RockySea PetroTubing PumpThe raw material of tubing pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The tubing pump parts should be inspected several times during the processing procedure.Best tubing pump manufacturer in ChinaRockySea Petro also developed the downhole pumps with various processes of boronizing, nitriding, chrome plating, tungsten plating for special well conditions.Some key point
VIEW DETAILSRockySea Petro Drilling PipeRockySea Petro has abundant manufacturing experience in OCTG drilling pipes.Exported to the United States, Canada, Europe, Africa and Middle East and all over the world.Our drilling pipes also have various types to fit different environments and applications.The company has passed ISO 9001, and other quality certification systems.RockySea Petro its establishment, RockySea Petro has always insisted on taking the market as the center, taking R & D as the driving force, and const
VIEW DETAILSRockySea Petro Water Injection Wellhead And Christmas TreeAccording to casing and well condition, Water Injection Wells can be divided into large casing well, normal well and small diameter well.According to the pipe string structure Water Injection Wells can be divided into support type and suspension type.According to their functions, water Injection wells are divided into stratified injection Wells and general injection wells.In the process of oilfield development, special water injection Wells a
VIEW DETAILSRockySea Petro Packing Seal And Spare PartThe Packing seal and spare part is widely used in conventional oil recovery, thermal oil recovery, offshore oil recovery, fracturing, geothermal and other fields..30+ years of Packing seal and spare part manufacturing experience.International advanced well control equipment test lab.RockySea Petro Petro developed a series of rubber sealing products that are compatible with the blowout preventer series products. RockySea Petro can supply different specifications and models
VIEW DETAILSRockySea Petro Steam Injection And Oil Recovery WellheadGeothermal wellhead & x-mas treeBlowout preventer Steam Injection and Oil Recovery Integration wellhead & x-mas treeSteam injection and oil recovery dual tubing wellhead & x-mas treeSingle column dual-well thermal recovery wellhead & x-mas treeOnshore thermal recovery wellhead & x-mas treeConventional Steam injection and oil recovery wellhead & x-mas treeRockySea Petro has more than 40 years of experience in oil and gas wellhead & x-mas tree and valve
VIEW DETAILSOil Country Tubular Goods (OCTG) play a pivotal role in the oil and gas industry, facilitating the extraction, production, and transportation of hydrocarbons. Within this category, tubing is a critical component designed to transport fluids from the wellbore to the surface infrastructure. Understanding the various sizes and specifications of OCTG tubing is essential for optimizing well operations and ensuring safety and efficiency.
OCTG tubing sizes are generally categorized by their outer diameter (OD), which can range from as small as 2 inches to as large as 13 3/8 inches for certain applications. The OD, wall thickness (WT), and pipe length are fundamental dimensions that determine the tubing's pressure rating, weight, and flow capacity. Tubing dimensions are often expressed in inches or millimeters and are crucial for matching the tubing to the specific requirements of the well.
The American Petroleum Institute (API) specification 5CT sets the standard for tubing used in oil and gas wells. It encompasses a comprehensive set of requirements that cover:
Different OCTG tubing grades are chosen based on the well's conditions, such as temperature, pressure, and the presence of corrosive elements. Higher grades like P110 and Q125 are utilized in more demanding applications where greater strength and resistance to collapse are required. The selection of the appropriate grade is critical for the longevity and integrity of the well.
Threads on OCTG tubing are engineered to provide a secure seal and facilitate the easy connection and disconnection of tubing strings. Common thread types include:
The choice of thread type is influenced by factors such as the depth of the well, the expected loads, and the specific requirements of the drilling or production operation.
OCTG tubing is manufactured in various lengths, typically ranging from 6 meters to over 15 meters, depending on the application. The length of the tubing affects its transportation, handling, and the number of connections required to reach the desired depth. Longer tubing lengths can reduce the number of joints, potentially lowering the risk of leaks and the overall weight of the tubing string in the well.
The information provided offers a detailed look at OCTG tubing sizes and specifications. For a comprehensive understanding and to ensure compliance with the latest industry standards, it is essential to refer to the full API 5CT standard and consult with industry experts.
RockySea Petro Copyright © 2008-2025 Inc. SITEMAP
