Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4092252 | Controlling corrosion in gas-containing aqueous drilling fluid A composition and method for drilling wells through subterranean strata containing high temperature aqueous fluids using a gas-containing aqueous drilling fluid containing an alkaline material to raise the pH of the drilling fluid to provide corrosion pro... | 05/30/1978 |
| 4088583 | Composition and method for drilling high temperature reservoirs Composition and method for drilling a well into a high temperature subterranean reservoir, such as one containing a geothermal fluid, wherein there is used an aqueous foam drilling fluid containing (1) water, (2) gas, (3) a foaming agent, (4) an erosion a... | 05/09/1978 |
| 4088190 | Carbon dioxide foam flooding A method of conducting an enhanced oil recovery process in a subterranean reservoir wherein, as part of the process, there is injected into the reservoir as a sweep fluid a foam containing carbon dioxide, water and a foaming agent having the formula: ... | 05/09/1978 |
| 4083945 | Process for the treatment of hydrogen sulfide gas streams In gas/liquid contact processes for the absorption of sulfur gas streams using alkaline, oxygen regenerated washing solutions, for example as in the Stretford process, the washing solution is treated with a soluble aldehyde to control the rate of formatio... | 04/11/1978 |
| 4031958 | Plugging of water-producing zones in a subterranean formation A method of selectively plugging permeable water-producing zones in a subterranean formation of nonuniform permeability comprising sequentially injecting into the formation (1) an aqueous solution of a first reactant material rendered more viscous than th... | 06/28/1977 |
