This standard specifies metallic material requirements for the construction of sucker-rod pumps for service in corrosive oilfield environments. American Petroleum Institute (API) Spec 11AX provides dimension requirements that ensure the interchangeability of component parts. However, that document does not provide material specifications or guidelines for the proper application of various API pumps. API RP 11AR lists the general advantages and disadvantages of the various pump types and lists the acceptable materials for barrels and plungers; API RP 11BR and NACE SP0195 supplement API Spec 11AX by providing corrosion control methods using chemical treatment. This standard is intended for end users (e.g., production engineers) and equipment manufacturers to supplement the use of the aforementioned API and NACE publications.

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