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    Wyświetlanie 1-13 z 13
    Tytuł:
    Water well activation with application of clay minerals disintegration agent
    Autorzy:
    Macuda, J.
    Wysocki, S.
    Gaczoł, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/298707.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    formation permeability
    formation clogging
    disintegration of clay minerals
    well
    well activation
    well efficiency
    well exploitation
    well life expectancy
    Opis:
    While drilling a well using rotary drilling method with drilling mud application, permeability damage of aquifer layers in near-well zone takes place. It is caused mainly by inflow of both solid phase and filtrate originated from the mud into pores or fractures of drilled rock. In consequence of this phenomenon, pressure drawdown increase and well hydraulic efficiency decrease can be observed, what leads to exploitation capacity diminution. For the reparation of formation damaged permeability in near-well zone, new agent for disintegration of clay minerals called SKINAUT was developed at the Drilling, Oil and Gas Faculty of AGH-UST Krakow. In order to confirm its effectiveness in industrial conditions, it was conducted test of well activation for water intake from loose formation. Applied agent allowed to counteract the clogging of pore spaces and to reduce the hydraulic resistance of well thereby decreasing pressure drawdown and considerably improving well efficiency.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 2; 587-595
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Many years’ extraction of groundwater in the context of established usable groundwater reserves
    Autorzy:
    Macuda, J.
    Styrkowiec, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/298693.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    well
    intake well
    usable reserves
    establishing reserves
    life of well
    water extraction
    groundwater reserves
    test pumping
    well construction
    Opis:
    The operation of water supply networks basically relies on the ability of supply water, which in the case of groundwater intakes, is defined by usable reserves offered by the wells involved. Their establishing is the last stage of an investment, i.e. building of groundwater intakes, and their value determines the type of infrastructure and technological hardware in the wells. Owing to the fact that the usable groundwater reserves are conditioned by a number of factors (economic, technological, environmental) their correct determining depends on the correct definition of the number and quality of measurements and hydrogeological observations. In practice, these measurements tend to be shortened to minimum (test pumping) or discarded (diagnostics of well construction) for financial reasons. As a result the user obtains either over- or underestimated information about the intake parameters. Exploitation of a well with overestimated capacity brings about serious technological and economic consequences, starting from the lowered productivity (drop of water table, lower yield), change of chemical composition of water, sanding up of the well as well as well failures and damage. The use of a well with underrated output does not shorten the life of the well, though is disadvantageous for the economic reasons. The productivity of wells can be verified after a few years of controlled extraction, on the basis of which the cost of water extraction, stability of chemical composition or impact on other intakes in given work conditions. Accordingly, this is a basis for updating usable groundwater reserves of the wells. Moreover, after many years of observation of groundwater intakes, one can formulate recommendations warrantying long life of wells, rational management of pump aggregates and well renovation plans.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 2; 419-427
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selection of effective chemical compounds for drilled wells
    Autorzy:
    Macuda, J.
    Klima, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/299014.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    hydrochemistry
    water well
    well screen
    rehabilitation of wells
    regeneration of wells
    well clogging
    Opis:
    Drilled wells during their operation are subject to so-called “aging” processes, which is visible in the decrease of their efficiency and increase in depression. The process, especially in case of quaternary and tertiary waters, is most affected by the chemical colmatation of the filter and filter-adjacent zone with chemical compounds precipitated from the flowing water. The literature analysis shows that ferrous sediments are the main mass of sediments clogging the quaternary and tertiary water intakes. They are usually in the form of soft reddish-colored sediments, and their essential element is Fe2O3 and FeO. Iron, siderite and quartz hydroxides were also found. The degree of colmatation in such wells can be significantly reduced by frequent renovations with chemical methods. The article presents results of laboratory tests on dissolution of sediments clogging withdrawal well filters with sodium dithionite (Na2S2O4) and sodium pyrosulphite (Na2S2O5). Representative samples were taken from selected quaternary water intakes in northern Poland.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 1; 181-186
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drilling large diameter water wells in carbonate strata in the Lublin area
    Autorzy:
    Macuda, J.
