Abstract: A cementing device for establishing a false bottom in a well bore for formation of a cement plug in the well bore. The cementing device includes a tool body which has a front end and a rear end. The cementing device further includes at least one propulsion device which is attached to the front end and/or the rear end of the tool body and is adapted for being propelled by a fluid.
Abstract: A cementing device for establishing a false bottom in a well bore for formation of a cement plug in the well bore. The cementing device includes a tool body which has a front end and a rear end. The cementing device further includes at least one propulsion device which is attached to the front end and/or the rear end of the tool body and is adapted for being propelled by a fluid.
Abstract: A wave-inducing device for cementing a casing in a borehole. The wave-inducing device is designed for arrangement in the casing and includes a movable element which, when the wave-inducing device is arranged in the casing, is designed to be moved by cement and/or another fluid flowing through the casing so that wave motions and/or vibrations are provided in the cement during the cementing of the casing.
Abstract: A wave-inducing device for cementing a casing in a borehole. The wave-inducing device is designed for arrangement in the casing and includes a movable element which, when the wave-inducing device is arranged in the casing, is designed to be moved by cement and/or another fluid flowing through the casing so that wave motions and/or vibrations are provided in the cement during the cementing of the casing.
Abstract: A device for keeping liquids separate in a pipe, especially for use in a petroleum well, where the device comprises a diaphragm, which in its operative position and through use of pretensioned slats is stretched across the cross section of the pipe, and where each of the two end portions of the slats is connected to a boss, respectively, in a manner such that each the slats forms an outward bow relative to the common axis of the bosses, when in the neutral position.