Is customization available?

Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization.

What are the main product standards?

Drill collars are manufactured strictly from API Spec7-1 and SY5411 or SY5144 standards.

API Petroleum Oil Extraction Standard Slick Spiral Bottom Drill Collar

Name: API Petroleum Oil Extraction Standard Slick Spiral Bottom Drill Collar
Brand: Dongying Tianrui Petroleum Technology Co., Ltd.
SKU: 2073648592

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

Customized

Surface Treatment

Polish

Model NO.

Drill Collar

Type

Non-magnetic Drill Collar

Standard

AISI

Usage

Oil Mining, Coal Mining, Well Drilling, Ore Mining

Material

Alloy

Color

Red/Bule/Customize

Diameter

4 1/2"-20"

Connection

API, Reg ,API, If ,Nc

Magnetic Material

P530 ,P550

Non Magnetic Material

AISI 4154h

Transport Package

Standard Export Package

Specification

customizable

Trademark

Origin

Shandong Dongying

HS Code

8431431000

Production Capacity

5000 PCS/Year

Key features

Customizable Dimensions: Diameter ranges from 4.5 to 20 inches with custom options available.

Customizable Colors: Available in Red, Blue, or fully customized color schemes.

Flexible Connection Types: Supports API, Reg, IF, and NC connection standards.

Non-Magnetic Material Options: Constructed with AISI 4154H for optimal non-magnetic performance.

API & SY Standards Compliance: Manufactured strictly according to API Spec7-1 and SY5411/SY5144.

Optional Hardbanding: Hardbanding service available upon customer request.

Spiral Design for Anti-Sticking: Reduces contact area to prevent bit sticking from differential pressure.

Elevator and Slip Grooves: Grooves on box thread face enable use as lifting sub and safety slip.

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: ≤1.26h

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.

Product Q&A

Q:How do you guarantee quality?

Pre-production samples are always available before mass production; final inspection is always carried out before shipment.

Q:What services can you provide?

Accepted delivery conditions include FOB, CIF, FAS, DDP, and express. Accepted payment currencies are US dollar, Australian dollar, Euro, and RMB. Payment types include T/T, L/C, MoneyGram, credit card, PayPal, Western Union remittance, and cash.

Q:What is the after-sales service?

We provide 24-hour online maintenance guidance service.

Q:What languages do you support?

We support English, Chinese, and other languages.

Q:What is the lead time for production?

The average lead time is one month for both peak season and off-season.