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How team deploys one injector, save $80m for Total

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as EAGE tasks oil firms on capacity building

By Udeme Akpan

GEologists, engineers and others have been tasked to be brave while always seeking to challenge known conventions in order to emerge with new findings, capable of enhancing oil and gas find in Nigeria.

Mr. Momodu Ogwogho and Dr. Olatunbosun Olagundoye, both of Total Upstream Nigeria Limited, disclosed these in their presentation at the Nigerian Chapter of European Association of Geoscientists and Engineers, EAGE, lecture in Lagos on March 21, 2019.


They also tasked them to work in teams as well as accommodate diverse opinions targeted at harnessing multi-expertise for the enhancement of operations.

In their presentation – Integrated Seismic Reservoir Characterisation & Sedimentology for Well Placement Optimisation – they said: “We encourage all, especially young geologists and engineers to be brave in taking decisions, challenge the known in order to achieve the unknown for the benefit of the industry.”

Learning from their experiences in the Niger-Delta, which culminated in the use of one injector instead of two, thus saving $80 million for Total, they said:” An integration of seismic reservoir characterisation, SRC, and sedimentological studies carries value in predicting the presence, extent and quality of reservoirs at different scale of investigation (from exploration to production).

“In this presentation, a single well was optimised to save the costs of two injector wells in a deepwater development setting.

“The ‘G’ field is located in the deep offshore waters of the Niger-Delta. The studied interval corresponds to turbiditic reservoirs of the R12. It was encountered previously by four exploration and appraisal wells, but only two wells encountered hydrocarbons.

“The seismic quality is fair to good in different places, but significantly degraded by a dense fault pattern in the zone of interest. Two injector wells were initially planned to support two producer wells, but the stakes were low, and hence the drive for an optimisation of the well count and placement.”

They added: “A horizontal water injector was designed to replace the initial two water injectors.

“The ‘base case’ net sand requirement was 400 mMD in the 7 fault panels to be traversed in the drain section. The well was drilled successfully and a total of 960 mMD net sand was encountered.”

The president of the association, Dr. Mayowa Afe, who is also the managing director, Danvic Petroleum International commended both Total and the presenters for sponsoring the event and brilliant presentation respectively.

“These brilliant presenters and other team members went to Nigerian universities, indicating that Nigerians are brilliant and that great things can happen when are tasked to work in teams. All we need is to have a better environment for operations in Nigeria.

“We can all do more to help. Recently, we sent some young students for internship in Shell. After six months, the company was able to turn them into experts, meaning that good things can happen when people are made to work in well-structured organisation with expertise and willingness to impart knowledge.”

He added: “We will like to challenge the International Oil Companies, including Shell, ExxonMobil, Chevron and Total to continue to pay more attention to building the capacities on our young professionals because they are the future in the making.”

He said the chapter, which has scheduled many events for 2019 and beyond remains, committed to the development of talents required in driving operations Nigeria’s oil and gas industry.

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