The hydrated products of Class G cement drastically change after exposure to CO2 satd brine compromising the cement phys properties esp the compressive and tensile strengths In this study the effect of different concns of the synthetic polypropylene fiber PPF on the cement matrix strength retrogression resistance under the
Use specific keywords When searching for information on Class G and H cements use specific terms like "Class G cement properties " "Class H cement applications " "oilfield cementing techniques " etc Include relevant keywords Add keywords related to oil and gas industry such as "wellbore integrity " "horizontal wells " "HPHT environments " "cement slurry " etc
·The cement slurry was mixed at room temperature and left to cure for a period of 24 hours after which the tests were carried out Table 1 Cement slurry composition Cement System System 1 System 2 System 3 Density ppg Water cement ratio Cement Type Class G Class G Class G Seawater %bwoc
Complex wells with high temperature and the presence of carbon dioxide and hydrogen sulfide acid gas require the use of high temperature and high density anti corrosion cement slurry for cementing
·In this study the elastic material properties of high sulfate resistant HSR Class G cements are investigated for a special case implemented in solution mining There are no published studies to date on the mechanical properties of Class G oil well cements for more than 3 days of curing time and various water cement ratios
Class G Class G well cement fulfills the onerous requirements of API Specification 10A such as predictable thickening time low viscosity low free fluid fluid loss control and strength Microsilex is a natural silica based product with pozzolonic properties It acts a replacement for silica fume in oil and gas well cement slurries
·The results showed that adding % by weight of cement BWOC of the tire waste material considerably improved the cement to the cement slurry and cement matrix properties and it decreased the
The particle size distributions for Saudi Class G cement and graphite powder are shown in Figure 1 The D 50 for Class G cement is μm while for graphite is μm Table 1 compares the mineralogical composition of Class G cement and graphite as obtained by the X ray fluorescence XRF characterization As shown in this table the
·This experimental study evaluates the early age properties of one part alkali activated cement AAC and class G cement GC under three subsurface curing conditions of water brine and carbon dioxide CO 2 saturated novel one part AAC used in this study consist of fly ash and slag as the mineral precursors activated by a waste glass/sodium
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