Downhole debris collecting device with a filter
AssigneeAltus Intervention (Technologies) AS
InventorsGunn Elin Toge, Kristian Andersen
Life of this patent
Estimating the term…
Abstract
A collecting device for displacement in a tubing. The collecting device is extended in shape with a longitudinal axis and forms a leading portion with an entrance and an end portion. The device includes a wall extending from the leading portion to the end portion, a collecting chamber formed inside a portion of the wall, a filter positioned with the collecting chamber, a motor, a pump, and an outlet at the end portion, where the filter stocking provided with an open first end portion and a closed second end portion, and the open first end portion faces the leading portion, a and the filter stocking forms a receptacle. A method for emptying the collecting device is described.
Claims18
Collecting device for displacement in a tubing, the collecting device is extended in shape with a longitudinal axis, the collecting device forms a leading portion with an entrance and an end portion;
- the collecting device comprises:
- a wall extending from the leading portion to the end portion;
- a collecting chamber formed inside a portion of the wall;
- a filter positioned within the collecting chamber;
- a motor;
- a pump;
- and
- an outlet at the end portion,
- the filter comprises filter stocking provided with an open first end portion and a closed second end portion, the open first end portion faces the leading portion, the closed second end portion is closed by a closing device, the filter stocking forms a receptacle within the filter stocking, and the filter stocking is axially displaceable relative to the collecting chamber.
A method for emptying a collecting device having collected debris from a well, said method comprises the steps of:
- a) retrieving the collecting device to a surface;
- b) opening the collecting device;
- and
- c) displacing a filter stocking axially towards a collecting device's leading portion;
- and
- wherein the collecting device extends in shape with a longitudinal axis and forms a leading portion with an entrance and an end portion and comprises:
- a wall extending from the leading portion to the end portion;
- a collecting chamber formed inside a portion of the wall;
- a filter positioned within the collecting chamber;
- a motor and a pump connected to the collecting device;
- and
- an outlet at the end portion, the filter comprises an axially displaceable filter stocking provided with an open first end portion and a closed second end portion, and the open first end portion faces the leading portion, and the filter stocking forms a receptacle.
Dependencies are inferred from the claim text.