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Solutions of drilling fluid pollute environment

2012-12-19

Good performance drilling fluid is the general condition of drilling successful,  drilling fluid is easy to be polluted by H2S, gypsum, saline and CO2 in drilling process and go bad lose efficacy, serious influence the safety of drilling and increase drilling cost. So we should value protection environment, this is the method to solve this problems.

How to pollute the environment of drilling fluid

 

There is a large of organic compounds in drilling fluid permeate to the soil and difficult to degradation to form a layer of quarantine, to prevent soil and plants absorb water, besides, some organic compounds have poisonousness is bad for the living beings in water.

 

The engine oil, diesel in drilling fluid is poison to soil, plants and water.

 

The salt and interchangeability sodion in drilling fluid can make soil harden and plants are difficult to absorb water from soil, it is bad for plants grow and underground water.

 

The drilling cuttings in drilling fluid affect soil, plants, underground water and living beings in water.

 

How to decrease or stop drilling fluid pollute environment

 

We should as far as possible or without inorganic salt, especially sodium salt and difficult to degrade organic polymer compound.

 

The stratum can use the without solid phase drilling fluid, we should as far as possible use the without solid phase drilling fluid, it can be easy to clean the rock debris, it not discharges and replaces the mud, otherwise the drilling fluid can recycle.

 

Using the high quality drilling fluid make rock debris can sediment in the circulating tank and convenient to clean.

 

If the drilling teams can pay a desilter to decrease solid phase content and extend the service life of drilling fluid.

 

Using the before drilling fluid drill the surface soil layer.

 

Digging a hollow pit and is covered the plastic film, the rock debris is landfills.

 

Adding the curing agent in the completing drilling fluid and make it harden to prevent pollution environment.