CHK vs PTR

Chesapeake Energy Corporation

Chesapeake Energy Corporation engages in the acquisition, exploration, and development of properties for the production of oil, natural gas, and natural gas liquids (NGL) from underground reservoirs in the United States. The company holds interests in natural gas resource plays, including the Marcellus in Northern Appalachian Basin in Pennsylvania; Haynesville located in Northwestern Louisiana; Eagle Ford in South Texas; Brazos Valley in Southeast Texas; and Powder River Basin in Wyoming. As of December 31, 2020, it owned interests in approximately 7,400 oil and natural gas wells, including 5,900 properties with working interest and 1,500 properties with royalty interest; and had estimated proved reserves of 60 Mmboe. The company was founded in 1989 and is headquartered in Oklahoma City, Oklahoma.

PetroChina Company Limited

PetroChina Company Limited, together with its subsidiaries, engages in a range of petroleum related products, services, and activities in Mainland China and internationally. It operates through Exploration and Production, Refining and Chemicals, Marketing, and Natural Gas and Pipeline segments. The Exploration and Production segment engages in the exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment refines crude oil and petroleum products; and produces and markets primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment is involved in marketing of refined products and trading business. The Natural Gas and Pipeline segment engages in the transmission of natural gas, crude oil, and refined products; and sale of natural gas. As of December 31, 2020, the company had a total length of 31,151 km, including 22,555 km of natural gas pipelines, 7,190 km of crude oil pipelines, and 1,406 km of refined product pipelines. The company is also involved in the exploration, development, and production of oil sands and coalbed methane; trading of crude oil and petrochemical products; storage, chemical engineering, storage facilities, service station, and transportation facilities and related businesses; and production and sales of basic and derivative chemical, and other chemical products. The company was founded in 1999 and is headquartered in Beijing, the People's Republic of China. PetroChina Company Limited is a subsidiary of China National Petroleum Corporation.