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Wyświetlanie 1-15 z 41
Tytuł:
Influence of ionic hydration’s inhibitors on swelling of clays and shales
Autorzy:
Wysocki, S.
Wójtowicz, A.
Gaczoł, M.
Powiązania:
https://bibliotekanauki.pl/articles/298775.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling muds
hydration inhibitors
shales
Opis:
Mud designed for drilling in clay rock and weakly compacted rock are developed based on inorganic or organic additions in order to improve inhibition of clay hydration. The paper presents the research results of influence of ionic hydration’s inhibitors on swelling of clays and shales.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 2; 471-482
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Linear swelling test (LST) of clay formation under the influence of newly developed drilling fluids with the addition of cationic polymers
Autorzy:
Wysocki, S.
Wiśniowski, R.
Ryznar, D.
Gaczoł, M.
Powiązania:
https://bibliotekanauki.pl/articles/298599.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling mud
polymers
shales
LST
Opis:
This paper shows research of Linear Swelling Test (LST) of shale rocks under the influence of three drilling muds with different cationic polymers. Tested polymers have been synthetized at the Drilling, Oil and Gas Faculty of AGH UST Krakow. Research findings indicate that synthesized polymers as well as developed on its base drilling fluids effectively inhibit hydration and prevent the disintegration of clay formation.
Źródło:
AGH Drilling, Oil, Gas; 2015, 32, 4; 693-701
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extraction of uranium from low - grade Polish ores : dictyonemic shales and sandstones
Autorzy:
Frąckiewicz, K.
Kiegiel, K.
Herdzik-Koniecko, I.
Chajduk, E.
Zakrzewska-Trznadel, G.
Wołkowicz, S.
Chwastowska, J.
Bartosiewicz, I.
Powiązania:
https://bibliotekanauki.pl/articles/146805.pdf
Data publikacji:
2012
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
uranium ores
leaching
dictyonemic shales
sandstones
Opis:
Leaching studies were performed to develop a suitable method for extraction of uranium from domestic uranium ores: dictyonemic shales and sandstones. The extracting procedure was composed of successive separation steps: crushing and grinding, acid or alkaline leaching, solid-liquid separation, and inductively coupled plasma mass spectrometry (ICP-MS) analyses of post-leaching solutions. The influence of such process parameters as temperature, pressure, particle size of solid material, kind of leaching solution and its concentration, on the recovery efficiency of uranium and accompanying metals were tested. The efficiency of uranium leaching with sulphuric acid solution achieved 81%. Satisfactory results were obtained for the alkaline leaching process. It was found that uranium can be selectively extracted by the alkaline leaching solution. Almost complete extraction of uranium from sandstones was achieved when a mixture of sodium carbonate and sodium hydroxide, with hydrogen peroxide as a leaching solution was used.
Źródło:
Nukleonika; 2012, 57, 4; 451-459
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modifications of the muds intended for HDD considering drilling through clay rocks - potassium chloride
Autorzy:
Gaczoł, M.
Wysocki, S.
Budzińska, K.
Powiązania:
https://bibliotekanauki.pl/articles/299008.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling mud
Horizontal Directional Drilling
shales
clays
Opis:
The article describes issue of clay hydration phenomenon during Horizontal Directional Drilling. Reducing hydration, hence swelling, is a great concern in light of borehole wall stability maintenance. Muds commonly used for drilling by abovementioned technique are often blend of unknown ingredients. Thus, it should be carefully tested for addition of hydration inhibitors at the early stage of mud formula preparation. The paper includes research formula and results of technological parameters of modified HDD mud. Moreover, there were conducted tests of QSE Pellets swelling and linear swelling of test samples collected from boreholes drilled by HDD technique.
