How We Do It

Through the re-refining process, used oils can be processed to remove the original additives and contaminants acquired through use. This allows the base oil to be retained. The re-refining process is repeated indefinetly since there is essentially no degradation in the base oil.

Re-refining Benefits »

1 Oil Collection

The process begins with the recovery and collection of reclaimed oil different locations across de country. When reclaimed oil arrives at Olein, it undergoes a rigorous analytical testing to ensure quality prior to refining and recycling.

2 Refining

Used motor oil never breaks down. It just gets dirty. Our refining process, which includes our hydro processing technology, removes contaminants such as fuel, water, sulfur and dirt from used oil. This produces new base oil that is cleaner than virgin base oil made from crude. This process produces high-quality Group II base lube stock and Group II plus.

3 Blending

The re-refined base oil is then blended with a superior package of additives to help reduce oxidation and engine wear while protecting against viscosity and thermal breakdown. The result is a clean, high-quality motor oil that protects engines and the environment and meets the latest API specifications.

4 Oil Change

Our re-refinery allows us to close the loop and offer a sustainable product line. By choosing Olein Refinery & Lubricants for your next oil change, you are choosing to use high-quality finished products while preserving limited natural resources, reducing our dependence on foreign oil, and providing your engine with superior protection.

5 Repeat the Process

Used oil is once again reclaimed by Olein and the entire process “recycles.” In fact, our closed-loop process enables motor oil to be recycled indefinitely, making it a far smarter way to manage used oil.

Advanced Technology

Electrolysis Method

As an environmentally conscious company, we are constantly finding new way to lower greenhouse emissions and protect the environment. With a hydrogen generator (Titan EC-750) on-site, Olein is able to manufactures its own hydrogen through the process of electrolysis– the process of using electricity to split water into hydrogen and oxygen. Water electrolysis technology is the most flexible and tenable solution to store renewable energy on a large, long-term scale.
In 2017, Olein Refinery & Lubricants will be one of the only plants to be completely powered by propane gas. By doing so, hydrogen produced via electrolysis will result in zero greenhouse emissions and criteria pollution emissions.


Through the cutting-edge technology described as “hydroprocessing”, we inject our pure on-site produced hydrogen into our lubricants in order to produce higher yields and upgrade the quality of our products. This process helps us remove heater atoms and saturate carbon-carbon bonds, minimize cracking, and create products suitable for further processing or final blend.

Explore Our Laboratory

Olein has the most completed and advanced laboratory in Latin America and the Caribbean. Every batch of licensed oil produced is tested on-site for quality assurance. We have the laboratory capability to custom-formulate to any specifications.

Gallery »


Measuring viscosity indicates conditions such as oil thickening (from oxidation or nitration) and increased levels of contamination from water, combustion soot etc.

Total Base Number (TBN)

TBN is an indication of the oil’s ability to counteract acids. Oils with a higher TBN provide greater protection against acids.

Total Acid Number (TAN)

TAN measures the acid level in oil and is an indicator of nitration, oxidation and contamination. It is one of the main analyses that establishes the optimum oil drain interval.


Oxidation occurs when oil molecules are exposed to oxygen over a long period of time, especially at high operating temperatures. This is a common problem and can cause the premature thickening of oil and the formation of severe varnish and carbon deposits.


Nitration is a degradation of oil, caused by reacting with the gaseous nitrous oxides (NOx) created during combustion. This can lead to problems such as rust and corrosion.


pH measures the acidity or basicity of a solution; this can be used as an indicator for the oil drain interval


Water contamination, as little as 100 ppm, can cause problems in an engine, such as foaming or breaking the oil down into emulsions and sludge that blocks the filters.

Inductive Coupled Plasma (ICP)

ICP detects and quantifies contaminants and wear particles in the oil sample in ppm. It can detect more than 20 common elements, including aluminum, iron, chrome, copper and lead. Silicon, originating from the fuel source or a damaged air inlet filter, can also be detected.