horizontal wells Articles

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New approach makes faster and efficient work of oil spills

by DESMI A/S  (Sep. 29, 2014)

A comprehensive new study of oil’s behaviour in various sea conditions has resulted in significant advances in oil spill recovery using boom-style systems. Put into practice in DESMI ‘s Speed-Sweep Oil Spill Response (OSR) solution, the new approach speeds up oil recovery, increases encounter rates, covers a wider area in a shorter ...

About Machine and Blade of CNC Horizontal Hard Turning Machine

by Shenyang Hermos CNC Machine Tool Co.,Ltd.  (Oct. 8, 2014)

As the biggest cnc lathe hard turning manufacturer,we have the most advanced technology, the most professional technical team.So we bileve we will sport the mosr professional and the best Services. 1. Machine Stiffness determines the cnc hard turning lathes machine precision. Manufacture of machine tools for nearly 15 to 20 years, almost ...

Introducing Riverside`s newest horizontal waste baler - the HZ50T

by Riverside Waste Machinery  (Oct. 7, 2014)

As interest in Riverside Waste Machinery's newest waste baler heats up, managing director Jonathan Oldfield tells us a little more about this latest addition to the fleet... Q: What is your product/technology? Riverside Waste Machinery’s RWM HZ 50T semi-automatic horizontal baler. Q: How does it work? When materials are fed into the hopper, ...

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 ...

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 ...

Cuyama Case Study (Ex Situ Gas Thermal Remediation(GTR™))

by GEO Inc  (Oct. 29, 2014)

Ex Situ Thermal Desorption was used to successfully treat TPH-d and TPH-g from a former AST spill site in the agricultural zone in Central California. Affected soils were excavated and then placed “in a pile”, and Gas Thermal Remediation (GTR©) horizontal wells were placed into the pile during its three day construction. The piled ...

Reuse of constructed wetland effluents for irrigation of energy crops

by IWA Publishing  (Nov. 18, 2014)

The aim of this study was to evaluate biomass production of promising ‘no-food’ energy crops, Vetiveria zizanoides (L.) Nash, Miscanthus × giganteus Greef et Deu. and Arundo donax (L.), irrigated with low quality water at different evapotranspiration restitutions. Two horizontal subsurface flow (H-SSF) constructed ...

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. ...

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. ...

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