Introduction

When it comes to oilfield drilling, is a rather complex process that requires a wide range of equipment to ensure proper safety, extraction, and cleaning. These tools should only be handled by professionals who have received the necessary training and have hands-on experience with them in the field. The variety and types of oilfield tools used can be overwhelming; however, each piece plays an important role in reducing accidents, costs, and overall environmental impact.

What are Downhole Oilfield Tools?


Downhole Tools are pieces of oilfield equipment used during well drilling, completion, intervention, or well workover activities to optimize production levels and maintain a continuous flow from a reservoir.


There are many different types of downhole tools used to conduct well activities, such as slackline tools and equipment, wireline tools and equipment, drilling jars, fishing tools, pushing tools, drill pipes, tubular tools, centralizers, and so on.


We've outlined six of the most important tools you'll need for working in an oilfield below.


  1. Mud Cleaners


The mud separated from the cuttings is used to cool the drill bit. Before reaching the drill, the mud must be as clean as possible, as thick mud causes downtime by stopping the drill.


Mud cleaners are made of a mesh with small holes that prevent solids from entering the mud. This happens immediately after the mud passes through a hydro-cyclone, and the mesh allows particles smaller than barite to pass through. Because barite can be used in thicker drilling solutions, the mud cleaner aids in both current drilling and resource reuse for future projects.


  1. Stabbing Guides


Pipe misalignment during a drilling project can cause work to be halted due to threat-related downtime and pipe damage. Pins must be aligned with boxing threads using stabbing guides to ensure a damage-free, accurate connection. Stabbing guides can also help protect against extreme temperatures, impact, and corrosion in more demanding industries, such as oil drilling.


The reduced damage risk of tube threading, single joint elevators, or bail arms, which may cause objects to fall from the derrick, improves pipe-handling safety.


  1. Power Tong Drilling Rig


Power tongs break up or make up the casing, tubing, and drill pipes. Tongs used during breakout (or loosening operations) are logically referred to as breakout tongs, whereas tongs used during makeup (or tightening operations) are called makeup tongs. Rig tongs should always be used in pairs. 


A cable or chain connects the first set of tongs is connected to the derrick by a cable or chain, while mechanical catheads pull the second. How much force should be applied to the rig tong to achieve the proper connection torque? Making up connections is one of the most important applications of the rig tong. When planning how to do this effectively, consider applying the proper torque value to the connection with the rig tong.


  1. Shale Shakers


Shale shakers are the most important part of a rig's solids separation and control system because they separate the mud from the cuttings. The mud is then used to cool the drill bit after separating. If everything goes as planned, the drillers will reuse these fluids more than once.


Separating the mud before cutting disposal helps to reduce environmental impact and drilling costs. Appropriate drilling fluid management is directly related to the efficiency of the remaining downstream controlling equipment later on.


  1. Degassers


After the drilling fluids have been separated from the large solids, the trapped air and gas in the liquids must be removed. Degassers are used to remove methane, carbon dioxide, and hydrogen sulfide. This improves oilfield safety by lowering the risk of gas explosions.

Degassers are classified into two types. Vacuum degassers separate the gases from the mud by lowering the pressure inside the vessel. Atmospheric ("poor boy") degassers use a propeller to spread fluids over a larger surface area, making trapped gases easier to release.


  1. Sand Pumps


While oilfield drilling necessitates the use of multiple pumps, sand pumps concentrate on the need to move deposits away from the drilling site. Sand pumps are most commonly used in sand-filled oil or other fluid tanks. These pumps use a grooved disc to rotate around a central axis.


Particles that contact the grooved surface will be removed and transported offsite via a pipe system. Although they are referred to as "sand pumps," they are also used to move other materials. Aside from tank maintenance and cleaning, sand pumps eliminate the need for other machinery or manual labor to move particles away from the oilfield site.


Conclusion


It's critical to understand that these oilfield drilling tools are not mutually exclusive. Oilfield drilling necessitates the integration of these and other tools into a unified workflow. The proper piping is required to move solids away from the drilling site, as drilling can only continue once the clean fluids are returned to the drill.


The above-mentioned oilfield tools are essential for a successful oil drilling project, and understanding how they interact is even more critical.


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