公开(公告)号：US20230161373A1

公开(公告)日：2023-05-25

申请号：US17769011

申请日：2020-10-15

Applicant: BP Exploration Operating Company Limited

Inventor： Alistair George CROSBY

IPC: G06F1/14 ,  G06F1/12

CPC classification number: G06F1/14 ,  G06F1/12

Abstract: In some examples, the disclosure provides a method for determining a drift in clock data that is provided by a clock of a seismic sensor. The sensor is exposed to an ambient temperature that varies over time. The method includes obtaining temperature data associated with the ambient temperature as a function of time. The method also includes obtaining the clock data. The method also includes obtaining timestamp data provided by a global navigation satellite system. The method also includes determining drift data which minimizes a difference of a temporal drift in the clock data, based on the timestamp data and the temperature data. The method also includes outputting corrective data based on the determined drift data.