F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 7/00 (2006.01) E21B 7/20 (2006.01) E21B 7/28 (2006.01)
Patent
CA 2436703
A bundle of tubes (1) arranged without trenches according to a bore and swivel method, wherein a bore channel (9) is made in a first boring step and said bore channel is widened when the drilling and swivel head (5) is removed therefrom, said bundle of pipes being drawn into the bore channel (9). The inventive bundle of pipes is characterized in that said bundle (1) is composed of a plurality of individual pipes (2) and flanges which are arranged lengthwise (15) at a distance from said pipes (2) and used as spacers for said pipes (2). The invention also relates to a method, wherein a rotational decoupling device (6) prevents the rotational movement of the bore/swivel head (5) produced during the removal process (9) from being transmitted to the bundle of pipes (1), and the bundle of pipes (1), supported by means of stabilizing devices (3,14,17) inside the bore channel in the same spatial position as that of the pipes (2) in relation to each other and the surrounding environment, are drawn though the bore channel.
Selon l'invention, un faisceau de tubes (1) est posé sans tranchées selon le procédé de forage/injection. Au cours d'une première étape de forage, un canal de forage (9) est produit, ledit canal (9) est élargi lors du retrait de la tête de forage/injection (5), et le faisceau de tubes (1) est mis en place dans le canal de forage (9). Un tel faisceau de tubes (1) est caractérisé en ce qu'il est constitué d'une pluralité de tubes individuels (2), et de brides (3) logées de manière longitudinale (15) à distance sur lesdits tubes (2), lesdites brides permettant d'espacer les tubes (2). L'invention concerne également un procédé selon lequel un dispositif (6) de découplage rotatif permet d'empêcher la transmission de la rotation de la tête de forage/injection (5) produite lors du retrait (9) sur le faisceau de tubes, et des dispositifs de stabilisation (3, 4, 17) permettent de stabiliser le faisceau de tubes (1) à l'intérieur du canal de forage lors de la pose dans le canal de forage (9), les tubes (2) étant stabilisés les uns par rapport aux autres et par rapport aux alentours.
John Martin
Rous Klaus
Fetherstonhaugh & Co.
Stadtwerke Schwerte Gmbh
LandOfFree
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