API RP 7L
Procedures for Inspection, Maintenance, Repair, and Remanufacture of Drilling Equipment
|Publication Date:||1 December 1995|
The objective of this publication is to provide owners and users of equipment listed below guidelines for inspection, maintenance, repair, and remanufacture procedures that may be utilized to maintain serviceability of the covered equipment.
This recommended practice covers the following drilling equipment:
a. Rotary tables.
b. Rotary bushings.
c. Rotary slips.
d. Rotary hoses.
e. Slush pump components.
f. Drawworks components.
g. Spiders not capable of use as elevators.
h. Manual tongs.
i. Safety clamps not used as a hoisting device.
1.2 PROCEDURE DEVELOPMENT
The owner or user, together with the manufacturer should jointly develop and update inspection, maintenance, repair, and remanufacture procedures consistent with equipment application, loading, work environment, usage, and other operational conditions. These factors may change from time to time as a result of new technology, equipment history Product improvements, new maintenance techniques, and change in service conditions.
1.3 PERSONNEL QUALIFICATIONS
Inspection, maintenance, and repair procedures should be carried out by personnel qualified by professional trade and verified by widely accepted or recognized standards covering the specific skills or knowledge required.
The equipment owner or user should maintain a record-keeping system that contains pertinent information regarding equipment. Records may include the following:
a. Information provided by the manufacturer.
b. Inspection records.
c. Maintenance records.
d. Repair records.
e. Remanufacture records.
Unit serial number or identification marking provided by the manufacturer should be maintained on the equipment and recorded in the equipment record. Identification marking should be provided by the owner or user for unidentified equipment that required the maintenance of records.
Changes in equipment status, which could affect equipment serviceability or maintenance, should be recorded in the equipment record.
1.4.4 Record Identification
Entries in the equipment record should include the date and the name of the responsible person(s) involved in the inspection, maintenance, repair, or remanufacture.