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The main functions of drilling fluids can be summarized as follows:
- Remove cuttings from well
- Suspend and release cuttings
- Control formation pressures
- Seal permeable formations
- Maintain wellbore stability
- Minimize formation damage
- Cool, lubricate, and support the bit and drilling assembly
- Transmit hydraulic energy to tools and bit
- Ensure adequate formation evaluation
- Control corrosion
- Facilitate cementing and completion
- Minimize impact on environment
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What foam of advantage and disadvantage of flowing drilling fluid?
There is no advantage with foam in drilling fluid. When drilling fluid is foaming, it's not cooling or lubricating.
What is continuous phase of drilling fluid?
sometimes when we are drilling we need to use drilling fluid which are mixture of two phase like oil and gas or water and oil. In such case the fluid which is running outside is known as continuous phase of drilling fluid.
What is the function of drilling mud fluid?
THE DRILLING MUD FLUID IS HAVE MANY FUNCTION IN OIL WELL DRILLING LIKE (a) to lift the cutting, (b) to give cooling effect of bit (c) control the wellbore pressure (d) act as a lubricater (e) hole stabilizer etc. The main functions of drilling fluids include providing hydrostatic pressure to prevent formation fluids from entering into the well bore, keeping the drill bit cool and clean during drilling, carrying out drill cuttings, and suspending the drill cuttings while drilling is paused and when the drilling assembly is brought in and out of the hole. The drilling fluid used for a particular job is selected to avoid formation damage and to limit corrosion.
Is drilling mud a chemical?
Yes, it is. Drilling fluids, the circulating fluid for drilling operations, is a mixture of the fluid, the solid and chemical agents. It is usually known as the "mud" or the "blood of drilling" deriving from its distinctive significance.
What is the function of an drilling tools?
to write with
What type of fluids does drilling fluid belong to?
lubricant
What is the function swivel in drilling rig?
the swivel has three functions: -to conduct drilling mud -to cease the rotary movement -to sustain
Why use drilling mud for oil drilling?
It's used to prevent anything coming back up the hole. Drilling fluids, the circulating fluid for drilling operations, is a mixture of the fluid, the solid and chemical agents. It is usually known as the "mud" or the "blood of drilling" deriving from its distinctive significance. The main functions of drilling fluids include providing hydrostatic pressure to prevent formation fluids from entering into the well bore, keeping the drill bit cool and clean during drilling, carrying out drill cuttings, and suspending the drill cuttings while drilling is paused and when the drilling assembly is brought in and out of the hole. The drilling fluid used for a particular job is selected to avoid formation damage and to limit corrosion.
Various drilling mud have the same apparent viscosity at 1022sec-1 but the effective viscosity at other shear rates may vary widely Explain?
Drilling mud is a nonnewtonian fluid. It's a thixotropic fluid and it's apparent viscosity is a function of shear rate and time so at various shear rate and times you will have various viscosities. The molecular structure of these fluids breaks during tention.For further informations you can refer to rheology or fluid mechanics books.
What is the difference between the Plastic Viscosity and Viscosity of a drilling fluid?
Both are same
What happens to the weight of the drilling fluid when it gets a gas cut in it?
It goes up
Fluid flow in an annular space?
Fluid flow in an annular space occurs during a drilling operation of the gas and oil well. The correct prediction of the flow lies in the drilling mud in the annular space between the well.
