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High-quality natural gas as a clean energy, improve energy structure in China, and China Petroleum and vigorously promote low carbon economic development process, access to the unprecedented development. Whether in the traditional natural gas producing areas, or natural gas exploration and development in the new, in recent years, China's natural gas industry has emerged as an unprecedented development of good posture, then China's future development prospects of the natural gas industry?
The rapid development of China's natural gas industry in the ascendant
According to the latest "oil and exploration and development", at present, the development of China's natural gas industry is the peak, and the development of faster and faster, which reflected by the two marks: one, increasing proven reserves of natural gas to 2008 end of the year, China's total proven natural gas geological reserves of 6.4 trillion cubic meters, an average of nearly 6 years proven natural gas reserves of 510.5 billion cubic meters, equivalent to the current average annual proved reserves from 1949 to 1988 the cumulative 40 years proved reserves. Second, the growing natural gas output in 2008, the country produced 76 billion cubic meters of natural gas, the average daily gas production is far greater than the national annual production volume in 1958.
China's natural gas output from 10 billion cubic meters in 1976 to grow to 20 billion cubic meters, spent 20 years, after which the annual output increased by 100 billion cubic meters each time getting smaller and smaller span, from 60 billion cubic meters up to 70 billion cubic meters when used only O.997 years.
Chinese Academy of Sciences, said Dai Jinxing, with a historical perspective, the past 10 years is a period of rapid development of natural gas. From the United States, Russia and other countries the experience of watching the development of natural gas, natural gas, high-speed development period is 20 to 30 years, China is still only 10 years of fast development, therefore, the development of China's natural gas is still a considerable period of fast development.
At present the development of China's natural gas prospects, this is because to find a wide range of gas, natural gas development in the future more important blocks, and great potential. Therefore, the development prospects of China's natural gas industry of view, it must be a growing project.
China Petroleum and natural gas business development, first of all with the advantage of the mining right, exploration area broad; Secondly, the geological and technological aspects of research more in-depth, in a good position; Third, from the downstream perspective, natural gas pipeline network is more perfect and wide distribution, on the next phase of development is very favorable; Fourth, the existing proven resources of natural gas accounts for most of the total proven natural gas to reach 2 / 3 more than last year, PetroChina's natural gas production reached 6 17 billion cubic meters, accounting for 80% of total output, so the development of China's oil and gas business prospects will be very broad.
50's of last century, the former Soviet Union only 80 billion cubic meters of annual production, now produce more than 600 billion cubic meters, natural gas, the rapid development is through a large gas field discovery and development. In 2007, China's largest gas fields natural gas reserves account for 78.33% of total reserves in 2007, only the output of Kela 2 gas field, gas production accounted for 16% of the country. Obviously, to find the next big gas field natural gas development should be an important way.
State workers are expected to increase natural gas output in the world rankings
It is understood that China will greatly enhance China's energy consumption structure of natural gas in proportion. Natural gas as the least polluting fossil fuels in energy than the corresponding calorific value of coal and oil. In the current structure in China's energy consumption, coal accounts for 67%, oil 20%, while natural gas accounted for only 3.4%, well below the 23.5% of the world average. Increase in natural gas in the proportion of energy consumption structure, is conducive to the promotion of energy conservation, but also to maintain economic and social sustainable development.
From the current situation of China's energy consumption structure, the general trend is the steady decline in the proportion of coal, natural gas share is increasing. However, the proportion of natural gas is still very low, hovering around 3%, about the world average of 1 / 7, from another perspective, that of developing natural gas in China has great room for expansion.
Because natural gas reserves in China is rich in resources available for exploitation base, proven technology with natural gas, and mining technology continues to improve: our local natural gas proved reserves and production will also be greatly improved. Dai Jinxing academicians mentioned in China in 2020 is expected to total proven gas reserves of 10 trillion cubic meters, more than 150 billion cubic meters of natural gas production.
Natural gas as a cleaner, better quality, more economical clean energy and chemical raw materials, has been recognized by the international community, to develop natural gas line with the trend of world energy development. To develop natural gas business, is to meet the demand for natural gas to China's efforts, therefore, the development requirements of China's social and economic point of view, the development of natural gas business is a strategic project.
