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AGH Drilling, Oil, Gas
2013 Vol. 30, no. 1 231--240
EN The natural discontinuity or local separation in the plane, which separates the rock in two or many parts, can provide the permeability for fluid movement as water, oil and gas. In low porosity reservoirs, the natural fracture can store a large quantity of hydrocarbons that can be recovered at very [...]
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Journal of Ecological Engineering
EN Poland, due to the estimated shale gas deposits amounting to 346–768 billion m3 has become one of the most attractive regions for shale gas exploration in Europe. Throughout the period 2010–2015, 72 exploratory drillings were made (as of 4.01.2016), while hydraulic fracturing was carried out 25 time[...]
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Bezpieczeństwo Pracy i Ochrona Środowiska w Górnictwie
2013 nr 12 31--34
PL Komunikat przedstawia sposób wykonania badań geofizycznych, mających na celu potwierdzenie efektywności dwunastoetapowego szczelinowania hydraulicznego w otworze horyzontalnym Syczyn-OU2K. Badania objęły pomiary z wykorzystaniem czujników umieszczonych w otworze, powierzchniowych linii geofonowych o[...]
EN This memorandum presents the method of performing geophysical research pursued to confirm the effectiveness of 12-stage hydraulic fracturing in the Syczyn-OU2K horizontal borehole. The research included measurements with detectors located in the borehole, surface geophone lines as well as sensors an[...]
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Physicochemical Problems of Mineral Processing
EN Fracturing technologies for shale gas production were developed mainly in the USA and are currently being adapted to geological conditions and environmental requirements in other countries. This paper presents literature on theoretical and practical aspects of gas production from shale with the emph[...]
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Nafta-Gaz
2006 R. 62, nr 5 222-228
PL W artykule przedstawiono sposób wykorzystania materiałów włóknistych w zabiegach hydraulicznego szczelinowania. Dokonano selekcji włókien dostępnych w Polsce pod kątem ich użyteczności w celu ograniczenia wynoszenia materiału podsadzkowego z odwiertu. Zaprezentowano wyniki laboratoryjnych badań hydr[...]
EN This paper presents fibers application in hydraulic fracturing treatment. The selection of fibers available in Poland to stabilize hydraulic fracture to proppant backproduction were done. This report presents laboratory measurements of the conductivity data for proppant pack with fibers reinforcemen[...]
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Nafta-Gaz
2004 R. 60, nr 9 479-485
PL Temperatura płynu szczelinującego jest jednym z podstawowych czynników determinujących jego dobór oraz podstawowe charakterystyki. Wniosek ten jest szczególnie istotny dla powszechnie stosowanych nienewtonowskich żeli o lepkości i innych właściwościach transportowych silnie zależnych od temperatury [...]
EN The temperature of injection fluids used for fracturing strongly determines its effectiveness and basic characteristics. In particular, it is especially significant for: the application of non-Newtonian gels whose viscosity and other transport properties are temperature dependent and deep wells comp[...]
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Mining Science
2015 Vol. 22 65--73
EN The article presents usage of microseismic monitoring for location of microseismic events in polish geological conditions. For location of one synthetic microseismic event, two methods of acquisition were applied: surface and downhole monitoring array. Downhole microseismic monitoring is a technique[...]
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Mining Science
EN All methods of rock burst hazard evaluation and control are classified as rock burst prevention. The prevention methods can be divided in two general categories – the passive (non-active) and active ones. Active methods of rock burst prevention focus generally on reducing of stress level in the area[...]
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AGH Drilling, Oil, Gas
2013 Vol. 30, no. 1 311--313
EN The recent boom in the development of natural gas from shale is a game changer for U.S. domestic energy. Large domestic reserves of shale gas reduce dependency on foreign producers, as is currently the case for crude oil. The U.S. Energy Information Administration (EIA) estimates that the U.S. conta[...]
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AGH Drilling, Oil, Gas
2017 Vol. 34, no. 1 157--167
EN In an era of decreasing number of discoveries of conventional hydrocarbon reservoirs, in the global oil and gas industry we can observe growing interest in unconventional resources. Conducting effective production from this type of reservoirs is associated with carrying out the intensification proce[...]
