unconventional oil 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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Workshop Report: Developing a Research Agenda for the Energy-Water Nexus
The energy-water nexus has attracted public scrutiny because of the concerns about their interdependence and the possibility for cascading vulnerabilities from one system to the other. There are trends toward more water intensive energy, (such as biofuels, unconventional oil and gas production, and regulations driving more water consumption for thermoelectric power production) and more energy ...
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Advanced Water Treatment and Evaporation Systems Produce High Efficiency
AQUATECH IS CHANGING THE GAME in the water recycling industry through its SmartMOD Modular Evaporator System and HEVAP High Efficiency Evaporation Process for SAGD Water Treatment. For over 30 years, the company has focused exclusively on desalination, water reuse, and zero liquid discharge with water purification technologies suited for global industrial, upstream and downstream conventional and ...
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Electrical control valve actuators on oil and gas production separators
Overview Wherever there are oil and gas production facilities there is one specific piece of equipment that is almost always present, the separator. Depending on the nature of the reservoir, oil, gas and water are present in varying proportions. The first stage of any hydrocarbon production process once the product has started to flow from the well is to separate the gas from the liquids and the ...
By Rotork plc
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Frac Water Reuse Technologies - Case Study
The Challenge The worldwide energy sector has accelerated the development of its unconventional oil and gas resources through increased use of horizontal drilling and hydraulic fracturing practices. Water is an essential element in the fracturing process and the recycling or reuse of spent water can dramatically reduce costs. The volume of water required to fracture a well varies, but it ...
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Crude Oil and Natural Gas Industry Reduced Emission Completion NSPS Requirements
As 2015 quickly approaches, there is still momentum in the development of domestic unconventional oil and gas resources. Therefore, exploration and production companies utilizing hydraulic fracturing are reminded that the final compliance provisions for reduced emission completions (RECs) pursuant to 40 CFR Part 60, Subpart OOOO (Standards of Performance for Crude Oil and Natural Gas Production, ...
By All4 Inc.
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Tar oil pipeline’s hidden pollution danger
The oil industry has high hopes of the US$5.4 billion Keystone XL pipeline, which on completion is planned to carry crude oil from Canada’s tar sands in Alberta to refineries more than 2,000 miles away in Texas. With President Barack Obama saying he will approve Keystone only if it “does not significantly exacerbate the problem of carbon pollution”, the pipeline’s future ...
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Optimal CO2 metering solution critical to enhanced oil recovery
As oil wells age, the internal pressure gradually drops while fluid levels tend to move away from the production zone. To combat the resulting production declines at those wells, oil and gas companies turn to enhanced oil recovery to optimize output. Carbon dioxide (CO2) injection and water alternating gas injection, also known as WAG, are unconventional enhanced oil recovery processes that ...
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Gas injection to increase recovery from the Bakken formation
The Bakken formation, in the Williston Basin, has tremendous oil reserves estimated to be in the hundreds of billions of barrels. During the last decade, the Bakken has been rapidly developed with advances in horizontal drilling and improved multi–stage hydraulic fracturing. The primary recovery factor, however, has remained very low, around 5%–10% due in part to the extremely low permeability. ...
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Hydraulic “Fracking”: Are surface water impacts an ecological concern?
Use of high‐volume hydraulic fracturing (HVHF) in unconventional reservoirs to recover previously inaccessible oil and natural gas is rapidly expanding in North America and elsewhere. Although hydraulic fracturing has been practiced for decades, the advent of more technologically advanced horizontal drilling coupled with improved slickwater chemical formulations has allowed extensive natural ...
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Wilderness protection and the art of compromise
Wilderness legislation in the U.S. increasingly requires broad support from a variety of constituents who may or may not see eye to eye On Sept. 3, 1964, U.S. President Lyndon B. Johnson signed the Wilderness Act into law, officially setting aside 9.1 million acres of federal land “where the earth and its community of life are untrammeled by man, where man himself is a visitor who does not ...
By Ensia
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