Short Drill Pipe Conversion Joint Oilfield Connection - China

Product Information: Oil Casing and Tubing Short Joints Introduction

Oil casing and tubing short joints are critical components in the oil and gas industry, used to connect sections of casing and tubing in drilling operations.

These short joints facilitate the extension of pipe strings, allowing for the efficient and safe extraction of hydrocarbons from wells.

This document provides a comprehensive overview of oil casing and tubing short joints, including their specifications, materials, applications, and advantages.

1 - Definition and Purpose

Short joints, often referred to as “spacers” or “short sections, ” are specifically designed to connect two lengths of casing or tubing.

They serve several essential purposes in drilling operations:

- Extending Pipe Lengths: Short joints allow for adjustments in the length of the casing or tubing string to accommodate various well depths and conditions.

- Facilitating Repairs: They enable easier repair and replacement of damaged sections of pipe without the need to replace entire strings.

- Enhancing Flexibility: Short joints provide flexibility in well design, allowing for adjustments based on geological conditions or operational requirements.

2 - Specifications

Oil casing and tubing short joints come in various sizes and specifications to meet the diverse needs of drilling operations.

Key specifications include: - Diameter: Common diameters range from 2-3/8 inches to 20 inches, accommodating both small and large wellbore sizes.

- Length: Typical lengths for short joints can vary from 2 feet to 20 feet, depending on the application and customer requirements.

- Thread Types: Short joints can be manufactured with various thread types, including: - EUE (External Upset Thread): Thickened thread type for enhanced strength.

- NUE (Non-Upset Thread): Standard thread type for general applications.

- STC (Short Thread Coupling): A coupling type that offers a short thread design.

- LTC (Long Thread Coupling): A longer thread design for specific applications.

- BTC (Buttress Thread Coupling): A coupling design that provides additional strength and stability.

3 - Materials

The selection of materials for oil casing and tubing short joints is crucial to ensure durability, strength, and resistance to corrosion and wear.

Common materials used include: - Carbon Steel: The most widely used material for oil casing and tubing, offering a good balance of strength, ductility, and cost-effectiveness.

- Alloy Steel: Used for applications requiring higher strength and resistance to extreme conditions, such as high pressure and temperature.

- Corrosion-Resistant Alloys: Materials such as 13Cr and super 13Cr are employed in environments where corrosive substances are present, ensuring long service life and reliability.

- Coatings: Some short joints may be coated with protective materials to enhance corrosion resistance and extend service life.

4 - Manufacturing Process

The manufacturing process for oil casing and tubing short joints involves several key steps to ensure high quality and compliance with industry standards:

Company Contact:

• Posted By: Tianjin Grand Victory Petroleum Equipment Co.,Ltd

• Phone: +8618222899636

• Address: No.17 Guanghai Road,Economic Development Area Jinghai District.Tianjin City., Tianjin , Tianjin , China

• Email:

• Website: http://www.longkailai.com

• Business Description: Tianjin Grand Victory Petroleum Equipment Co., Ltd. is a comprehensive enterprise for production, processing, sales, technology research and development, and spot storage.
  
  Located in Jinghai District, Tianjin, China, it was founded in 2008 with a registered capital of 11.18 million yuan.
  
  It has import and export rights, ISO9001 quality system certification, American Petroleum Institute API 5CT certification and a number of national patent certificates.
  
  The production workshop is equipped with several types of equipment such as highprecision CNC lathes, thread tightening machines, hydraulic presses, etc., and complete inspection and measurement instruments.
  
  Products include J55, K55, N801/Q, L80, P110 and other oil casing, couplings, Pup Joint、Xover （Cross over）; 80S, 90S, 110S, L801Cr/3Cr/13Cr and other highcorrosion resistant oil casing spot storage, with a longterm reserve of about 2,000 tons.
  
  At the same time, it undertakes the processing and copper plating of special sealing threads such as direct connection, wedge shape, double step, variable pitch, etc.
  
  for oil well pipes and petroleum accessories, with fast delivery and excellent quality, reducing costs and increasing efficiency for customers.
  
  Our vision: to build an international oil pipeline equipment enterprise with integrity and innovation.
  
  We welcome leaders and friends from all walks of life to visit us for cooperation and common development.
  
  Phone/Wechat /Whatsapp：
  
  +86182228996 36