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While drones have been used on oil and gas facilities for video inspections and other tasks, they have been operated by an on-site pilot or one positioned on a bobbing workboat adjacent to an offshore platform. Now a proof-of-concept study conducted by TechnipFMC has tested the feasibility of a global drone system with drones operated remotely by pilots based anywhere in the world. The study is the subject of a paper (OTC 30241) presented at the Offshore Technology Conference Asia in Kuala Lumpur in November. Construction supervision and health, safety, and environmental (HSE) monitoring were the main drivers of the study. The construction supervision application is part of a larger digitalization ambition to monitor and manage construction activities with data generated from the drone ultimately feeding an internal software dedicated to this business process.
More than 60 oil and gas companies committed on 23 November to a new framework to report methane emissions as the United Nations reported that atmospheric levels of the greenhouse gas reached a record high. As a part of the voluntary framework, companies will share their own methane reduction targets with OGMP, an initiative managed by the UN Environment Programme. The plan revamps an existing OGMP framework and calls on companies to outline how they will realize their objectives to cut methane emissions. The 62 companies that have joined OGMP represent an estimated 30% of global oil and gas production, according to the partnership. The group said it seeks to deliver a 45% reduction in the oil and gas industry’s methane emissions by 2025.
Canada’s methane emissions from the oil and gas sector in Alberta and Saskatchewan are almost twice as high as had been previously reported, according to a new study by federal government scientists. The study, published online in the journal Environmental Science and Technology, says the scientists measured methane in the atmosphere at four spots in the western provinces from 2010 to 2017. That’s almost double the sector’s annual average of 1.6 megatonnes as reported by the government’s yearly tally of national greenhouse gas emissions, the study says. Because methane is a powerful greenhouse gas, this difference equates to an extra 35 megatonnes of carbon dioxide pollution each year, the study says, using the same conversion ratio as the government. The study was done by scientists in the same department that releases this annual emissions “inventory.”
Wang, Yiran (School of Transportation, Southeast University) | Xu, Sudong (School of Transportation, Southeast University) | Xie, Boyi (School of Transportation, Southeast University) | Xie, Wen (School of Transportation, Southeast University) | Zhou, Jia (School of Transportation, Southeast University) | Xu, Mengxiao (School of Transportation, Southeast University)
The eastern coastal areas of China are widely distributed with flexible vegetation due to the effect of climate, which have a great influence on wave attenuation. This paper used the XBeach model to simulate the the effect of wave attenuation under flexible vegetation on slope beach by respectively changing the relative height, diameter, density and vegetation coefficient of the plants. Results show that the effect of wave height attenuation by flexible vegetation increases with the increase of relative height, diameter, density and vegetation coefficient and with the increase of each parameter, the increasing tendency of attenuation gradually weakened.
With the development of society and the deepening of the process of industrialization, human activities have made more profound changes to the global climate. Among the marine disasters caused by climate change, storm surge disasters in coastal areas are more extensive and have certain research significance. Therefore, the exploration of methods for preventing waves and attenuating waves and protecting the embankments and the shoreline along the coast has also been a hot topic. Different from traditional invasive hard coastal engineering, aquatic vegetation distributed at the boundary of sea and land is of great significance for wave mitigation in coastal zones, especially in extreme weather such as storm surge (Feagin et al., 2011). In recent years, coastal areas have been increasingly demanding protection of the ecological environment and coastal vegetation has become a good material for ecological revetment due to its certain wave-reducing effect and environmental-friendly characteristics. Research on the effect of coastal wave vegetation on wave-revetment and protection needs to be studied further. In terms of field observation, Möller et al.(1999) have shown that after going deep into the Spartina alterniflora salt marsh 20-30m, the wave height attenuates to 29% and the energy loss is about 90%. Yang et al.(2012) measured the wave parameters of 13 continuous tides on the coast of the tidal reach of the Yangtze River estuary, and calculated the wave attenuation of S. alterniflora at the edge of the coastal salt marsh. The results showed that the wave height attenuation rate per unit distance on the coastal tidal flat covered with vegetation is 1 to 2 orders of magnitude higher than the attenuation rate at mudflats.
Methane (CH4), the primary constituent of natural gas and is the second-most abundant greenhouse gas after carbon dioxide (CO2), accounts for 16% of global emissions. The lifetime of methane in the atmosphere is much shorter than CO2, but CH4 is more efficient at trapping radiation than CO2. Pound for pound, the comparative effect of CH4 is more than 25 times greater than CO2 over a 100-year period. Natural-gas emissions from oil and gas facilities such as well sites, refineries, and compressor stations can have significant safety, economic, and regulatory effects. Continuous emission detection systems enable rapid identification and response to unintended emission events.