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AGH Drilling, Oil, Gas
2017 Vol. 34, no. 2 385--395
EN Nowadays hydraulic fracturing is the most commonly used technique to stimulate the productivity of a well. The selection of a proper fracturing fluid is all about choices which strongly influence on effectiveness of the treatment. It should be carefully prepared, supported by lab analysis in order t[...]
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Bezpieczeństwo Pracy i Ochrona Środowiska w Górnictwie
2017 nr 6 17--21
PL Artykuł zawiera podstawowe informacje dotyczące robót geologicznych prowadzonych na terenie Polski w poszukiwaniu niekonwencjonalnych złóż gazu ziemnego z formacji łupkowych (shale gas) oraz podsumowanie prac prowadzonych przez PGNiG S.A. w rejonie koncesji „Stara Kiszewa” w okresie do końca 2016 r.
EN Intensive work aimed at defining the production potential of gas from unconventional shale gas resources started in 2010. One hundred and twenty-two concessions in total were granted to fuel concerns from Poland and from abroad. In the years 2011–2016 seventy-two wells were drilled in total , out of[...]
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AGH Drilling, Oil, Gas
2017 Vol. 34, no. 2 411--418
EN Throughout the past two decades, there has been a great intensification of research on processes related to hydraulic fracturing. One of the most significant issues is the behavior of proppants under reservoir conditions. It clearly influences the oil production from the stimulated borehole. Quick l[...]
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AGH Drilling, Oil, Gas
2013 Vol. 30, no. 3 369--384
EN Today’s ecological policy focuses on preventing anthropogenic environmental hazards. A large share of activities are oriented to the precise recognition of hazards and use of solutions thanks to which the negative environmental effects of mining activity can be considerably reduced. Issues related t[...]
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AGH Drilling, Oil, Gas
2015 Vol. 32, no. 3 581--587
EN Interest in the subject related to the oil production from unco nventional hydrocarbons has increased in recent years. Operation of such reservoirs requires the use of the state-of-the-art technology. Definitely, drilling horizontal and multilateral wells in conjunction with hydraulic fracturing a[...]
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AGH Drilling, Oil, Gas
2017 Vol. 34, no. 3 677--690
EN Nowadays, hydraulic fracturing is one of the most common treatments for both conventional and unconventional fields, a stimulation technique designed to increase well production through the reduction of flow resistance caused by the drilling process or genuine reservoir properties. In this article t[...]
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AGH Drilling, Oil, Gas
EN The dynamics of discovering conventional hydrocarbon reservoirs has significantly dropped down in the World over the last ten years. Resources deposited in reservoirs having poor properties, where the production with economically justified yield is possible after prior enhancement (hydraulic fractur[...]
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AGH Drilling, Oil, Gas
PL Celem pracy jest analiza aktualnych tendencji światowych w modelowaniu komputerowym zabiegów szczelinowania hydraulicznego a także ocena możliwości technicznych i przydatności wybranych symulatorów szczelinowania do projektowania zabiegów w różnych warunkach geologicznych, w tym dla złóż niekonwencj[...]
EN The aim of work is analysis of world tendency in hydraulic fracturing modeling in different geological conditions including unconventional resources. The GOHFER and Meyer Fracturing software were analyzed. Hydraulic fracturing simulations for shale gas reservoir were performed for analysis of softwa[...]
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Physicochemical Problems of Mineral Processing
EN Shales have become one of the main unconventional gas resources in the world. However, physicochemical properties of rocks are still at the center of research. There have been conducted major researches in wettability of shales by fluids and advances in understanding and control of shale rock wettab[...]
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Archives of Metallurgy and Materials
2018 Vol. 63, iss. 2 1065--1070
EN In the paper, the technology of the production of the modified ceramic proppants used in the shale gas extracting process is described. The natural available materials and uncomplicated process to new ceramic proppants preparation were applied. The modification of the ceramic proppants based on the [...]
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