Bentonite Managing company
Bld.12/1, Tverskaya St., Moscow
Tel.
+7 (495) 626 51 49

Bentonite for drilling fluids

Bentonite is used for drilling fluids preparation. When mixing with water bentonite clay forms a viscous gelled suspension which serves as a basis for drilling fluid. During borehole construction, drilling fluid flushes the bore hole to clean it out from cuttings, lubricate and keep the drill bit cool and for other specific purposes of drilling. An important property of bentonite-based drilling fluid is that it ensures the bore hole walls stability by mudding. When the drilling fluid circulation is stopped, the clay suspension prevents cuttings from subsidence; this prevents from blocks in the bore holes and, as a result, from accidents.

Specific feature of bentonite clay as a natural material is that it’s environmentally friendly.

Interesting fact: for preparation a drilling fluid of specified viscosity only 50 kg of bentonite powder should be added per 1 m3 of water, but for the construction of a borehole 100 m depth, less than 15 m3 of the above drilling fluid is required.

Best structural and mechanical properties of clay suspension manufactured using bentonites of “10th Khutor”, “Ziryanskoye” and “Dash-Salakhlinskoye” deposits ensure effective cleaning from cuttings, increase stability of bore hole walls and enable the maximum rate of projects construction.

DRILLING FLUIDS BASED ON OUR BENTONITES

  • Have low sand content thus reducing wear on drilling equipment.
  • Possesses optimal viscoplastic and filtration characteristics.
  • Provides effective borehole cleanout.

Kurgan Bentonite Limited, Bentonite Khakasia Ltd. and AzRosPromInvest LLC manufacture the following bentonite products for drilling fluids:

PBA PBB PBMA PBMB PBMV BENTONITE POWDERS
Manufactured according to russian quality standards
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BENTONITE POWDER ОСМА GRADE
This grade has been developed under the world quality standard ISO 13500. OCMA grade bentonite is used for the preparation of drilling fluids which meet the requirements of international standards. OCMA bentonite specific surface is so large that quantity of micro-flakes in 1 kg of the product is enough to cover about 70 football fields.
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SPEICAL BENTONITES PBMA-EXTRA AND PBM-ETALON
PBMA-EXTRA and PBM-ETALON are used for the preparation of drilling fluids based on mineralized water (including sea water) and on salt saturated technical water and do not require any special water treatment before drilling fluid preparation
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