    Macuda, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/298629.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    well
    water well
    hydrogeological well
    drilling technology
    reverse circulation
    drilling technology parameters
    cogged bit
    drillability test
    Opis:
    One of the most important sources of water for communal purposes in the Lublin area are the useful groundwater aquifers intaken with deep drilled wells. Such wells should be highly efficient and localized in a close vicinity of the local water supply network to lower the cost of transport. Large amounts of water can be produced by large diameter wells, where heavy duty pump aggregates can be installed. High rates of penetration cannot be obtained if the profile abounds in hardly drillable carbonate. This elongates the time of drilling and increases negative impact of mud on the near well zone of the aquifer. It also lowers hydraulic parameters of the well. To improve the efficiency of the wells, drillability tests with cogged bits were performed in carbonate rocks to optimize the mechanical parameters of drilling. Measurement sections, each 0.3 to 0.5 m long, were selected for the tests. Each section was drilled at constant rotational speed and weight of bit values. Prior to the drillability tests, the limits on the weight of bit and rotational speed of the bit were established, in line with the technological characteristic of rig Wirth B3A, strength of the string and of the cogged bit.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 1; 31-39
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of wells reconstruction on their operational parameters
    Autorzy:
    Macuda, J.
    Styrkowiec, E.
    Rajpold, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/298645.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    well
    operational resources
    determination of resources
    well life
    long-term operation
    Opis:
    Use of deep water-bearing horizons on an industrial scale is an expensive undertaking, mainly in the first phase of the project which is the well construction stage. Also, emergencies occur during the well operation, with the most frequent including yield reduction caused by the poor technical condition of the well. These 17 frequently lead to the total decommissioning of the well, caused, for example, by backfill, filter damage or casing pipe damage. After conducting the proper diagnostics, a decision is most often made in such cases to reconstruct a well, and much less seldom to drill a new well hole. Reconstruction of water intake wells usually encompasses replacement of the entire filter column with the well filter damaged as a result of ageing. As new technologies and materials become available on the market, it is possible to use new generation filters in the well construction, with better technical parameters (in terms of strength, hydraulics and corrosion resistance). In many cases, it allows for maintaining or achieving similar operational parameters in the reconstructed well. The determination of resources for a reconstructed well should, however, take into account modified filtration conditions in the aquifer’s zone adjacent to the filter because of the zone siltation during previous use of the well. The paper includes an evaluation of the impact of the reconstruction of two wells extracting water from the Lower Cretaceous level on improvement of their yields.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 1; 335-342
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drilling large diameter intake wells with cutter bits in loose and weakly consolidated rocks
    Autorzy:
    Macuda, J.
    Macuda, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/298815.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    cutter bit
    drilling
    reverse mud circulation
    large diameter wells
    hydrogeological well
    intake well
    Opis:
    Most of the useful aquifers in Poland occur in the Quaternary and Tertiary horizons, which are deposited at a depth of tens to hundreds of meters. Owing to the need of providing large quantities of water for municipal and industrial purposes, the aquifers are more and more frequently opened with large diameter wells of various designs. Such wells are mostly drilled with the rotary method with reverse mud circulation with the use of various bits. The Quaternary and Tertiary strata abound in loose and weakly consolidated rocks therefore cutter bits are predominantly used. They allow for high rates of drilling and shorter time of drilling of the well. This significantly influences the negative influence of drilling mud on the near screen zone of the aquifer and better hydraulic properties of the well. Drillability tests were performed with cutter bits of 0.86 and 0.67 m diameter for providing high rates of drilling of large diameter intake wells in loose and weakly consolidated rocks. The research was made for measurement sections 0.5 to 1.0 m long, and each of them was drilled at con- stant rotational velocity and axial weight on bit. Prior to the drillability tests the limitation of weight on bit and rotational velocity of bit imposed by the technical characteristic of Prakla B50 rig, strength of the string and butter bit were established. Various regression models were analyzed for the sake of finding a dependence between drilling rate and axial weight on bit and rotational velocity of bit for particular macroscopically homogeneous layers. The best results were obtained for the exponent model illustrating the influence of axial weight on bit and rotational velocity of bit on the drilling rate, which has been proved by the calculated regression coefficients and statistical parameters.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 1; 23-30
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The technical and technological aspects of commissioning a new intake wells
    Autorzy:
    Macuda, J.
