API RP 67 Recommended Practice for Oilfield Explosives Safety: Development of Proposed Changes to the Third Edition

摘要

API RP 67 (1994) provided the industry with a common set of explosive safe practices. The last significant update was the second edition (API RP 67 2007). Since that time, the industry has undergone major advances in conveyance methods, technology, and processes. Additionally, in the post-9/11 era, security has been and is still being increased. During the last five years, a dedicated group of more than 120 industry professionals has attempted to update and improve the recommended practice (RP) to enhancesafety for all individuals involved with oilfield explosive materials. Industry dialog has been fostered through discussions during perforating safety forums and industry safety and technology tradeshows. The proposed new changes for the third edition of API RP 67 include the following: 1. Segregation of initiators into safety categories. 2. Consideration of slickline, tractor, and coil tubing conveyance methods, in addition to the standard electric line (e-line) and tubing conveyed perforating (TCP) conveyance methods. 3. Thermal management of explosives, particularly with consideration of HMX temperature overexposure and thermal runaway events. 4. Safer use of pressure equipment with explosives. 5. Improved security, audits, and personnel training. 6. A fuller review of wellsite hazards associated with perforating. At the time of this writing, the third edition is in the final stages of review, with publication expected in late 2017. This paper discusses these proposed changes and the reasoning for their inclusion in the third revision of API RP 67.