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    Wyświetlanie 1-4 z 4
    Tytuł:
    Problems related to oil and gas mining waste deposition in view of legal regulations
    Autorzy:
    Dubiel, S.
    Jamrozik, A.
    Matyasik, A.
    Ziaja, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/298813.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    oil and gas mining
    mining waste
    law about mining waste
    production
    post-exploitation waste
    exploitation waste management
    górnictwo ropy i gazu
    odpady górnicze
    zarządzanie
    przepisy prawne
    Opis:
    The legal regulations on mining waste have been reviewed in the paper. The most important problems related with exploitation waste management in oil and natural gas production have been analyzed. Industrial examples of waste neutralization have been presented.
    Źródło:
    AGH Drilling, Oil, Gas; 2012, 29, 3; 403-410
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected aspects of drilling waste management in Poland
    Autorzy:
    Jamrozik, A.
    Ziaja, J.
    Gonet, A.
    Fijał, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/298926.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    drilling waste
    spent water-based drilling muds
    drilling waste management
    Opis:
    One of the main problems related to environmental protection in the search for hydrocarbon deposits are drilling waste. In these article the authors presented their research results on the toxicity of drilling muds and suggested the possibility of their utilization. Research material represents drilling waste collected during prospecting for both conventional and unconventional deposits of oil and gas in the Polish Lowlands, Pomerania, the Carpathians and the Carpathian Foredeep.
    Źródło:
    AGH Drilling, Oil, Gas; 2015, 32, 3; 565-573
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of fluidal ashes from lignite on technological properties of slurries based on G-class drilling cements
    Autorzy:
    Stryczek, St.
    Gonet, A.
    Wiśniowski, R.
    Złotkowski, A.
    Ziaja, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/299119.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    drilling
    cements
    fluidal ashes from combustion of lignite
    sealing slurries
    cementing boreholes
    technological parameters of fresh and set sealing slurries
    Opis:
    New generation fly ashes are a produced during coal combustion in fluidized bed furnaces with simultaneous sulphur removal from the gas. This process is held at temperature of about 850 degrees of Celsius. The generated ashes basically differ in their physicochemical properties from traditional silica ashes. Fluidal ashes produced during lignite combustion consist of active puzzolana in the form of dehydrated clayey minerals and active components activating the process of hydration of, e.g. CaO, anhydrite II and CaCO3 ashes. The paper presents the results of laboratory analyses of the influence of ashes coming from the combustion of lignite on technological properties of fresh and set sealing slurries based on drilling cement.
    Źródło:
    AGH Drilling, Oil, Gas; 2013, 30, 1; 209-220
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental study of layouts of PDC cutters in core bit drilling
    Autorzy:
    Buitrago Gomez, L. A.
    Miska, S. Z.
    Ziaja, M. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/299255.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    PDC cutter
    cutters layout
    PDC bit
    coring
    drilling efficiency
    Opis:
    Over the past two decades, various single cutter force models have been developed that consider formation properties and bit characteristics. These models have been extensively used to describe the interaction of a Polycrystalline Diamond Compact (PDC) bit with formation rocks; however, their use to predict bit drilling efficiency is usually inadequate. There is an ample of field evidence that the density and layouts of PDC cutters affect drilling efficiency. Still, however, there is no reliable model of the PDC bit performance allowing determination of these bit design features for a specific bit's applications. In order to better understand the relationship between rock properties and PDC cutter layouts for different bit applications, laboratory drilling tests were performed with PDC core bits. The concept of an eight-blade PDC core bit was used to build a bit with a common body and replaceable heads. Core-bit design features such as: bit, cutter size, and cutter geometry were constant. In this study, the full-scale test rig facility at the University of Tulsa was used to obtain consistent data for six different layouts of PDC cutters. Operating parameters, such as the rate per minute (RPM) and weight on bit (WOB), were varied and performance parameters (rate of penetration (ROP) and bit torque (TQB)), were measured at each time step with the frequency of 10 Hz. The ROP were calculated as a function of bit displacement over time. All operating parameters were recorded as part of the data acquisition platform. Depth of Cut (DOC) was calculated from ROP, and the average WOB and TQB were estimated at each depth of cut. Tests were performed on two different rocks: Bedford and Carthage Limestones. For the purpose of comparing performance among different cutter layouts, we experiment with a maximum of four different depths of cut, which corresponded to four different weights on bit. The tested layouts allowed a constant maximum DOC per cutter of 0.25 in. Water was the drilling fluid for the entire experimental phase. The results showed that under the same drilling parameters, the cutter layout plays a key role in drilling efficiency. Strong linear relationships were found between DOC, WOB and TQB at different conditions that were characteristic of the specific bit design. Also, the PDC cutter layouts affected the relative drilling performance differently for different rock properties.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 2; 341-360
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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