摘要:
An underwater storage installation for a cryogenic liquid. A foundation base rests directly on the sea floor. An underwater cell for storing the cryogenics liquid and cryogenic liquid-supply and -discharge conduits. The storage cell comprises a sealed outer chamber and a vapor barrier disposed inside the outer chamber and which defines a watertight space. A separation space is disposed between the outer chamber and the vapor barrier. Spacers are disposed in the space to keep the chamber and the vapor barrier at a distance from one another. The installation can be used for the storage of liquefied natural gas.
摘要:
A device for laying pipes from a laying vessel. The pipes convey a fluid within. The device comprises a lower retaining device to retain a pipe and a lower securing device to support the lower retaining device. An upper retaining device retains the pipe and is able to move translationally with respect to the lower retaining device. Both retaining devices retain the pipe from the inside. An upper securing device to which the lower retaining device can be coupled through a pipe section to be connected in order to release the lower securing device and in order to secure thereto the said upper retaining device after the then lower pipe section has been connected and submerged.
摘要:
The invention concerns a liquefied gas transfer installation, in particular for liquefied natural gas, adapted to transfer liquefied gas between two surface tanks and distally spaced apart. The installation comprises a transfer line. The transfer line is immersed in water. The invention is applicable to installations for loading ships with natural gas.
摘要:
A flexible tubular pipe comprising at least one metal profile spiralled in a helix about a longitudinal axis of the flexible pipe. The profile consists of a metal strip, each turn of which comprises two separate box sections which are obtained by bending the said strip so that the free edges of the strip are turned down between the two box sections and are in contact with a strip portion provided on an upraised bulge formed between the two box sections. The contact portion ties approximately along the neutral fiber of the profile. Each box section has a trapezoidal shape. Connectors above or below the profile connect windings. The edges of the connectors extend into the bulges. Profiling or extra elements are provided for the connectors.
摘要:
A flexible metal tube with closed section and a flexible pipe comprising such a metal tube, comprising a strip with substantially constant thickness and wound helically around an axis, the strip includes at least a closed section having walls formed by portions of a common turn of the strip, the closed section includes an upper wall and a lower wall and the section is arranged at one end of said strip while the other end terminates in a free edge. The closed section is trapezoidal in cross-section. A bulge radially oriented towards the upper wall of the closed section is provided between the closed section and the free edge of the stirrup. The invention is in particular applicable to flexible tubular pipes.
摘要:
The invention relates to a first part (12) and a second part (13) of an end piece (11) for a windshield wiper comprising at least one wiper blade (1). The first part (12) has a cavity (22) for accommodating the wiper blade (1), said cavity (22) extending along a longitudinal axis. The first part (12) also has a region that is arranged laterally in relation to the longitudinal axis and accommodates the second part (13) of the end piece (11), said region (14) comprising a tubular section (31). The second part (13) also has an attachment means for mechanically connecting the second part (13) to the region of the first part (12). The attachment means represents at least one hollow tubular portion, the periphery of which has a slit.
摘要:
A protective sleeve for being installed around a longitudinal portion of a pipe (72) for transporting hydrocarbons. The sleeve includes a set of rings, each of which has two opposite flanks (16, 18), and which are retained together in series, with the flanks (16, 18) opposite each other, by a plurality of elastically deformable connecting elements (32). The bending of the longitudinal portion is capable of causing contraction of the connecting elements (32) located towards the inside of the curve, as well as the elongation of the opposite connection elements (32), in order to resist the bending. Each connecting element (32) has two opposite rigid attachment portions (34, 36) and an elastic deformable body (38) interposed between the two attachment portions. The attachment portions (34, 36) are attached to the flanks (16, 18) opposite the rings (10), respectively.
摘要:
The disclosure relates to an assembly including a supporting buoy and an anchoring assembly (28) comprising a base (100) attached to the bed (12) of the expanse of water. The assembly comprises a flexible anchoring line (30) connecting the anchoring assembly (28) to the supporting buoy (26). The anchoring line (30) comprises a lower section (84) made of chain links (92). The anchoring assembly (28) comprises a device (110) for guiding the lower section (84). The lower section (84) is movably mounted in the guide device (110) relative to the base (100), between an extended configuration and a contracted configuration, and a locking member (114) which can be released from the anchor line (30) on the anchoring assembly (28).
摘要:
A method and a facility for manufacturing rigid tubular pipes having a double casing for hydrocarbon transport. The pipes include an inner rigid tube (42, 242, 342, 442) that is inserted into an outer rigid tube (16, 216, 316, 416). The facility includes a supporting frame (12, 212, 312, 412) for an inlet end of the outer rigid tube and a movable apron (22, 222, 322, 422). The apron includes a catch (38, 238, 338, 438) for catching the rigid tube and inserting it in the outer rigid tube. The apron includes storage members (68, 268, 368, 468) for receiving stored heating cables (69, 269, 369, 469) and the driving force of the apron makes it possible to deploy a portion having the length of the stored heating cables (69, 269, 369, 469) so as to be able to apply the deployed portion, having the length of the heating cables, along the inner rigid tube (42, 242, 342, 442).