登录
 机构网站
  1. 首页
  2. 情报产品
  3. 快讯详情

《Indian National Gas Hydrate Program Expedition 01 Report》

  • 来源专题：天然气水合物信息监测
  • 编译者： giecinfo
  • 发布时间：2016-03-30

  • Abstract

    Gas hydrate is a naturally occurring “ice-like” combination of natural gas and water that has the potential to serve as an immense resource of natural gas from the world’s oceans and polar regions. However, gas-hydrate recovery is both a scientific and a technical challenge and much remains to be learned about the geologic, engineering, and economic factors controlling the ultimate energy resource potential of gas hydrate. The amount of natural gas contained in the world’s gas-hydrate accumulations is enormous, but these estimates are speculative and range over three orders of magnitude from about 2,800 to 8,000,000 trillion cubic meters of gas. By comparison, conventional natural gas accumulations (reserves and undiscovered, technically recoverable resources) for the world are estimated at approximately 440 trillion cubic meters. Gas recovery from gas hydrate is hindered because the gas is in a solid form and because gas hydrate commonly occurs in remote Arctic and deep marine environments. Proposed methods of gas recovery from gas hydrate generally deal with disassociating or “melting” in situ gas hydrate by heating the reservoir beyond the temperature of gas-hydrate formation, or decreasing the reservoir pressure below hydrate equilibrium. The pace of energy-related gas hydrate assessment projects has accelerated over the past several years.

    The Indian National Gas Hydrate Program Expedition 01 was designed to study the gas-hydrate occurrences off the Indian Peninsula and along the Andaman convergent margin with special emphasis on understanding the geologic and geochemical controls on the occurrence of gas hydrate in these two diverse settings. During Indian National Gas Hydrate Program Expedition 01, dedicated gas-hydrate coring, drilling, and downhole logging operations were conducted from 28 April 2006 to 19 August 2006.

150浏览量
原文链接
相关报告

  • 《Groundbreaking Gas Hydrate Research》
    • 来源专题：天然气水合物信息监测
    • 编译者：giecinfo
    • 发布时间：2016-03-30
    • A new project in Japan is helping scientists make significant progress in studying gas hydrates as a potential source for natural gas production. This research advances understanding of the global distribution of gas hydrates as well as whether and how methane contained in gas hydrates can be used as a viable energy source. The collaboration continues a long-standing relationship between national methane hydrates research programs in Japan and the U.S., but represents the first time that U.S. researchers have been directly involved in studying Japanese gas hydrate samples. In the current phase of this project, an international group of scientists from Japan, the U.S. Geological Survey (USGS), and Georgia Institute of Technology (Georgia Tech) are employing cutting-edge technology and studying rare gas hydrate samples recovered deep beneath the seafloor. ……
    181浏览量
    原文链接

  • 《National Assessment of Oil and Gas Project: Geologic Assessment of Undiscovered Gas Hydrate Resources on the North Slope, Alaska》
    • 来源专题：天然气水合物信息监测
    • 编译者：giecinfo
    • 发布时间：2016-03-30
    • Scientists with the U.S. Geological Survey have completed the first assessment of the undiscovered, technically recoverable gas hydrate resources beneath the North Slope of Alaska. This assessment indicates the existence of technically recoverable gas hydrate resources—that is, resources that can be discovered, developed, and produced using current technology. The approach used in this assessment followed standard geology-based USGS methodologies developed to assess conventional oil and gas resources. In order to use the USGS conventional assessment approach on gas hydrate resources, three-dimensional industry-acquired seismic data were analyzed. The analyses indicated that the gas hydrates on the North Slope occupy limited, discrete volumes of rock bounded by faults and downdip water contacts. This assessment approach also assumes that the resource can be produced by existing conventional technology, on the basis of limited field testing and numerical production models of gas hydrate-bearing reservoirs. The area assessed in northern Alaska extends from the National Petroleum Reserve in Alaska on the west through the Arctic National Wildlife Refuge on the east and from the Brooks Range northward to the State-Federal offshore boundary (located 3 miles north of the coastline). This area consists mostly of Federal, State, and Native lands covering 55,894 square miles. Using the standard geology-based assessment methodology, the USGS estimated that the total undiscovered technically recoverable natural-gas resources in gas hydrates in northern Alaska range between 25.2 and 157.8 trillion cubic feet, representing 95 percent and 5 percent probabilities of greater than these amounts, respectively, with a mean estimate of 85.4 trillion cubic feet.
    179浏览量
    原文链接