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Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. Do not jump tubing out of the coupling.
When using a crane, the use of spreader-bar with a chokersling s at each end is the recommended method of handling long pipe. Slip and tong marks are injurious.
Cracking may require aids, such as magnetic powder, for detection. This publication will no longer be in effect?
Hard areas or cracks may cause failure, especially when the casing is 5cc1 to tool-joint battering.
Do not ground to the rack but? 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. American Petroleum Institute Quality Registrar?
Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the general manager. Dirty threads, or threads contaminated with coating material used as protection from corrosion. If returns are due to processing or shipping errors, API will refund the third class postage. If rubber hose is used, it is recommended that the quickclosing valve be mounted where the hose is connected to the mud line, rather than at the outlet end of the hose.
If damaged or out-of-tolerance threads are not found to be the cause of improper makeup, then the makeup torque should be adjusted to obtain proper makeup see 4. Sometimes a one-time extension of up to two years will be added to this review cycle. Where internal corrosion is known to exist, the following practices can be employed: However, there is no standard method for calculating performance properties of used casing and tubing.
The total of the individual lengths so measured will represent the unloaded length of the tubing string. If the makeup is such that the thread vanish point is buried two thread turns and 75 percent of the torque 4. Compounds that have given outstanding service for casing and tubing under both laboratory and? The load should be tied down and properly bulkheaded to keep it from shifting. Wear occurs inside the casing even though rubber protectors are applied to the drill pipe. When thorough metallurgical analysis reveals some facet of pipe quality to be involved in the failure, the results of the study should be reported to the API of?
Do not set tubing down heavily. Pulling too hard on string.
When rolling pipe, on the rack, keep pipe parallel and c51 not allow pipe to gather momentum or to strike the ends. In this manner, ends are welded without either striking or breaking the arc at the ends. Both spider and elevator slips should be clean and sharp and should fit properly. The length of each piece of tubing shall be measured prior to ai. If the top side of the? It may be preferable in some?
API RP 5C1 Archives – Production Technology
If the tubing tilts to one side after stabbing, lift up, clean, and correct any damaged thread with a three-cornered? It should be noted that a thread compound with a coef? Questions concerning the interpretation of the content of this standard or 5c11 ments and questions concerning 5×1 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. On round-thread joints, this position is to the plane of the vanish point on the pipe; on buttress-thread cas- ing, this position is to the base of the triangle stamp on the pipe; and on extreme line casing, this position is to the shoul- der on the externally threaded end.
Corrosion rate tests by using coupons of the same materials as in the well. API publications may be used by anyone desiring to do so. The inside of tubing can be protected with special liners, coatings, or inhibitors.
The measurement should be made from the outermost face of the coupling or box to the 5c on the externally threaded end where the coupling or the box stops when the joint is made up power tight. Assembly in the horizontal position should be avoided.
API RP 5C1 Recommended Practice for Care and Use of Casing and Tubing
Casing should be handled at all times on racks or on wooden or metal surfaces zpi of rocks, sand, 51c dirt other than normal drilling mud. Those found damaged, even slightly, should be laid aside unless satisfactory means are available for correcting thread damage. Improper joint makeup at mill. In no case should the hydrostatic balance of reservoir pressure be jeopardized by too infrequent?
Wear occurs inside casing and liners by rotation and movement of the drill apj while drilling. Pipe body will not pass drift test One green paint band approximately 2 inches wide at the point of drift restriction and adjacent to the color band denoting body wall classi? Sometimes a one-time extension of up to two years will be added to this review cycle. In the initial stages 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.
Immediately before running, remove protectors from both? 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. Tongs should be examined for wear on hinge pins zpi hinge surfaces.
If external corrosion is evident, it must also be taken into account.