- Possessing and operating onshore and offshore drilling.

- Providing drilling services.

- Measuring Karota gas and providing professional human resources.

- Repairing, maintaining and testing petroleum equipments and means.

- Others under the business registration certificate.

- November 26, 2001: PetroVietNam Driling & Well Services Company was established on the basis of PTSC Offshore Services Enterprise (PTSC Offshore);

- February 15, 2006: Transformed into PetroVietNam Driling & Well Services Corporation under the business registration certificate No.4103004335 issued by Hochiminh Department of Planning and Investment;

- December 05, 2006: Listed on Hochiminh Securities Trading Center;

- May 11, 2007: Transformed into PetroVietNam Driling & Well Services Corporation with a charter capital of VND680 billion;

- 2009: Petrovietnam Drilling Investment Corporation (PVD Invest) was merged into PetroVietNam Driling & Well Services Corporation with the charter capital up to VND2,105 billion;

- 2010: Established Petrovietnam Drilling Investment Services Company (PVD Invest) and PV Drilling - Baker Hughes Joint Venture Company;

- 2011: Established PVD Tech - Oil State Industries Joint Venture;

- September 30, 2019: Increased the charter capital to VND4,215,457,890,000;