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Oando Employees Publish Technical Paper Titled; Implementation Of A Well Integrity Management System In The Nigeria Agip Oil Company Joint Venture NAOC JV Using Peleton WellView Software.

Oando Employees Publish Technical Paper Titled; Implementation of a Well Integrity Management System in the Nigeria Agip Oil Company Joint Venture NAOC JV Using Peleton WellView Software.

Adeyemi Adebajo, Daniel Emuchay, Olubunmi Adeyinka, Damilola Oseni, and Babafemi Onasanya, Oando Oil Limited; Promise Wopara, Nigerian Agip Oil Company; Victor Onyekwere and Chris MacDonald, Peloton

Copyright 2020, Society of Petroleum Engineers

This paper was prepared for presentation at the Nigeria Annual International Conference and Exhibition originally scheduled to be held in Victoria Island, Lagos, Nigeria, 11 – 13 August 2020. Due to COVID-19 the physical event was not held. The official proceedings were published online on 11 August 2020.

This paper was selected and peer reviewed for presentation by an SPE program committee following review of information contained in an abstract and paper submitted by the author(s). Contents of the paper have not been reviewed by the Society of Petroleum Engineers and are subject to correction by the author(s). The material does not necessarily reflect any position of the Society of Petroleum Engineers, its officers, or members. Electronic reproduction, distribution, or storage of any part of this paper without the written consent of the Society of Petroleum Engineers is prohibited. Permission to reproduce in print is restricted to an abstract of not more than

300 words; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of SPE copyright.


The NAOC JV, comprising 20% NAOC, 20% Oando Oil Ltd, and 60% NPDC working interests, owns over 400 wells in OML 60 – 63 within the Niger Delta region of Nigeria. To ensure well integrity and protect property, lives and the environment throughout the well life cycle, first and second line wellhead maintenance  activities  involving  greasing,  leak  testing,  function  testing,  repair  and  replacement  of  tree valves and down-hole safety valves (DHSV) are carried out based on approved well integrity programs.

The Well Integrity Management System (WIMS) provides guidelines for first line wellhead maintenance activities frequency in line with API recommendations; second line wellhead maintenance is carried out on an as needed basis to ensure the integrity of all wells throughout their lifecycles.

WIMS implementation using WellView is a smart well integrity surveillance system that generates and sends auto emails to selected users on well integrity issues based on preset criteria for leak rates and casing pressure limits. This has been effective in timely identification of issues before they become major problems. It also triggers proactive actions on critical wellhead system components that are nearing failure based on results of analyses.

This  paper  describes  the  workflow,  strategy  adopted  by  our  IT  team,  coding  developed  by  Peloton WellView consultants and issues encountered in achieving this feat; current issues and proposed solutions are also discussed.

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