High Strength Nc23/Nc26 Drill Collar S135 API Spec 7-1 for Oil Drilling Drilling Machine Parts

Name: High Strength Nc23/Nc26 Drill Collar S135 API Spec 7-1 for Oil Drilling Drilling Machine Parts
Brand: Shijiazhuang Weilida Prospecting Machinery Co., Ltd.
SKU: 2227336135

Hebei, ChinaShijiazhuang Weilida Prospecting Machinery Co., Ltd.

US$300.00-2,000.00

20 Pieces

Product profile

Customization

Available

Customized

Surface Treatment

Nitriding

Model NO.

Customized

Type

Drill Collar

Usage

Oil Mining, Well Drilling

Material

Stainless Steel

Item

Drill Collar

Steel Grade

G105 S135

Diameter

Customized

Length

Customized

Thread

API Standard Thread

Manufacturering Techquine

Friction Welding

Application

Geothernal or Water Well Drilling

Delivery Time

7-15 Days

Certification

API ISO9001:2008

Transport Package

Bundle

Specification

Customized

Trademark

WEILIDA

Origin

China

HS Code

8431431000

Production Capacity

6000pieces/Month

Key features

Customizable Dimensions: Diameter and length are fully customized to meet specific project requirements.

Anti-Sticking Performance: Features thread phosphate treatment and friction welding for excellent anti-sticking properties.

Spiral Design Option: Spiral drill collars available with three right-hand grooves to reduce contact area and prevent stuck pipes.

High Strength Material: Made of 4145H steel with overall heat treatment, ensuring durability in oil mining and well drilling.

Professional Manufacturer: Direct factory with 35 years of experience, integrating design, manufacturing, and testing.

ISO9001 Certified Quality: Quality management system certified to ISO9001 with comprehensive mechanical testing capabilities.

Sample Orders Accepted: We accept sample orders for quality verification before bulk production.

Company profile

Shijiazhuang Weilida Prospecting Machinery Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2022-06-20Nearest Port: TianjinAverage Response Time: ≤7.04hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryShijiazhuang Weilida Prospecting Machinery Co., Ltd. is identified as a Chinese manufacturer/factory and limited company producing drill pipes, drilling tools, drill rigs, and related components. Evidence indicates an established operation founded in 1988, with an approximately 13,000-square-meter factory, 80 employees, three production lines, CNC and friction-welding equipment, and testing capability. The supplier reports ISO 9001 and ISO 14001 certifications, export capability, broad international markets, and stated lead times of within 15 workdays off-season and one month during peak season. It can produce multiple national and international standard specifications and design special products to customer requirements. However, the provided information does not substantiate after-sales service processes, customer case references, or financial credibility. Innovation capability is supported only by limited evidence of R&D personnel and product-design activity.

Supplier typeThe supplier is described as both a trade company in one record and a Manufacturer/Factory in another. Its product, factory, address, and business descriptions consistently support that it operates as a manufacturing supplier specializing in drilling machinery and tools, although the records contain a classification inconsistency.

CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications. Its company description also states that a quality management system was established in accordance with ISO 9001 and is operated through formal personnel training.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and states that it can design and manufacture special drill-pipe and drilling-tool specifications. It also describes efforts to enhance product technical content, providing positive but limited evidence of innovation capability.

Production capacityProduction capability is supported by three production lines, a 13,000-square-meter modern factory, 80 employees, CNC lathes, friction-welding and pipe-end processing equipment, complete production facilities, and a product range covering drill pipes, drilling tools, rigs, and related components. The supplier also reports quality-control personnel and broad export-market coverage.

Customization capabilityThe supplier explicitly states that it can manufacture various national, Russian, American, and European standard products and can design and produce special specifications according to customer needs. It also indicates that mechanical-performance testing of drilling tools can be conducted as required.