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Company Profile

Committed to becoming an international first-class supplier of petrochemical products and drilling engineering technology service provider.


Shandong Deshunyuan Petro Sci & Tech Co. LTD (hereinafter referred to as “DSY”) is located in Shengli Oilfield (The second largest oilfield in China) of Dongying city. The company was founded in 1999 with 15 million USD registered capital. It is a high-tech enterprise which is dedicated to the new petroleum technology development and application. The company has more than 100 acres of drilling fluid workshops and more than 30,000 MT annual production capacity of drilling fluid additives.

The main business covers drilling fluid additives production, drilling fluid engineering service, harmless disposal technology service of drilling waste, R&D of chemicals for Oilfield. DSY provides drilling fluid products and technical proposal for the customers to help them maximize the productivity and cost-efficiency of their drilling operations.

As one of the first-class suppliers of SINOPEC, CNPC and COSL, the good product quality and the advanced technology promote our products to be widely applied in many domestic and international oilfields and receive a lot of praises from our customers. The products applied in domestic oilfields such as Shengli Oilfield, Tuha Oilfield, Daqing Oilfield and international oilfields in Turkmenistan, Iraq, Kazakhstan, Sudan, Venezuela and so on.

DSY has established “Oilfield Chemical Engineering Center” (hereinafter referred to as “Center”) with China University of Petroleum. The Center covers drilling fluids lab, chemical synthesis lab, chemical analysis lab, reservoir protection lab, which are equipped with more than 100 sets of perfect advanced testing instruments.

DSY has more than 120 employees, includes 48 employees with BA degrees, 8 employees with senior title, 15 scientific researchers, 35 technical personnel.

DSY has set up advanced and improved inner control system and quality control system, it has passed API, ISO9001, ISO14001, ISO18001, HSE of CNPC and Sinopec.

DSY is your best partner to provide professional drilling fluid products and engineering services in oilfield drilling industry.



Provide the highest quality products and services to customers worldwide
Committed to becoming an international first-class oilfield chemical supplier
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