API 7-1 Fixed Diameter Hole Opener for Hole Enlargement Drilling Tools

• Customization: Available
• After-sales Service: Lifetime Support
• Warranty: 12months
• Model NO.: API 7-1
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Transport Package: Wooden
• Specification: 55-87
• Trademark: KAIDI
• Origin: China
• HS Code: 8401100000
• Production Capacity: 50000 Pieces/Year

Product Description

Product Name: API 7-1 Fixed Diameter Hole Opener for Hole Enlargement Drilling Tools
Application: Hole enlargement in oil and gas drilling operations

Key Features:
API 7-1 Certified - Manufactured in strict compliance with API 7-1 standards, ensuring high quality and reliability.

Efficient Reaming - High-strength alloy cutters and optimized design provide stable cutting performance and improve drilling efficiency.

Excellent Wear Resistance - Tungsten carbide or diamond-coated cutters significantly extend service life.

High Stability - Balanced structure minimizes vibration and ensures wellbore quality.

Wide Compatibility - Suitable for various drilling fluid systems and compatible with standard drill string assemblies.

Usage Instructions:
The hole opener is connected to the drill string to enlarge the diameter of the existing wellbore.

Inspect cutter wear before use to ensure no damage and prevent downhole failures.

Adjust RPM and weight on bit (WOB) based on formation conditions for optimal reaming performance.

Perform regular maintenance, including cleaning cutters and fluid channels to prevent clogging.

Customization Service: For customized products, please contact us via email in advance to discuss detailed dimensions and technical requirements.

Compliance Standards: API 7-1
 

Product Parameters

Model	Product Code	Hole Open Diameter	Qty Of Cutters	Min.Pilot Hole	Fishing Neck Diameter	ID.	Top Connection (Pin)	Bottom Connection (Box)	Overall Length
KKQ209	KL09000	8 1/4"	3	5 1/2"	6 1/2"	1 1/4"	NC46	3 1/2 REG	55"
KKQ216	KL10000	8 1/2"	3	5 1/2"	6 1/2"	1 1/4"	NC46	3 1/2 REG	55"
KKQ311	KL01000	12 1/4"	3	8 1/2"	8"	1 1/2"	6 5/8 REG	6 5/8 REG	55"
KKQ406	KL02000	16"	3	10"	9 1/2"	2 1/4"	7 5/8 REG	6 5/8 REG	59"
KKQ444	KL03000	17 1/2"	3	10 1/2"	9 1/2"	2 1/4"	7 5/8 REG	6 5/8 REG	59"
KKQ559	KL04000	22"	3	12 3/4"	9 1/2"	2 1/4"	7 5/8 REG	6 5/8 REG	69"
KKQ584	KL05000	23"	3	12 3/4"	10"	3"	7 5/8 REG	6 5/8 REG	69"
KKQ610	KL06000	24"	3	14"	10"	3"	7 5/8 REG	7 5/8 REG	69"
KKQ660	KL07000	26"	3	17 1/2"	10"	3"	7 5/8 REG	7 5/8 REG	69"
KKQ813	KL11000	32"	3	17 1/2"	10"	3"	7 5/8 REG	7 5/8 REG	79"
KKQ4-914	KL08000	36"	4	26"	10"	3 1/2"	7 5/8 REG	7 5/8 REG	87"

Product Name: API 7-1 Fixed Diameter Hole Opener for Hole Enlargement Drilling Tools
Application: Hole enlargement in oil and gas drilling operations

Key Features:
API 7-1 Certified - Manufactured in strict compliance with API 7-1 standards, ensuring high quality and reliability.

Efficient Reaming - High-strength alloy cutters and optimized design provide stable cutting performance and improve drilling efficiency.

Excellent Wear Resistance - Tungsten carbide or diamond-coated cutters significantly extend service life.

High Stability - Balanced structure minimizes vibration and ensures wellbore quality.

Wide Compatibility - Suitable for various drilling fluid systems and compatible with standard drill string assemblies.

Usage Instructions:
The hole opener is connected to the drill string to enlarge the diameter of the existing wellbore.

Inspect cutter wear before use to ensure no damage and prevent downhole failures.

Adjust RPM and weight on bit (WOB) based on formation conditions for optimal reaming performance.

Perform regular maintenance, including cleaning cutters and fluid channels to prevent clogging.

Customization Service: For customized products, please contact us via email in advance to discuss detailed dimensions and technical requirements.

Compliance Standards: API 7-1


FAQ for Oilfield Machinery Products

Q1:Do your products comply with API/ISO international standards?
Answer: Yes, our products fully comply with API Spec 7-1, API 6A, and are certified with ISO 9001.
Q2:How do we ensure quality?
Answer:Production samples are always made before mass production.
A final inspection is always conducted before shipment.
Q3:: Are you the manufacturer? What petroleum machinery products do you mainly offer?
Answer: Yes, we are a professional manufacturer integrating R&D, production and export with our own production base. Our main products include:
Fishing Tools (e.g., overshots, fishing spears, milling shoes
Drilling Tools (e.g., drill pipes, stabilizers, reamers)
Valves (e.g., gate valves, check valves, safety valves)
Other downhole equipment, etc.
 
Q4:What is the warranty period? How to claim it?
Answer: 12-month warranty. Provide the serial number and fault description for a response within 48 hours.
Q5:Do you provide technical training or on-site support?
Answer: Free remote training is available. On-site support costs are negotiable.
Q6: What is the lead time for delivery?
Answer: 30 days for standard products; 60-90 days for customized orders (subject to complexity).
Q7: What shipping methods do you offer? How to track orders?
Answer: Sea express shipping available. Tracking number and link provided after shipment.
Q8: How do you package the products to prevent rust during sea shipping?**  
Answer:Packaging includes anti-rust oil, vacuum sealing, wooden crates, and desiccants.*  
Q9:Do you accept customized orders?
Answer: OEM is accepted. Submit detailed drawings or specifications for a quote.
Q10:How to get your latest product catalog?For any further detailed inquiries, please feel free to contact us .