Drilling Fluids Support:
The drilling activity requires drilling and completionand are used widely across the globe. Both the fluids use different types of the base that include water-based systems, synthetic based systems, oil based systems, and other systems.
The completion and drilling fluids are directly dependent on all the drilling activities all around the world.
Fundamental of Drilling Fluids :
The Drilling Fluids Solution are commonly known as mud system; it is a single component of well destruction process that remain in contact throughout the drilling operation system. Some of the essential functions of this fluid include:
• It cleans the hole by the transportation of drilling cuttings to the surface, where they can be removed automatically from the fluid before it recirculated to the down-hole.
• Balances and overcomes the formation pressure to minimize the risk of well-controlled issues.
• Minimize and prevent the damage to the producing formations.
• Cool, and lubricates.
• Allows all the information of producing formations to be retrieved by cutting analysis, and wire logs.
There are various types of drilling that include:
• Salt water system
• Fresh water system
• Oil based system
• Air, foam, gas fluid systems
Mostly, water based systems are used and are also less expensive than oil based fluids or synthetic based fluids (OBF’s and SBF’s). They are also known as invert emulsion systems, have a high cost per unit than other water-basedsystems. The pneumatic systems are implemented in areas where the pressures are relatively small, and the risk of circulation is high. Using the systems require special pressure management equipment to help prevent the development of hazardous conditions.
Finishing Point of Fluids :
On the other hand, a completion fluid is a solid free liquid that is used in completing the oil or gas well. To facilitatethe final operations such as setting up the screens, Packers, or shooting in the production zone, the fluid is placed in the well. Drilling and Completion Fluids are typically brined that is chlorides, bromide, and formates, but in personal can be any fluid of the proper density and characteristics.
Seldom is a conventional drilling fluid that is suitable for the completion of operations due to the solid content, and pH composition. The drill in fluids in some cases are appropriate for both the purposes.
Types of Drilling Fluids:
The water-based fluids usually consist of the clear brines. The only problem is that they are not very clear. They have some solids that include corrosion products, bacteria, and debris from the surface tanks. The density of the brine is mainly large enough so that the bottom hole pressure exceeds the reservoir pressure. A substantial amount of solid can be pushed in the form of formation, resulting in the loss of permeability. Oil based fluids such as the muds and crude oil can be used as a kind of completion fluids. It is also efficient to ensure that the oil does not contain paraffin.
