Watch the video in the interactive mode. 
Practice your listening comprehension skills while learning about fracking.
Listen to each extract multiple times before completing a task (unscrambling a sentence or typing the required word).
Recommendation: look through the vocabulary list before starting the exercise.
Enjoy the exercise! Get better! Good luck!

1.	When and how oil and gas were most likely formed?

2.	What is the average depth of a kickoff point to start horizontal drilling?

3.	How long is the average horizontal section of a well?

4.	How long does it take to drill and complete a well before it is ready for frac?

5.	How can fractures be created in deep formations under high pressure conditions?

7.	How much water is required for an average frac?

8.	Give a brief description of a hydraulic fracturing operation.

9.	What issues of hydraulic fracturing cannot be negligible?

10.	What measures are taken to prevent and avoid any negative impact of fracturing?

Hydraulic fracturing is a well stimulation technique involving the fracturing of bedrock formations by a pressurized liquid. 
This technology can dramatically increase the production of an oil and gas well. The frac service market is claimed to grow twice in the next 5 years.
Learn more with ClubClassic and TEDEd info report.

Hydraulic Fracturing Basics - Increasing Oil & Gas Production

hydraulic-fracturing-basics-increasing-oil-gas-production

Let's do English ESL general vocabulary practice. Watch the video in the interactive mode. 
Practice your listening comprehension skills while learning about fr…