CONTONE works mechanically by blocking micro fissures in water sensitive shale with minute insoluble particles. It has been noted in many shale problem areas of the world that some shale’s are simply water sensitive. Whether it is water with a high chloride, calcium, or potassium content, the shale will still slough. With the addition of 2-8 ppb of CONTONE better results are achieved in drilling troublesome shale. CONTONE can be used with any type of water or oil base fluid.

CONTONE has superior lubricating qualities that will work unfailingly for torque and drag problems. When extreme torque and drag are encountered, it has been noted that 6 ppb is a good starting point. For lubricity the engineer on location should calculate what torque and drag numbers are suitable to his situation and adjust the concentration of CONTONE accordingly.

CONTONE, being a dry powder, should be added through the mud hopper. CONTONE mixes well with any drilling fluid mud system. Optimum blend time of five minutes per sack is recommended.

With water base drilling fluids the addition of 2 to 8 ppb of CONTONE has yielded exceptional results and achieved the same superior quality drilling troublesome shale’s as seen in oil base drilling fluids. CONTONE, a simple compound that is chemically inert, will impart shale control and lubricating qualities superior to anything on the world market today. It will not harm producing zones or impair interpretations in any way and will not sheen in offshore applications.

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