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1
Content available Stan rozpoznania oceanicznych zasobów mineralnych
EN
For the past 50 years, Poland has been actively involved in the research on marine mineral resources. Since 1987, research cruises and documentation of the polymetallic concretions (Fe-Mn) in the Clarion-Clipperton Zone on the Pacific seabed have been performed as part of the Interoceanmetal project. In 2016, the IOM presented a report to the ISA on the past research and new technologies for processing concretions, together with an economic analysis regarding the process of development of concretion deposits. In 2018, ISA granted Poland the right to search for polymetallic sulphides in the Atlantic Ocean. At the same time, a government project called PRoGEo was launched to encourage the reconnaissance search for marine minerals. This opens a new chapter in the history of Polish participation in the search for marine mineral deposits. Poland is an active participant in international organization, created based on the Convention on the Law of the Sea. Initially, Polish involvement was limited to legal matters, and then extended to geology of the sea and marine mineral deposits. A more active role of Poland in marine exploration during the last years requests to familiar Polish geologists with the current stage of knowledge about marine resources. The current state of knowledge of marine mineral deposits, though still requiring further research, is sufficient to plan their development in the near future. This paper argues that the deposits of polymetallic sulphides, Co-rich crust, gas hydrates and polymetallic concretions will likely be developed first.
EN
In recent years, we have observed a great interest in the exploitation of marine deposits by various methods of mining and transport to the surface. However, obtaining natural resources deposited at greater depths such as polymetallic nodules and seafloor massive sulphides - SMS creates a lot of challenges for both scientists and engineers. The solutions developed so far, unfortunately, have so far been characterized by high energy consumption. For several years the authors have been conducting theoretical and experimental research on new concepts of seabed to surface transport. The results of them have been presented in previous publications. This publication presents the results of the continuation of research on the concept of construction and operation of an autonomous transport module (submitted for printing). It focuses on a theoretical analysis of the change in gas phase density in the processes occurring during operation of the transport module intended for transport from the seabed. For this purpose, a reduced form of the van der Waals equation was used in the form of a third-degree equation for parameters interested from the point of view of the transport module.
EN
The growing interest in the exploitation of marine deposits has resulted in the development of research on deposits and technologies for their exploitation. For several years, the authors have been dealing with one of the most important problems in the deep sea mining of mineral deposits, namely transport from great depths. This publication presents theoretical considerations regarding the use of calcium carbide as a source of energy for transport from the seabed. The authors proposed three lines of the course of the decomposition reaction of calcium carbide and then analyzed the possibility of their use. From the obtained results it can be concluded that the maximum depth of use of a simple CaC2 distribution is about 1 km, while using the method proposed by the authors based on the "balance of forces" (using an additional medium) it is possible to apply this method to any depth occurring on Earth.
EN
The great interest in the exploitation of sea deposits has in recent years resulted in the creation of many consortia conducting research on various methods of mining and transport to the surface. Exploitation of the shelf areas of crude oil and gas as well as solid minerals is successfully carried out in many places around the world using various methods. More and more often, however, we want to obtain natural resources found at great depths such as polymetallic nodules and massive polymetallic sulphides. This puts much greater demands on scientists and engineers. Unfortunately, solutions developed so far are characterized by high energy consumption. For several years, the authors have been researching new concepts of transport from the seabed. In previous years the authors presented theoretical research results of using a new method involving the use of pyrotechnic materials as a source of energy in transport from the seabed from large depths and experimental ones with the use of potassium nitrate and ammonium nitrate in a controlled pyrotechnic reaction and they compared three conceptions of transport of dredge spoil from the point of view of energy demand. This publication presents the results of the continuation of research, this time on the concept of building an autonomous transport module and its operating principles. The construction of the laboratory stand and the way of conducting experiments are discussed. The results of experimental research are presented, which confirm the possibility of using the discussed concept in transport from the seabed.
PL
W artykule przeanalizowano zalecenia dotyczące kryteriów oceny ryzyka dla prac w przemyśle off-shore wprowadzonych przez administracje państw mających największy udział w badaniach i wydobyciu morskich złóż naturalnych. Podano główne czynniki ryzyka dla obiektów prowadzących prace wydobywcze w warunkach morskich oraz metody jego określenia i przyjęte granice akceptacji. Wsparto się danymi statystycznymi zebranymi w ogólnoświatowej bazie danych sporządzonej przez Norweskie Towarzystwo Klasyfikacyjne DNV - Worldwide Offshore Accident Databank - WOAD obejmującej wypadki w sektorze off-shore od roku 1970 do 2014. W szczególności analizie poddane zostało ryzyko występujące na obszarach polskiej strefy ekonomicznej w związku z intensywnym rozwojem polskiego przemysłu badawczo wydobywczego.
