The Role of Service Company to Establish the Well Integrity in Well Construction

：Well integrity has been getting more importance for the oil and gas well construction over the entire E&P industry especially after the Deepwater Horizon oil spill. With such the trend in the industry, each operator company has tightened their well integrity standards to be complied for their operation. To reduce the risk of well integrity, operational and technical solutions are crucial and those are the mission of a service company to provide in the industry. Therefore, we introduce the recent technology development of a service company in this paper. Firstly, well barrier planning cloud solution is introduced as a core of well integrity. Secondly, cementing operation and slurry selections are focused. Lastly, recent cement evaluation technology is described.