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Oil and gas drilling
Oil drilling mud:
Oil drilling mud, commonly known as drilling mud, plays a very important role in oil drilling operations.
Drilling fluid is the general name of various circulating fluids that meet the needs of drilling with its various functions in the drilling process. Drilling fluid is the blood of drilling, also known as drilling rinse fluid. Drilling fluid mud, mainly suitable for loose, crack development, easy to collapse and block, water expansion and spalling hole wall unstable rock.
Main functions:
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.
Development scale:
| Product model |
Starch and its derivatives |
Viscometer 600r/min reading (mpa.s) |
Filtration loss (mL) |
moisture（%） |
||
|
Distilled water |
4%Salt water |
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 |
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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。 |
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