    Styrkowiec, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/298953.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    drilled well
    technical condition of well
    hydraulic efficiency
    diagnostics of wells
    quality of drilling
    Opis:
    Correctly performed intake wells are a warranty of long and efficient exploitation of the object. A number of important factors are involved, starting from the correct technology of drilling to proper supervision of the investor and control of realization of particular stages of work. These factors are typical of each stage of the investment process, from the stage of determining project requirements, quality of drilling to commissioning of the well. For this reason it is extremely important for the investor to establish the requirements and technical criteria which will be presented to the authors of the geological project and potential performer of the well. Geological works can be successfully verified with available diagnostic techniques, thanks to which the quality of performance can be recognized, make the contractor remove construction failures and improve the efficiency of hydraulic well before final commissioning. The necessity of performing such an analyses should be included in the budget of the planned well.Properly defined technical condition of the drilled well and evaluation of its hydraulic efficiency, being a basis for commissioning, allows the designers to select rational parameters of production and elongate a well’s life.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 3; 641-649
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Auxiliary gravity drain and infiltration wells supporting basic drainage system in the “Bełchatów” Lignite Mine
    Autorzy:
    Macuda, J.
    Gasiński, J.
    Grad, J.
    Szewczyk, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/299020.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Bełchatów Lignite Mine
    Bełchatów lignite field
    drainage
    dewatering of opencast mine
    mine gravity drain well
    gravity infiltration well
    dewatering wells
    residual water
    Opis:
    The downhole parts of the “Bełchatów” Lignite Mine are dewatered through large diameter dewatering wells belonging to the primary drainage system. This system is supported by additional shallow wells performed in the overburden, in the forefield of extraction site or on the extraction site itself. They are used for limiting and removing residual water from extraction site, which corresponds to the height of excavator level. They are preceded by the analysis of dewatering of the mining benches based on the results of control drilling and observation of the water table in the existing piezometric wells. Shallow auxiliary wells are drilled with the “dry” rotary method to about 30 m of depth. Such wells considerably reduce the amount of water coming to the mine with rainwaters, and which were not captured by wells of the primary drainage system. This is mainly caused by such factors as complex geological build, disturbed system of strata, presence of synclinal structures and closed lenses. The technique and technology of drilling supporting shallow wells with the “dry” rotary method and their effect on dewatering of active extraction sites are discussed in this paper.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 1; 245-253
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Percussion-rotary method of drilling large-diameter dewatering wells in ‘Bełchatów’ liginte mine
    Autorzy:
    Gasiński, J.
    Macuda, J.
    Kaczmarek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/299123.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    well
    dewatering of rock mass
    lignite
    drilling wells
    downhole hammers
    Opis:
    Lignite opencast extraction can be performed after prior dewatering of the rock mass. Most frequently it is realized with large-diameter dewatering wells which have been mostly drilled with the invert mud rotary method and airlift. This method allows for quick drilling in lithologically diversifi ed aquifers, minimizing the negative impact of mud on the near-well zone. When drilling in dewatered carbonate rocks with the stone runs or well developed karst the effi ciency of this method considerably decreases. The technical and technological aspects of use of downhole hammers for drilling large-diameter dewatering wells in diffi cult geological conditions are discussed in the paper. Thanksto the use of this method for drilling wells in ‘Bełchatów’ Lignite Mine the drilling rate could be increased and the number of complications and drilling failures lowered.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 3; 571-577
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of modern drilling fluids on improving the hydraulic efficiency of water wells
    Wpływ nowoczesnych płuczek wiertniczych na poprawę sprawności hydraulicznej studni wierconych
    Autorzy:
    Macuda, J.
