SHALE-X® (shale hydration suppressant/methylsiloxane)

SHALE-X® is a water soluble organic material based on methyltrimethoxysilane. Designed to suppress shales and clays hydration process – both cuttings and wellbore wall. Forms a protective complex on the clay minerals, prevents water invasion into the shale matrix.  

Description

SHALE-X® is a water soluble organic material based on methyltrimethoxysilane. Designed to suppress shales and clays hydration process – both cuttings and wellbore wall.

SHALE-X® forms a protective water repellent complex on the clay particles, prevents water invasion into the shale matrix. Prevents clay wetting, dispersion and swelling.

Low-gravity solids build-up is 3-4 times lower compared to the conventional KCl/Polymer mud. Density as well as rheological properties remain stable for extended drilling period, even when PDC bits are used.       

Field cases show: 2300 m open hole sections were drilled in shale formation with MBT=28 kg/m3 in the end of the section. Not a single m3 of mud was dumped.

Applications/Functions

·        extraordinary shale inhibition at minimal product concentration 

·        minimum solids build-up

·        outstanding wellbore stability

·        stable density and rheological properties

·        easy circulation break without pressure surge

 Advantages

·        minimum mud dilution and mud volume needed

·        thins mud rapidly at higher concentration – easy to use prior to cementing

·        adds 20-30C to polymer temperature stability

Recommended treatment

2-3 kg/m3 (5-8 ppb). Can be added directly into the pit or through the mud hopper. Pilot testing is recommended.

Typical properties

Dark brown to black liquid

Handling

Please refer to the MSDS for specific instructions

Packaging

SHALE-X® is packaged in 200l drums


Pictures


Documents

SHALE-X_TDS_ENG Size: 411.4 Kb

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