horizontal wells Articles

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Horizontal mixers for secondary combustibles case study

by AVA- Huep GmbH u. Co. KG  (Apr. 14, 2014)

The manufacture of secondary combustibles from household waste, industrial waste and special waste in accordance with statutory requirements is to be a huge challenge for system suppliers in the coming years. Currently, at times, extremely differing substances are treated in such a way that they can be loaded into conventional furnaces. The most ...

Effect of the number and length of zonal isolations on pressure behaviour of horizontal wells

by Inderscience Publishers  (Feb. 21, 2014)

Horizontal wells with multiple zonal isolations have become a common completion technique in the oil and gas industry. Sand problems, damaged zones, and water or gas coning are the main reasons for using isolators to sustain or improve oil and gas recovery. However, they have certain effects on pressure behaviour of horizontal wells. This paper ...

The Future For Fracking

by Biolargo, Inc.  (Apr. 10, 2014)

Summary -Fracking is an essential technology to meet growing global demand for oil and gas. -Fracking has become the "F" word, because it is very water-intensive, and has potential negative impacts on the environment. -The future of fracking will be constrained if adequate water is not available and if solutions for decontaminating wastewaters are ...

Start-up of first 100 kw system in Shanghai with 3-sun PV Mirror modules

by JX Crystals  (Aug. 28, 2014)

ABSTRACT Thanks to funding from the Shanghai City government, Shanghai Import Export Trading Company, and Shanghai Flower Port, we have designed and fabricated in pilot production the first 3-sun 180 W (STC) mirror panels. Three of these panels were first tested in the US showing calibrated PTC ratings of 150 W. Then 24 panels were installed on ...

Treatment of municipal wastewater using horizontal flow constructed wetlands in Egypt

by IWA Publishing  (Jan. 16, 2014)

The aim of this study was to evaluate the performance of two pilot horizontal flow constructed wetlands (HFCWs) with and without vegetation. Three types of plants namely Canna, Phragmites australis and Cyprus papyrus were used. The surface area of each plant was 654 m2. The flow rate was 20 m3 d−1 and the organic ...

Determination of horizontal in-situ stresses and natural fracture properties from wellbore deformation

by Inderscience Publishers  (Dec. 2, 2013)

Accurate and low-cost information on in-situ stresses and fracture properties is critical in reducing well costs and increasing well recoveries. In this paper, a hybrid model based on the displacement back analysis is proposed for determining the in-situ stress magnitudes and fracture properties at the wellbore scale using wellbore displacements. ...

Evaluation research on performance of permeability and fracture in Sulige gas field by new method

by Inderscience Publishers  (Jun. 2, 2014)

Tight gas is the most available alternative unconventional natural gas in China. Its potential is huge and the Sulige gas field is the biggest one. However, there are many urgent development problems to be solved, and evaluating well performance is of one of them. Low permeability, strong stress sensitivity and hydraulic fracturing make it ...

Design, construction and performance of a horizontal subsurface flow wetland system in Australia

by IWA Publishing  (Nov. 13, 2013)

Malabugilmah is a remote Aboriginal community located in Clarence Valley, Northern NSW, Australia. In 2006, seven horizontal subsurface flow wetland clusters consisting of 3 m × 2 m wetland cells in series were designed and constructed to treat septic tank effluent to a secondary level (Total Suspended Solids (TSS) < 30 mg/L and ...

Pressure behaviours and flow regimes of a horizontal well with multiple inclined hydraulic fractures

by Inderscience Publishers  (Dec. 4, 2012)

Hydraulic fractures have become a common stimulation application in the oil and gas industry, especially in tight formations. Published models assume the hydraulic fractures are vertical and symmetric. However, recent studies have shown that fractures are asymmetric and inclined with respect to the vertical direction and the axis of the wellbore. ...

What Is a Vertical Baler?

by Harden Industries Ltd.  (Jul. 3, 2014)

Vertical Balers are machines that are commonly used in the recycling industry to form and press old cardboard into There are a number of different types of balers, all of which are designed to compact waste materials. These machines are similar to compactors, with one important difference. Unlike compactors, balers are designed to produce blocks, ...

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