Źródło:
AGH Drilling, Oil, Gas; 2018, 35, 1; 323-334
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of liquid-nitrogen freezing of gas-bearing shale rocks on their compressive strength
Autorzy:
Borek, Kinga
Powiązania:
https://bibliotekanauki.pl/articles/127596.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
hydraulic fracturing
black shales
freezing
compressive strength
modelling
Opis:
Any definable relation between falling temperature and the compressive strength of shale rocks should provide a useful predictive tool aiding optimization of the results of hydraulic fracturing. In this research, an automeasuring hydraulic press, a thermo-camera and the Fluent ANSYS software were used. The results of laboratory simulations, and the effects of experiments conducted on shale rocks to determine permanent changes in compressive strength, are presented. As both frozen rocks and rocks returned to room temperature show diminished compressive strength. It is suggested that prior freezing of rocks can increase the efficiency of fracturing.
Źródło:
Mineralogia; 2018, 49, 1/4; 7-16
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of ionic hydration inhibitors on triple inhibition system mud properties - technological parameters
Autorzy:
Gaczoł, M.
Powiązania:
https://bibliotekanauki.pl/articles/298583.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling fluids
ionic hydration inhibitors
clays and shales
Opis:
Clay rock hydration is primary reason of borehole wall instability during drilling. In correspondence to this fact, it is substantial to counteract abovementioned phenomenon. It can be achieved e.g. applying ionic hydration inhibitors in the drilling mud formula. From the point of view of drilling effectiveness, the most practical is water based inhibitive mud. Its stabilizing properties are partially effect of soluble salts and low concentrations of polymer. This type of the mud exhibits good rheological properties and causes, in most of cases, increased rate of penetration (ROP). Ionic inhibition contribute to reduction of both dispersion and hydration of clay rock due to decreased instability of shales containing swelling clays. Hydration degree depends on the type and concentration of inhibitive ions in the drilling mud. This paper describes studies on influence of the chosen inhibitors (KCl, K2CO3 , HCOOK, CaCl2) on technological parameters of the developed drilling muds with triple inhibition system. Obtained results indicate good parameters of the mud. For HCOOK and CaCl2 increase of the inhibitor concentration causes major changes in mud parameters, however for K2CO3 and KCl those parameters do not change significantly.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 1; 95-101
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of ionic hydration inhibitors on dual inhibitor system mud properties – technological parameters
Autorzy:
Wysocki, S.
Wiśniowski, R.
Gaczoł, M.
Nowak, W.
Powiązania:
https://bibliotekanauki.pl/articles/298957.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling fluids
ionic hydration inhibitors
clays and shales
Opis:
Various organic and inorganic compounds can be used as hydration inhibitors. The main purpose of this paper is the examination of five different ionic hydration inhibitors: KCl, K2CO3, HCOOK, NH4Cl, CaCl2. The paper contains the survey findings of the influence of the above mentioned inhibitors different concentrations on technological parameters of drilling muds with a dual inhibitor system and swelling of clays.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 3; 629-639
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of ionic hydration inhibitors on dual inhibitor system mud properties – clay rock swelling
Autorzy:
Wysocki, S.
Wiśniowski, R.
Gaczoł, M.
Nowak, W.
Powiązania:
https://bibliotekanauki.pl/articles/298990.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling fluids
ionic hydration inhibitors
clays and shales
Opis:
Various organic and inorganic compounds can be used as the hydration inhibitors. The main purpose of this paper is the examination of five different ionic hydration inhibitors: KCl, K2CO3, HCOOK, NH4Cl, CaCl2. The paper contains survey findings of the influence of the abovementioned inhibitors different concentrations on technological parameters of drilling muds with dual inhibitor system and swelling of clays.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 4; 671-679
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of ionic hydration inhibitors on triple inhibition system mud properties - clay rock swelling
Autorzy:
Wysocki, S.
Powiązania:
https://bibliotekanauki.pl/articles/299018.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling fluids
ionic hydration inhibitors
clays and shales
Opis:
Recently past years, while drilling clay rock, mainly mud with triple inhibition system is applied. In the light of abovementioned fact, it can be seen growing importance of studies related to improvement and development of this type of mud formulas. The paper describes undertaken studies of QSE Pellets swelling and linear swelling (LST) of the Miocene shale under influence of different concentration of chosen clay rock hydration inhibitors in mud with triple inhibition system.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 2; 629-637
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Litofacje formacji perspektywicznych dla gazu i ropy w łupkach w utworach ordowiku i syluru na obszarze bałtyckim i podlasko-lubelskim
Lithofacies of the Ordovician and Silurian formations prospective for shale gas/oilin the Baltic and Podlasie-Lublin areas
Autorzy:
Feldman-Olszewska, A.