    Siemek, J.
    Wysocki, S.
    Gaczoł, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/215780.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
    Tematy:
    studnia wiercona
    wiercenia hydrogeologiczne
    płuczka wiertnicza
    water well
    wellbore skin
    hydrogeological drilling
    drilling mud
    Opis:
    During drilling through aquifers using the rotary drilling method with drilling fluid application, the phenomenon of formation clogging in near-well zone takes place. This leads to physical changes in pore spaces in consequence of the deposition solid phase particles originating from the drilling fluid. Due to this fact, filtration velocity in the clogged zones of the aquifer formation decreases, which results in increased pressure drawdown and decreased well hydraulic efficiency. Therefore, it causes a reduction of the well total capacity. The article consists of studies connected to the development of the mud which will constitute the basis for a complex mud system intended for hydrogeological drilling in different encountered geological conditions. In the framework of laboratory research, technological parameters of six, commonly applied in oil and gas industry, polymer agents as well as new agent developed at the Drilling, Oil and Gas Faculty AGH-UST in Krakow were examined. The undertaken studies showed that the new agent, marked as CAGEx, provides the required technological parameters and can be applied as a base for drilling muds intended for hydrogeological drilling. The undertaken industrial research of the new CAGEx drilling mud carried out while drilling water intake well, confirmed the great stability of its technological parameters as well as insignificant influence on rock permeability damage in filter zone. The water intake well is characterized by high hydraulic efficiency and does not require additional activation treatment.
    W trakcie udostępniania użytkowych poziomów wodonośnych metodami obrotowymi z wykorzystaniem płuczki wiertniczej zachodzi proces kolmatacji skał w strefie przyotworowej. Prowadzi on do fizycznych zmian ośrodka porowatego w wyniku osadzania się w nim cząstek fazy stałej z płuczki wiertniczej. Powoduje to zmniejszenie prędkości filtracji wody w zakolmatowanych partiach formacji wodonośnej, co skutkuje wzrostem depresji i obniżeniem sprawności hydraulicznej studni, a w konsekwencji obniżeniem całkowitej wydajności studni. W artykule przedstawiono wyniki badań laboratoryjnych nad opracowaniem płuczki wiertniczej, która stanowić będzie bazę do opracowania kompletnego systemu płuczkowego przeznaczonego do wiercenia otworów hydrogeologicznych w różnych warunkach geologicznych. W ramach badań laboratoryjnych przeprowadzono pomiary parametrów reologicznych sześciu, standardowo stosowanych w wiertnictwie, środków polimerowych oraz nowego środka, którego skład opracowano na Wydziale Wiertnictwa, Nafty i Gazu AGH. Przeprowadzone badania pokazały, że nowy środek, oznaczony jako CAGEx, zapewnia wymagane parametry technologiczne i może być stosowany jako baza płuczek wiertniczych. Wykonane badania przemysłowe nowej płuczki wiertniczej CAGEx, podczas wiercenia studni ujęciowej potwierdzają dużą stabilność jej parametrów technologicznych i niewielki wpływ na uszkodzenie przepuszczalności skał w strefie przyfiltrowej. Wykonana studnia ujęciowa charakteryzowała się wysoką sprawnością hydrauliczną i nie wymagała wykonania dodatkowych zabiegów uaktywniania.
    Źródło:
    Gospodarka Surowcami Mineralnymi; 2018, 34, 4; 133-144
    0860-0953
    Pojawia się w:
    Gospodarka Surowcami Mineralnymi
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodics of assessing environmental noise emission while performing hydraulic fracturing operations in shale formations
    Autorzy:
    Łukańko, Ł.
