Practice of well inclinometry estimation when modeling oil and gas objects
UDC: 550.832:550.8.072
DOI: 10.33285/2413-5011-2022-12(372)-31-41
Authors:
SHCHERGINA ELENA A.
1,
SMETANIN ALEXANDER B.2,
SHCHERGIN VLADIMIR G.1,
MARTYNOV A.S.1
1 LUKOIL-Engineering Limited KogalymNIPIneft Branch Office in Tyumen, Tumen, Russia
2 National University of Oil and Gas "Gubkin University", Moscow, Russia
Keywords: inclinometry, device, measurement, error, modeling accuracy, elongation, true vertical depth (TVD), modeling, deposit, tilted oil-water contact (OWC), facies, types of well sections
Annotation:
The reliability of structural modeling based on operational drilling data largely depends on the accuracy of directional wells inclinometry. The article overviews the types of inclinometers used according to the principle of operation, provides information on the technical characteristics of the devices. The methodology is considered and graphs for calculating the errors of determining true vertical depth for specific types of inclinometers are proposed. When carrying out geological modeling of a complexly-composed object, a new method for calculating corrections into structural modeling, taking into account instrumental and subjective factors, that determine the presence of inclinometry errors is presented on a practical example.
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