What is the lead time?

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

Is customization available?

Yes, we offer OEM and ODM services including customization from samples, designs, and flexible minor customization.

7-1 Spiral Drill Collar 4145h

Name: 7-1 Spiral Drill Collar 4145h
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2021069555

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$3,000.00

10-99 Joint

US$2,800.00

100+ Joint

Product profile

Customization

Available

After-sales Service

Online

Warranty

Online Support

Model NO.

6 5/8

Certification

ISO 9001:2000, ISO 9001:2008, API 7-1

Power Source

Pneumatic

Operation Pressure

Atmospheric Pressure

Applicable Medium

Mud

Structure

Vertical

Material

Alloy

Product Name

Drill Collar

Standard

API 7-1

Steel Grade

4145h

Thread Type

Nc, Fh, Reg, If

Diameter

63~168mm

Transport Package

Bundle

Specification

63~168mm

Trademark

lake petro

Origin

China

HS Code

7307990000

Production Capacity

10000PCS/Month

Key features

API 7-1 Certification: Complies with API 7-1 standard for drill collars and heavy weight drill pipe.

ISO 9001 Quality Control: Production strictly follows ISO 9001:2008 standards with third-party inspection support.

Customizable Specifications: Offers customization for thread type, diameter, and steel grade based on customer requirements.

Professional OEM/ODM Service: Supports full customization from samples or designs with experienced R&D engineers.

Global Export Experience: Exported to USA, South America, Africa, Middle East, and Russia with 14 years of experience.

Flexible Payment Terms: Accepts T/T or L/C at sight for convenient and secure transactions.

Reliable Shipping Options: Offers courier, air, or sea shipping for samples and bulk orders respectively.

Strict Quality Inspection: Experienced QC team performs strict inspection and testing before every shipment.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.07h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.

Product Q&A

Q:How to place an order?

Send your inquiry with detailed item description or model number. We will provide a quotation and order form. If no specific packing is requested, we use standard exported packing.

Q:What certifications does the product have?

The product is certified under ISO 9001:2000, ISO 9001:2008, and API 7-1 standards.

Q:Can I expect high quality products?

Yes, production follows ISO 9001:2008 and API standards. We welcome third-party inspections such as BV, SGS, and TUV.

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer) or L/C at sight.

Q:What are the shipping options?

For samples, we suggest courier express (DHL/UPS/TNT/FEDEX) or air. For bulk orders, we suggest air or sea shipping.