Views:27 Author:Site Editor Publish Time: 2019-08-24 Origin:Site
I. Project Profile
Project Name：China Petroleum and Chemical Corporation & Kuwait National Oil Company Limited Joint Project ---Zhanjiang, Lianjiang Product Oil Pipeline Project Sea Area HDD Works
The Owner/Construction Party：China Petrochemical Marketing Co. Ltd -Huanan branch
Construction Organization：Sinopec Shengli Oil Construction Engineering Co. LTD
Project Characteristics：More than 4 km HDD Works. The longest Land -Sea HDD Project in China
Geological Conditions：Plain Fill, Sludge, Silty Clay, Weathered Basalt
Topographic Condition：The HDD entry point of Tongming Strait is in a village，Tongming Strait exit point is in a farmland beside the seawall.
1. Distance: 4071 meters HDD Project (370 steel pipes welded together);
2. Complex geologic structure, High Demand of Mud Matching;
3. Prefabricated curve should meet the demand of radius of curvature
Picture 1：Nan Tong Tongming Strait Plan
Picture 2：Construction Site Aerial View
II. Construction Equipment
Two sets of GS6000-T, Two sets of GS5000-L, One set of GT5000 Ejector Sleeve, Six sets of CN2500 Mud Pump, Two sets of American ParaTrack2 Location system.
Picture 3：“Goodeng Machine”GS6000-T HDD Machine
Picture4: “Goodeng Machine”GS5000-L HDD Machine
Picture 5：“Goodeng Machine”GT5000 Ejector Sleeve
III. Technical Support
Risk Prevention：Construction site is equipped with 1 set of GT5000 Ejector Sleeve; When reaming back, it adopts turning rolls and pipe ditch to send pipeline, protecting all turning points.
Reaming(second time)：Using 500mm, 800mm Fluted Reamer
Pulling pipeline：Using Barrel Reamer
IV. Construction Time
Start Time：March 15th, 2019
Finish Time: May 17th, 2019
Picture 6: Guiding
Picture 8：Pipeline route
Picture 10：Dragging pipeline successfully
Picture11：Dragging pipeline successfully
V. Auxiliary Mud
Mud Specifications：Marsh Funnel Viscosity 80S-100S.
VI. Construction Conclusion
It is the first time for us to finish such a long-distance project in China, it is a valuable experience for future construction project.