Can the connections be customized?

Yes, top and bottom connections can be customized based on your requirements.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Is the product suitable for hard formations?

It is designed for soft clays, shales, medium-hard shales, and limestones.

API 7-1 Fixed Diameter Hole Opener for Hole Enlargement

Name: API 7-1 Fixed Diameter Hole Opener for Hole Enlargement
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 1915290791

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

US$85.00-4,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Specifications - Fixed Diameter Hole Opener

Manufacturing Process

Forging

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Cast Steel

Top Connection

If Reg

Bottom Connection

Reg

ID

1 1/4- 3 1/2 Inch

Hole Open Diameter

8 1/4- 36 Inch

Transport Package

Wooden Box

Specification

see the detail specification

Trademark

Tianheoil

Origin

China

HS Code

8431431000

Production Capacity

50000

Key features

API 7-1 Certified: Manufactured according to API standards for reliable downhole performance.

Three-Jet Cleaning System: Replaceable nozzles continuously clean cutting structure to clear debris.

Cast Steel Construction: Forged cast steel material ensures durability in soft to medium-hard formations.

Wide Diameter Range: Available in hole open diameters from 8 1/4 inches to 36 inches.

1-Year Warranty: Comprehensive 1-year warranty coverage for all mechanical equipment.

Customizable Connections: Top and bottom connections can be customized to fit specific rig requirements.

Sticky Formation Specialist: Designed to prevent balling problems in sticky clays and shales.

ISO & HSE Certified: Adheres to strict ISO quality and HSE management systems.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceQuality AssurancePrivate Mold

Tianhe Oil Technology Co., Ltd.

Heilongjiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier operates in oil drilling, workover, cementing, completion, mining machinery, and related technical services. It has documented production equipment, quality-control procedures, product traceability, complaint-handling procedures, and customization options ranging from sample-based work to full customization. The supplier reports recent new-product development and ODM services, but is not identified as a professional technical supplier and does not provide 3D software design or SDK services. It holds ISO9001:2015, ISO45001:2018, ISO14001, and other certifications. Financial records are identified for 2020–2022, but their contents are not provided. Overseas warehouse, showroom, agent, or branch capabilities are absent. No specific customer cases are disclosed.

Supplier typeThe supplier is explicitly not classified as a professional technical supplier, while its stated business scope covers production, R&D, sales, maintenance, leasing, and technical services for oil drilling, workover, cementing, completion, and mining equipment. This indicates an equipment-focused industrial supplier with related technical-service activities rather than a dedicated professional technical-services provider.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, and other certifications. These certifications provide explicit evidence of quality, occupational health and safety, and environmental management certification.

After-Sales capabilityThe business scope includes maintenance and technical services, and the supplier has a clear, followed procedure for handling customer complaints. However, it has no overseas warehouse, showroom, overseas agent, or overseas branch, so international service coverage is limited based on the available evidence.

R&D capabilityThe supplier reports new products within the past year and provides ODM services, indicating active product-development capability. However, it does not provide 3D software design services, has no available SDK, and is explicitly not classified as a professional technical supplier, which limits the demonstrated scope of innovation support.

Production capacityThe supplier has a broad equipment base including tempering, carburizing and nitriding furnaces, lathes, milling and boring machines, CNC machining centers, and impact-testing equipment. Finished-product inspection instructions are uniformly followed, and the supplier reports 20 years of export experience with 41%–50% of sales from exports.

Customization capabilityBoth records explicitly list customization from samples, customization from designs, minor customization, and full customization. This demonstrates a broad stated customization range covering limited modifications through fully customized products.

Product Q&A

Q:How can I place an order?

You can contact us by email about your order details, or place an order online.

Q:What payment terms are acceptable?

After confirming the PI, we request payment. T/T or L/C payment terms are acceptable.

Q:What is the order procedure?

First, we discuss order and production details via email or TM. Then we issue a PI for confirmation. You will be requested to make a pre-paid payment or deposit before production starts. After the deposit is received, we process the order. Before production is finished, we contact you for shipment details and balance payment. After payment is settled, we prepare the shipment.

Q:What is the warranty period?

We provide a 1-year warranty for our products.

Q:What materials are used for the hole opener?

The product is made of cast steel with a spray-paint surface treatment.