Product Specification
|
OD |
Connection |
OD (mm) |
Joint OD (mm) |
ID (mm) |
Length(m) |
Tensile (KN) |
Torsion (KN.M) |
|
3-1/2" |
NC38 |
88.9 |
121 |
60 |
9.65土0.1 |
2200 |
45 |
|
4" |
NC40 |
101.6 |
127 |
65 |
9.65土0.1 |
2600 |
63 |
|
5" |
NC50 |
127.0 |
168.3 |
76.2 |
9.65土0.1 |
4200 |
100 |
|
5-1/2" |
DSHTSS |
139.7 |
178 |
76.2 |
9.65土0.1 |
3980 |
124 |
|
5-7/8" |
DSHTS-7/8 |
149.2 |
178 |
76.2 |
9.65土0.1 |
4270 |
138 |
Advantages and Features
As a drilling machine underground, rock debris bed cleaner can continuously force rock debris from the lower edge of the wellbore into the high-speed flow zone of the drilling fluid without damaging the wellbore wall.
The main physical effects include the following aspects:
Excavation effect: The rock debris bed deposited on the lower edge is mechanically excavated and carried away from the bottom
Recirculation: Once the rock debris is lifted, it will enter the central part of the wellbore, where the drilling fluid flow rate is the fastest
Transport effect: No matter how the rock debris is transported during the recycling stage, it will sink again due to gravity
Accumulate to the lower edge. The transport effect enables rock debris to continue to move up
• Reduce total circulating time and wiper trips
• Reduce or eliminate reaming and sweeps
• Reduce torque and drag and increase ROP
• Mitigate drilling risks and smooth casing runs
• Extend service life of the drill string
It has multifunctional adaptability and is suitable for various well types and drilling conditions. It can be used in conjunction with RSS, screw drilling tools, etc. to enhance operational flexibility. Easy to operate, modular design for quick installation and maintenance, and compatible with conventional drilling equipment, reducing operational complexity.
Our company has many years of experience in the research and manufacturing of intelligent petroleum tools, and our technical team has a deep understanding of drilling challenges to ensure that our products meet actual needs. Continuously invest in research and development, optimize tool performance through a combination of CFD simulation and field testing, and maintain technological forefront. Through international certifications such as API and ISO, full process quality monitoring ensures product reliability and safety.
HELI can provide personalized design based on customer well conditions, such as high temperature and pressure, large displacement wells, etc., to maximize tool efficiency... Read More
FAQ
Q: Have you established a global service network?
A: Yes, we provide 7/24 technical support and fast spare parts supply, covering major oil& gas production areas to ensure efficient operation of customer projects
Q: In what aspects is the wear resistance and durability of your rock debris bed cleaner reflected?
A: Use high-strength alloys or composite materials to adapt to high wear environments, extend tool life, and reduce replacement frequency.
Q: How to determine if the tool has achieved the expected cleaning effect?
A: The cleaning effect can be evaluated by monitoring drilling parameters (such as torque, friction changes), rock debris return, and downhole imaging data (such as logging while drilling LWD). If a decrease in annular pressure, an increase in drilling speed, or an increase in rock debris return is found, it usually indicates that the tool is running well.
Q: Is there on-site technical support or operational training service available?
A: Remote guidance: Real time monitoring of data and optimization of tool parameters (such as displacement and speed). On site training: covering installation specifications, emergency response to faults, and performance evaluation methods. Customized manual: Provide simplified operating procedures (including graphics/videos) for customer drilling teams.
Q: How to ensure the sealing and structural strength of tools in deep-sea high-pressure environments?
A: High pressure sealing design: using a metal elastomer composite sealing system, with a pressure resistance of over 15000 psi, to prevent drilling fluid from invading core components. Reinforced shell material: using high-grade stainless steel or nickel based alloys (such as Inconel 718), and optimizing the compressive structure through finite element analysis (FEA) to adapt to ultra deep water environments of over 3000 meters. Pressure balancing technology: Some models have built-in pressure compensation valves to avoid internal component failure caused by external water pressure changes.
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