Patent ID: 11920431
Assignee: INTERWELL NORWAY AS
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A valve assembly for connection to an opening provided in a housing of a well tool device, the valve assembly comprising:
a fluid communication channel providing fluid communication from an outside of the housing to a bore provided on an inside of the housing;
a flapper valve device comprising a flapper element configured to be in a closed position in which the fluid communication channel is closed and an open position in which the fluid communication channel is open, the flapper element being biased to the closed position;
a flapper element supporting device configured to support the flapper element when the flapper element is in the open position; and
a securing device for securing the flapper valve device and the flapper element supporting device to the opening, the securing device comprising a through bore forming a first part of the fluid communication channel.