GEP19970984B - An apparatus for Near Vertical Laying of Pipeline Offshore - Google Patents

An apparatus for Near Vertical Laying of Pipeline Offshore

Info

Publication number
GEP19970984B
GEP19970984B GEAP19942277A GEAP1994002277A GEP19970984B GE P19970984 B GEP19970984 B GE P19970984B GE AP19942277 A GEAP19942277 A GE AP19942277A GE AP1994002277 A GEAP1994002277 A GE AP1994002277A GE P19970984 B GEP19970984 B GE P19970984B
Authority
GE
Georgia
Prior art keywords
pipeline
tower
pipe
pipe section
travel block
Prior art date
Application number
GEAP19942277A
Inventor
R Wilkins Jesse
W Brown Robert
J Leglleux Michael
Original Assignee
Mcdermot Int Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mcdermot Int Inc filed Critical Mcdermot Int Inc
Priority to GEAP19942277A priority Critical patent/GEP19970984B/en
Publication of GEP19970984B publication Critical patent/GEP19970984B/en

Links

Landscapes

  • Supports For Pipes And Cables (AREA)

Abstract

This invention refers to machine-building, in particular to apparatus for laying of pipeline offshore in particular to the near vertical lying of pipeline offshore in deep water. Technical result of the invention is to reduce time during adding of new pipes and to increase efficiency of the apparatus. On the floating vessel 9 there is a tower 3 for pipe laying which bears against a support frame 1 and movable deck 3 at the desired angle. The tower has a travel block 4 for receiving a pipe section and for supporting the weight of the pipe or pipeline and is movable between open and closed positions. The travel block is adapted for movement along the length of the tower for raising or lowering the pipe and pipeline. A pedestal 5 is positioned near the bottom of the tower 3 and is movable between open and closed positions for receiving a pipe section and supporting the weight of the pipeline to transfer the weight of the pipeline from the travel block 4 to the pedestal 5 without the need to open the travel block 4. A strongback 7 with adjustable clams is used to grasp a pipe section ready for welding from a ready rack and transfer the pipe section into the tower 3 for addition of the pipe section to the pipeline. The strongback 7 is guided into and up the tower by rails. A stinger 8 extends down from the lower end of the tower and is provided with clamps 21 to grip the pipeline during operations. The main portion of the stinger may be pivoted up adjacent the lay vessel when pipe laying operations are not in progress. 12 fig.
GEAP19942277A 1994-11-04 1994-11-04 An apparatus for Near Vertical Laying of Pipeline Offshore GEP19970984B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GEAP19942277A GEP19970984B (en) 1994-11-04 1994-11-04 An apparatus for Near Vertical Laying of Pipeline Offshore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GEAP19942277A GEP19970984B (en) 1994-11-04 1994-11-04 An apparatus for Near Vertical Laying of Pipeline Offshore

Publications (1)

Publication Number Publication Date
GEP19970984B true GEP19970984B (en) 1997-10-03

Family

ID=82484081

Family Applications (1)

Application Number Title Priority Date Filing Date
GEAP19942277A GEP19970984B (en) 1994-11-04 1994-11-04 An apparatus for Near Vertical Laying of Pipeline Offshore

Country Status (1)

Country Link
GE (1) GEP19970984B (en)

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