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Tytuł:
Realisation of European Union Committees strategy for improvement of Occupational Health and Safety conditions in years 2007-2012 and its influence on ccidents at work in the sectors of Polish economy
Realizacja strategii Komisji Wspólnot Europejskich w zakresie poprawy stanu bhp w latach 2007-2012 i jej wpływ na wypadki przy pracy w sektorach polskiej gospodarki
Autorzy:
Wiśniowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/370833.pdf
Data publikacji:
2014
Wydawca:
Wyższa Szkoła Zarządzania Ochroną Pracy w Katowicach
Tematy:
European Union's strategy
requency rate
“Improvementof safety and working conditions”program
accident statistics
strategia UE
wskaźnik częstości
Program „Poprawy bezpieczeństwa i warunków pracy
statystyka wypadkowości
Opis:
„Improvement of safety and working conditions” programme is a main instrument to accomplish EU Strategy in order to improve the Occupational Health and Safety conditions in Poland, of which the constitutive objective was to decrease the general accidents at work frequency rate by 25% per 100 000 professionally active people in years 2007-2012. The article showed primary premises of the „Improvement of safety and working conditions” programme and throughout the analysis of evolution of general accidents at work rate and number of accidents which occured in the sectors of Polish economy in years 2007-2012 was the level of accomplishment of the objective that had been established by EU27.
Program „Poprawy bezpieczeństwa i warunków pracy” jest głównym narzędziem realizacji przyjętej Strategii UE w zakresie poprawy stanu bhp w Polsce, której konsty¬tutywnym celem było zmniejszenie ogólnego wskaźnika częstości wypadków przy pracy o 25% na 100 000 osób aktywnych zawodowo w latach 2007-2012. W artykule przedstawiono podstawowe założenia Programu „Poprawy bezpie-czeństwa i warunków pracy” oraz poprzez analizę kształtowania się wskaźnika częstości wypadków przy pracy ogółem i ilości zaistniałych wypadków w sektorach polskiej gospodarki w latach 2007-2012 określono poziom realizacji założonego celu UE27.
Źródło:
Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach; 2014, 1(10); 78-91
1895-3794
2300-0376
Pojawia się w:
Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The methods of pressures prediction based on geophysical data
Autorzy:
Wiśniowski, R.
Toczek, P.
Powiązania:
https://bibliotekanauki.pl/articles/298799.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Eaton coefficient
prediction of pressure
prediction method
geophysical measurements
Opis:
Prediction of reservoir pressure and so its values at an early stage of wellbore designing significantly increases the profitability of exploration and production wells design. The prediction of rock mass pressures can be performed in a number of ways. The prediction methods have been reviewed since the 1950s. The methods of empirical forecasting of pressures proposed by Eaton B.A. as well as Hottman and Johnson were described in the paper. The paper also refers to the prediction of rock mass pressures on the basis of seismic well log results obtained from works performed on the same geologic unit. A relation between basic parameters of rocks along the wellbore profile is shown. The Eaton method was used for empirical determining pressure for a planned well based on seismic data form the existing well.
Źródło:
AGH Drilling, Oil, Gas; 2015, 32, 3; 551-563
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Correlation of parameters describing microstructure of hardened cement slurry for the purpose of increasing tightness of cement mantle
Autorzy:
Kremieniewski, M.
Stryczek, S.
Wiśniowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/298675.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
permeability
porosity
hardened cement slurry
threshold diameter
threshold radius
threshold pressure
boundary effect
Opis:
The results of laboratory experiments on fresh cement slurries are presented in this paper. The samples of hardened cement slurry were hydrated for 28 days in wellbore-like conditions and then analyzed for parameters describing their microstructure. The obtained results created a basis for a correlation analysis of parameters of microstructure of hardened cement slurries. The dependences having the big-gest effect on increasing the tightness of the cement mantle were also addressed to.
Źródło:
AGH Drilling, Oil, Gas; 2014, 31, 3; 413-421
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Drill string rotary speed influence on equivalent circulating density value
Autorzy:
Wiśniowski, R.
Skrzypaszek, K.
Kiebzak, P.
