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Head Office: No. 52 Street 30/4, Thang Nhat Ward, Vung Tau City, S.R. Vietnam

Telephone​: 84-254-3839871/2-Ex.3423, Fax: 84-254-3832383/3332.



Drilling and Workover  Division was established on Jun 2nd, 1983.

Main Activities:


     Provide drilling and workover services of exploration and production wells.

     Provide materials, equipment for PetroVietnam’s drilling contractors.


Capabilities and facilities:

With nearly 1,000 professional and highly-skilled staffs, Drilling and Workover Division  (DWD) manages and operates 05 jack-up rigs with state-of-the-art equipment: Tam Dao 01, Tam Dao 02, Tam Dao 03, Tam Dao 05, Cuu Long and Tam Dao 05. DWD also manages 06 Uranmash-3D drilling systems,  2 Modular mobile workover unit for well workover (MMWU-01, MMWU-02), as well as an onshore service base with various workshops including a MWD (measurement while drilling) directional drilling and drilling fluid department ,cementing department, 5 drilling teams and well work-over teams. With all of the facilities and manpower at hand, DWD is capable of providing turnkey package as well as separate drilling services.



Quality Management System: ISO 9001:2015; ISO 14001:2015

ISM Code, ISPS Regulations

Occupational Health and Safety Assessment Series:  0HSAS 18001:2007


Products – Services:

     Exploration and production drilling.

     Well workover and abandonment.

     Directional and horizontal drilling up to 90 degrees;

     Fishing service;

     Supply of manpower for drilling and well work-over operation;

     Cementing and casing pressure test;

     Drilling fluid and chemical services;

     Supply of drill pipes, casing, and  liner hanger;


     Repair and maintenance of drilling tools and equipment;

     Non-destructive tests;

     Chartering drilling rig ;


Projects – Clients:

Drilling and Workover Division  is currently operating for such fields as White Tiger, Dragon, Dai Hung, Nam Rong-Doi Moi, White Bear, White Cat, White Rabbits, Thien Ung, etc.

     Drilled over 500 wells in which the deepest well is approximately 5500 meter;

     Drilled over 2.4 million meters in length;

     Provided workover for over 800 production and water injection wells;

     Provided well abandonment for 36 wells;

DWD provided high quality drilling, well workover and abandonment services with high quality and experienced human resources for many clients, such as: VRJ, PVEP, PVEP – BITEXCO, etc.