Drilling mud tasks

The main tasks include drilling mud:

 

        A) clean the bottom of the well and transfer logs to the surface and to separate them from the cutting surface

        B) Reduce friction between the drill string and the walls of the well and the drill string and drill bit cooling and lubrication

        C) Maintaining the stability of uncoated wellhead

        D) Prevent inflow of reservoir fluids, oil, gas, or water permeable rocks excavated

        E) Flowers lined with low permeability formed thin in order to close cavities and holes in the drill to

           penetrate the formation

        F) Protection and conservation of the walls of the well

         G) Prevent damage to the productive formation

         H) Drilling pipe corrosion prevention

          I) Business data about them that has been undergoing excavation

          J) Logs suspend drilling when drilling moratorium

          L) Subsurface pressure control

           M) Weight-bearing fields and drilling equipment

To achieve the above functions, it is necessary to minimize side effects are the following:

        A)damage subsurface formations, particularly those who are productive

B) reduce the rate of penetration

C) swab pressure and circulation problems

D) loss goals

E) wear well

 F) swelling of the walls of the well and create a tight space

G) drilling pipe sticking to the walls of wells

H) maintenance undesirable solids in drilling fluid

I) Environmental Impact

j) corrosion and wear drilling equipment

 

Translation: By Mhmdhamd sunمحمدحامد آفتاب