The Longest Stretch in The World~~~ PetroChina’s Project Broke 3 Records!

On April 17, the EPC project of the gas supply line from Dachan Island to Mawan Power Plant, an upgrading project of Shenzhen Mawan Power Plant designed by China Petroleum Engineering and Construction Corporation Southwest Branch, was successfully crossed by land and sea directional drilling. The project's directional drilling length reaches 4,735 meters, breaking three records: the world's longest land and sea directional drilling crossing, the world's longest directional drilling crossing with a pipe diameter of more than 600 mm, and the world's longest directional drilling crossing of a natural gas pipeline.

As a major strategic project in Shenzhen City, the EPC gas supply line project from Dachan Island to Mawan Power Plant is an important part of the power supply construction of Guangdong Province and the upgrading and transformation of Mawan Power Plant. It will ensure energy supply in Shenzhen and help the environmental protection upgrade of Mawan Power Plant. Optimizing the layout of the natural gas pipeline network in western Shenzhen is of great significance.

The Southwest Branch of the Engineering Construction Company gave full play to its design advantages and core technical advantages in long-distance and large-diameter complex formation directional drilling, and formed a risk-controllable, economically reasonable project design plan within one month, and passed the review in one go, which took 2 months. Completed offshore structure platform design and review. During the crossing process, the company sent a team of experts to the site to provide full-time engineering design services to ensure the safety, quality and efficient crossing of the directional drill.