The term "solution gas ratio at bubble-point" refers to the amount of gas dissolved in an oil reservoir, which is released as bubbles when the pressure drops to the saturation point. Synonyms for this term include bubble-point gas-oil ratio, initial gas-oil ratio, saturation gas-oil ratio, and dissolved gas-oil ratio. While these terms have slightly different meanings, they all refer to the same basic phenomenon: the proportion of gas dissolved in oil that will be released when the pressure drops. Accurately measuring this ratio is important for predicting reservoir behavior and optimizing production strategies. By using these synonyms, engineers and analysts can communicate effectively and precisely about this vital aspect of oil and gas production.