Roszkowska-Remin, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075505.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
litofacje
ordowik
silurian
łupki
lithofacies
Ordovician
Silurian
shales
Opis:
The paper presents a sedimentological analysis of Ordovician (Sandbian–Hirnantian = Caradoc–Ashgill) and Silurian (Landovery–Wenlock, lower Ludlow) claystones and mudstones from the north-eastern (Baltic Basin) and south-eastern (Podlasie-Lublin Basin) parts of the East European Craton. In both basins, formations prospective for shale gas/oil were analyzed: the Sasino Fm., Pasłęk Fm. (including the Jantar Mb.), Pelplin Fm., Udal Fm., Wrotnów Fm. and Terespol Fm. Based on lithological and sedimentological criteria, 34 lithofacies and 11 lithofacies associations have been distinguished. The most promising lithofacies arerepresentedbytheL-1,L-3andL-4associationswhicharecharacterizedbydarkgreycolour, a very low degree or lack of bioturbation, rare sedimentary structures, and common content of small pyrite concretions. They dominate in the Sasino Fm., Pas³êk Fm. (in the Jantar Mb. only) and Pelplin Fm., but are much less common in the Udal Fm., Terespol Fm. and Pas³êk Fm. (excluding the Jantar Mb.).
Źródło:
Przegląd Geologiczny; 2016, 64, 12; 968--975
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contact angle of copper-bearing shales using the sessile drop and captive bubble methods in the presence of selected frothers
Autorzy:
Szyszka, D.
Szczepański, W.
Powiązania:
https://bibliotekanauki.pl/articles/88891.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
Tematy:
contact angle
hydrophobicity
hydrophilicity
flotation
copper-bearing shales
Opis:
This paper describes the measurement of contact angle of copper-bearing shales. The values of advancing and receding contact angles were determined using the sessile drop and captive bubble methods in the presence of aqueous solutions of acetal and pyridine and distilled water. Both methods demonstrated that the tested substances had only minor impact on the surface hydrophobicity of copper-bearing shales expressed by contact angle. The tests carried out proved that neither acetal nor pyridine may be classified to the collecting reagents because none of them improves hydrophobicity of copper-bearing shales. These reagents are only flotation frothers.
Źródło:
Mining Science; 2015, 22; 191-199
2300-9586
2353-5423
Pojawia się w:
Mining Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The mid-Famennian ammonoid succession in the Rhenish Mountains: the "annulata Event" reconsidered
Autorzy:
Korn, D.
Powiązania:
https://bibliotekanauki.pl/articles/2058845.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Late Devonian
Famennian
Rhenish Mountains
Ammonoidea
black shales
diversity
Opis:
The mid-Late Devonian pelagic sedimentary successions of the Rhenish Mountains and other regions show a double black shale horizon called the annulata Black Shale. It marks, at the species level, a prominent faunal turnover of ammonoids from the Prolobites delphinus Zone into the Platyclymenia annulata Zone. An analysis of ammonoid genera distribution, phylogenetic relationships, andmorphospace occupation demonstrates that the "annulata Event" does not correspond to a crisis of the group and does not fulfill the criteria of a major biotic event.
