Sinvent As

Wellguard As

Inge Manfred Carlsen

Fridtjof Nyhavn

Eirik Espe

Mohammad Ali Taghipour Khadrbeik

Rune Flo

Jafar Abdollah

Mohammad Ali Khadrbeik

A plugging tool and method of plugging a petroleum well permanently or temporarily is provided. The plugging tool, for instance, is used during a plug and abandonment operation (P&A) or during other operations where setting of a barrier in the well is required, by the use of a multitask tool. The multitasking nature enables the making and sealing verification of a plug in one trip. The multitasking tool comprising interconnected releasable sections, each comprising at least one packer arrangement, perforating means and a vibration device.

Plugging tool, and method of plugging a well

The present invention concerns an apparatus for modifying sidewalls of a borehole. The apparatus includes a longitudinal housing adapted to fit inside the borehole. The housing includes a first end portion, a second end portion, and a side portion between said end portions, adapted to face the sidewalls of the borehole. Means are provides on the side of the housing for removing material from said borehole sidewall. The housing is adapted to be rotated with a controlled rotational speed in relation to said borehole sidewalls and to be fed in a controlled rate of longitudinal motion in relation to said borehole. Furthermore, the invention relates to a method for making a borehole with internal, helical grooves.

Apparatus and method for modifying the sidewalls of a borehole

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Trondheim, Norway

Inge Manfred Carlsen