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Experimental Investigation of Nano Alumina and Nano Silica on Strength and Consistency of Oil Well Cement
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In oil and gas well cementing, a strong cement sheath is wanted to insure long-term safety of the wells. Successful completion of cementing job has become more complex, as drilling is being done in highly deviated and high pressure-high temperature wells. Use of nano materials in enhanced oil recovery, drilling fluid, oil well cementing and other applications is being investigated. This study is an attempt to investigate the effect of nano materials on oil well cement properties. Two types of nano materials were investigated, which are Nano silica (>40 nm) and Nano Alumina (80 nm) and high sulfate-resistant glass G cement is used. The investigated properties of oil well cement included compressive strength, thickening time, density, free water and rheological properties. All tests are conducted according to API specification and proceed in Laboratory of Drilling in Petroleum Technology Department in University of Technology and in Missan Oil Company. The experimental results show that NS and NAL behave like accelerators when added to cement and work to increase the compressive strength at 38°C but these increasing in compressive strength changes when the temperature is increased to 60°C. Also, adding NS and NAL lead to increasing in rheological parameter and reduce free water but the change in density is very small. The results show that the effect of NAL on compressive strength and thickening time is greater than the effect of NS but the effect of NS on free water and rheology is greater than the effect of NAL.

 

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Publication Date
Sun Sep 02 2012
Journal Name
Baghdad Science Journal
Paramyxoviruses and Multiple Sclerosis
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Multiple Sclerosis (MS) is a progressive neurological disease characterized by periods of quiescence and exacerbation, epidemiological data suggest the notion that MS is an acquired autoimmune disease caused by environmental factors, probably infectious, in genetically susceptible individuals.The submitted research was attempted to study the possible viral (Paramyxoviruses) role in MS, the sera of 57 MS patients were assayed for anti-measles and anti-mumps IgG antibodies using ELISA technique, the results were compared in order to establish the presence or absence of a significant difference regarding both number of positive cases and antibodies titer between the two groups, the results revealed that there is no in number of measles posit

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Publication Date
Sat Feb 02 2019
Journal Name
Journal Of The College Of Education For Women
Smoking and Social Behavior
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Publication Date
Fri Jun 29 2018
Journal Name
Journal Of The College Of Education For Women
Spinsterhood Reasons and treatments
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The research includes an introduction on Unmarried as one of the most dangerous phenomena's in Arab society in general and Iraqi society in specific especially after last decades wars that ruined the country and enlarged the number of unmarried women. First chapter dealt with the research problem that was increasing day after another while the percentage of unmarried women became 85% due to embargo and wars made by ex-regime that led to kill many Iraqis and decreasing marriage chances.

The research aims to recognize the reasons behind that and tries to find solutions by using quest ways and tools to get rid of old habits that represent obstacle marriage. The research dealt with unmarried in Arab countries where National Instituti

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Publication Date
Sun Jan 01 2023
Journal Name
Heart Transplantation
Cardioimmunology and Heart Transplantation
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Publication Date
Fri Jan 01 2021
Journal Name
Beirut: Kanz Publising House
Rumi and the Qura’n
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Publication Date
Thu Jan 22 2026
Journal Name
Journal Of Baghdad College Of Dentistry
Photodynamic Therapy and Periodontology
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This review highlights the importance of photodynamic therapy in periodontology. It can be confirmed that the photodynamic therapy as adjunct to classical scaling and root planing can be recommended as treatment option, which can by no means replace the classical therapy concepts. But even over an observation period of six months a slightly higher improvement of the clinical parameters was achieved than with SRP alone.

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Publication Date
Thu Mar 03 2016
Journal Name
Journal Of Baghdad College Of Dentistry
Photodynamic therapy and periodontology
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Publication Date
Mon Jun 01 2020
Journal Name
Journal Of Planner And Development
Senses and urban Landscape
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The city is often discussed in barren, eviscerated terms and in technical jargon by urban professionals as if it were a lifeless, detached being. In fact, it is a sensory, emotional, lived experience. How often do strategic urban plans start with the words ‘beauty’, ‘love’, ‘happiness’ or ‘excitement’, as opposed to ‘bypass’, ‘spatial outcome’ or ‘planning framework, So the research problem was formed by the weakness of the sensory perception of cities and the weakness of the sense of different spaces, which in turn leads to weakness of belonging, identity and clarity, Therefor we focus here on the sensory perception. The hypothesis Recognize Senses as helpful tool in increasing people's understanding of differe

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Publication Date
Wed May 24 2023
Journal Name
College Of Islamic Sciences
Rwandan branches and objectives
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This is a search for Al-Rwandiyah and its heretical deviant sects, and its destructive goals that targeted the Arab nation, and its true Islamic religion in order to exhale poisons of demolition and sabotage, leading to its racist, populist goals ( ) that the Magi aspire to to restore the so-called ancient Persian glories, and undermine the Abbasid caliphate.
Al-Biruni said: (And that a person will emerge who will restore the Magian state and seize all the land, and remove the king of the Arabs) (), and among the indications of Ibn Al-Nadim is that a populist man called Muhammad bin Al-Hussein who was turned into Zaidan () was (claiming... the transition of the Islamic state to a state Persia ..... and their religion, which is the rel

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Publication Date
Thu Jan 22 2026
Journal Name
Al–bahith Al–a'alami
Television and Agenda Building
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Most media studies on the development of the agenda have focused on the relationship between the content of the media and the audience of these media, and the extent of its impact on the agenda of the media, in addition to comparing it to the extent of interest in the agenda of those means. While in the construction of the agenda, we focus on the relationship between news sources and the media and the role of these sources in the process Building the agenda.These sources are institutions, parties, pressure groups, interest groups, the head of state and other media. The impact of these sources on the process of building the agenda are shown through the process of the selection of resources by the channel and communicators, and the technic

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