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1-20 of 26
Keywords: sea condition
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1997
Paper Number: OTC-8555-MS
... in collaboration with IFP were demonstrated by the Pentagon platforms: the first unit constructed by CFEM started operating in the Bay of Biscay in 1968 and later on in the North Sea; twelve other Pentagon units were used for exploration drilling in most severe sea conditions. Dynamic positioning has been without...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7190-MS
... dynamic system of restraint. Comparison of measured and computed drift forces in irregular waves show increasing divergence between predictions based on 3-dimensional potential theory and results of experiments with increasing severity of the irregular sea conditions. Comparison between computed...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6182-MS
... subsea system roll response sea condition wave height 10 integration motion equation experiment calculation post-flooding condition reference system vector equation soylemez aTe 6182 Nonlinear Effects in Predicting the Motion Response of Intact and Damaged Mobile Platforms by M. Soylemez...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5606-MS
... The significant wave periods shown in Table 1 were determined by Eq. (1). The wave spectrum of ISSC-type was used. 4. Wave Direction: The tests were carried out in head sea and beam sea conditions shown in Fig. 2. 5. Current Velocity: The current velocity at the actual caisson lowering was to be 0.5 knots...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5203-MS
..., examined the maximum mooring load sensitivity to direction in the 11.24 metre seastate. Table 11 compares the result from the simulation with those derived from the quasi-static method. The results revealed that in the quartering and beam sea condition the time domain loads exceeded the quasi-static loads...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5208-MS
... sea conditions likely to be regarded as limiting conditions for offshore loading operations. Such conditions include irregular waves, wind and current. For one test irregular cross-sea conditions combined with wind and current were generated. A number of tests were devoted to investigating stand...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5337-MS
... experience. If we can evaluate the critical sea conditions for towing and the degree of fatigue damage during towing, the safety of surface and near-surface towing can be ensured and the tow method can be applied to a wider range of sea conditions than previously. To predict the influence of wave action...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 1982
Paper Number: OTC-4207-MS
... cementation installation calcareous sand garoupa platform packer offshore upstream oil & gas limitation hammer total time platform sea condition penetration template follower procedure instrumentation operation pile capacity self weight pearl marine Abstract...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4089-MS
... rope snap loading sea condition spectra ram tensioner odb snap load lift line coefficient specimen snap load occurrence strength OTe 4089 SNAP LOADS AND BENDING FATIGUE IN DIVING BELL HANDLING SYSTEMS by Francis C. Liu, Civil Engineering Laboratory This paper was presented at the 13th...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4165-MS
... Abstract This paper-describes the application of ship motion analysis to predict themotions and accelerations of a platform jacket mounted on a barge for transportto its installation location. Calculations were made for both regular andirregular sea conditions for various headings...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 1979
Paper Number: OTC-3596-MS
... to estimate the extreme wave height expected to occur over a period of time sufficiently long to cover the desired lifetime of the structure. One way to estimate the extreme wave height is to consider the accumulation of probability density functions applicable for all sea conditions taking into account...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3318-MS
... associated with the passage through the air/sea interface in adverse sea conditions. A brief outline of the subject is given before making a critical review of the existing handling systems. A novel, controlled handling approach, based on the moon pool method, then is outlined. The principle involved...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3076-MS
... zero and 3 m/s (6.0 kt) advancing speeds in 0.6 m (2 ft) sea conditions when collecting low viscosity oils similar to No. 2 fuel oil. Performance improves with lower seas and heavier oils. The tables and charts of this paper do not include data from tests that developed unusually low results due...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3151-MS
... ABSTRACT This paper attempts to describe the development of "self-installed" decks on offshore platforms. When North Sea operations first started platform installation was performed by means of conventional derrick barges i however, faced with harsh sea conditions, they did not prove very...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 1977
Paper Number: OTC-2917-MS
... operations to continue in rougher seas. Statistical tests on the weather model showed that it adequately simulated Gulf of Alaska sea conditions. Furthermore, rig down time calculated with the simulator proved to be more realistic than down times calculated with models using just wave height. INTRODUCTION...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1976
Paper Number: OTC-2635-MS
... crane operation suspension operability kuroshio sway barge offshore structure relation reservoir characterization hoisting natural period construction upstream oil & gas crane boom positioning head block engineer heave operation sea condition barge motion OFFSHORE...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1976
Paper Number: OTC-2599-MS
... dynamic behaviour frequency domain procedure paper offshore technology conference 6200 computer procedure regular wave sea condition dynamic analysis force transducer skate calculation engineer consideration stinger barge computer program vertical acceleration upstream oil...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1976
Paper Number: OTC-2722-MS
... of 96 hours would only occur once every ten years. It was therefore decided to base the storage capacity on 96 hours field production. engineer mooring system center line platform offshore technology conference operation institute assistance weather tanker sea condition upstream oil...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1976
Paper Number: OTC-2541-MS
... to be moored with 16 chains at a point 400 meters offshore from the Exposition grounds, on land, and having a water depth of about 40 meters, and to be movable under calm sea conditions by up to 200 meters by operating the windlasses (Fig. 3). Approach to the Aquapolis was made in two ways. When...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2286-MS
... for semisuomersibles that is adaptable to a wide variety of operational objectives and sub- system equipment packages. _~he WASP (Wave Adap- tive Semisubmersible Platform) is a "jack~uP -" semisubmersible" which can be tuned (with minimal ballasting) so as to improve overall stability and motion in any sea condition...
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