Global Patent Index - EP 1069244 A2

EP 1069244 A2 2001-01-17 - Method for monitoring a downhole vibrator

Title (en)

Method for monitoring a downhole vibrator

Title (de)

Verfahren zur Steuerung eines Tiefenrüttlers

Title (fr)

Méthode pour contrôler un vibrateur de fond de trou

Publication

EP 1069244 A2 (DE)

Application

EP 00114397 A

Priority

DE 19930885 A

Abstract (en)

The method involves using a depth vibrator (11), which is inserted and withdrawn in the ground from an unbalanced mass vibrating about a vertical longitudinal axis. The unbalanced mass is suspended by a pipe screwed to a joint coupling and by a steel cable running in the pipe, which is guided through the pipe. The unbalanced mass is driven with alternating rotation directions, and is varied with time. An Independent claim is included for a depth vibrator for use with the method.

Abstract (de)

Verfahren zum Verdichten von Böden mittels eines Tiefenrüttlers (11), der von einer um eine vertikale Längsachse umlaufenden Unwuchtmasse erregt in den Boden abgesenkt und aus diesem wieder gezogen wird, der an einem Mäkler oder dergleichen mittels eines über eine Gelenkkupplung (13) angeschraubten Rohrstranges (14) und mittels eines im Mäkler laufenden Stahlseiles aufgehängt ist und der mit zumindest einem Kabel oder Schlauchstrang verbunden ist, der an den Rohrstrang herangeführt ist, wobei die Unwuchtmasse mit abwechselnder Drehrichtung angetrieben wird. <IMAGE>

IPC 1-7 (main, further and additional classification)

E02D 3/054

IPC 8 full level (invention and additional information)

E02D 3/054 (2006.01)

CPC (invention and additional information)

E02D 3/054 (2013.01)

Citation (applicant)

Designated contracting state (EPC)

AT CH FR GB LI NL

EPO simple patent family

EP 1069244 A2 20010117; EP 1069244 A3 20020703; EP 1069244 B1 20050928; AT 305537 T 20051015; DE 19930885 A1 20010201; DE 19930885 C2 20030424

INPADOC legal status


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2006-04-26 [GBV] GB: EP PATENT (UK) TREATED AS ALWAYS HAVING BEEN VOID IN ACCORDANCE WITH GB SECTION 77(7)/1977

- Effective date: 20050928

2005-09-30 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2005-09-28 [AK] DESIGNATED CONTRACTING STATES:

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2005-09-28 [REG GB FG4D] EUROPEAN PATENT GRANTED

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2005-09-28 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2005-07-21 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2005-06-15 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION):

- Designated State(s): AT CH FR GB LI NL

2005-02-09 [RTI1] TITLE (CORRECTION)

- Free text: METHOD FOR MONITORING A DOWNHOLE VIBRATOR

2004-01-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20031216

2003-03-26 [AKX] PAYMENT OF DESIGNATION FEES

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2001-02-21 [RIN1] INVENTOR (CORRECTION)

- Inventor name: BERG, JOACHIM, DIPL.-ING.

2001-02-21 [RIN1] INVENTOR (CORRECTION)

- Inventor name: KOECHER, JOHANNES, DR.

2001-01-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-01-17 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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