horizontal well Articles

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Evaluation of a Horizontal Well

by Directed Technologies Drilling Incorporated (DTD)  (Oct. 5, 2010)

Background: Air Sparging Air sparging is an in-situ remediation technology where air is injected into the saturated zone of an aquifer. It is an alternative to conventional ex-situ pump and treat systems for remediation of contaminated ground water. It is necessary to understand the pattern of air flow that will occur in the subsurface in order ...

Horizontal Wells - Technology Overview

by Groundwater Remediation Technologies Analysis Center  (Jan. 1, 1996)

Horizontal well technology has been incorporated into many current environmental remediation applications (and associated contaminants), such as in situ bioremediation, air sparging, vacuum extraction, soil flushing, free product recovery, etc. Ac cording to information reviewed, this technology is most applicable to sites with relatively shallow ...

Time-Tested Advantages of Horizontal Wells

by Directional Technologies, Inc.  (Oct. 22, 2010)

Wells are wells are wells, right? Both conventional vertical wells and directionally drilled horizontal wells have a screened casing that is connected to solid riser casing which leads to the ground surface. Groundwater or soil vapor is drawn through a well screen to remove contaminants. Remediation agents such as air, bioamendmnents or potassium ...

Measuring Offshore Wind Resources

by Renewable NRG Systems  (May 12, 2016)

To select the right offshore wind site, estimate the future energy output of a wind farm, and determine the best layout for the turbines, project developers must conduct wind resource assessment (WRA) campaigns on site. This is a critical phase of the successful development of wind farms. WRA campaigns on terrestrial sites have traditionally been ...

Climate Action in the US

by Energy Institute (EI)  (May 16, 2016)

I had the good fortune to be invited to the Climate Action 2016 Summit in Washington DC in early May. This was a truly stellar event hosted by the UN Secretary General, the World Bank, the Rockefeller Foundation and the World Business Council for Sustainable Development. The broad aim was to galvanise bottom-up climate change action as implied by ...

Read about Confined Space in Construction and Atmospheric Testing Right Here!

by Argus-Hazco  (May 19, 2016)

In 1993, 29 CFR 1910.146 went into effect as the first federal legislation governing entry into permit-required confined spaces in general industry. Because some industries, such as the construction industry, were covered by specific Occupational Safety and Health Administration (OSHA) safety regulations, they were exempt from the confined space ...

How much does a Horizontal Remediation Well cost?

by Directional Technologies, Inc.  (Oct. 22, 2010)

In the early days of horizontal remediation wells, the estimated costs made many projects completely unfeasible. However, with the advance of technology in directional drilling and innovative solutions within the environmental industry, this technology is becoming affordable and practical. Like most environmental projects, the cost of a Horizontal ...

Electrical heating with horizontal wells, the heat transfer problem

by McMillan-McGee Corp.  (May 13, 2011)

Outline Present our mathematical solution of the axial heat transfer problem for electrical heating of a horizontal well. Present some results. Calculation Procedure Derive the Heat Transfer PDE for each region. Obtain the Laplace Transforms of these equations. Solve the above equations. ...

Horizontal Soil Vapor Extraction and Horizontal Air Sparge Wells Case Study-

by Directional Technologies, Inc.  (Jul. 6, 2011)

Directional Technologies Is The Expert At Horizontal Soil Vapor Extraction   A horizontal soil vapor extraction well and two horizontal air sparge wells rapidly remediate contamination in situ under a research and development facility. These horizontal wells were installed by environmental directional driller Directional ...

Horizontal Remediation Wells used in order to preserve military security

by Directional Technologies, Inc.  (Nov. 11, 2010)

Project Description: Remediate a plume of trichloroethylene (TCE) under multiple military buildings by air sparging (AS) and soil vapor extraction (SVE). There are two target zones: the shallow zone is approximately 70' below grounds surface (bgs) and 20' below this is the deep zone. The plume was located under multiple buildings comprising an ...

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