Powiązania:
https://bibliotekanauki.pl/articles/298691.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
ECD optimization
drill string rotary speed
equivalent circulating density
wellbore pressure management
Opis:
Presented article displays a debate about very complex and still not fully understood issue of drill string rotary speed (DSRS) impact on pressure losses in wellbore annulus, thus Equivalent Circulating Density (ECD) value. With the aim of exploring the topic, series of numerical simulations were conducted and presented in following paper. Real, field data from two already accomplished wells was used to recreate actual wellbores conditions in Halliburton Landmark Drilling Software and to calculate ECD values. Dedicated to check and confirm the program’s results accuracy, the outcomes were compared with pressure while drilling (PWD) equipment measurement results, collected during drilling operations. Collaterally, numerical simulations were made in order to analyze how drill string rotary speed shifts may affect overall ECD value, especially in deviated and horizontal wellbore sections. Simultaneously, both rate of penetration and flowrate were modeled to imitate poor and good cleaning conditions. Additionally with the object of confronting received results, in the article are included outcomes of other researchers conducted by T. Hemphill and K. Ravi (2011), I. Kjøsens, G. Løklingholm et al. (2003). Similarly to above mentioned papers, analysis and interpretation of collected data gave contrary conclusions. In other words DSRS can positively impact optimization of ECD value but in the same time cause growth of ECD parameter, depending on current wellbore conditions.
Źródło:
AGH Drilling, Oil, Gas; 2018, 35, 1; 283-294
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of ash from fluidized-bed combustion of lignite on rheological properties of cement slurries
Autorzy:
Skrzypaszek, K.
Stryczek, S.
Wiśniowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/298944.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling cement G
ash from fluidized-bed combustion of lignite
rheology
rheological models
cement slurries
Opis:
Cementing jobs are a very important element of drilling technology considering the completion of a given field. The selection of an appropriate recipe for sealing slurry is a challenge for the cementing services and research units. Both fresh and set slurry should meet a number of technological requirements. Various chemical, physical and mechanical properties of the ground and rock mass media to a different degree influence the technological parameters of the injected fluid. The sealing slurries have to meet certain criteria if the high efficiency of works is to be provided. The first of them is the criterion of physicochemical congruence with the environment. The second condition stems from the criterion of pumping the slurry. It is realized by selecting an appropriate rheological model and rheological parameters of the sealing slurry. The third requirement is connected with the need of providing suitable strength and durability of hardened sealing slurries as a result of the physicochemical processes. The fourth condition should account for the economy and ecology factors. The selection of recipes for sealing slurries should not be accidental or an output of unfmished laboratory tests. The correct sealing and reinforcing of the rock mass are prerequisites of further engineering works performed in the wellbore. The results of laboratory experiments on the concentration of ash from the fluidized-bed combustion of lignites on rheological parameters of fresh sealing slurries based on drilling cement class G (HSR) Dyckerhoff (API Class G HSR - Black Label) for various water/cement ratios are presented in this paper.
Źródło:
AGH Drilling, Oil, Gas; 2014, 31, 3; 403-412
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Core recovery criterion – a new optimization method of geological information quality in the geological conditions of the Grodziec Syncline Area
Kryterium uzysku rdzenia – nowa metoda optymalizacji jakości informacji geologicznej w warunkach geologicznych obszaru synkliny grodzieckiej
Autorzy:
Janc, D.
Wiśniowski, R.
Stryczek, S.
Powiązania:
https://bibliotekanauki.pl/articles/216493.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
Tematy:
drilling
coring
core recovery
optimization
classification
wiercenie
rdzeniowanie
uzysk rdzenia
optymalizacja jakości
klasyfikacja
Opis:
The increasing requirements for the quality and amount of geological information induce the development of new technological solutions. The authors present the optimization of the coring method for a newly defined criterion of maximum geological information quality. It enables the efficiency of works to be improved without investing in new specialist and expensive equipment. The statistical classification methods commonly used in medicine and the economy were used for analyzing the homogeneity of the drilled rocks. The quadratic discriminant analysis (QDA) and the Naive Bayes classifier method turned out to be most efficient, therefore they were selected from among other methods differing in the way the classification rules are built. The newly defined criterion of maximum geological information quality and the mathematical model of maximum core recovery allowed the amount and the quality of recovered rock material in the geologic conditions of the Grodziec Syncline to be incresed. The control of the process relied on detecting phenomena responsible for core damaging, i.e. erosiveness of drilling mud, mechanical damaging due to jamming in the core barrel and unstable operation of the core bit downhole. The analysis revealed that the main factor influencing the lower recovery of cores is mechanical damaging due to jamming in the core barrel. For the sake of controlling the core recovery, the authors defined and used the jamming index which defines the effect of weight on bit on momentary rate of penetration. The efficiency of this method was proved by a test performed in industrial conditions while drilling a successive wellbore in the Grodziec Syncline. This paper was written on the basis of own experience and analyses performed by the authors while conducting works in the Grodziec Syncline in the South West Poland.