    Macuda, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/298719.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    hydraulic fracturing
    sound level prediction
    simulation
    reference point
    prospecting
    well pad
    shale gas
    noise
    noise measurement
    Opis:
    Hydraulic fracturing operations performed at the stage of gas prospection in shale formations are aimed at opening out gas residing in rock micropores. Large quantities of fracturing fluid, with physicochemical composition adjusted to their properties, are injected to the selected interval of a horizontal well. Finally, sand (proppant) is injected along with the fracturing fluid to support the newly formed fracture. The results of a computer simulation of noise emission generated by high pressure pumps during hydraulic fracturing operations, and the results of noise measurements during such work in the north of Poland are presented in the paper. The analysis of the obtained results revealed that the noise standards for day hours in the residential area localized ca. 320 m from the well pad was not exceeded for the hydraulic fracturing operations. The noise level in the night hours was considerably higher, therefore a respective sound berm should be construed.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 4; 769-780
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the acoustic climate during the drilling of gas wells in post-mining areas
    Autorzy:
    Macuda, J.
    Łukańko, Ł.
    Hendel, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/298852.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    coal mine methane
    post-mining area
    experimental gas well
    coal gobs
    noise
    noise emission from rig
    noise measurement
    Opis:
    Coal mine methane from post extraction coal gobs is most efficiently produced with drilling wells realized from the surface. In Polish conditions, such wells are most frequently drilled in highly urbanized areas and residential quarters. The drilling of such wells creates the hazard of exceeding admissible noise levels in the areas requiring acoustic protection during the day and night. Therefore it is very important to assess the level of noise emitted by the rig and to establish the isophones 45 dB and 55 dB for various field conditions. With such information, the location of the rig can be properly selected at the stage of well design. The level of noise emitted in the environment during the drilling of experimental gas well Wieczorek-AGH-1, was established on the basis of noise analyses performed within the well pad area and its closest vicinity with the reference method, described in the Regulation of the Environment Minister of 30 October 2014 concerning the requirements of the analyses of emissions and the quantity of water consumption (Official Journal of 2014, item 1542), hereinafter called the Regulation.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 4; 917-932
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Techniczne i technologiczne aspekty zatłaczania wód złożowych do górotworu
    Technical and technological aspects of injection of reservoir water to the rock mass
    Autorzy:
    Macuda, J.
    Lewkiewicz-Małysa, A.
    Konopka, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/299655.pdf
    Data publikacji:
    2007
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    wody złożowe
    odwiert chłonny
    sedymentacja
    flokulacja
    kolmatacja
    strefa przyodwiertowa
    uzdatnianie wody
    reservoir waters
    injection zones
    water treatment
    sedimentation
    flocculation
    colmatation
    near-well zone
    Opis:
    Zatłaczanie wód złożowych do górotworu poprzez odwierty chłonne powinno być prowadzone przy spełnieniu wymogów dotyczących bezpiecznego prowadzenia prac górniczych i ochrony środowiska. Problem ten ma szczególne znaczenie zwłaszcza przy wykorzystaniu do celów zatłaczaniu odwiertów zastawionych lub przeznaczonych do likwidacji. W artykule przedstawiono kryteria doboru odwiertów chłonnych oraz zakres niezbędnych badań konstrukcji odwiertów poeksploatacyjnych przeznaczonych do zatłaczania wód złożowych do górotworu. Zaprezentowano również wyniki badań laboratoryjnych wód złożowych o znanych właściwościach fizykochemicznych, których celem było określenie i wyeliminowanie pierwotnych czynników sprzyjających kolmatacji strefy przyodwiertowej.
    Reservoir water injection to the rock mass through disposal wells should meet mining and environmental safety requirements. This problem is of special significance in the case of wells that are either abandoned wells or to be closed. The selection criteria for disposal wells and range of necessary tests and analyses of post-exploitation wells' construction designed for injection of reservoir water are presented in the paper. The results of laboratory analyses of reservoir water of known physicochemical properties were used for determining and eliminating original factors favorable to the colmatation of the near-well zone.
    Źródło:
    Wiertnictwo, Nafta, Gaz; 2007, 24, 2; 799-806
    1507-0042
    Pojawia się w:
    Wiertnictwo, Nafta, Gaz
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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