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News // Off-shore drilling

Rosneft starts drilling offshore production wells in Vietnam

15 May 2018 , 14:06Neftegaz.RU699

Hanoi, May 15 - Neftegaz.RU. Rosneft Vietnam has started drillling of LD-3P (Lan Do field) production well as part of Block 06.1 development. Rosneft acts as an operator of this project which proves high level of its competencies in implementation of complex offshore drilling programs that are technically challenging.


Target depth of the well is about 1200 m along the well bore, sea depth at the drilling site is around 160 meters. As estimated Lan Do field has initial natural gas reserves of 23 billion cubic meters. Underwater infrastructure objects will be built and connected to operating offshore objects of Block 06.1 (Lan Tay platform) in order to develop additional reserves of the field.


Processed gas and natural gas liquid are delivered from the platform to the shore by the 2-phase Nam Con Son pipeline that is 370 km long. It is the longest 2-phase pipeline in South East Asia. Due to the 2-phase technology gas and gas condensate are delivered to the onshore processing facility simultaneously.


Apart from that during 2018 Rosneft is also planning to perform sidetracking of previously drilled PLD-1P exploration well on Phong Lan Dai field (Wild Orchid) which is also located within Block 06.1. Target depth of the well is 1300 meters. As a result the well will be reclassified as a production well.


Wild Orchid field was discovered during drilling campaign of 2016 when Rosneft was engaged as an operator of an international offshore drilling project for the 1st time. The field revealed commercial gas reserves of 3,4 billion cubic meters.

Offshore infrastructure objects are being constructed on Lan Tay platform in order to deliver gas & natural gas liquids from the Wild Orhid field. Drilling on Lan Do and Phong Lan Dai will be carried out using Japanese drilling equipment Hakuryu-5 made by Japanese company Japan Drilling Co., Ltd (JDC).


Block 06.1 production wells will be connected to existing infrastructure objects which will provide synergy between 2 projects, help to speed up wells commissioning and maximize effectiveness of Block 06.1 fields development in Vietnam.


Under Vietnam offshore projects Rosneft implements the most advanced technologies available on the market. In 2017 about 9% of Vietnam energy needs were covered by gas produced by the company.


To read the news in Russian.




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