Coraz większe wymogi co do jakości i ilości informacji geologicznej wymuszają ciągłe udoskonalanie technik i technologii ich pozyskiwania. W artykule tym autorzy przedstawili metodę optymalizacji procesu rdzeniowania dla nowo zdefiniowanego kryterium maksymalnego uzysku rdzenia, które jednocześnie jest kryterium maksymalnej jakości informacji geologicznej. Pozwala ona na poprawę efektywności prowadzonych prac bez konieczności inwestycji w nowy, specjalistyczny i drogi sprzęt. Do badania jednorodności przewiercanych stref zaadaptowane zostały powszechnie stosowane w medycynie i ekonomii statystyczne metody klasyfikacji. Spośród przeanalizowanych metod różniących się sposobem budowy reguły klasyfikacyjnej największą efektywnością wykazała się metoda QDA (quadratic discriminant analysis) oraz naiwny klasyfikator bayesowski (Naive Bayes classifier). Zdefiniowane nowe kryterium maksymalnego uzysku rdzenia oraz opracowany matematyczny model uzysku rdzenia pozwolił na zwiększenie ilości, jak i jakości uzyskanego materiału do analiz, w warunkach geologicznych synkliny grodzieckiej. Sterowanie procesem polegało na detekcji zjawisk niszczenia rdzenia, tj. erozyjnego oddziaływania płuczki wiertniczej na rdzeń, mechanicznego niszczenia rdzenia na skutek klinowania się go w aparacie rdzeniowym, a także niestabilnej pracy narzędzia na dnie otworu. Analiza wykazała, że głównym czynnikiem wpływającym na zmniejszone uzyski rdzenia jest mechaniczne niszczenie na skutek klinowania. Do kontroli wartości uzysku rdzenia autorzy zdefiniowali i wykorzystali wskaźnik klinowania przedstawiający wpływ nacisku osiowego na chwilową prędkość wiercenia. Skuteczność opracowanej metodyki potwierdził test przeprowadzony w warunkach przemysłowych, podczas wiercenia kolejnego otworu na obszarze synkliny grodzieckiej. Artykuł ten powstał na podstawie własnych doświadczeń i analiz przeprowadzonych przez autorów podczas realizacji prac na obszarze synkliny grodzieckiej w południowo-zachodniej części Polski.
Źródło:
Gospodarka Surowcami Mineralnymi; 2016, 32, 4; 91-108
0860-0953
Pojawia się w:
Gospodarka Surowcami Mineralnymi
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ECD optimization with specially designed low rheology drilling fluids
Autorzy:
Wiśniowski, R.
Skrzypaszek, K.
Kiebzak, P.
Powiązania:
https://bibliotekanauki.pl/articles/298984.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
ECD
drilling
rheology
drilling fluids
Opis:
This article presents a method in which low rheology drilling muds are used as a solution for demanding wellbore pressure management and high Equivalent Circulating Density (ECD) values. In order to investigate this problem series of numerical simulations were conducted. Real, field data from two already accomplished wells was used to recreate actual wellbores conditions in Halliburton Landmark Drilling Software and to calculate ECD values. In order to check and confirm the program’s results accuracy, the outcomes were compared with pressure while drilling (PWD) equipment surveys results made during drilling operations. Next, simulations were made in order to check how low rheology parameters of drilling muds will impact overall ECD values. Additionally in the article are included field tests results from Hibernia Platform, prepared by Bolivar, Joung et al. in 2007 where specially treated (TMSB) low rheology drilling fluids was used to mitigate lost circulation issues and extensive ECD values. Both researches’ results indicate that low rheology drilling muds may solve ECD optimization problems while still maintaining required properties and executing tasks of drilling fluids.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 1; 169-179
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Drillability and Mechanical Specific Energy analysis on the example of drilling in the Pomeranian Basin
Autorzy:
Wiśniowski, R.
