RockySea Petro Skid-mounted fracturing equipmentDescriptionIn the field of petroleum, hydraulic fracturing refers to a method of using hydraulic action to form fractures in oil and gas reservoirs during oil or gas production, also known as hydraulic fracturing. After a certain stage of oil well production, the production capacity and permeability decrease. In order to enhance oil drainage capacity and increase oil well production, people have invented fracturing technology. The methods of
VIEW DETAILSRockySea Petro Rod PumpThe raw material of rod pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The rod pump parts should be inspected several times during the processing procedure. Some key points like the outer diameter of the plunger and the inner diameter of the pump barrel should be 100% inspected.Your Best Pump ManufacturersSealing performance tests must be carried out 100% after fini
VIEW DETAILSRockySea Petro Shaffer Spherical Annular BOPInternational advanced well control equipment test lab.The Shaffer spherical annular Blowout Preventer is widely used in conventional oil recovery, thermal oil recovery, offshore oil recovery, fracturing, geothermal and other fields.30+ years of Shaffer spherical annular BOP manufacturing experience..RockySea Petro has been certified by ISO9001, ISO 14001 standard.RockySea Petro Petro Blowout Preventer factory is one of the main branches of RockySea Petro Petro. It is a profes
VIEW DETAILSRockySea Petro Metering PumpMetering Pump is a precision pump designed to measure and dispense precise amounts of fluid. It is commonly used in various industries, including chemical, pharmaceutical, food and beverage, and oil and gas, for accurate fluid delivery and control. The Metering Pump has a pump chamber with a specific volume that fills and empties with each stroke of the pump. It uses a precise metering system to measure the exact amount of fluid being delivered, ensuring accurate dispen
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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.
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