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API RP 5C1 Recommended Practice for Care and Use of Casing and Tubing
The actual length wpi tension in the hole can be obtained by consulting graphs that are prepared for this purpose and are available in most pipe handbooks. Thread galling of gall-prone materials martensitic chromium steels, 9 Cr and 19 Cr occurs during movement—stabbing or pulling and makeup or breakout.
When making up round-thread connections with PTFE polytetra? Where conditions favorable apii corrosion exist, a quali? When lacking previous experience with any of the above 5d1, these should be used cautiously and on a limited scale until appraised for the particular operating conditions.
The total of the individual lengths so measured will represent the unloaded length of the tubing string. This should be done only in accordance with API Speci? It is also recommended that at least one other discharge connection be left open on the mud system to prevent buildup of excessive pressure when the quick-closing valve is closed while the pump is still running. Particular attention should be given to mitigation of corrosion where the probable life of subsurface equipment is less than the time expected to deplete a well.
If external corrosion is evident, it must also be taken into account. Wear occurs inside casing and liners by rotation and movement of the drill string while drilling. Pipe with pits may not be used under some corrosive conditions but may perform satisfactorily where corrosion is not a factor. Pricing and availability subject to change without notice. Do not unload pipe by dropping.
Shipping on foreign orders cannot be rushed without FedEx account number. Anticipate that maximum torque values could be? If the casing stand tilts to one side after stabbing, lift up, clean, and correct any damaged thread with a three-cornered? For these reasons, welding on high-strength casing should be avoided if possible. Stringers should not be placed under couplings or the upset part 5v1 pipe. Under severe conditions, special alloy steel or glass reinforced plastics may be used.
Enviado por Wagner flag Denunciar. Tongs may be sized to produce 1. Water analyses to determine the iron content before and after starting the inhibitor treatment may also serve as an indication of the comparative rates of corrosion. Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standard is solely responsible for complying with all the applicable requirements of that standard.
The torque values spi in Table 1 apply to casing with zinc-plated or phosphate-coated couplings. Hard areas or cracks may cause failure, especially when the casing is subjected to tool-joint battering. Some users have found that, for a limited number of critical well applications, these procedures do not result in casing suffi- ciently free of defects to meet their needs for such critical applications.
API RP 5C1 Archives – Production Technology
Questions concerning the interpretation of the content of this standard or com- ments and questions concerning the procedures under which this standard was developed should be directed in writing to the general manager of the Upstream Segment, American Petroleum Institute, L Street, N.
Various nondestructive inspection services have been employed by users to ensure that the desired quality of 1 American Welding Society, N. It is advisable when starting to run casing from each particular mill shipment to make up suf?
Hammering the coupling to break the joint is an injurious practice. It should not be expected that threaded connections shall gauge properly after being made up power tight, therefore minor deviations from the speci? Galling resistance of threads is primarily controlled in two areas—surface preparation and? Suggested revisions are invited and should be submitted to the general manager of the Upstream Segment, American Petroleum Institute, L Street, N. Information concerning safety and health risks and proper precautions with respect to par- ticular materials and conditions should be obtained from the employer, the manufacturer or supplier of that material, or the material safety data sheet.
Immediately before running, remove protectors from both? Improper joint makeup at mill. Intermediate supports may be placed in the derrick to limit bowing of the tubing.
Call toll-free oror fax to discover more. To prevent galling when making up connections in the? Both the inside and outside of tubing can be damaged by corrosion.
API does not represent, warrant, or guarantee that such prod- ucts do in fact conform to the applicable API standard. In arriving at the proper tension and landing procedure, consideration should be given to all factors, such as well temperature and pressure, temperature developed due to cement hydration, mud temperature, and changes of temperature during producing operations.
Preheat temperature should be maintained during welding.
Orders to all other countries will be sent by Airmail. Care should be exercised to run the string in exactly the order in which it was designed. Welds should be cleaned between passes. Performance properties should be based on a constant OD. Care should be taken to prevent cha?
Ground wire should be? The procedure should be reversed for disassembly. Service induced defects considered to be representative of defects associated with used pipe inspection are as follows: Pitting 51c wear by the sucker rod box qpi be determined visually by caliper surveys.
Small pits or other localized metal loss may not be damaging depending on the application of the pipe, but this type of metal loss should be considered and evaluated by spi pipe owner. These inspection techniques are limited to location of cracks, pits, and other surface imperfections. The power tong should be provided with a reliable torque gauge of a;i accuracy.
Because of this, it is essential that torque be related to madeup position as outlined in 4.