쉐도잉 연습: Inside the Upstream Process: How Oil & Gas Is Found - 영상으로 영어 말하기 배우기
로딩 중...
1
The oil and gas value chain is broadly divided into two segments.
2
Upstream for the discovery and production of crude oil and natural gas, and downstream for refinement and sales of the end products.
3
Each is a big industry of its own.
4
Due to the complexity of each segment, most companies focus on one, though major oil and gas companies are fully integrated across the value chain.
5
Let's start with upstream.
6
The world has a surface area of 200 million square miles.
7
How can oil companies know where oil and gas reserves are?
8
It starts with the exploration phase.
9
Explorations can be onshore or offshore, and the objective here is not to find oil or gas,
10
but to narrow down the search area by identifying potential reservoirs that might host oil and gas.
11
Have you ever seen someone selecting a watermelon by tapping on it
12
and listening for a hollow sound sound to see how ripe it is, oil and gas exploration process is similar to that, just more expensive.
13
A lot more expensive.
14
The exploratory process starts with seismic surveys of basins to scan below the surface and identify potential reservoir targets.
15
Seismic surveys use sound waves, akin to the watermelon tapping and listening method, to create images of subsurface rock layers.
16
The sound waves, generated by a loud bang, like the detonation of dynamite in a hole dug in the ground or from an air gun in the water,
17
travel through the Earth and are partially reflected by each rock boundary back to the surface.
18
Geophones placed at the surface record the reflections,
19
which are then digitized and analyzed by geophysicists to identify potential rock formations that could lead to oil and gas accumulations.
20
In addition to seismic surveys, companies also conduct regional studies to see if there are discovered reserves in neighboring countries with similar geographies.
21
This would increase the probability of discovering reserves in the basin under exploration.
22
Based on the results of seismic surveys and regional studies, companies will decide to proceed to drilling exploratory wells, which are typically 5 inches wide,
23
with a depth ranging from a few hundred feet to 20,000 feet.
24
Next, samples are collected from the drilled wells and tested, in attempts to confirm the presence of a reservoir and its properties in terms of volume and mobility,
25
that is, how easily the reservoir will flow.
26
Tests are used to create 3D models of the reservoir and to identify the depth of different layers of gas, oil, and water.
27
This is an important step because drilling to extract oil and gas is a delicate operation, and mistakes can be economically catastrophic.
28
Even with the most advanced tests and models, exploration is always a risky bet.
29
companies can spend millions drilling to find an empty well or wells that are not commercially recoverable with existing technologies.
30
With modern seismic survey technologies the chances of finding oil or gas is less than 20 percent.
이 레슨에 대해
"Inside the Upstream Process: How Oil & Gas Is Found"으로 쉐도잉 기법을 사용해 영어를 연습합니다.
매일 15~30분 꾸준히 연습하면 IELTS 스피킹에 대한 자신감이 길러집니다.
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.