Dialogue
combustible ice: 2020 is expected to test drilling
- Interview with Chief Engineer, Guangzhou Marine Geological Survey Direction in
19.4 billion in the South China Sea cubic meters of combustible ice resources that allow people to once again see the hopes of replacement energy.
text | Our reporter Liu
2011 in early, owned by the China Geological Survey Bureau of the Guangzhou Marine Geological Survey to complete the report The exploration of combustible ice can be seen great value.
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waters of the northern South China Sea found that large Shenhu combustible ice reserves of resources, is 10 years of marine special investigation of combustible ice Resources update on progress made, has made many breakthroughs. China became the United States, Japan, India, after the first four national R & D plan through offshore drilling to obtain physical samples of combustible ice country.
combustible ice resources of the South China Sea for the special investigation results, the Guangzhou Marine Geological Survey Direction in the chief engineer, said: Combustible ice exploration survey, delineation of the northern South China Sea continental slope hydrate zone, preliminary evaluation of resource potential of combustible ice, provided for the implementation of the target gas hydrate drilling target validation, combustible ice samples obtained by drilling, confirmed the South China Sea is rich in combustible ice Resources. The high cost of development not yet mature technology, the impact of geological environment and ecological balance, also become resources for future exploitation of combustible ice to face the main issue.
with these issues,
SCS process
most valuable mineral resources. So far, the northern South China Sea waters of combustible ice Shenhu the overall progress of the mineral exploration?
Direction in: sea and land area of jurisdiction to be rich in combustible ice resources, long-term resource volume of combustible ice up to several hundred tons of oil equivalent, about the sea and the land of a considerable amount of additional oil and gas resources, is the ideal replacement oil and natural gas energy. As early as 1999, the first in the South China Sea China Sea found that the seismic wave emission of combustible ice as a symbol, opened a substantive exploration of combustible ice off.
from 2002, China began the formal implementation of marine resources survey and evaluation of combustible ice, the main goal is to initially understand the vision of our waters combustible ice resources, and strive to find and obtain physical samples of combustible ice. The past decade, the Ministry of Land Resources, China Geological Survey, organized by the Guangzhou Marine Geological Survey Bureau has carried out in the northern South China Sea more than 20 voyages of combustible ice survey, full access to the existence in the northern South China Sea associated with the submarine geology of combustible ice , geophysical, geochemical and biological aspects of the evidence, determine the target drilling targets, to scientifically determine the drilling wells. 2007 年 21 April to 12 June, the successful implementation of the South China Sea Fox Sea God voyage flammable ice drilling, drilling stations 8, 5 core holes, including three stations in the kind of combustible ice to obtain samples to achieve Combustible ice resources investigation of a major breakthrough, confirmed the existence of combustible ice resources of the South China Sea.
At the same time, the state 863 plans, 973 plans to support the exploration and development carried out combustible ice technology, resource evaluation and environmental effects, reservoir accumulation and other applications, basic research, improve the research level of combustible ice ; built with international advanced level of combustible ice comprehensive survey ship, professional simulation laboratory, enhancing the study of marine gas hydrate exploration and equipment levels, with profound accumulation of technology. At present, China's combustible ice resources investigation and evaluation has reached the expected goal of solving the energy shortage of long-term strategic significance.
Direction in: According to the information abroad, the global reserves of natural gas combustible ice volume of about 2.1 × 1016m3, the equivalent of the world's proven total amount of traditional fossil fuel carbon double the latest estimate of up to 1.2 × 1017m3, available for human use for thousands of years. Since the 70s of the 20th century, the United States, Canada, Japan, Russia, Germany, India and South Korea and other countries have invested heavily in the exploration of combustible ice resources, especially the United States, Japan, India, South Korea, its inclusion in national research development plan so that in exploration and development technology, resource potential, development prospects and the impact of global change is well-developed.
China has become the United States, Japan, India, fourth after the plan adopted by the national R & D kind of combustible ice sample country, is the first time in the South China Sea to obtain physical samples of combustible ice country. Although the exploration of our late start combustible ice, however, can be said that the exploration of combustible ice in the waters of the experimental fields of synthesis has to keep pace with the world, in some respects form its own technical characteristics.
technical bottleneck
this issue?
Direction in: permafrost on land and sea continental slope seabed. Due to the current development and control technology is not mature, so the production cost high, but the country is stepping up research of various development techniques combustible ice, once the technology is mature, controlled environment, the scale of development can make the cost lower, thus achieving commercial development .
In addition, exploration and development of combustible ice is a systematic project involving many disciplines, such as marine geology, geophysics, geochemistry, fluid dynamics, thermodynamics, drilling engineering, geology and marine environment, experimental techniques, vigorously carry out exploration and development of combustible ice, can promote our marine geology, mineral resources, global change and technological progress in basic research, and development of related industries, the formation of new economic growth point.
How do you think these problems can be solved?
Direction in: Admittedly, combustible ice inappropriate development will cause environmental problems, if the development control is not good, a lot of methane emissions into the atmosphere will cause global warming, will lead to improper exploitation of seabed geological disasters. However, we believe that these issues are expected in the near future to be resolved. For example, scientists have now embarked on combustible ice and carbon dioxide exchange technology, which aims not only more scientific and rational development of resources flammable ice, and carbon dioxide emissions play, an important role in protecting the global environment.
Currently, 863 high-tech development plan in support of, our scientists are developing technology and the environment of combustible ice control research, and strive to solve these problems from a technical point of view, minimize or reduce future combustible ice, brought about by the negative impact.
2020 years ago, test drilling
traditional fossil fuels?
Direction in: Overall, the Chinese sea exploration in the prospective evaluation of combustible ice and survey validation phase. Investigation of sea ice extent of fuel is still low, there is no large-scale survey and detailed investigation, but also to the hydrate forming conditions, distribution of basic geological and metallogenic prediction theory is not deep. According to domestic and international technology development trends and China's development plan combustible ice is expected to achieve by 2020 is expected to test China's mining area of combustible ice, the fastest to achieve commercial production by 2030. We believe, through hard exploration and research of scientists, will be able to develop all sorts of combustible ice break technological bottlenecks, so that resources for the benefit of mankind, thus substantially solve our future energy shortages, fuel development and utilization of ice has a broad bright prospect.
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