Establishment of First Drilling Contractor Energy Management System Stimulates Dynamic Optimization
- Hind Al Mulla (ADNOC Drilling) | Mohamed Hendawy (ADNOC Drilling) | Hatim Khalifa (ADNOC Drilling) | Dileep Chandran (ADNOC Drilling)
- Document ID
- Society of Petroleum Engineers
- SPE International Conference and Exhibition on Health, Safety, Security, Environment, and Social Responsibility, 16-18 April, Abu Dhabi, UAE
- Publication Date
- Document Type
- Conference Paper
- 2018. Society of Petroleum Engineers
- 7.4.3 Market analysis /supply and demand forecasting/pricing, 1.10 Drilling Equipment, 7 Management and Information, 1.10.5 Offshore Drilling Units, 1.10 Drilling Equipment, 4.5 Offshore Facilities and Subsea Systems, 1.6 Drilling Operations, 7.4 Energy Economics
- energy, environment, saving, optimization
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As a drilling contractor when NDC opted to put in place an Energy Management system it became imperative to establish a baseline of energy consumption so that improvement of energy practices could be measured against this baseline. The task was entrusted to DNVGL Noble Denton. But this posed a unique challenge because very little work had been previously done in the field of energy management by drilling contractors across the world. Due to this ready reference material was not on hand that could be adapted to achieve the baseline study. This paper explains the process adopted by both companies and the outcome of the effort.
The task was approached by first preparing an inventory of the energy consumers across the company. Because the company owned assets stretching across Onshore and Offshore, real estate and transport vehicles, the assets were first grouped into various types. These were:
Centralized crew camps
Head Office Buildings
Then a sample of each type of asset was visited and the main energy consumers identified. The energy consumption patterns of these assets was then examined to arrive at a specific consumption value that could serve as a baseline for continuous improvement.
The challenges of identifying a typical energy demand for drilling rigs arose from the fact that the energy demand was greatly influenced by the vagaries of the drilling program, type of well, operational practices etc.
Overcoming these challenges required that assumptions be made to rationalize the data so that it could be applied across the company assets.
The baseline energy audit was successfully concluded and areas for improvement were meaningfully identified.
This was the first time that a baseline energy audit for a drilling contractor had been prepared and it has paved the way for other drilling contractors to benefit from the effort. Not surprisingly the audit revealed that the major consumers were the rig engines and thus the maximum benefit could be realized from focusing the company energies on managing these engines. Naturally other easier to implement options exist and have been identified for improving the energy consumption
This is the first effort at establishing an energy consumption pattern for a drilling company in the region and is likely to become a trend very soon because the adoption of the recommendations can be easily and quickly translated into savings for the company running into millions of dollars.
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