Stepan Oilfield Solutions

At Stepan Oilfield Solutions, we proudly bring science to stimulation — applying advanced chemistry to oil and gas applications. We deliver customized solutions that help you save money, protect your assets and optimize your business. We listen, to fully understand your needs, helping guide your product selection with data so you can make informed decisions up front, to mitigate risks today and prevent problems tomorrow. We will work together with you to bring value to the surface.

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Speaker Spotlight

Lynn Yakoweshen

Lynn Yakoweshen, Global Business Manager for Stepan Oilfield Solutions, has been involved in oil and gas for nearly 20 years, transitioning from sales, to business development, to global business leader. She joined Stepan Company seven years ago, forming Stepan Oilfield Solutions, a strategic team of chemists, engineers and sales professionals who develop innovative solutions and take them to market. 

She most recently presented on Stepan Oilfield Solutions' PETROCIDE® Registered Biocides. These U.S. EPA-registered biocides protect your oil and gas assets and equipment from microbial contamination that may result in significant safety concerns and economic challenges. Her presentation goes through various approaches and laboratory tests that show how PETROCIDE® Registered Biocides are effective at reducing problematic oilfield microorganisms at varying developmental stages. 

Exploration Solutions

Stepan Oilfield Solutions offers a range of products to provide formulators numerous options for meeting their application performance requirements. We offer:

Emulsifiers and Wetting Agents

Our emulsifiers create an emulsion of two immiscible liquids, and wetting agents that wet solids.


Drilling Mud Recycling

Our surfactant blends remove residual oil from spent drilling mud.


Wellbore Cleaners

Our high salinity-tolerant surfactant blends remove drilling mud and leave water-wet surfaces for cementing.


Cement Foamers

Our foaming agents for cement create uniform bubble density and are compatible with oilfield cement formulations.


Contact us today to discuss your exploration needs.

Stimulation Solutions

Stepan Oilfield Solutions can tailor specialized components and formulated solutions for stimulation. Our suite of products include:

Friction Reducer Boosters

Our PETROSTEP FRB Solutions extend the performance of friction reducers in a wide range of frac fluids. Watch our new demo video to learn more.


Acid Stimulation Surfactant Blends

These products create emulsions of solvents with acids for acid stimulation and spearheads.


Flowback Aids

Our PETROSTEP® ME-2 flowback aid is an exciting new technology developed to increase flowback from hydraulic fractures and enhance the well's oil productivity. These were designed to remediate as many of the ways fracturing fluid can damage the formation. Watch our latest webinar to learn more.


Hydration Aids

These surfactants help hydrate water-soluble polymers such as guar and polyacrylamide.



Our wide array of surfactant blends may be used for preventing emulsions in frac fluids. Download our PETROSTEP NE Series brochure to learn more.


Registered Biocides

Our PETROCIDE® Registered Biocides eradicate and prevent harmful bacterial growth in various stages of oil and gas production. They have been shown to be effective against free-floating bacteria and biofilm colonies of varying anaerobic bacteria species. Watch our webinar on these U.S. EPA-registered biocides to learn more.


Viscoelastic Surfactants

We have an extensive product line for creating desired rheologies for frac fluids and other applications under a variety of conditions. Learn more about our PETROSTEP VES-1 and PETROSTEP VES-2 viscoelastic surfactants.


Our technical experts can work with your existing system to quickly tailor a solution for your specific application. Contact us today.

Production Solutions

Stepan Oilfield Solutions offers a robust oilfield chemicals portfolio your production needs. Our PETROSTEP® product line is backed by science and application experts. They include:

Corrosion Inhibitors

Our PETROSTEP CI products are designed to meet a wide range of application needs — from pipelines to production and injection wells, to storage tanks, pumps and treatment units.

We also offer a variety of water- and oil-soluble corrosion inhibitor concentrates for continuous and batch treatment applications. Download our CI Concentrates Catalog to learn more. 



Our specialty formulations create emulsions and microemulsions for delivery of non-aqueous actives.