Źródło:
Geological Quarterly; 2004, 48, 3; 245--252
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stratigraphy of the Hieroglyphic Beds with “Black Eocene” facies in the Silesian Nappe (Outer Flysch Carpathians, Poland)
Autorzy:
Waśkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/191339.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Eocene
Outer Carpathians
Hieroglyphic Beds
foraminifera
biostratigraphy
dark shales
Opis:
The lithologic variation and biostratigraphy of the Hieroglyphic Beds were examined in the Szczyrzyc Depression, where four lithologic complexes were distinguished. The biostratigraphy is based on agglutinated foraminifera and supported by scarce planktonic foraminifera. The lower part of the Hieroglyphic Beds contains non-characteristic, Ypresian foraminifers, including assemblages of small-sized Trochammina and at successively higher levels representatives of the Bartonian Ammodiscus latus Zone and the Priabonian Reticulophragmium gerochi Zone. The upper part of the Hieroglyphic Beds, composed of dark shales enriched in TOC (1–2%), corresponds to the deposits of the so-called Black Eocene, known from the Fore-Magura group of nappes. Redeposited flysch rocks resulting from episodes of subaqueous mass flow occur in the lower Bartonian part of the section.
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 2; 321-343
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geochemical interpretation and comparison of biomarker composition of bitumens obtained from coals and surrounding rocks
Autorzy:
Matuszewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1204922.pdf
Data publikacji:
2002
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
coal
coal shales
bitumens
biomarkers
GC-MS
thermal maturity
Opis:
The bitumens obtained as the extraction products from a series of coals and surrounding rocks samples were fractionated onto aliphatic, aromatic and polar fractions. Aliphatic and aromatic fractions were then submitted to analysis using modern gas chromatography - mass spectrometry method. The distribution of n-alkanes was compared and parameters values characterising conditions of sedimentation and type of primary organic matter were calculated. In aliphatic fractions, a series of biomarkers was also identified as steranes, diasteranes, tricyclic diterpanes, hopanes and moretanes. The relatively high content of diasteranes was observed in the bitumens from shales bordering on coals. It confirms the literature data indicating possibility of catalytic influence of claystones on arrangement of steranes to diasteranes. The values of parameters calculated from the data characterising distribution of hopanes have indicated a possibility of generation of oils by some of analysed coals: flame as well as orthocoking coals.The aromatic compounds were also identified, mainly phenanthrenes being an important stage of aromatisation process of fossil organic matter.The comparison of characteristics of bitumens obtained from coals and surrounding rocks suggests a possibility of migration of various groups of organic compounds from coal layers to rocks bordering on them. The migration of organic mobile matter seems to be as well a result of a great difference of concentration between coal and surrounding rocks layers as of action of circulating waters or hydrothermal solutions. The temperature gradient and local intrusive bodies are of great significance for processes of oil migration. The examinations and conclusions presented in this work should be, however, taken as the introductory ones and have to be confirmed by analysis of a greater number of samples of various geological characteristics.
Źródło:
Polish Geological Institute Special Papers; 2002, 7; 169-180
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Late Devonian facies variety in Iran: volcanism as a possible trigger of the environmental perturbation near the Frasnian-Famennian boundary
Autorzy:
Mahmudy Gharaie, M. H.
Matsumoto, R.
Kakuwa, Y.
Milroy, P. G.
Powiązania:
https://bibliotekanauki.pl/articles/2058813.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Frasnian-Famennian boundary
Iran
black shales
ironstone
greenhouse
volcanism
Opis:
Upper Devonian successions surrounding the Frasnian-Famennian (F-F) boundary in Iran consist of mixed carbonate/silisiclastic deposits. The successions are characterized by conspicuous ferruginous limestones, clay-rich units, black shales, and mafic volcanic rocks that provide important insights into palaeoenvironmental conditions during this interval of Earth’s history. An increase of kaolinite/illite ratio in clays associated with the F-F boundary suggests that increased chemical weathering was facilitated by warm and humid climatic conditions. Distinctive ferruginous-oolite deposits overlying the crucial Frasnian-Famennian boundary interval indicate a high supply rate of Fe-bearing clay originated during enhanced weathering under such climatic conditions. Black shales associated with the F-F boundary are interpreted to be the result of a high primary productivity caused by an increased influx of land-derived nutrients and regional volcanic activity. Widespread rift-related, basaltic activity along eastern Laurussia and northern Gondwana during the mid-Late Devonian is believed to have contribution to this global warming surrounding the F-F boundary.
Źródło:
Geological Quarterly; 2004, 48, 4; 323-332
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 41

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