概括
美国地质调查局.
科学领域:
- 地质与地球科学 地质与地球科学
- 石油地质学 石油地质学
- 资源估计 资源估计
背景情况:
- 美国地质调查局 (USGS) 提供可回收的碳化合物量估计.
- 这些估计对于离岸租销售和钻探后评估至关重要.
研究的目的:
- 为了比较租前的销售和钻井后的碳化合物量估计.
- 评估这些估计之间的相关性和潜在偏差.
主要方法:
- 美国地质局碳化合物量估计的比较分析.
- 对相关性和偏差的统计评估.
主要成果:
- 在钻探前和钻探后的估计值之间观察到适度的正相关性.
- 在这两组估计值之间没有发现显著的相对偏差.
- 发现体积预测的准确性有限.
结论:
- 美国地质调查局 (USGS) 的碳化合物量估计显示了随着时间的推移而出现的一致性.
- 虽然不偏见,但估计的有限精度在资源管理中需要考虑.
相关概念视频
01:05Estimation of the Physical Quantities
On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
01:15Quarrying of Stone
Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the block.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the block.