Title:
LATCH ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2013/126827
Kind Code:
A3
Abstract:
A releasable latch system used to releasably couple a surface casing to a conductor casing. In one embodiment, a latch assembly for coupling a first tubular to a second tubular includes a mandrel having a plurality of key slots; a housing for receiving the mandrel; a plurality of keys radially movable into engagement or out of engagement with a respective key slot; a collet configured to engage the housing and a respective key; and a retainer ring configured to hold the plurality of keys in engagement with the respective key slot.
Inventors:
TREVINO JOSE A (US)
Application Number:
PCT/US2013/027495
Publication Date:
August 28, 2014
Filing Date:
February 22, 2013
Export Citation:
Assignee:
WEATHERFORD LAMB (US)
International Classes:
E21B17/046; E21B7/20
Domestic Patent References:
| WO2004079151A2 | 2004-09-16 |
Foreign References:
| US20030192704A1 | 2003-10-16 |
Other References:
See also references of EP 2817476A2
Attorney, Agent or Firm:
PATTERSON, William, B. et al. (LLP24 Greenway Plaza, Suite 160, Houston TX, US)
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