Oilfield Cleaning Concentrates

Our formulated concentrates work on the toughest oilfield soils.



Stepan Oilfield Solutions’ dispersant products are designed to be used for dispersing waxes, asphaltenes and sludges during production and cleanout operations.


Scale Inhibitors

Our PETROSTEP SI-1 is a proven inorganic scale inhibitor. In Dynamic Scale Loop Tests (DSLT), it outperforms other commercially available products in preventing scale build-up.


Gas Well Deliquification

We offer a broad range of temperature, salinity and oil-tolerant foaming agents.


Registered Biocides

Our PETROCIDE® Registered Biocides eradicate and prevent harmful bacterial growth in various stages of oil and gas production. They have been shown to be effective against free-floating bacteria and biofilm colonies of varying anerobic bacteria species. Watch our webinar on our U.S. EPA-registered biocides to learn more.


Let us customize a solution for your specific application. Contact us today.

EOR/IOR Solutions

Do you have an EOR/IOR project? Ask us about our EOR/IOR offerings, including:

Low Interfacial Tension (IFT) Surfactants

These surfactants are designed to lower oil/brine IFTs across a broad range of salinities and temperatures.


Wettability Alteration Aids

Our surfactants can be used to modify the wettability of mineral surfaces and aid oil mobilization.


Foam Conformance

We offer solutions for near well bore and far field applications, covering temperatures up to 275°C.


Contact us to learn more about our EOR/IOR products.

Publications and Case Studies

The Stepan Oilfield Solutions Center of Excellence in Houston, Texas, houses a team of application experts who focus on field-use formulations that help solve problems encountered in hydraulic fracturing and production fluids. Contact us today to access our case studies below and learn how surfactant science can make a difference in your operations. 


An Ounce of Prevention is Worth a Pound of Biofilm Mitigation

Microbial-induced problems in oil and gas incur high costs and cause severe environmental and safety concerns. Most of these problems are directly caused by surface-adhered bacteria colonies known as biofilms. This initial study measured the performance of biocides containing two types of quaternary ammonium compounds and blends with glutaraldehyde were evaluated against sulfate reducing bacteria (SRB) and acid producing bacteria (APB) in planktonkic and sessile forms. 


Visualization of Flowback Aid Mechanisms Utilizing a Microfluidic Pore-Scale Device

Slickwater fracturing fluids are commonly used in oilfield to create fracture networks in tight rocks to promote oil and gas production. These fluids employ friction reducers to reduce friction pressure and allow faster injection and lower pumping pressure. However, polymer residue from friction reducers can reduce the permeability of tight rocks during flowback. To help understand the damage mechanisms of friction reducers and their remediation, this study looked at the dynamics of fluid behavior in unconventional resources by combining coreflood and microfluidics-based measurements. Through this combination, the researchers were able to gather quantitative results and visualization. 


A Novel Method to Evaluate Ability of Surfactants in Slickwater Fluids to Minimize Formation Damage and Optimize Hydrocarbon Recovery after Hydraulic Fracturing

In recent years, use of slickwater fracturing fluids has emerged as a standard practice in fracturing U.S. shale reservoirs. Using less proppant and fewer components than traditional fracturing fluid systems, slickwater systems have greater fracture-conductivity than similar guar-based systems. With the adoption of this new technique, a key area of interest is in assessing the impact of surfactant additives on improving permeability and maximizing hydrocarbon recovery. This study examines the ability of surfactants to mitigate permeability impairment in a slickwater system.


Enhancing Friction Reducer Performance in High Salt Conditions

Friction reducers are an essential part of hydraulic fracturing, allowing pumps to push fluids at faster rates using less horsepower. The polyacrylamide friction reducers typically used in this application are sensitive to dissolved solids, which is particularly important as operators begin to use more produced water and freshwater sources become more expensive or unavailable. This study details a series of experiments using a friction flow loop to observe the effect of dissolved cations on friction reducer performance. A surfactant system was shown to be effective in preventing performance degradation in saline water and extending the salt tolerance of a friction reducer

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