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Geoengineering drilling

Geoengineering drilling
Main fields:

Development prospects:
Main functions of drilling fluid:
The harsh environment of underground drilling operations facilitates the research and development of drilling fluids, which require the ability to perform a number of key tasks during drilling: suspension, pressure control, rock stability, buoyancy, lubrication, and cooling.
Products available:
Sodium carboxymethyl cellulose (CMC), main technical indicators:
Product model |
Starch and its derivatives |
Viscometer 600r/min reading (mpa.s) |
|
Filtration loss (mL) |
|
moisture(%) |
||||
Distilled water |
4% saline |
Saturated brine |
||||||||
LV-CMC |
There is no |
≤90 |
-- |
-- |
≤10 |
≤10 |
||||
HV-CMC |
There is no |
≥30 |
≥30 |
≥30 |
≤10 |
≤10 |
||||
Conform to the GB/T 5005-2010 API SPEC. 13A |
Polyanionic cellulose (PAC), main technical indicators:
Product model |
Main technical indicators |
|||||
Degree of substitution(D.S) |
The purity(%) |
Amount of filtration(ml) |
Apparent viscosity(mpa·s) |
PH |
moisture(%) |
|
PAC-LV1 |
≥0.9 |
≥65 |
≤16.0 |
≤40 |
7.0-9.0 |
≤8.0 |
PAC-LV2 |
≥0.95 |
≥97 |
≤11.0 |
≤30 |
7.0-9.0 |
≤8.0 |
PAC-HV1 |
≥0.9 |
≥80 |
≤23.0 |
≥50 |
6.5-8.0 |
≤8.0 |
PAC-HV2 |
≥0.95 |
≥97 |
≤17.0 |
≥60 |
6.5-8.0 |
≤8.0 |
Note: product execution GB/T 5005-2010、API SPEC. 13A,If there are special requirements for indicators, they can be customized through negotiation。 |