Oil and gas development trend in recent years, China's looking to find oil more than gas prospects in recent years, the national annual increase of only 100 million tons of crude oil production, while the equivalent of natural gas each year there are from six million to seven million tons. Dai Jinxing academicians think so.
Currently, the world's annual output of more than 200 billion cubic meters of gas state only Russia, the United States, although there have been reports in Canada more than 200 billion cubic meters of natural gas annually, but the BP company does not recognize. China's current natural gas output in the world, ranked ninth in the future, is expected to rise to the fourth and fifth.
It is understood that, in order to promote natural gas development, China will take various measures to boost natural gas development: first, a sound regulatory system, improve the standard system and management methods, in order to improve the gas Bichong escort. Second, relying on abundant natural gas resource base, make the whole system of planning, strengthening the natural gas infrastructure construction, increase research, improve our natural gas production and development technology, strive to make China's natural gas market, the middle and lower reaches of the production, supply, coordinated development of sales. Third, make natural gas prices gradually into line with international prices.
Experts believe that natural gas price is an important factor in natural gas exploration, natural gas prices will converge to change the existing natural gas project's economic evaluation mechanism, to improve enterprise input-output structure. This, if effective, to increase natural gas production from enterprises and increasing business investment in gas exploration in a positive sense, the domestic oil and gas price linkage mechanism for natural gas exploration and development of unprecedented historical opportunity.
From the oil-gas to the long development cycle gas hydrate
Knowledge about anything with Deep and process natural gas is no exception.
Before 1980, our thinking has always been looking for oil exploration mainly to the later development of oil and gas balance, and then to the current position of the natural gas industry development.
Prior to 1980, China's only oil-gas geological theory as guidance, not the coal into a gas as the main source exploration, leading to natural gas exploration to avoid with good vision of the coal-bearing basins containing gas and hydrocarbon bearing formation, effects of gas exploration poor.
Since the system is good to determine humic coal gas source rocks, pointed out that the coal-bearing basin (stratum) is an important direction for the exploration of natural gas after the 80's from the last century, natural gas exploration and theoretical guidance from monism (oil-gas) to a dualism (oil-gas and coal gas). White this, the Chinese natural gas exploration and development of small-scale bigger, gas industry by the slow pace of development quickens.
In 2007, national coal into gas production accounts for 63.65 percent of natural gas output. Meanwhile, the 2007 proved reserves of coal into a gas account for the percentage of proved reserves of natural gas over 60% of the rapid development of China's natural gas industry provides the resources and support.
In 2007, China's most abundant coal reserves into gas - Kela 2 gas field, the output was 11.139 billion cubic meters, and has become the first annual output more than 10 billion cubic meters of gas.
Currently, there are seven reserves in more than 100 billion cubic meters of coal gas field large.
The type of natural gas, in addition to oil-gas and coal into gas, there are unconventional gas - coalbed methane, shale gas. In the U.S., coalbed methane, shale gas each accounted for 10% of the total output of natural gas, and our country is just at the initial stage of coal-bed methane, shale gas research has begun its advance, but exploration has not yet begun, therefore, CBM and shale gas development will have a longer period of development.
Secondly, the longer term, there are gas hydrates (solid gas) development, in the United States and Russia have large reserves of gas hydrate found in gas, but no development. South China Sea in China also found in gas hydrate in Qinghai-Tibet Plateau permafrost may also have a large number of gas hydrate, at present, Chinese scholars are holding two views, the first is that the amount of gas hydrate in China is estimated that 100 trillion cubic meters or more, another view is that the oil and gas geological reserve is double, that may reach 400 trillion cubic meters, a huge potential reserves.
China's oil as an integrated international energy company, is also China's largest natural gas production and supply enterprises, should consider long-term, on the technical reserves of gas hydrate, as the great development of natural gas to lay a solid foundation.
In addition, the depth from the exploration point of view, as technology development, deep exploration prospects are very broad, and deep exploration will be based on gas.
Therefore, the whole process from natural gas development perspective, will be a very long period of time, it will be a historic project.