Method for determining parameters of a bottomhole and a near-bottomhole zone of a wellbore

摘要

Whiles moving a pipe string in a wellbore during tripping operations, pressure and temperature are measured. Based on the measured pressure and temperature, such parameters of a bottomhole and a near-bottomhole zone of the wellbore are calculated as skin factor, permeability, reservoir thickness, bottomhole pressure, and outflow or inflow from/to the zone under consideration.

主权项

1. A method for determining parameters of a bottomhole and a near-bottomhole zone in a wellbore drilled in a reservoir, the method comprising:
measuring pressure and temperature while moving a pipe string in the wellbore; calculating a flowing bottomhole pressure based on the measured pressure and temperature, and calculating dynamics of fluid uptake by the reservoir based on the calculated flowing bottomhole pressure.