Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
A TUBULAR THREADED CONNECTION
Document Type and Number:
WIPO Patent Application WO/2015/168552
Kind Code:
A3
Abstract:
A tubular threaded connection includes a threaded sub-assembly having a first tubular member (110), a first torque member (130) threadingly received on the first tubular member (110), and a second torque member (150) threadingly received on the first tubular member (110). In forming the threaded sub-assembly, the first torque member (130) is torqued relative to the second torque member (150). Furthermore, the sub-assembly is configured to receive a second tubular member (170) for torqueing against the sub-assembly.

Inventors:
MARCHAND NICHOLAS RYAN (CA)
Application Number:
PCT/US2015/028794
Publication Date:
December 30, 2015
Filing Date:
May 01, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NAT OILWELL VARCO LP (US)
International Classes:
E21B17/04
Domestic Patent References:
WO2009132259A22009-10-29
Foreign References:
US2575685A1951-11-20
GB259894A1926-10-21
US1707087A1929-03-26
FR1248507A1960-12-16
US4067404A1978-01-10
GB191510156A1916-07-12
DD82851B
US2376058A1945-05-15
Attorney, Agent or Firm:
MOSCICKI, Matthew R. (P.C.1001 McKinney, Suite 180, Houston Texas, US)
Download PDF: