CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED

Address: No.6 Mengzhuiwan Street,Chenghua District,Chengdu,Sichuan Province,P.R.china

TEL: +86-2886019482

E-mail: gjgcsckfb@cnpc.com.cn

CCDC Drilling Fluids Service Company. CNPC Chuanqing Drilling Engineering Company Ltd.

Address: No. 6, Meng Zhui Wan St. Chengdu, P.R. China

TEL: +86-28-86012418

E-mail: cqswc@cnpc.com.cn

CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED DRILLING & PRODUCTION TECHNOLOGY RESEARCH INSTITUTE

Address: No. 88, SEC. 2, Zhongshan Avenue, Guanghan City, Sichuan Province

TEL: +86-08385152484/+86-02986594778

E-mail: hehai_sc@cnpc.com.cn / splendidcry@cnpc.com.cn

CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED TURKMENISTAN BRANCH

Address: 4-5 floor Block B,553/3 Bitarap Turkmenistan, Ashgabat .Turkmenistan

TEL: +993-12445400

E-mail: tkmzhglwlk@cnpc.com.cn

CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED ECUADOR BRANCH

Address: Av.of the Shyris E9-38 and Belgium, Shyris Century Building,9th Floor, Quito-Ecuador

TEL: +593-2297000

E-mail: egdesckfb@cnpc.com.cn

CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED PAKISTAN BRANCH

Address: HOUSE NO.9 STREET NO.6, SECTOR F-6/3, ISLAMABAD, PAKISTAN

TEL: +92-3345059270/ FAX: 051-2826826

E-mail: bjstzhb@cnpc.com.cn

CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED MID-EAST BRANCH

Address: P.O.BOX 18138, Plot No.S40320, JEBEL ALI FREE ZONE, DUBAI,U.A.E.

TEL: +971-552219636

E-mail: ccdcmideast@cnpc.com.cn