Enhanced oil recovery (EOR) chip - topconnect

In stock
As low as €600.00

per 3-Pack

Enhanced oil recovery chips can be used to verify calculation models, providing an optical clear surrogate rock. Known geometrical conditions and optical clear chips create optimal conditions to study physical processes that normally occur inside rock formations.


Enhanced oil recovery chips are available in three designs as listed below and can be supplied with or without a hydrophobic coating. By default glass behaves hydrophilic. The optional coating is applied on a best effort base, it is possible that some areas where geometries are not interconnected will stay uncoated.

Physical rock network

This chip is designed by randomly placing rock shaped structures on the chip to resemble the shape that is obtained by cutting rock as accurately as possible. This random structure results in throats and channels between the rock structures. This method of random placement does not give information on throat size distribution. For simulation purposes, the mask (2D) design is available on request. However, experience has taught us that the complexity of this structure makes it challenging to run computer simulations on.


Random network

Random network porous structure chip, often used for Chemical Enhanced Oil Recovery (CEOR) and Microbial Enhanced Oil Recovery (MEOR) experiments.


Uniform network

A systematically organized and well-defined rock-pore structure of equally sized pores and channels.


More Information
Unit of measurement3-Pack
Interface typeTopconnect
Channel height20µm
Chip thickness1800µm
Chip materialBorosilicate glass
Number of inlets1
Number of outlets1
Supply format & dimensions

Supplied in black polymer cardtridge (polypropylene). The glass element has a size of 45x15mm. 

Icon Label Description Type Size Download
pdf EOR information Additional information on the Uniform, Random and Physical rock network structures. pdf 257.8 KB Download
Customer Questions
How do I clean my chips?
One simple but very effective way to clean a microchip is to flush an alkaline solution through the channels. A solution of 1 M sodium hydroxide in water works well, but a lower concentration might also be sufficient. If traces of the cleaning solution...
Which pressure and temperature can the EOR chip hold?
The EOR chip itself is manufactured from glass an can easily withstand up to 300⁰C. The chips are supplied in a black fluidic cartridge however. This cartridge can widthstand up to 80⁰C. No sealant is used, the two layers of glass are fusion bonded ...
I'm using the Fluidic Connect 4515 holder (part of high pressure bundle), what alignment and fluidic port should I use?
The fluidic ports are on positions 3,8Alignment can be done on positions 2,7 (or 4,9).
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