API 7-1 Drilling Tools Oil Well Slick Spiral String Petroleum Drill Collars

Name: API 7-1 Drilling Tools Oil Well Slick Spiral String Petroleum Drill Collars
Brand: Dongying Tianrui Petroleum Technology Co., Ltd.
SKU: 2073848432

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

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

Non-Magnetic Material: Available in P530, P550, and AISI 4154h for optimal stress and corrosion resistance.

Customizable Dimensions: Diameter ranges from 4 1/2 to 20 inches with customizable connection types.

Spiral Design: Reduces contact area to efficiently avoid bit sticking from differential pressure.

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

Hardbanding Option: Hardbanding is available upon customer request for enhanced durability.

Cold Rolled Finish: Unique process on ID and OD surfaces strengthens structure and mechanical performance.

OEM/ODM Services: Full customization, minor customization, and flexible customization from samples or designs.

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: ≤0.79h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with 3D software design and multiple customization options. Its business covers petroleum machinery, hydraulic components, mechanical equipment services, electrical equipment, instruments, chemical products, and camping houses. Quality and sustainability credentials include ISO9001:2015, ISO45001:2018, and ISO14001, while documented quality procedures, raw-material traceability, and two inspectors support basic quality control. The supplier has in-stock capacity, a one-month average lead time in both peak and off-season, and 12 qualified service-capability suppliers. However, it lacks an available SDK, valid manufacturing-capacity contracts with factories or related subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show experience. Corrective-action and complaint procedures exist but lack written records. Financial information is represented only by reporting years, so financial...

Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated scope includes petroleum machinery and accessories, hydraulic components, mechanical equipment services, electrical equipment, instruments, and related products, indicating a technically oriented industrial supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and earlier company information states that quality, environmental, and occupational health and safety management system certifications were obtained in 2014. These records provide explicit evidence of certification holdings.

R&D capabilityThe supplier is described as having professional technical R&D capability and can provide 3D software design services, which supports design and technical development capability. However, no SDK is available, indicating a limitation in SDK-based development or integration.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is supported in the design-services capability record, providing clear evidence of broad customization capability.

Product Q&A

Q:How do we guarantee quality?

Pre-production samples are always available before mass production; Always carry out final inspection before shipment.

Q:What services can we provide?

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

Q:What is the after-sales service?

24-hour online maintenance guidance service.

Q:What languages are supported?

English, Chinese and Other.

Q:What is the lead time?

Peak Season Lead Time: one month; Off Season Lead Time: one month.