{"id":866,"date":"2014-06-01T09:03:06","date_gmt":"2014-06-01T01:03:06","guid":{"rendered":"http:\/\/alfanso10.esy.es\/?p=866"},"modified":"2017-01-19T18:48:00","modified_gmt":"2017-01-19T10:48:00","slug":"liwan-deepwater-project","status":"publish","type":"post","link":"http:\/\/alfanso10.com\/?p=866","title":{"rendered":"Liwan Deepwater Project"},"content":{"rendered":"

 <\/p>\n

COMPANY: EMAS-AMC (SUBCONTRACTOR)<\/strong><\/span><\/p>\n

PROJECT TITLE: Liwan Deepwater Project<\/strong><\/span><\/p>\n

CLIENT: Husky Oil China<\/strong><\/span><\/p>\n

CONTRACTOR: SAIPEM<\/strong><\/span><\/p>\n

LOCATION:\u00a0China<\/strong><\/span><\/p>\n

YEAR: 2014<\/strong><\/span><\/p>\n

VESSEL: Pipe\u00a0Lay Barge (DLB) Lewek\u00a0Centurion<\/strong><\/span><\/p>\n

Lewek Centurion is a self-propelled DP2 S-lay pipeline installation vessel, The vessel measures 146.5m long by 30m wide (35m wide included the external thrusters), with mean operating draft of 7.8 m. The pipe lay ramp is located on the center of the barge and runs the entire length of the barge.<\/span><\/p>\n

The vessel is equipped with one pipe transfer crane and one shipboard crane. The pipe transfer crane has a maximum capacity of 36MT at 30m radius, and the shipboard crane has a maximum capacity of 20MT at 25m knuckle boom. The main crane is a 300 MT Kenz crane at 15-16m radius.<\/span><\/p>\n

LCE is also equipped with 300mT A-Frame and retractable Hang off Platform at port side with 300mT capacity at maximum retraction.<\/span><\/p>\n

All of the vessel accommodation is located above the main deck, and is fully air conditioned with a mess hall and recreational facilities. A helideck is located over the bow superstructure and is capable of accommodating an S61 helicopter.<\/span><\/p>\n

MULTI SUPPORT VESSEL (MSV): Volantis<\/strong><\/span><\/p>\n

During jumper installation LCE will be assisted by two (2) units of ROV onboard a MSV provided by CONTRACTOR<\/span><\/p>\n

SCOPE OF WORK:<\/strong><\/span><\/p>\n

This document provides all the relevant project data and procedure for installation of 12\u2019\u2019 in-field flowline and associated activities from KP 8.044 to KP23.002 (East Manifold). It is approximately 15 km and the water depth ranges from 1115 m to 1410 m. The installation sequence is as below:<\/span><\/p>\n

1) Recover existing 12\u2019\u2019 Pipeline @ KP 8.044 (Well LH34 Area) in J-Lay Mode<\/span><\/p>\n

2) Remove existing 12\u2019\u2019 Pipeline laydown head<\/span><\/p>\n

3) Replace new 12\u2019\u2019 Pipeline laydown head (for S-Lay Recovery)<\/span><\/p>\n

4) Laydown existing 12\u2019\u2019 Pipeline @ KP 8.044 in J-Lay Mode<\/span><\/p>\n

5) Recover existing 12\u2019\u2019 Pipeline @ KP 8.044 in S-Lay Mode<\/span><\/p>\n

6) Remove laydown head and continue 12\u2019\u2019 pipelay<\/span><\/p>\n

7) Laydown the pipeline with collar and laydown head (for PLET 7 Installation) @ KP 23.002 (East Manifold)<\/span><\/p>\n

In addition, this document also covers the preparation works for the 12\u2019\u2019 CRA PLET 8 at Well LH34 area including:<\/span><\/p>\n

1) Recover existing 12\u2019\u2019 Pipeline @ KP 0.00 (Well LH 34 Area) in J-Lay Mode<\/span><\/p>\n

2) Remove existing 12\u2019\u2019 Pipeline Start-up head<\/span><\/p>\n

3) Replace new 12\u2019\u2019 Pipeline Start-Up head (for S-Lay Recovery)<\/span><\/p>\n

4) Laydown existing 12\u2019\u2019 Pipeline @ KP 0.00 in J-Lay Mode<\/span><\/p>\n

5) Recover existing 12\u2019\u2019 Pipeline @ KP 0.00 in S-Lay Mode<\/span><\/p>\n

6) Remove start-up head and install CRA collar and laydown head for PLET 8 Installation<\/span><\/p>\n

7) Laydown the pipeline in S-Lay mode<\/span><\/p>\n

The procedure also includes the following details:<\/span><\/p>\n