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DD 605L


Drilling Fluid Thinner




DD 605L drilling fluids thinner is an environmentally safe, synthetic, organic liquid polymer which lowers mud viscosity and gel strengths of all conventional water-based drilling muds. DD 605L also aids in filtration control and can be used to overcome differential sticking of rods as well as treating mud rings.




DD 605L can be fed directly into the suction hose, agitated with a mixer tank, paddled into a holding tank, or dripped into the holding tank close to the suction intake.


NOTE: Due to the very strong thinning effect this product has on drilling muds, special attention should be taken not to overtreat when adding to the system.




  1. FOR DIFFERENTIAL STICKING: Mix a slug of DD 605 in a 1:3 ratio with water. Pump slug down rods and back up annulus to area of sticking. Apply torque and tension to rods. If rods do not come free immediately, allow at least 1 hour for product to work. If not free in 1 hour, repeat the above procedure using a slightly higher concentration of product.

  2. FOR GENERAL THINNING: Use 0.5 to 1 cup of DD 605L per 100 gallons (0.25-0.5 liters/1000 liters) of water. Due to water composition and drilling conditions, these dosages may vary.




No special precautions are necessary. Contact with skin and eyes should be avoided.


Shipping and Storage:


DD 605L is shipped in cases of 4 x 4 liter jugs. Containers are nonreturnable and should not be reused under any conditions. DD 605L can be stored either indoors or outdoors and is table to 392 degrees F (200 degrees C).