Oil source comparison method via uranium isotope
A technology of isotope and oil source, applied in the field of oil and gas exploration
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[0064] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.
[0065] The embodiment of the present invention takes the oil reservoir in the Bohai Bay Basin as an example for specific description, and the specific method includes the following steps:
[0066] S111. Take about 20g of fresh crude oil sample from the oil outlet wellhead of the production well site; weigh 6-8g of fresh crude oil into a quartz beaker, add 15mL of petroleum ether, shake well to make the crude oil and petroleum ether basically miscible, add anhydrous 15 mL of ethanol, shake well and heat on a hot plate at 80°C for 12 hours.
[0067] S112. Weigh again 6-8 g of fresh crude oil into a quartz beaker, and repe...
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