Abstract: An automatic modular maintenance device operating in an annulus of a well for the production of hydrocarbons, which includes a plurality of modules having a substantially cylindrical portion and connected to each other by means of articulated joints, and is configured to float in a completion fluid present in the annulus of the well.

Abstract: The present invention has, as a first object, an autonomous underwater vehicle equipped for the acquisition of the gravimetric and magnetic gradient near the seabed, characterized in that it comprises: —at least one gravimetric gradiometer; —at least one magnetic gradiometer. In particular, said autonomous equipped underwater vehicle allows underwater explorations as far as 3,000 m.

Abstract: A method for determining a position of a fluid discharge in an underwater environment, the method including: collecting data relating to an underwater area through at least two acoustic sensors; filtering and processing the data collected to identify the presence of the discharged fluid and the underwater area involved; forming a single stereoscopic image by combining the plurality of single three-dimensional images; and estimating the position of the fluid discharge on the basis of the stereoscopic image thus obtained.

Abstract: A combined piloting method of remote operated underwater vehicles includes: connecting, to a vertical profile, a constraint device including at least two arms arranged at a reciprocal fixed angular position, each of the at least two docking arms including at a first end a device for the hooking of a remote operated underwater vehicle, the at least two docking arms being constrained at one of their second ends to a device for the sliding and rotating hooking to the vertical profile; connecting at least two remote operated vehicles to the constraint device; detecting the position of the overall structure consisting of the constraint device and remote operated vehicles; detecting the orientation of each of the remote operated vehicles; receiving data relating to the position and orientation to be reached; determining the power required by each remote operated vehicle; and transmitting related commands to each vehicle.

Abstract: An automatic modular maintenance device operating in the annulus (D) of a well for the production of hydrocarbons, including a plurality of substantially cylindrical modules (C) connected to each other by means of articulated joints, said device being capable of floating, also autonomously, in a completion fluid present in the annulus (D) of the well.

Abstract: The present invention relates to a method for determining the position of a fluid discharge in an underwater environment comprising the phases which consist in collecting (110) data relating to an underwater area through at least two acoustic sensors (11); filtering and processing (120) the data collected to identify the presence of the discharged fluid and the underwater area involved; forming (130) a single stereoscopic image through joining the plurality of single three-dimensional images; estimating (140) the position of the fluid discharge on the basis of the stereoscopic image thus obtained.

Abstract: The present invention relates to a combined piloting method of remote operated underwater vehicles comprising the phases which consist in connecting, to a vertical profile (21), a constraint device (20) comprising at least two arms (25) arranged at a reciprocal fixed angular position, each of the at least two docking arms (25) comprising at a first end (25a) means (29) for the hooking of a remote operated underwater vehicle (14), the at least two docking arms (25) being constrained at one of their second ends (25b) to means (26) for the sliding and rotating hooking to said vertical profile (21); connecting at least two remote operated vehicles (14) to the constraint device (20); detecting the position of the overall structure consisting of the constraint device (20) and remote operated vehicles (14); detecting the orientation of each of the remote operated vehicles (14); receiving data relating to the position and orientation to be reached; determining the power required by each remote operated vehicle (14) a