Oil-resistant and salt-tolerant foaming agent
Oil-resistant and salt-tolerant foaming agent was developed using a surfactant with dual hydrophobic segments and a negatively charged nonionic surfactant.
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Oil-resistant and salt-tolerant foaming agent
Product Description
Oil-resistant and salt-tolerant foaming agent was developed using a surfactant with dual hydrophobic segments and a negatively charged nonionic surfactant. This system exhibits excellent oil resistance and can reduce the emulsification capacity of crude oil; at a concentration of 0.5%, it can withstand oil content of up to 20% or more, and at a concentration of 1%, it can withstand oil content of up to 30%. It also features high temperature resistance, good resistance to mineralization, and resistance to pressure and aging at high temperatures.
Product Features
1. This system exhibits excellent oil resistance.
2. It can reduce the emulsifying capacity of crude oil; at a concentration of 0.5%, its maximum oil resistance can reach over 20%.
3. It features high temperature resistance, good resistance to mineralization, and resistance to pressure and aging at high temperatures.
4. It has a temperature resistance of at least 130°C.

SEM and Foaming Behavior Under Oil-Contaminated Conditions
Application
This product is particularly suitable for profile adjustment and water blocking in reservoirs with high oil saturation, high-viscosity heavy oil, strong formation heterogeneity, insufficient energy, formation flow paths, low-water-content heavy oil reservoirs, and reservoirs with bottom-water or edge-water conditions.
Specifications
| Item | Value | |
| Appearance | Colored to pale yellow, uniform liquid | |
| pH (1%) | 6.0-9.0 | |
| Density (25°C), g/cm³ | 1.00-1.15 | |
| Foam Volume (25°C, water with 218,000 mineralization degrees), mL | ≥400 | |
| Liquid Separation Half-Life (25°C, water with 218,000 mineralization degrees), min | ≥10 | |
| Temperature and Salt Resistance (130°C, 7 days, 35 MPa, 218,000 water cycles) | Volume of foam, mL | ≥400 |
| Liquid-phase half-life, min | ≥25 | |
| Foam half-life, h | ≥8 | |
| Resistance Factor (150°C) | ≥100 | |
| Natural Sedimentation Dehydration Rate, % | ≥85% | |
| Organic Chlorine Content, % | 0.0 | |
Directions for Use
1. The recommended concentration for field use is 0.5%–1.0%. Inject it into the formation alternately with gas, and design the injection rates of oil- and salt-resistant foaming agents and nitrogen based on reservoir conditions.
2. The product has been used in over 300 wells across multiple oilfields in western China.
Packaging Specifications
Depending on the customer’s needs, the product will be packaged in ton containers or 200-kg drums and delivered by courier to the designated location by the date specified by the customer.
Dongying Focus Petroleum Technology Co., Ltd. is a professional oilfield service company specializing in the research, development, and manufacturing of oilfield chemicals. We are a trusted manufacturer and supplier of specialized chemical solutions for heavy oil recovery, hydraulic fracturing and acidizing, enhanced oil recovery (EOR), water shutoff, and profile control applications in China.
Since our establishment, we have built a highly skilled technical service team and established long-term strategic partnerships with research institutes affiliated with CNPC, Sinopec, CNOOC, Kerui Group, as well as leading universities including China University of Petroleum (East China), Shandong University, and Tianjin University. Our high-performance oilfield chemicals, experienced professionals, and comprehensive technical services have earned widespread recognition throughout the industry.

Our major partners include CNPC, Sinopec, CNOOC, Kerui, and other leading oil & gas operators and oilfield service companies. To date, we have successfully supplied products and technical services to customers in more than 10 countries and regions, including Kazakhstan, Colombia, Brazil, and Venezuela.
Are we traders or manufacturers?
We are a primary manufacturer of oilfield chemicals and operate our own production facilities.
How are the products packaged?
Solids are generally packaged in 25-kg bags, while liquids can be packaged according to customer requirements, typically in 25-liter drums, 200-liter drums, or IBC containers.
How long is the lead time?
If the goods are in stock, delivery typically takes 5–7 days; if they are out of stock, delivery takes 10–15 days, depending on the quantity. The times listed above refer to delivery to a port in China.
Do you offer OEM/ODM services? Can you customize my logo or packaging?
We offer OEM/ODM services and can customize customers' logos and packaging.
Can I request free samples before placing a bulk order?
We can provide free samples.
Do you offer DDP door-to-door delivery with customs clearance and tax included?
Of course.
What payment methods do you accept? (T/T, PayPal, credit card, L/C?)
We accept T/T.
What are your payment terms?
30% deposit + 70% balance to be paid in full before shipment







