公开(公告)号：US11953490B2

公开(公告)日：2024-04-09

申请号：US16948054

申请日：2020-08-28

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Chun Zhu ,  Weixuan Li

IPC: G01N33/28 ,  G06N7/00 ,  G06N7/01 ,  G06Q10/06 ,  G06Q10/0631 ,  G06Q10/0637

CPC classification number: G01N33/2823 ,  G01N33/2835 ,  G06N7/01 ,  G06Q10/06315 ,  G06Q10/0637

Abstract: An angiosperm index-1 and an angiosperm index-2 are correlated to an age of a liquid hydrocarbon sample and can be used to distinguish oil age of Late Cretaceous (100-65 million years before present, or 100-65 Ma BP) vs. Paleogene (65-55 Ma BP) vs. Eocene or younger (

公开(公告)号：US20240337643A1

公开(公告)日：2024-10-10

申请号：US18294642

申请日：2022-07-25

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Chun Zhu ,  Muhammad Asif ,  Zhibin Wei

IPC: G01N33/28 ,  E21B43/00 ,  E21B44/00

CPC classification number: G01N33/2823 ,  E21B43/00 ,  E21B44/00

Abstract: Age differentiation of hydrocarbon samples may be achieved using a chemical fossil assemblage approach. For example, a method may comprise: determining a source facies for a hydrocarbon sample; inputting the source facies into a chemical fossil assemblage model; determining, using the chemical fossil assemblage model, one or more candidate chemical fossil assemblages and corresponding age biomarkers for the hydrocarbon sample based on the source facies; measuring a concentration or a related value of corresponding age biomarkers in the hydrocarbon sample to yield an age biomarker fingerprint; inputting the age biomarker fingerprint into a chemical fossil assemblage model; comparing the age biomarker fingerprint to the one or more candidate chemical fossil assemblages using the chemical fossil assemblage model; and estimating an age of the hydrocarbon sample based on the comparison.