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2010-12-10T17:21:58+01:00
2010-12-01T20:38:57Z
2010-12-10T17:21:58+01:00
Jouve S.A., TaggedPDF v1.27
EP-0245892-A3-19881123
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EP-0245892-A3-19881123
An apparatus for vibrating a pipe string in a borehole comprises at a downhole location a hydraulic motor having a stator part (2) and a rotor part (3), the stator part (2) forming part of the string (1) and the rotor part (3) being coupled to a percussion device (6) which longitudinally moves the rotor part (3) relative to the stator part (2) in an oscillating manner during the course of each rotation of the rotor part relative to the stator part.
An apparatus for vibrating a pipe string in a borehole comprises at a downhole location a hydraulic motor having a stator part (2) and a rotor part (3), the stator part (2) forming part of the string (1) and the rotor part (3) being coupled to a percussion device (6) which longitudinally moves the rotor part (3) relative to the stator part (2) in an oscillating manner during the course of each rotation of the rotor part relative to the stator part.
en
European Patent Office
EP0245892
EP 0245892
E21B 07/24
E21B 04/10
E21B 04/02
E21B 31/113
E21B 43/04
Apparatus for vibrating a pipe string in a borehole
Apparatus for vibrating a pipe string in a borehole - European Patent Office - EP 0245892 A3
Apparatus for vibrating a pipe string in a borehole - European Patent Office - EP 0245892 A3
Adobe PDF Library 8.0
"EP0245892"; "EP 0245892"; "E21B 07/24"; "E21B 04/10"; "E21B 04/02"; "E21B 31/113"; "E21B 43/04"; "Apparatus for vibrating a pipe string in a borehole"
1.4
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EP
0245892
A3
1988-11-23
87200739
1987-04-16
GB
8612019
1986-05-16
E21B 07/24
E21B 04/10
E21B 04/02
E21B 31/113
E21B 43/04
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Worral, Robert Nicholas
Stulemeijer, Ivo Petrus Jozef Maria
Apparatus for vibrating a pipe string in a borehole
Vorrichtung zum Rütteln eines Bohrstranges in einem Bohrloch
Apparatus for vibrating a pipe string in a borehole
Dispositif pour faire vibrer un train de tiges dans un puits
An apparatus for vibrating a pipe string in a borehole comprises at a downhole location a hydraulic motor having a stator part (2) and a rotor part (3), the stator part (2) forming part of the string (1) and the rotor part (3) being coupled to a percussion device (6) which longitudinally moves the rotor part (3) relative to the stator part (2) in an oscillating manner during the course of each rotation of the rotor part relative to the stator part.
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