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API 7-1 Spiral Drill Collar for Superior Oil Field Efficiency
US$4,000.00
10-19 sets
US$3,900.00
20+ sets
Product profile
Customization
AvailableCustomized
CustomizedSurface Treatment
SprayModel NO.
API SPEC 7-1Type
Spiral Drill CollarUsage
Oil MiningMaterial
High Manganese SteelWeight (Kg)
200Keyword
Kelly Drill PipeUse
Well DrillingDimension(L*W*H)
2000*150*150mmEnd Protector
Plastic Pipe CapCertification
APIWarranty of Core Components
1 YearSurface
PaintingVideo Outgoing-Inspection
ProvidedApplicable Industries
Energy & MiningMarketing Type
Ordinary ProductCore Components
Bearing, Gear, PumpFeatures
Safe and StableApplication
Electronic IgnitionTransport Package
Plywood CaseSpecification
Drill CollarTrademark
GOLDENMANOrigin
Shandong, ChinaProduction Capacity
10000 Pieces/YearKey features
API 7-1 Compliance: Manufactured strictly according to API Spec7-1 and SY5411/SY5144 standards.
Anti-Sticking Design: Spiral structure reduces contact area to avoid bit sticking from differential pressure.
High Strength Material: Made from 4145H/4145H mod steel or Non-magnetic steel for optimal stress resistance.
Wide OD Range: Available in OD sizes from 79.4mm to 279.4mm with various connection types.
Customizable Options: Customization available for weight, dimensions, and surface treatment based on samples.
Hardbanding Option: Optional hardbanding can be applied upon customer request for enhanced durability.
Quality Inspection: Video outgoing inspection provided and random visual inspection for finished products.
Core Component Warranty: 1 Year warranty provided for core components including bearing, gear, and pump.
Company profile
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: ≤3.40h
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 standards does the drill collar comply with?
A:
The drill collars are manufactured strictly according to API Spec7-1 and Standard SY5411 or SY5144.
Q:What materials are used for the drill collars?
A:
Materials include 4145H/4145H mod steel or Non-magnetic steel, ensuring optimal resistance to stress, corrosion, and cracking.
Q:What is the available OD range for the drill collars?
A:
The Outer Diameter (OD) ranges from 79.4mm to 279.4mm, with various connection types like NC23-31 to NC70-100.
Q:Can the product be customized?
A:
Yes, customization is available from samples, including weight, dimensions, and surface treatment.
Q:What is the warranty period for core components?
A:
We provide a 1 Year warranty for core components such as bearings, gears, and pumps.
Send Inquiry
*To:
Goldenman Petroleum Equipment Co., Limited
Goldenman Petroleum Equipment Co., Limited*Content:
Supplier replies will be sent to your registered email
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