Categories: Drilling Fluids & Mud Oil Field chemicals-81
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Product Short Description: Rxsol ORG -15 (Asphasol) shale inhibitor is a partially water soluble, water dispersible blend, containing sulfonated organic resins for water-base muds.
Product Description:

RXSOL ORG -15 (Asphasol)  shale inhibitor is a partially water soluble, water dispersible blend, containing sulfonated organic resins for water-base muds. It aids in stabilizing shale sections, controlling solids dispersion and improving wall cake characteristics. Being partially soluble, RXSOL ORG -15 (Asphasol) has the capability of plugging micro-fractured shales and sealing shales so that the hydrostatic overbalance from the fluid column is not transmitted to the pore pressure network of shale formations adjacent to the wellbore.

Product Application:

RXSOL ORG -15 (Asphasol)  can be used in most water base muds. It is a free-flowing powder and can be added directly to the mud system through the mixing hopper. Unlike other shale control additives, it is not necessary to premix Rxsol ORG -15 (Asphasol)  with oil and it contains no surfactants. Normal concentrations of Rxsol ORG -15 (Asphasol)  range from 4 to 10 lb/bbl (11.4 to 28.5 kg/m3) for most applications.

In water‐base drilling fluid systems, Rxsol ORG -15 (Asphasol)  inhibitor exhibits the following characteristics:

  •     Stabilizes shales.
  •     Lowers torque and drag.
  •     Reduces high‐temperature fluid loss.
  •     Produces thin‐walled filtercakes.
  •     Improves bore hole stability.
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Advantages:

  •     Increases wellbore stability.
  •     Plugs micro-fractures and seals shales.
  •     Inhibits swelling and water wetting of shales.
  •     Reduces High-Temperature, High-Pressure (HTHP) fluid loss.
  •     Reduces torque and drag.
  •     Improves filter cake quality.
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