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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: -
  • Other Names: SAS drilling fluid additives
  • MF: -
  • EINECS No.: -
  • Purity: 99%
  • Place of Origin: Henan, China (Mainland)
  • Type: calcium carbonate drilling Fluid
  • Usage: Coating Auxiliary Agents, Paper Chemicals, Petroleum Additives, Rubber Auxiliary Agents, Textile Auxiliary Agents, Water Treatment Chemicals
  • Brand Name: Zuan Feng
  • Model Number: FT
  • Item: sulfonated asphalt as oil well drilling fluid chemicals
  • Package: in 4-in-1 compound paper bag
  • Acid soluble %: ≥99
  • Dosage: 4%
  • Main usage: drilling
  • sample: free
  • Keywords: Sulfonated Asphalt
  • Main Function: Filtration reducer
  • Grades: Fine, medium, coarse
  • Trade type: Manufacturer

Packaging & Delivery

Packaging Details Shale stabilizer sulfonated asphalt as oil well drilling fluid chemicals package:
25Kg net sealed in 4-in-1 compound paper bag with plastic lining.
Delivery Time Shipped in 7 days after payment


Shale stabilizer sulfonated asphalt as oil well drilling fluid chemicals

Product Description
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals


Product property

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Sulfonated asphalt is a proven extensively useddrilling fluid additive with many fine properties. Oil asphalt isbasal raw material. It appears brown in easy breakable pieces or fluidized powder. Its density is 0.98g/cm3. It's partly water soluble partly oil soluble for every kind of drilling fluid. Our company is the first manufacturer in China.


Product parameters

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Water soluble content %


Oil soluble content %


HTHP. FL reducing rate %




Moisture %



Product use

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They can emulsify fresh water or sea water with oil, depress the dispersion of drill chips, control HTHP FL, produces thin and tenacious mud cakes, helps maintain low shearing rate under HTHP, cleans and stabilizes well holes that have a great deal of collapsing shale. 

  • Stabilize shale stratum
  • Reduce rotative torque and prevent jamming
  • Substitute of oil, including crude oil, waste engine oil and diesel oil
  • Depress the solid expansion of drill chips
  • Produce thin and tenacious mud cakes
  • Recommended quantity to be added: 1-4%


Product Application

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    No.7 Chemical's oilfield drilling chemicals sulfonated asphalt, cementing additives ect were widely used in oilfield drilling and cementing affairs by many wolrd-class oilfield service companies.



Company Information
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals




     Henan Xinxiang No.7 Chemical Co., Ltd. is specialized in manufacturing oil field drilling fluid additives, and we are the first manufacturer of sulfonated asphalt here in China.


NO7-One you need,All we support.

    The factory has a long history, have long been engaged in foreign trade processing, quality service, ensure the quality, price concessions. Factory space is now over 2 million square meters and has more than 300 employees.



NO7-One you need,All we support.

    Proficient in foreign trade in a number of companies, professionals familiar with international practices, our factory has its own storage. We manage the warehouse personal, ensure the high inventory ratio about raw material and final product.



NO7-One you need,All we support.

    With more than 30 years’ development, now we research and develop a series of drilling fluids additives. These products can apply in water-based drilling and oil-based drilling mud system. we always do our best to meet different clients’ requirements and strive to keep pace with the international standard.


Quality control system

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    We have got the certificates of ISO9001: 2008 Quality Management System and ISO14001: 2004 Environmental Management System and our inner management was controlled based on the standards of above systems. We have well formed quality and environmental systems, which from the purchasing of raw materials to product delivery, every link was controlled by the relative control department. With these systems, we can ensure 100% products pass testing before shipment.


Reputation & History

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     We began to research and develop the producing technology of sulfonated asphalt in 1983 under the leadership of Dr. Shen, specialist from Research Institute of China Petroleum & Development. In 1984, we tried to produce this new product after one-year’s effort, and it proved to be successful. In 1985, our sulfonated asphalt was firstly sold to oil filed to solve the problems of collapse and fluid loss.



Customer relations
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals




     We warmly welcome the regular and new customer visiting our company or giving you kind advice to us. We wish to work hard together with you to build up a bright future!


Customer visiting and exhibition

NO7-One you need,All we support.

    I found that as long as we have the cooperation of the customer for the first time, will no doubt become the long-term partner. Relatively fixed overseas for more than 100 customers, in addition, in each of the seven or eight overseas trade show exhibitors.


Packing & Shipping

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    Packaging and transport in sacked with three package,25Kg/sack. Kept away from fire,damage and leakage in store and transportation. Storage life is two years.



 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals


    We can order the production plant or OEM, according to customer demand for products LOGO and small packaging, We sincerely welcome customers at home and abroad to visit our factory and become our long-term partner. 



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Q1.How long is the lead time once starts a new order?
The leading time is 14 days.

Q2.Do you have a specific product quality control system?  
Yes! The strictly quality control system carry out in every link from raw material to delivery According to ISO9001:2008 Quality Management System Certificate.

Q3. Do you accept customized packing marks? What is the bag material?
Customized packing can be accepted

Q4. How fast can you dispatch the appointed sample?
Sample will post out Within 2 days

Q5.What is the warranty time you can promise after-sale?
2 years for warranty time can be guaranteed.  


Contact us

NO7-One you need,All we support.

    If you are interesting in our products or you still have any questions, pls contact me by the following ways, thank you first and I wish all the best in your career.



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Trade Assurance
China (Mainland) | Manufacturer
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3 Transactions 60,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $273,000
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