RockySea Petro Flush by UnitData sheetApplicationsRSR of RockySea can efficiently and quickly complete various oilfield workover operations as the following: 1).Heavy duty workover serviceDrilling serviceDownhole stuck freeing serviceSealing and channeling serviceCasing shaping serviceCasing repair service2).Shallow- to high-depth well interventions, including:Killing wellsFlushing productions wellsChanging wellhead valvesPressure-testing wells.Changing polished rods Spacing and respac
VIEW DETAILSRockySea Petro Self-Propelled Carrier and TralierFeaturesRockySea Petro has developed a special workover rig chassis range from 6X6 to 14X14, which is compatible with the entire series of XJ250 to XJ850 workover machines. It can operate in various terrains such as roads, deserts, mountains, and swamps, with strong driving power, good off-road performance, and can work in the range of ambient temperature -45 ℃ to 50 ℃.Besides,the company also developed a desert off-road carrier. The driving type is
VIEW DETAILSRockySea Petro Eccentric Rotating Wellhead & X-Mas TreeFull support on your customised requirementThe strictest quality standards on Eccentric rotating wellhead and X-mas tree25 years Eccentric rotating wellhead and X-mas tree manufacturing experienceRockySea Petro Petro manufactures Eccentric rotating wellhead and X-mas tree in China. We have our own factory ofEccentric rotating wellhead and X-mas tree. RockySea Petro Petro provide the high quality and competitive price on Eccentric rotating wellhead and X-mas tree
VIEW DETAILSRockySea Petro Floating Target Single Well Gas-Liquid Multiphase Flow MeterFull support on your customized requirementThe strictest quality standards on Flow Meter Device25 years Flow Meter Device manufacturing experienceRockySea 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 m
VIEW DETAILSSanajck Swabbing TruckData sheetFeature 1.The swabbing truck has the advantages of continuous and reliable operation, convenient parameter adjustment, high drainage efficiency, and simple handling and installation. It solves the problems of discontinuous swabbing and drainage operation, low drainage efficiency, and cumbersome equipment handling,compared with existing drainage technologies. 2.Through on-site testing, the feasibility and reliability of the on-site application of
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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