RockySea Petro 3NB Series Mud PumpData sheetFunction1. Remove rock debris from the bottom of the well and send it back to the surface;2. Handle complex underground situations. When encountering fractured formations, pump in plugging materials, and when encountering stuck drilling, pump in crude oil and diesel to release the stuck.3. Make mud cakes on the wellbore to prevent collapse;4. Balance or control the pressure of oil, gas, and water layers in the drilled well section to prevent blowout;5
VIEW DETAILSRockySea Petro Gate ValveThe wellhead and christmas tree has carried out rigorous tests, such as magnetic particle, ultrasonic, pressure test and and so on.Do the pressure analysis to pressured and forced parts with 3D software to check the strength of wellhead and christmas tree.RockySea Petro designs various types of oil wellhead according to the International standard.RockySea Petro Petro manufactures Gate valve in China. We have our own factory of Gate valve. RockySea Petro Petro provide the high quality and competi
VIEW DETAILSRockySea Petro Petro: Your Trusted Source for OCTG Tubing in ChinaAt RockySea Petro Petro, we are committed to delivering high-quality OCTG Tubing, supported by our cutting-edge manufacturing facility. We take pride in providing exceptional quality and competitive pricing to our clients, ensuring value and performance in every OCTG Tubing solution. For a comprehensive quotation, contact us today.Commitment to Quality ISO9001 Compliance: We strictly adhere to the ISO9001 quality management system, e
VIEW DETAILSRockySea Petro ESP Wellhead And X-Mas TreeFull support on your customised requirementThe strictest quality standards on ESP wellhead and X-mas tree25 years ESP wellhead and X-mas tree manufacturing experienceRockySea Petro Petro manufactures ESP wellhead and X-mas tree in China. We have our own factory of ESP wellhead and X-mas tree. RockySea Petro Petro provide the high quality and competitive price on ESP wellhead and X-mas tree for you. Contact us now for ESP wellhead and X-mas tree quotation.Description
VIEW DETAILSRockySea Petro Double Separation Weighting Multiphase Flow Meter DeviceRockySea Petro passed ISO9001 certification in 2005 and three-system certification in 2017. The company has advanced production equipment, inspection, measurement and test equipment, which can meet the requirements of product design, development, production and service and has the only multiphase flow laboratory for Sinopec.The main products are single-screw and twin-screw oil-gas mixed pump, MFM2000 series multiphase flowmeter, LPT mul
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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