Halliburton announced today that it has entered a program designed for companies to reduce their greenhouse-gas emissions (GHG). The oilfield services company said it has submitted a letter of intent with the Science Based Targets Initiative (SBTI), the first step to developing a full-fledged emissions-reduction plan under the initiative. Halliburton plans to establish its first emissions targets next year with the SBTI. The SBTI is then expected to independently validate the targets by 2022. The SBTI was formed in 2015 and includes more than 1,000 corporate members.
The paper presents a risk management tool that assesses the impact that potential future carbon taxes will have on a company's hydrocarbon Reserves base and associated cashflows. Based on a number of case studies, this paper will present a practical application of the open-source engineering-based model called Oil Production Greenhouse Gas Emissions Estimator (OPGEE), developed by Stanford University. The paper will demonstrate the application of the OPGEE model in the assessment of a range of carbon taxes, how they may vary the economic limit of a field's Reserves, and how this may influence a company's future field development decisions. This tool becomes useful in the risk management of the portfolio planning and capital allocation process where carbon tax risk can be objectively assessed and tested. If utilised correctly, the model can help to future-proof a company's hydrocarbon assets in an increasingly carbon constrained world. Asset owners or potential asset acquirers can assess the materiality of potential carbon tax impositions on assets and can prepare and adjust portfolios accordingly on an informed basis.
In 2012, the International Energy Agency (IEA) released the ‘Golden Rules for a Golden Age of Gas’ - a set of best practice guidelines for unconventional gas development designed to address key environmental and social risks and gain public acceptance of the industry. This study sought primarily to understand the extent to which the experience of developing a large-scale coal seam gas (CSG) to liquefied natural gas (LNG) industry in Queensland, Australia was seen to have aligned with the Golden Rules, and how well the Golden Rules were seen to contribute to public acceptance of the industry.
An evaluation tool was developed where the seven Golden Rules and their subclauses were adopted as criteria in a scorecard approach. We conducted interviews with 32 senior people who had been directly involved in the development of the CSG industry in Queensland, from local, state and federal governments, gas companies, host communities as well as researchers and consultant ‘experts’.
The Queensland experience of unconventional gas development rated reasonably well in relation to the Golden Rules, with scores of three or higher out of five for four of the seven rule categories. Across all the Golden Rules, industry performance scored more highly than the effectiveness of the policy/regulatory environment, highlighting the complex and sometimes conflicted roles of governments in developing a new industry. The rules addressing baseline measurement, full disclosure and engagement were seen as most important for public acceptance.
This study developed a new tool to evaluate perceived social and environmental performance of industry and effectiveness of governance in unconventional gas development applicable across different jurisdictional contexts. This application suggests that baseline measurements, open disclosure and public engagement should be the focus for building public acceptance. For new gas developments, these findings highlight the importance of having a robust regulatory environment in place that can coordinate activities and manage cumulative impacts.
Electricity systems around the world are changing, with the Paris Agreement of 2015 a catalyst for much of this current change.
The changing generation mix, along with the need to maintain a competent grid, is resulting in previously acceptable cost comparison metrics being used outside of their limited range of applicability. Electricity generation facilities do not only provide energy, they also provide an array of additional services which are fundamental to maintaining a permanent and reliable electricity supply across the system. These services, corresponding costs and operational implications need to be included in the evaluation of technologies in order to ensure the grids emerge transformed, resilient and genuinely sustainable. Total System Cost is the most appropriate economic metric for analysis and decision making in a future, low emissions grid.
This paper explores the outputs of the MEGS model (Model of Energy and Grid Services), showing the outcomes if a single technology group is favoured. High renewables, gas and carbon capture and storage scenarios are discussed. The optimal route to power grid decarbonisation needs to be be viewed as a team sport, not a race. It's an "and" not an "or" solution. There's a range of technologies that have very different, yet important, roles to play in providing the pathway to a low emissions, competent and reliable supply at the lowest total system cost.
The first rendering of what is to be the world’s largest direct-air-capture-plant in the Permian Basin. The facility is expected to capture up to 1 million metric tons of CO2 annually for enhanced oil recovery operations in Texas. Occidental Petroleum (Oxy) announced this week that it is joining the race to net-zero carbon emissions. The first step will be to eliminate or offset emissions from its own operations by 2040. The more ambitious leap will require the Houston-based company to do the same for all the oil and gas products it sells by 2050.