Global Patent Index - EP 1042582 A1

EP 1042582 A1 20001011 - WEIGHT COMPENSATION DEVICE

Title (en)

WEIGHT COMPENSATION DEVICE

Title (de)

ANORDNUNG ZUM GEWICHTSAUSGLEICH

Title (fr)

DISPOSITIF DE COMPENSATION DE POIDS

Publication

EP 1042582 A1 20001011 (EN)

Application

EP 98966927 A 19981228

Priority

  • EP 9808580 W 19981228
  • US 99815297 A 19971224
  • US 99846197 A 19971226

Abstract (en)

[origin: WO9934088A1] An apparatus for facilitating the connection or disconnection of a tubular to or from a string of tubulars, which apparatus comprises a weight compensating device (12, 13, 12', 13') which can be suspended from a travelling block (TB) or a top drive (TD) or a swivel, characterised in that said apparatus further comprises a member (11) which can support a primary elevator (31) and which can, in use, be raised and lowered by said weight compensating device (12, 13, 12', 13') to enable a tubular (JC) to be raised and lowered with respect to a string of tubulars (ST) and which can move to a load bearing position in which it can raise and lower said string of tubulars.

IPC 1-7

E21B 19/16; E21B 19/06; E21B 19/08

IPC 8 full level

E21B 19/06 (2006.01); E21B 19/086 (2006.01); E21B 19/16 (2006.01)

CPC (source: EP)

E21B 19/06 (2013.01); E21B 19/086 (2013.01); E21B 19/16 (2013.01)

Citation (search report)

See references of WO 9934088A1

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

WO 9934088 A1 19990708; AU 2615299 A 19990719; AU 741280 B2 20011129; CA 2316307 A1 19990708; CA 2316307 C 20070522; DE 69809966 D1 20030116; DE 69809966 T2 20030717; EP 1042582 A1 20001011; EP 1042582 B1 20021204; NO 20002455 D0 20000511; NO 20002455 L 20000809; NO 321865 B1 20060717

DOCDB simple family (application)

EP 9808580 W 19981228; AU 2615299 A 19981228; CA 2316307 A 19981228; DE 69809966 T 19981228; EP 98966927 A 19981228; NO 20002455 A 20000511