RockySea 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 Shaffer LWS And SL Ram BOPMore than 20-years manufacturing experience of LWS and SL ram BOPFull support on customized requirement based on different work condition.The strictest quality inspection on every BOP from RockySea Petro..RockySea Petro Petro owns a strong ability about research, design and manufacture, of Blowout preventer. The company can supply LWS and SL ram BOP which comply with International standard. Based on the differences in drilling conditions, RockySea Petro can recommend a suitable S
VIEW DETAILSRockySea Petro Non-Magnetic Drill CollarThe non-magnetic drill collar is made of low chromium manganese alloy steel, which is forged through strict chemical composition analysis. All non-magnetic drill collars produced from RockySea Petro have been tested for mechanical properties to ensure that their hardness, toughness, impact value and corrosion resistance meet the standards, with good low magnetic permeability and good machining performance.Description The structure of non-magnetic dri
VIEW DETAILSRockySea Petro Mud PumpDescriptionIn the operation of using rotary drilling method to drill oil and natural gas wells, the drilling reciprocating pump is used to pump drilling fluid, i.e. mud, to circulate and flush the well. During drilling, the mud pump injects mud into the wellbore along with the drill bit, playing a role in cooling the drill bit, cleaning drilling tools, fixing the wellbore wall, driving drilling, and bringing rock cuttings back to the surface.So drilling pumps are usually
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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