- Traditional Chinese Character(HanT):
中海油
- Simplified Chinese Character(HanS):
中海油
- Bopomofo(Mandarin Phonetic Symbols): ㄓㄨㄥ ㄏㄞˇ ㄧㄡˊ (ㄓㄏㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): "5j/ c93u.6" (5j/c93u.6)
- (ASCII) Hanyu Pinyin: "zhonghaiyo" "Zhong1Hai3Yo2" "Zhong1 Hai3 Yo2" (ZHY)
- (Latin) Hànyǔ Pīnyīn: ZhōngHǎiYó [ Zhōng Hǎi Yó ]
- (英文翻譯) English Translation: "CNOOC"
- (西語翻譯) Traducción Español: "CNOOC"
- (日文翻譯) 日本語翻訳: "クヌーク"