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Presentation transcript:

PROJECT BACKGROUND Location coordinate : Kumang Cluster fields consists of Central Processing Platform (CPP) Kanowit Field (KAKG-A), F9JT-A wellhead, Kumang (KUJT-A) wellhead, and Kanowit (KAJT-A) wellhead. The Kumang field is located approximately 200km from the MLNG plant offshore Bintulu, Sarawak. The drilling platforms will be designed for unmanned operation with interconnecting pipelines to KAKG-A. Minimum facilities with only small power generation, pedestal crane, telecommunication, well head control panel, pig trap, wet gas metering, vent system, temporary shelter, and helideck.

KUMANG DRILLING PLATFORM (F9TJ-A) 04 ̊ 25’ 56”.774 N, 111 ̊ 47’ 23”.584 E, KUJT-A 04 ̊ 22’ 01”.983 N, 111 ̊ 57’ 58”.682 E, KAKG-A -85 m elevation 20.5 km 178.0 km 198.0 km MLNG in Bintulu

BASIC CRITERIA Location of the platform - Approximately 200 km from the nearest coast line. Kumang Cluster fields. Function of the platform - Unmanned drilling platform at sea depth approximately 85 meters below mean sea level. Field development options - Central Production Platform Kanowit field (KAKG-A). Kumang KUJT-A drilling platform. Structure transportation and - MMC Oil & Gas Engineering Sdn. Bhd. Installation Miri, Sarawak. Conceptual and Basic Engineering Detailed Engineering Design Topsides and jacket design Modification to the existing platforms Installation Engineering

METOCEAN CRITERIA BARAM DELTA (WATER DEPTH 75m) (PTS) At Mid-depth : 0.5*85m = 42.5m At near seabed : 0.01*85m = 0.85m

METOCEAN CRITERIA At water depth of 85m under MSL and the wave period of 8.9 seconds, the wavelength (L) = 124m. Wave celerity = 13.93 m/s. Water particle velocity horizontal = 0.0553 m/s. vertical = 0.0457 m/s. Water particle accelerations horizontal = 0.039 m/s vertical = 0.0323 m/s Water particle displacements horizontal = 0.0786 m vertical = 0.0649 m

METOCEAN CRITERIA

WIND CHARACTERISTICS-WIND DIRECTIONS DETAILED DESIGN SERVICES FOR KUMANG CLUSTER DEVELOPMENT PROJECT Load imposed on top side is wind load. Design wind loads were generated in accordance with API-RP2A [3] recommendations. One minute duration wind speed 17m/s and 24m/s at 10 m elevation above MSL. Top side structure Wind directions 10 meters MSL Side view of top side structure.

WIND CHARACTERISTICS-WIND DIRECTIONS DETAILED DESIGN SERVICES FOR KUMANG CLUSTER DEVELOPMENT PROJECT Plan view of top side structure.

WIND CHARACTERISTICS-SHAPE COEFFICIENTS API FORMAT Forces on flat surface are assumed to act normal to the surface. Forces on cylindrical surface are assumed to act in direction of the wind. Shape Coefficients. Beams - 1.5 Sides of building - 1.5 Cylindrical sections - 0.5 Overall projected area of platform - 1.0

WIND CHARACTERISTICS PETRONAS TECHNICAL STANDARD (PTS) PETRONAS TECHNICAL STANDARD, Design and Engineering Practice, Technical Specification, PTS 34.19.10.30, JANUARY 2010, Wind Force Calculations, page 7. Taken same shape coefficients as API. “In computing wind forces in accordance with API … respectively” Conclusion, using API standards.