API 5C1 PDF
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API RP 5C1 Archives – Production Technology
It should not be expected that threaded connections shall gauge properly after being made up power tight, therefore minor deviations from the speci? Two passes are preferred.
Serious consideration should be given before using such casing in a position in the string where a heavy tensile load is imposed. This gives a bending effect that tends to gall the threads.
If the bottom of the car is 5×1, the stringers should be rigidly shimmed so that their tops will be in the same plane. The owner of pipe which requires special handling requirements should notify his service providers of the applicable special handling requirements and to which pipe the special requirements are applicable.
Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the general manager. Or see the online interactive version of the catalog on our web site at www. When lengths of casing are inadvertently dragged in the dirt, the threads should be recleaned and serviced again as outlined in 4.
BoxHouston, Texas Where welding is done on joints, the weld shall not be intended as a seal to prevent leakage but rather as a means of preventing the joint from backing off. Coupons may also be helpful in determining whether suf?
Casing should be handled at all times on racks or on wooden or metal surfaces free of rocks, sand, or dirt other than normal drilling mud.
Hammering the coupling to break the joint is an injurious practice. They should be retightened with tongs before? Pulling too 5f1 on string. Therefore, in wells where leak resistance is not a 5×1 factor, minimum? On round-thread joints, this c51 is to the plane c51 the vanish point on the pipe; on buttress-thread casing, this position is to the base of the triangle stamp on the pipe; and on extreme line casing, this position is to the shoulder on the externally threaded end.
Since corrosion may result from many causes and in? When H2S is present in the well? This procedure was therefore used to establish the makeup torque values listed in Table 1. When tapping is required, use the? Several thread protectors may be cleaned and used repeatedly for this operation. The actual length under tension in the hole can be obtained by consulting graphs that are prepared for this purpose and are available in most pipe handbooks.
API RP 5C1 Recommended Practice for Care and Use of Casing and Tubing
When this is done, the mating coupling should be carefully inspected for damaged threads. Block pipe by nailing 1 by 2 or 2 by 2 blocks at both ends of the spacing strips. 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.
All values are rounded to the nearest 10 ft-lb 10 N? The length of each piece of casing shall be measured prior to zpi. For example, if 6 inches millimeters of weld have been deposited as a stringer bead from left to right, then the operator should start about 6 inches millimeters to the left of the weld deposited and weld up to the starting point of the previously deposited weld.
The total of the individual lengths so measured will represent the unloaded length of the casing string. Prepayment of orders shipped to these states should include applicable sales xpi unless a purchaser is exempt. Keeping a space of one-third to one-quarter of the diameter of the pipe between the tong and the coupling should normally prevent unnecessary friction in the threads.
Various nondestructive inspection services have been employed by users to ensure that the desired quality of 1 American Welding Society, N. Galling is always a possibility that may be encountered while breaking out connections, particularly when backups are placed on the coupling.
API RP 5C – Care and Use of Casing and Tubing_百度文库
However, there is no standard method for calculating performance properties of used casing and tubing. Couplings that have been dented by hammering.
Do not pile pipe directly on ground, rails, and steel or concrete? These standards are not intended to obviate appi need for apply- ing sound engineering judgment regarding when and where these standards should be utilized. Ability to withstand bending forces is also often important. It should be noted that a thread compound 51 a coef?
The performance properties can be calculated by using the remaining wall thickness.
When rolling pipe, on the rack, keep pipe parallel and do not allow pipe to gather momentum or to strike the ends. State Sales Tax — The American Petroleum Institute is required to collect sales tax on publications mailed to the following states: Any manufacturer marking equipment or materials in conformance with the marking requirements of an API 51 is solely responsible for complying with all the applicable requirements of that standard.
In the initial apu of makeup, any irregularities of makeup or in speed of makeup should be observed, since these may be indicative of crossed threads, dirty or damaged threads, or other unfavorable conditions.
Avoid hitting casing against any ai of derrick or other equipment. Alloys do not always eliminate corrosion. Field-end threads and the mating coupling threads should have thread compound applied just before stabbing.
Immediately before running, remove protectors from both? Pipe in storage should be inspected periodically and protective coatings applied when necessary to arrest corrosion.