What after-sales services are provided?

We offer 24-hour online maintenance guidance service and repair services.

What payment methods are accepted?

Accepted payment types include T/T, L/C, MoneyGram, credit card, PayPal, Western Union remittance, and cash.

What are the accepted delivery conditions?

Accepted delivery conditions include FOB, CIF, FAS, DDP, and express shipping.

API Well 7-1 String Petroleum Non-Magnetic Drilling Collar

Name: API Well 7-1 String Petroleum Non-Magnetic Drilling Collar
Brand: Dongying Tianrui Petroleum Technology Co., Ltd.
SKU: 2094051192

Shandong, ChinaDongying Tianrui Petroleum Technology Co., Ltd.

US$1,100.00

1-99 Pieces

US$800.00

100+ Pieces

Sample price:US$1100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Repair

Warranty

Two Years

Model NO.

Drill Collar

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Thread Connection

API,If,Reg,Nc,Fh,If

Transport Package

Standard Export Package

Specification

customizable

Trademark

Origin

Shandong Dongying

HS Code

8431431000

Production Capacity

5000 PCS/Year

Key features

API Spec 7-1 Compliance: Manufactured strictly according to API Spec 7-1 and SY5411/SY5144 standards.

Non-Magnetic Design: Cold rolled finish on ID/OD ensures optimal resistance to stress, corrosion, and cracking.

Custom Thread Options: Thread connections customizable to API, IF, REG, NC, and FH standards.

Spiral Drill Collar: Reduces contact area to avoid bit sticking caused by differential pressure.

Elevator & Slip Grooves: Grooves on box thread face allow use as lifting sub and safety slip during trips.

Hardbanding Option: Optional hardbanding available upon customer request for enhanced durability.

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

100% Quality Inspection: Pre-production samples and final visual inspections before shipment guaranteed.

Company profile

Cooperated with Fortune 500High Repeat Buyers ChoiceImporters and Exporters

Dongying Tianrui Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.02h

AI-Powered supplier vetting

SummaryThe supplier is a professional technical provider with strong R&D and 3D design capabilities, offering extensive customization services. They lack overseas presence and SDK availability, but maintain ISO certifications. Their financial credibility over the last three years is documented, although lacking specific figures. Manufacturing capacity is limited by the absence of valid contracts with subcontractors. They have procedures for quality control but lack written records for corrective actions.

Supplier typeThe supplier is a professional technical provider involved in petroleum machinery, hydraulic components, and camping house manufacturing. They offer 3D design services.

CertificationsThe supplier holds certifications in quality management (ISO9001:2015), environmental management (ISO14001), and occupational health and safety (ISO45001:2018).

Production capacityThe supplier lacks valid contracts with subcontractors, limiting manufacturing capacity.

Customization capabilityThe supplier offers extensive customization options, including full customization from samples and designs.