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Sinopec to double shale gas capacity

By Lyu Chang and Tan Yingzi | China Daily Europe | Updated: 2016-01-03 12:14

First phase of key project starts in Sichuan Basin of southwest China

China Petrochemical Corp is planning to boost shale gas output capacity at its Fuling project to 10 billion cubic meters by 2017.

The company, also known as Sinopec, says that the first phase of the Fuling shale gas project in the Sichuan Basin of Southwest China has commenced production with an annual capacity of 5 billion cubic meters.

Sinopec to double shale gas capacity

Workers perform drilling operations at Sinopec's Fuling shale gas project in Sichuan Basin. Provied to China Daily

The project, China's largest shale gas project to date, is the latest sign that China's shale gas sector is revving up as the country seeks to optimize its energy use to reduce emissions.

Sinopec, also Asia's biggest oil refiner, says work on the second phase of the project has started in eight blocks at the site with a total area of 460 square kilometers.

Jiao Fangzheng, vice-president of Sinopec, says that shale gas output from Fuling would bolster the country's energy strategy and achieve large-scale shale gas commercialization soon.

"The fruits that we achieved have given us huge confidence. The extraction and exploration model in Fuling can be duplicated and promoted in many other places," he says.

Though China has rich shale gas resources, high extraction costs, lack of advanced drilling techniques and a complicated terrain have hindered development.

But the country is taking huge steps toward tapping its shale gas potential with more localization of key equipment and steps to cut carbon footprint and the excessive reliance on coal.

The costs of drilling a single shale gas well have fallen by 20 percent from a year ago in China, Jiao says.

Huang Zhongyao, deputy manager of Sinopec Chongqing Fuling Shale Gas Exploration and Development Co Ltd, says that the company has put great efforts in research to localize the key equipment for shale gas development.

"In the past, we had to import all the key equipment and the price was really high," he says. "Now we have developed our own technologies and equipment."

Due to the complex geographic structure in the Sichuan Basin area, the company is facing more challenges in drilling gas from below the ground than its peers in North America.

The average depth of the wells in Fuling is between 2,400 meters and 2,800 meters, while in North America, most wells are less than 2,000 meters deep, Huang says.

"Our deepest well is 4,200 meters," he says.

The current daily production at the Fuling site, which has 380.6 trillion cubic meters of proven shale gas geological reserves, is enough to meet the daily needs of 32 million residents.

Experts says shale gas is likely to become a game changer in China's energy mix just as happened in the United States, given the huge potential of shale gas exploration in the country.

Currently China's natural gas accounts for a mere 5.5 percent of primary energy consumption, much lower than the world's average natural gas consumption of about 24 percent in the energy mix.

Contact the writers at lvchang@chinadaily.com.cn and tanyingzi@chinadaily.com.cn

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