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The use of fluid is of great importance in drilling operation. The choice of the right kind of fluid and therefore of the appropriate additives required for its preparation, may be a determining factor for the final performance and results.
The following questions should be asked in order to performance chemical is required.
1. what kind of job must be undertaken (piling, waterwells, boring)
2. what kind of tools are being used (down-the-hole hammer, rock bit, Bucket, etc.)
3. what kind of formations are to be drilled (consolidated, unconsolidated, active)
MUD FLUSH DRILLING
Substantially the preparation of drilling mud is made adding to water polymeric substances that give the mud a viscosity value thus increasing the solid transportation capacity. It forms a panel on hole walls and gives other fundamental performances necessary to achieve hole drilling results.
Polymers are divided in two categories:
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NATURAL POLYMERS
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powder:
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Drillam PA Regular
Carbocel AG/EHV (CMC)
Lamgum 100
Biolam P
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SYNTHETIC POLYMERS
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grains:
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Lamvis S100
Lamseal G
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liquid:
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Drillam NT
Drillam MV
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