What is the lead time for production?

The average lead time is within 15 workdays, regardless of peak or off-season periods.

What certifications does the product hold?

The drill collars comply with API Spec 7-1, ISO 10407, and NACE MR0175 standards, with testing via ultrasonic inspection and magnetic permeability checks.

What is the warranty period for core components?

The warranty for core components is 1 Year.

7-1 String Tools Slips Non-Magnetic Spiral Drill Collars for Oil Drilling Tools

Name: 7-1 String Tools Slips Non-Magnetic Spiral Drill Collars for Oil Drilling Tools
Brand: Goldenman Petroleum Equipment Co., Limited
SKU: 2144055452

Shandong, ChinaGoldenman Petroleum Equipment Co., Limited

US$1,000.00-3,999.00

2 pieces

Product profile

Customization

Available

Customized

Surface Treatment

Spray

Model NO.

P550 NM

Type

Non-magnetic Drill Collar

Standard

API

Usage

Oil Mining, Coal Mining, Well Drilling, Ore Mining

Material

High Manganese Steel

Weight (Kg)

500

Working Process

Machining

Size

2 3/8-10 3/4''

Color

Red

Appearance

Smooth

Warranty of Core Components

1 Year

Item

API Oil

Video Outgoing-Inspection

Provided

Applicable Industries

Energy & Mining

Core Components

Engine

Advantage

Prices

Application

Oil Field

Machinery Test Report

Provided

Transport Package

Plywood Case

Specification

Drill Collar

Trademark

Goldenman

Origin

China

Production Capacity

10000 Set/Sets Per Month

Key features

Zero Magnetic Permeability: Ensures precise well trajectory control and logging accuracy for MWD/LWD tools.

Corrosion Resistance: Nickel alloy composition resists H2S, CO, and chloride-induced corrosion.

API & ISO Certified: Compliant with API Spec 7-1, ISO 10407, and NACE MR0175 standards.

Customizable Design: Available in various lengths, diameters, and connection types to match client needs.

Precision Manufacturing: CNC-machined threads with tight tolerances ensure leak-proof assembly.

OEM/ODM Service: Supports customization from samples with dedicated R&D engineers.

Low MOQ: Minimum Order Quantity is just 1 Pc for flexible purchasing.

Company profile

Exhibition ExperienceImporters and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

Goldenman Petroleum Equipment Co., Limited

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.23h

About Our Factory & Business Background

AddressDongying, Shandong, China

Plant Area565 square meters

Number of Employees21

Registered Capital10,000,000 RMB

Terms of PaymentT/T, D/P, Western Union, PayPal, LC, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, EXW, CFR

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Pc

Supply Chain Partners40

Our Production Capability & Technical Expertise

Main ProductsDrill Pipe; Heavy-Weight Drill Pipe; Drill Collars; Annular Bop

QA/QC inspectors1 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers2 people

Traceability of Raw MaterialsNo

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2006-03-09

Main MarketsAfrica

Repeat Buyers Choice50%~80%

Annual Export Revenue32,215,943 RMB

Number of Foreign Trading Staff12

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Product Q&A

Q:What material is used for the non-magnetic drill collars?

They are manufactured from high-performance nickel-based alloys, such as Inconel 718, ensuring zero magnetic permeability and high strength.

Q:What are the available sizes and dimensions?

Outer diameters range from 76mm to 203mm. Inner diameters are customizable, typically OD minus 25mm to 50mm. Lengths are available from 3m to 12m.

Q:Is customization available for this product?

Yes, the product supports OEM and ODM services. Customization options include size, color, weight, and specific connection types based on client samples.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Pc, allowing for flexible purchasing even for small projects.

Q:What are the payment terms?

We accept T/T, D/P, Western Union, PayPal, LC, and Small-amount payment methods.