What quality tests are performed on the finished products?

All products undergo 100% ultrasonic NDT, hydrostatic tests, and thread inspections with standard gauges. PSL1/PSL2 grades include original material test reports.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Do you provide technical support or R&D services?

Yes, we have 3 R&D engineers and offer ODM services with flexible customization options based on samples or designs.

J55 K55 N80 Seamless Petroleum Well Casing with Thread & Coupling

Name: J55 K55 N80 Seamless Petroleum Well Casing with Thread & Coupling
Brand: Tianjin Zhongtian Heavy Industry Group Co., Ltd.
SKU: 2180232352

Tianjin, ChinaTianjin Zhongtian Heavy Industry Group Co., Ltd.

US$860.00

5 Tons

Product profile

Customization

Available

Color

Red

Usage

Oil Well Drilling, Supporting Well Wall

Model NO.

J55 K55 N80

Type

Oil Casing for Oil & Gas Well Drilling

Application

Petroleum Drilling Casing Pipe

Thread Type

Stc, Ltc, Btc

Processing Method

Hot Rolled Seamless

Connection

Thread & Coupling

Transport Package

Steel Strips Bundled with Waterproof Wrapping, Thr

Specification

J55/K55/N80 seamless oil casing, various O

Trademark

Zhongtian

Origin

China

HS Code

7304291000

Production Capacity

60000 Tons/Year

Key features

Multi-Grade Steel Options: J55, K55, and N80 grades available for shallow to medium-deep well applications.

Versatile Thread Compatibility: Compatible with STC, LTC, and BTC threads for diverse connection needs.

Customizable Dimensions: Supports custom cutting, plain ends, upset ends, and special thread processing.

Advanced Manufacturing Process: Hot-rolled seamless process with heat treatment, NDT inspection, and hydrostatic testing.

Comprehensive Quality Assurance: 100% ultrasonic NDT and hydrostatic tests; PSL1/PSL2 grades with material reports.

Corrosion and Wear Resistance: Features phosphating, anti-corrosion coating, and thread protectors for long-term storage.

Flexible Customization: Offers full customization, minor customization, and customization from samples or designs.

Global Export Standards: Meets international quality standards with ISO certifications and 4 years of export experience.

Company profile

Importers and ExportersExperienced TeamIn-stock CapacityHigh Repeat Buyers Choice

Tianjin Zhongtian Heavy Industry Group Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: TianAverage Response Time: ≤3.47h

About Our Factory & Business Background

AddressTianjin, China

Plant Area260 square meters

Number of Employees41

Registered Capital490,000,000 RMB

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

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

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity25 Tons

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsSteel Plate, Steel Coil, Steel Pipe, Profile, Wire, Copper

QA/QC inspectors2 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers3 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2022-11-02

Main MarketsSoutheast Asia/ Mideast, South Asia

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff8

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What steel grades are available for this casing?

We offer J55, K55, and N80 grades. J55 and K55 are cost-effective for shallow wells, while N80 provides superior strength for medium-deep and high-pressure formations.

Q:Can the casing be customized?

Yes, we provide flexible customization including custom cutting, special threads, upset processing, and options for plain or upset ends.

Q:What thread types are compatible with these pipes?

The pipes are compatible with STC, LTC, and BTC threads, ensuring versatility for various oil and gas drilling applications.

Q:What is the minimum order quantity?

The minimum order quantity is 25 tons.

Q:How long is the lead time for delivery?

The average lead time is one month, regardless of whether it is peak season or off-season.