EN
The article presents the analyzes of the recommendations for the risk assessment criteria for the work in the off-shore industry introduced by the administrations of countries having the largest share in the research and production of marine natural resources. Given the major risk factors for facilities with production facilities in sea conditions and the method of its determination and the accepted limits of acceptance. Results were supported by the statistical data collected in a global database compiled by the Norwegian classification society DNV - Worldwide Offshore Accident Databank - WOAD covering events in the off-shore from 1970 to 2014. In particular, the analysis has been subjected to the risk occurring on areas of the Polish economic zone due to intensive research and development of the Polish sea mining industry.
PL
W artykule przedstawiono metody i układy technologiczne wykorzystywane lub projektowane do eksploatacji oceanicznych złóż konkrecji polimetalicznych. Przytoczono podział tych metod ze względu na techniki urabiania i odstawy. Opisano poszczególne rozwiązania agregatów wykorzystywanych podczas pozyskiwania konkrecji. Dokonano oceny poszczególnych technologii. Dodatkowo przedstawiono przykładowy podział oceanicznych zasobów surowców mineralnych ze szczególnym uwzględnieniem konkrecji polimetalicznych.
EN
The article presents methods and technological systems used or designed for excavation of oceanic deposits of polymetallic nodules. Presented division of those methods due to the technology of mining and haulage. The different solutions of devices used during polymetallic nodules excavation were presented. An assessment of each technology was done. In addition, presented an example of division of ocean mineral resources with particular emphasis on polymetallic nodules.
PL
W artykule omówiono zadania morskiej polityki gospodarczej kraju w odniesieniu do wydobywania zasobów surowcowych dna mórz i oceanów. Po przedstawieniu sytuacji w zakresie przyszłościowego wzrostu liczby mieszkańców kuli ziemskiej oraz zapotrzebowania na energię, scharakteryzowano istniejące na dnie i pod dnem mórz i oceanów zasoby węglowodorów i minerałów. Dalej omówiono różnego rodzaju obiekty stałe w postaci platform stalowych i żelbetowych oraz ruchome w postaci różnego rodzaju jednostek pływających, służących do eksploracji i eksploatacji istniejących zasobów. Uznano, że przy właściwym prowadzeniu polityki morskiej istnieje realna szansa na uzupełnienie zasobów lądowych zasobami podmorskimi. Zwrócono przy tym uwagę na konieczne kierunki działań państwa, mających zapewnić realizację koniecznego dla naszego kraju wydobycia.
EN
The paper is devoted to the requirements of the state maritime economical policy in relation to the offshore mining of the raw resources of the sea and ocean bottom. After a presentation concerning the future increase of number of people in the World, and the resulting power demand, are characterized the on the sea bottom and under the sea bottom reserves of hydrocarbons and other minerals. Further are presented the different permanent structures in the form of steel and concrete platforms, as well as different kinds of floating units, used for the exploration and mining of the existing and discovered reserves. It is stated that for a proper development of the maritime policy there exists a real chance to supplement the onshore reserves by mean of the offshore one. It is concluded that at the time being a serious intensification of the state activities in the direction of an increase of offshore mining is for our State urgently needed.
PL
Przedstawiono technologie eksploatacji kruszyw z obszarów morskich ze szczególnym uwzględnieniem Unii Europejskiej i Polski. Podano wielkości wydobycia w UE oraz udokumentowane zasoby w Polsce. Zwrócono uwagę na wpływ eksploatacji z dna morskiego na środowisko.
EN
The paper presents the technologies exploitation aggregates of sea areas with particular emphasis on the European Union including Poland. Given the size of production in the EU and documented resources in Poland. Attention was paid to the impact of exploitation of the sea bed on the environment.
10
Content available remote Eksploatacja kruszyw z Morza Północnego i jej wpływ na środowisko
PL
W artykule przedstawiono eksploatację podmorską kruszyw (piasków i żwirów) z Morza Północnego na obszarach przybrzeżnych Niemiec i Holandii. Zwrócono uwagę na potencjalne oddziaływania eksploatacji na środowisko morskie i możliwe konflikty z ochroną środowiska.
EN
In the article the marine mining of aggregates (sands and gravels) from North Sea on the coastal areas of Germany and Holland was introduced. The attention was paid to the potential influences of exploitation on the sea environment and possible conflicts with the protection of the environment.
PL
Artykuł w skrócie omawia proces technologiczny wydobycia ropy naftowej i gazu w Przedsiębiorstwie Poszukiwań i Eksploatacji Złóż Ropy i Gazu "Petrobaltic" S.A. Szczegółowo przedstawiono zagrożenia przy wydobyciu ropy i gazu na morzu oraz profilaktykę stosowaną w "Petrobaltic" S.A.
EN
The paper describes shortly the crude oil and gas exploitation process in the "Petrobaltic" S.A. Crude Oil and Gas Prospecting and Mining Company. Hazards associated with crude oil and gas offshore mining and preventive measures applied by "Petrobaltic" S.A. are widely presented.
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