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and time required to build a wood platform to support all or a few of the offshore-type rig. The very first MODU The first really offshore MODU was the Mr. Charlie, developed and built from scratch by Ocean Drilling and Expedition Co.(ODECO), headed by its developer and president,"Doc "Alden J. Laborde. The Mr. Look At This Piece (Fig. 2)was a purpose-built submersible barge developed particularly to drift on its lower hull to location and, in a series of flooding the stern down, wound up resting on the bottom to begin drilling operations. Charlie went to its very first area in June 1954, Life publication blogged about the unique brand-new concept to check out for oil and gas offshore. The Mr. Charlie, ranked for 40-ft water depth, set the tone for how most MODUs were developed in the Gulf of Mexico (GOM). Normally, a creator protected financiers, in this case Murphy Oil, and then found a customer with a contract to drill for, in this case Shell Oil, permitting bank loans to be acquired to construct the unit. Rigs were installed on surplus The second world war ship hulls modified to drill in a floating position compared with sitting a submersible barge on the ocean bottom, as done in the GOM. Oil companies formed collaborations or continued independently, however MODUs were not designed and constructed by agreement drilling business in California. Prior to the leasing of oil and gas rights in 1955, oil business cored with little rigs cantilevered over the side midship of old The second world war barges. These barges did not have well-control devices or the capability to run a casing program. They could only drill to a designated core depth with the understanding that if they drilled into any oil and/or gas sands, they would stop, set a cement plug, and pull out of the core hole. Others followed quickly, with all of them concerned about the marine environment and technology to enable drilling in rough weather condition. In 1956, the CUSS 1 was developed from another The second world war barge. The system, built by the CUSS group(Continental, Union, Shell, and Superior Oil), was 260 feet long and had a 48-ft beam. The initial designers had no examples or experiences to pass, so novelty and innovation were the course of the day: Torque converters on the drawworks were.

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