Abstract

In the last decade, the monitoring systems have become a crucial component for the drilling and oil wellhead operations. The importance of such systems has been magnified by oil companies and the regulatory bodies after the Gulf of Mexico incident on Deepwater Horizon rig that took place on 20th of April 2010 in which eleven crewmen were killed. The data obtained by the monitoring systems can provide significant advisory data to assist the operators to mitigate the various risks during the operations and to reduce the maintenance cost of equipment. In this paper, an overview of recent studies on the existing monitoring systems for the drilling and oil wellhead operations technical challenges faced by operators and the benefits of monitoring systems has been presented......

Highlights

  • During the last decade, the major oil and gas companies have made more widespread use of monitoring systems for structural integrity to reduce cost and to satisfy increased regulation

  • For the product to be able to be used in operation, the Well Access Management System (WAMS) hardware has been through qualification according to the API 17F standard. a qualification program has been established to define functional, environmental, and system tests with corresponding acceptance criteria

  • An overview of the current studies on the existing monitoring systems for the drilling and oil wellhead operations, the technical challenges faced by operators and the benefits of monitoring systems had been performed

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Summary

INTRODUCTION

The major oil and gas companies have made more widespread use of monitoring systems for structural integrity to reduce cost and to satisfy increased regulation. An example of regulator body requirement is the Bureau of Safety and Environmental Enforcement (BSEE) introducing guidelines for Real-Time Monitoring of Offshore Oil and Gas Operations in 2015. Intervention and completion operations riser systems are exposed to high cyclic loads and as a consequence mechanical fatigue. Monitoring systems measure actual fatigue exposure of the equipment and provide the operator with real-time data which in effect could increase the lifespan of the workover risers by providing advisory input to the operator and assist in maintenance planning. A case study of a TechnipFMC monitoring system installed on a recent rig in the North Sea has been presented. As a result of the study, some practical recommendations to improve the system have been listed, based on the lessons learned from engineering, design, commissioning and system behaviour during operation has been presented

LITERATURE REVIEW
CHALLENGES DURING THE DRILLING OPERATION
BENEFITS OF SUBSEA DRILLING AND WELLHEAD LOAD MONITORING SYSTEMS
Fatigue
Damage index
Overview
Hardware architecture
Qualification
Calibration
DISCUSSION
CONCLUSIONS

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