In the testing for example of lubricators on the rig, there may be further included a two-stage pump which would receive the carbon dioxide from the third tank and water from a water tank in order for the pump to pump the water into the lubricator system so as to test the lubricator on the rig floor.

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1. A method for using an inert gas in oil and gas recovery, comprising:a. providing a first quantity of the inert gas contained under pressure in a liquid phase; b. flowing a portion of the first quantity of the inert gas in a liquid phase as a second quantity of the gas under reduced pressure in a

1. A method for using an inert gas in oil and gas recovery, comprising:a. providing a first quantity of the inert gas contained under pressure in a liquid phase; b. flowing a portion of the first quantity of the inert gas in a liquid phase as a second quantity of the gas under reduced pressure in a gaseous phase; c. flowing a portion of the second quantity of gas in a gaseous phase into a third quantity of the gas in the gaseous phase under a further reduced pressure; and d. flowing the third quantity of gas in a gaseous phase to a device for serving as a source of power to operate the device.