![]() ![]() But now that the festivities are over … what’s next? With the COP27 climate summit kicking off in Egypt in early November, the video also serves to more broadly expose high-level delegates from low- and middle-income countries in Africa and South Asia to Drawdown Lift’s research on the climate-poverty nexus and emphasizes the powerful role that climate mitigation solutions can play in improving quality of life in some of the world’s most climate-vulnerable countries.īetween keynote talks, sold-out panel discussions and early looks at some new content, Project Drawdown was proud to bring climate solutions to the main stage at Climate Week NYC last month. With its release timed to coincide with International Day of Climate Action 2022, this new Project Drawdown video aims to inform, inspire, and engage influential leaders and institutions to advance policy discussions about climate solutions that can substantially contribute to socioeconomic development priorities and promote low-carbon pathways to growth. 32 references.Did you know that climate mitigation solutions that contribute to increasing human well-being, alleviating extreme poverty, addressing inequities, and advancing adaptation are at hand?īuilding off of the key findings contained within its landmark 2022 Climate-Poverty Connections report, the Drawdown Lift program is excited to announce the official release of a new video-“Climate Solutions that Boost Human Well-Being in Africa and South Asia”-which illuminates various pathways for policymakers and decision-makers to harmonize policies and align funding to address climate change and poverty synergistically across sub-Saharan Africa and South Asia. ![]() This leads to a formula relating the extrapolated pressure to the average reservoir pressure through a sum of Matthews- Brons-Hazebroek functions. Both Horner and Matthews- Brons-Hazebroek analysis have natural extensions from single- to multiple-rate buildup data. Limitations on the use of standard methods to determine the distance to the nearest boundary in more » closed reservoirs, both for short and long producing times, also are investigated. The results, based on derivatives of dimensionless pressures, also have some bearing on the use of drawdown type curves to analyze buildup data. This concerns limitations on the end of semilog data caused by approximations of the drawdown transient, and not limitations on the beginning of such data caused by effects in or near the well bore. This study presents methods to determine the range of applicability of Horner and Miller-Dyes-Hutchinson analysis for a variety of reservoir shapes, outer boundary conditions, and producing times. Using the results from the first part of the paper, it follows that a single-rate Horner plot can be used if all drawdown transients have lasted longer than t = 0.08, even if a longer producing time is needed to reach pseudosteady state. This leads to a formula relating the extrapolated pressure to the average reservoir pressure through a sum of Matthews-Brons-Hazebroek functions. Both Horner and Matthews-Brons-Hazebroek analysis have natural extensions from single- to multiple-rate buildup data. ![]() This is important since exact doubling only occurs under favorable conditions. From an example presented, it is evident that exact doubling of the semilog slope is not necessary to determine this distance, but such doubling simplifies the analysis. Limitations on the use of standard methods to determine the distance to the nearest boundary in closed reservoirs, both for short and long producing times, are also investigated. This is important when use of later portions of test data are essential to obtain valid results. Moreover, they imply that the ''producing time'' used in Horner analysis, more » or in type-curve analysis based on Agarwal's effective drawdown time, can be limited by t = 0.08 for closed reservoirs. This concerns limitations on the end of semilog data caused by approximations of the drawdown transient, and not limitations on the beginning of such data caused by effects in or near the wellbore. =, number = ,Ī major objective of this paper is to present methods to determine the range of applicability of Horner and Miller-Dyes-Hutchinson analysis for a variety of reservoir shapes, outer boundary conditions, and producing times. ![]()
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