water well construction Articles
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Baseline groundwater quality in unconventional oil and gas fields
In recent years, expansion of unconventional oil and gas production has prompted significant interest in potential impacts on drinking water resources. In many cases, water quality investigations rely on access to landowner water wells to develop baseline data prior to drilling; respond to spills, complaints, or incidents; or evaluate potential impacts due to drilling, completion, hydraulic ...
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Geotechnical, Geophysical, Topography, Water Well Drilling and Water Supply Company in Afghanistan
Water Well Drilling, Geophysical, Geotechnical, Construction Materials Testing, Topography, Mapping and Water Supply Company in Afghanistan. Established and registered at Ministry of Commerce and Industries in July 28, 2004. Pyramid started its services as the first professional engineering company in the fields of water well drilling, geophysical surveys and geotechnical investigations in ...
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Understanding Sonic drilling
What is sonic drilling? Sonic drilling is a technique that significantly reduces friction on the drill string and drill bit by using energy resonance to affect the soil structure where it contacts the drill string. This combination makes penetrating for a large range of soils much easier. Sonic drilling is most often used when the drilling is difficult and the integrity of the core sample is ...
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Building demonstrates benefits of net-zero water reuse
A unique research project to demonstrate the effectiveness of net-zero water use buildings is underway at the University of Pittsburgh and the Center for Sustainable Landscapes at Phipps Conservatory and Botanical Gardens in Pittsburgh. The decentralized water system at CSL treats all nonpotable water on-site. The university is documenting the benefits and costs of the novel water-reuse system, ...
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Understanding Sonic drilling
What is sonic drilling? Sonic drilling is a technique that significantly reduces friction on the drill string and drill bit by using energy resonance to affect the soil structure where it contacts the drill string. This combination makes penetrating for a large range of soils much easier. Sonic drilling is most often used when the drilling is difficult and the integrity of the core sample is ...
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UAT - Leo J. Vander Lans Water Treatment Facility Uses UAT RO System to Treat Recycled Wastewater
Located along the Los Angeles and Orange County border in California, the Alamitos Barrier protects a portion of the Central Basin from seawater intrusion. Through the years, over-pumping of ground water basins has caused water levels to drop and seawater to enter the basins. To prevent additional contamination, seawater intrusion barriers using potable water to source injection wells were ...
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Field investigation of aquifer storage and recovery (ASR) technique to recharge groundwater: a case study in Punjab province of Pakistan
Fast decline of groundwater levels in Pakistan requires the use of artificial recharging techniques to minimize the adverse effect of over pumping. A study was conducted in the Toba Tek Singh district, Punjab, Pakistan, to investigate aquifer storage and recovery (ASR) technology to recharge groundwater. The facility was developed by drilling a pumping/injection well and constructing the ...
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Unsealed tubewells lead to increased fecal contamination of drinking water
Bangladesh is underlain by shallow aquifers in which millions of drinking water wells are emplaced without annular seals. Fecal contamination has been widely detected in private tubewells. To evaluate the impact of well construction on microbial water quality 35 private tubewells (11 with intact cement platforms, 19 without) and 17 monitoring wells (11 with the annulus sealed with cement, six ...
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Venezuela’s Water and COVID-19 Crises
Economic and infrastructure problems hamper the availability of water for basic hygiene measure According to the World Health Organization (WHO) office of Water, Sanitation, and Hygiene (WASH), hand-washing is the No. 1 COVID-19 prevention strategy. That makes it difficult to grapple with the COVID-19 pandemic in Venezuela, where only 18% of citizens have reliable access to safe water. But the ...
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Storing Heat Underground
Underground thermal energy storage (UTES) is a system that uses inter-seasonal heat storage, storing excess heat from the summer for use in winter heating, and the cooling potential from winter for cooling in summer. A cost-effective, low-energy and low-risk proven renewable technology, UTES reduces carbon emissions by up to 60% and is becoming an increasingly popular choice for residential, ...
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