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API 7-1 121mm Mechanical Drilling Jar for Petroleum Equipment

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Product Introduction

The Drill Shocking and Unjamming Tool is a completely mechanical device that combines upper and lower vibrations to effectively shock and unjam during drilling. It is designed to address drilling mishaps like blockages and jams. Normally, it is a component of the drilling column, but it can be activated whenever necessary, thereby enhancing work efficiency.



Our Advantage

The hydraulic oscillator offers several advantages:


1. **Minimizes friction resistance**: It effectively reduces the resistance caused by friction between the drilling tools and the well wall, resulting in smoother drilling. This is particularly beneficial in directional and horizontal wells.


2. **Enhances drilling efficiency**: By improving the transfer of drilling pressure, it boosts drilling efficiency, leading to faster drilling speeds and shorter drilling cycles.


3. **Improves borehole quality**: It reduces issues like buttressing, resulting in a more regular borehole trajectory and improved borehole quality.


4. **Provides better tool face control**: During directional drilling, it allows for better control of the tool face, ensuring accurate drilling direction.


5. **Reduces the risk of tool jamming**: It decreases the likelihood of tool jamming, ensuring safe drilling operations.


6. **Versatile application**: It can be used in various complex formations and different types of drilling projects.


7. **Protects drilling tools**: It minimizes damage to drilling tools caused by friction and torque, thereby extending their service life.


Product Uses


- **Underbalanced drilling**: Underbalanced drilling refers to the drilling process where the pressure in the wellbore is lower than the formation pressure. This technique is used to prevent formation damage and improve drilling efficiency. The hydraulic oscillator can be used in underbalanced drilling to reduce the friction between the drilling tools and the well wall, ensuring smooth drilling operations and minimizing the risk of formation damage.


- **Extended reach drilling**: Extended reach drilling involves drilling wells with a long horizontal or inclined section. This technique allows for accessing reservoirs that are located far away from the drilling site. However, the long horizontal or inclined section can cause high friction between the drilling tools and the well wall, leading to drilling difficulties and decreased efficiency. The hydraulic oscillator can mitigate this friction, enabling smoother drilling operations and improving overall drilling performance.


In conclusion, the hydraulic oscillator is a valuable tool in various drilling scenarios. It effectively reduces friction, improves drilling efficiency, enhances tool control, and minimizes the risk of damage to drilling tools. Its applications range from directional and horizontal well drilling to large displacement well drilling, underbalanced drilling, and extended reach drilling.



FAQ

1. What is a Mechanical Drilling Jar and how does it work?

A Mechanical Drilling Jar is a downhole tool used in drilling operations to provide impact force and aid in releasing stuck drill strings. It works by utilizing mechanical principles to store and release energy, allowing it to deliver powerful jarring impacts to free the stuck drill string.


2. Can you explain the principle behind the functioning of a Mechanical Drilling Jar?

The principle behind a Mechanical Drilling Jar lies in its ability to store potential energy through compression and release it as kinetic energy upon activation. When the drill string becomes stuck, the jar is triggered, causing the stored energy to be rapidly released, creating a jarring impact that helps dislodge the stuck portion.


3. How does the quality of your Mechanical Drilling Jar ensure reliable performance?

Our Mechanical Drilling Jar undergoes rigorous quality control measures to ensure its reliability and performance. We adhere to strict manufacturing standards, conduct thorough testing, and use high-quality materials to ensure the durability, precision, and efficiency of our product. This commitment to quality ensures that our Mechanical Drilling Jar can withstand the demanding conditions of drilling operations.


4. Do you have sufficient inventory of Mechanical Drilling Jars to meet customer demands?

Yes, we maintain a substantial inventory of Mechanical Drilling Jars to meet the demands of our customers. We understand the importance of timely delivery and strive to ensure that our customers have access to the required quantity of Mechanical Drilling Jars whenever they need them. Our efficient inventory management system allows us to fulfill orders promptly and efficiently.


5. How can your Mechanical Drilling Jar improve drilling efficiency and reduce downtime?

Our Mechanical Drilling Jar is designed to enhance drilling efficiency and minimize downtime. By providing powerful jarring impacts, it helps release stuck drill strings quickly, reducing the time and effort required to free them manually. This not only saves valuable time but also minimizes the risk of equipment damage and costly delays. The reliable performance of our Mechanical Drilling Jar contributes to increased productivity and improved overall drilling operations.


Type od/mm id/mm Maximum upward force/KN Maximum downward force/KN Maximum Tensile Force/KN Maximum working torque/KN·m Connector Thread
QY121 121 50 350 180 1100 14 NC38
QY159 159 57 700 350 1900 32 NC46
QY165 165 57 700 350 2000 34 NC50
QY178 178 71.4 800 400 2300 40 NC50
QY203 203 71.4 1000 500 3000 45 6 5/8REG


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