Hydraulic pressure stimulation (Fracturing) of oil and gas well is the main method of stimulation.

水力压裂作为一种改造油气层的重要方法，是油气增产、增注的有效措施。

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Hydraulic fracturing is an important measure for increasing the output of oil-gas field and augmenting injection of water-injection well.

水力压裂是油气田增产、注水井增注的一项重要措施。

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"Hydraulic fracturing in a well for shale gas development, which involves injection of fluids to fracture the shale and release the gas up the well, has been confirmed as the cause for small felt seismic events at one location in the world, " the report states.

CNN: Debate over fracking, quakes gets louder

You are correct that the entire lifecycle of a gas well using current advances in horizontal drilling and hydraulic fracturing needs to be safe and secure.

FORBES: EPA Doubts Its Own Anti-Fracking Study, While Ohio Determines Fracking Did Not Spawn Earthquake Swarm

Every well that gets drilled into shale formations or other tight reservoirs requires hydraulic fracturing before the oil and gas will flow.

FORBES: Shale Gas Frackers Get Excited About ... A New Sponge?