Are special processing services available?

Yes, we offer custom cutting, special threads, and upset processing with sufficient stock and fast delivery.

How are the products protected during storage and transport?

They are equipped with thread protectors and anti-corrosion coatings to ensure wear resistance and suitability for long-term storage and sea transportation.

What payment terms do you accept?

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

Zhongtian Seamless Oil Casing with Stc Thread & Coupling

Name: Zhongtian Seamless Oil Casing with Stc Thread & Coupling
Brand: Tianjin Zhongtian Heavy Industry Group Co., Ltd.
SKU: 2175767602

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

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

Multiple Steel Grades: Available in J55, K55, and N80 for varying well depths and pressure conditions.

Custom Thread Options: Supports STC, LTC, and BTC threads with customizable plain or upset ends.

Hot Rolled Seamless: Manufactured via mature hot-rolled seamless process for high structural integrity.

Comprehensive Testing: 100% ultrasonic NDT, hydrostatic tests, and standard gauge thread inspections.

Anti-Corrosion Protection: Features phosphating treatment and anti-corrosion coating for wear resistance.

Flexible Customization: Offers full customization including special threads, cutting, and upset processing.

Export Quality Standard: Meets PSL1/PSL2 grades with original material test reports for global export.

Versatile Applications: Suitable for oil, gas, coalbed methane, geothermal, and industrial water wells.

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: ≤2.51h

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 ideal for shallow wells, while N80 provides superior strength for medium-deep and high-pressure formations.

Q:Can the thread types be customized?

Yes, we support STC, LTC, and BTC threads. Custom plain ends and upset ends are also available to meet specific requirements.

Q:What is the manufacturing process used?

The pipes are made using a mature hot-rolled seamless process, including heating, piercing, rolling, heat treatment, and precision threading.

Q:Do you provide quality inspection reports?

Yes, all products pass 100% ultrasonic NDT and hydrostatic tests. Custom PSL1/PSL2 grades come with original material test reports.

Q:What is the minimum order quantity?

The minimum order quantity is 25 tons.