水下管汇是海上油气开发的重要设备,深水中的管汇设计面临许多技术挑战.管汇处于深水中,环境条件比较复杂；内部承压很大；需要实现的功能多；整体布局形式复杂.针对管汇的结构进行了优化,设计了一个应用于南海荔湾3-1深水气田开发的6井槽水下管汇.完成了单井产气的汇集,化学药剂的分配及清管功能,还实现了相关的化学药剂注入控制功能,满足了荔湾3-1深水气田开发的需要.%Subsea manifold is important equipment for offshore oil and gas development. Design the manifold in the deepwater faces many technical challenges. Manifold in the deepwater, environmental conditions are very complex;the internal pressure is great;to achieve multi-function,the O-verall layout of the form is complex. The structure of manifold was optimized; a 6-well slot manifold was designed used in LW 3-1 gas field in the South China Sea. The manifold complete collection of single well gas, Chemical distribution and cleaning tube function, also the related chemicals into the control function was achieved. It can meet the needs of the development of LW3-1 gas field.
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