PetroChina's domestic crude oil pipelines had a total length of about kilometers in 2021, while natural gas pipeline had a total length of about * kilometers. Overall, pipeline length decreased in 2021 compared to the previous year.
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PetroChina, & cninfo.com.cn. (April 7, 2022). Pipeline network length of PetroChina from 2010 to 2021, by product type (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/
PetroChina, und cninfo.com.cn. "Pipeline network length of PetroChina from 2010 to 2021, by product type (in kilometers)." Chart. April 7, 2022. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/
PetroChina, cninfo.com.cn. (2022). Pipeline network length of PetroChina from 2010 to 2021, by product type (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/
PetroChina, and cninfo.com.cn. "Pipeline Network Length of Petrochina from 2010 to 2021, by Product Type (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 7 Apr 2022, /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/
PetroChina & cninfo.com.cn, Pipeline network length of PetroChina from 2010 to 2021, by product type (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/ (last visited August 05, 2026)
Pipeline network length of PetroChina from 2010 to 2021, by product type (in kilometers) [Graph], PetroChina, & cninfo.com.cn, April 7, 2022. [Online]. Available: /statistics/227276/length-of-the-china-national-petroleum-corporations-cnpc-oil-and-gas-pipelines/