Knez, D.
Hytroś, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/299203.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drillability
drilling technology
ROP
MSE
Opis:
The advancements in drilling have always depended on the cost of drilling of new wellbores, therefore mathematical models of the drilling process were elaborated to minimize the cost. The first simple models based on a few fundamental parameters, were then developed into complex, computer-based models employing many variables. Models made for cutter bits are used for PDC tools. They contain formulae accounting for drilling parameters and wearing of the bit. The paper addresses works which prove that in some particular situations the influence of the tools wear on the drop of rate of penetration can be neglected, thanks to which simple formulae are obtained, based on the fundamental parameters and which are easily applicable in the field conditions. The MSE is an amount of energy used for drilling a given volume of rock. This approach is useful and practicable because allows for detecting possible inefficiencies in a relatively short time (as compared to other parameters). Attempts are made to compare the drillability indications ZSP with MSE plots, thanks to which new conclusions and observations can be drawn as far as the analysis and interpretation of drillability plots is concerned.
Źródło:
AGH Drilling, Oil, Gas; 2015, 32, 1; 201-210
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of gas migration test and building structural strength of slurry in the aspect of limiting gas invasion
Autorzy:
Kremieniewski, M.
Rzepka, M.
Stryczek, S.
Wiśniowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/298587.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
gas migration
structural strength
cement slurry
hardened cement slurry
transition period
transition time
Opis:
The problem of eliminating natural gas microflows through the cement slurry while bonding has been investigated by scientists in a number of scientific and research centers. Works have been undertaken to define the causes of gas migration and predict possibilities of interchannel communication in the hardened cement slurry. In the course of bonding cement slurry changes its state from liquid through gel to solid. Accordingly, the gas migration effects should be taken into account in the formation of these phases. The results of tests of gas migration in the course of binding and building structural strength have been presented in this paper. Both research methods have been compared and a high dependence of parameters defined by each of them has been found. The research works were conducted with the use of innovative apparatuses thanks to which the phenomena taking place in the course of binding can be observed. This gives the possibility of working out recipes of sealing slurries applicable to deposits where the risk of occurrence of gas migration is high.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 3; 595-608
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:
Wellbore trajectory impact on equivalent circulating density
Autorzy:
Wiśniowski, R.
Skrzypaszek, K.
Kiebzak, P.
Kański, M.
Powiązania:
https://bibliotekanauki.pl/articles/298627.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling
drilling fluids
rheology
Opis:
Undermentioned article presents how wellbore trajectory changes may impact mud flow pressure losses in wellbore annulus and overall Equivalent Circulating Density (ECD) value. In order to investigate this topic, there were conducted two series of tests. In the first round actual, field data from six previously drilled wells was used to recreate real wellbores conditions in Halliburton Landmark Drilling Software and to calculate ECD values. In order to check and confirm the results accuracy, the outcomes were compared with pressure while drilling (PWD) equipment surveys’ results made during drilling operations. Next it was analyzed how ECD parameter's values change in particular sections of vertical and horizontal wellbores, due to trajectory angle modifications. With aim of expanding scope of the work, the second group of tests was made in Drilling Fluids Laboratory at Faculty of Drilling, Oil and Gas. Using Grace Sagging Tester M8500 Ultra HPHT it was examined how in wellbore conditions (high pressure and temperature) wellbore trajectory angle modifications may impact solids sedimentation process and fluid density changes in the annulus thus ECD value as well. The results indicate that there is a relationship between wellbore trajectory angle changes and ECD value shifts. In addition there are included field tests outcomes prepared by K&M Technology Group which confirm presented assumption.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 1; 181-202
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving the efficiency of cleaning annular space with a new flushing fluid
Autorzy:
Kremieniewski, M.
Rzepka, M.
Stryczek, S.
Wiśniowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/298916.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
flush fluid
buffer fluid
cementing casing columns
flushing annular space
surface active agents
surfactants
annular space
Opis:
One of the most important conditions to be met when cementing casing columns is obtaining appropriate tightness of the sealed interval, otherwise gas will have to be released from the annular space due to the dangerously high pressure in the upper part of the well. Gas migrating along the well in the annular space can penetrate directly the soil, groundwater or atmosphere. To counteract these unfavorable effects the casing columns are sealed and the annular space filled with appropriate cement slurry. During injection, the slurry displaces mud from the annular space. However mud residue left out in the wellbore walls may cause that the slurry does not bond the rock sufficiently well and consequently gas may flow on the hardened cement slurry/rock/casing contact. This effect can be eliminated by thorough cleaning of the annular space from mud cake with flush fluid, followed by its complete displacement with buffer fluid and cement slurry. Hence it is crucial for the efficiency of cementing to precede this job with thorough cleaning of the annular space with appropriate flush fluids. Laboratory experiments were undertaken to work out a new flush fluid with which the efficiency of removal of filtration cake from the wellbore walls and the cleaning of the annular space will be improved. Tests were performed for a group of agents, which appropriately selected as far as their quantity and quality is concerned, could create bases for a new type of fluid with very good flushing properties. The efficiency of mud cake removal was analyzed in a mud flow simulator. The analysis of the results revealed that the efficiency of removal of the mud cake on the rock surface can be improved by synergic operation of surfactants and surface active agent, when they are used in good concentrations. The influence of the injection volume and duration of contact of the flush fluid with the rock were taken into account as the main emphasis was on how to increase the efficiency of the designed fluid on the near well zone. The works on the new recipe of flush fluid and its efficiency were based on the measurement of adhesiveness of hardened cement slurry and the rock sample, from which mud cake was removed with the use of flush fluid. The analysis of the laboratory results shows that the efficiency of mud cake removal was considerably increased when the presented flush fluid was applied.
Źródło:
AGH Drilling, Oil, Gas; 2018, 35, 1; 219-233
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Laboratory research on the influence of new BG-027 polymer addition on technological parameters of drilling mud dedicated to directional drilling in shale rocks
Autorzy:
Wysocki, S.
Wiśniowski, R.
Stopyra, E.
Romański, M.
Powiązania:
https://bibliotekanauki.pl/articles/298976.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
drilling
mud
hydration inhibitors
shale
Opis:
This paper shows the research results on the influence of new BG-027 polymer used in different concentrations onto technological properties of drilling mud for drilling in shale and clay rocks. Standard API test has been conducted as well as thermal resistance, resistance to mono- and divalent sa lts, LST were studied. The results show that polymer BG-027 addition gives the mud good technological parameters and is a good hydration inhibitor.
Źródło:
AGH Drilling, Oil, Gas; 2015, 32, 3; 517-523
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selecting recipes of cement slurry for sealing casing columns in wellbores used for CCS
Autorzy:
Formela, M.
Stryczek, S.
Wiśniowski, R.
Pikłowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/298986.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
cement sheath
cement slurry
cement corrosion
carbon capture and storage (CCS)
carbon dioxide
fly ashes
Opis:
Cement sheath serves primarily as a zonal isolation for the life of the well while protecting and supporting the casing. Nowadays, more and more solutions in the term of different cement slurries compositions appear on the market. One of them is application of fluid ashes as an alternative substitution of cement itself. The purpose of it is to overcome a challenging environment where a high concentration of corrosive gases or fluids exist. An example of that aggressive substance is carbon dioxide. Moreover, this is how it might reduce the cost of the cementing process. Laboratory research was conducted at the Drilling, Oil and Gas Faculty and Materials Science and Ceramics Faculty at AGH University of Science and Technology in Krakow.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 3; 609-618
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of time of rheological parameters of fresh cement slurries
Autorzy:
Stryczek, St.
Wiśniowski, R.
Gonet, A.
Złotkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/299287.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Class G Class G HSR drilling cement
rheology
rheological models
cement slurries
Opis:
The rheological properties of sealing slurries are very important at the stage of designing and realization of works related to the sealing and reinforcement of the ground rock mass with the use of drilling technologies. For providing high efficiency of the works related to the sealing of casing pipes in deep wells and the rock mass with borehole injection methods, the rheological parameters of sealing slurries should be selected depending on [1,2]: - reservoir conditions of ground and rocks to be sealed, — geometry of borehole and circulation system, — interactions between the stream of injected slurry and the resulting flow resistance, especially in the sealed medium. The results of laboratory experiments focusing on the influence of time on the rheological parameters of fresh sealing slurries based on API Class G HSR - Black Label drilling cement (Dyckerhoff) for various water to cement ratios are presented in the paper
Źródło:
AGH Drilling, Oil, Gas; 2014, 31, 1; 123-133
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 40

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