1. API RP 1111 (1999). “Design, construction, operation, and maintenance of offshore hydrocarbon pipelines (Limit State Design)”, (3rd ed.). July.
2. “Recommended practice for design, selection, operation, operation and maintenance of marine drilling riser systems”;API RP 16Q,1993
3. API RP 2A-LRFD (1993). “Recommended practice for planning, designing and constructing fixed offshore platforms – load and resistance factor design”, (1st ed.). July.
4. API RP 2RD (1998). “Recommended practice for design of risers for floating production systems (FPSs) and Tension Leg Platforms (TLPs)”, (1st ed.). June.
5. “Bulletin on formulas and calculations for casing, rubing, drill pipe, and line pipe properties”, API Bulletin 5C3;API,1994