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Drilling It Safely

Life extension for mobile offshore unites: How old is too old?

By Gerhard Ersdal, Arne Kvitrud, Petroleum Safety Authority Norway; Wayne Jones, Malcolm Birkinshaw, UK Health and Safety Executive Editor’s note: This article is the second in a series of articles that will focus on the critical issue of asset integrity. The International Regulators Forum kicked off the series in the May/June 2008 issue, presenting findings from a three-year inspection programme. In this issue, UK’s HSE and PSA Norway detail how they are approaching the evaluation of offshore units operated beyond their original design life. In upcoming issues, Australia’s National Offshore Petroleum Safety Authority and the Netherlands’ State Supervision of Mines will provide their perspectives on how industry can improve asset integrity. A large number of mobile units in the North ...

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New Drillers Course provides required training in period of rapid promotions for drilling crews

Murchison Drilling Schools (MDS) recently introduced its new five-day Drillers Course, which aims to equip assistant drillers (AD) with the technical tools needed to become an effective driller, and to ensure that drillers have the technical knowledge necessary to be proficient in his current position and to excel as a toolpusher in the future. The class will be taught as an in-house course. “We were looking at why employees on the contractors side weren’t coming to our (10-day Operations Course), whereas 10-15 years ago probably 50% of the class were from the contractors,” said Bill Murchison Jr, an instructor at MDS. Sam Sirman, who joined MDS in February this year as a lead instructor and has 27 years of experience ...

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Gulf of Thailand drilling/completion both high tech and high volume, with HSE as core value

By Mike Killalea, Editor & Publisher Drilling in the Gulf of Thailand (GOT) is not only high-volume work, but presents considerable technical drilling-and-completion challenges. Chevron, the major operator in the GOT, drills some 40% of its global footage there – that’s right, 40%. In 2007, that constituted 3.7 million ft and 310 wells, and the previous year, 4.4 million ft. Chevron’s preeminence in the region more than doubled following the 2005 merger with Unocal. Chevron’s drilling program will extend through the next decade and beyond, explained Mike Haas, drilling & completions manager for the Asia South Business Unit, Chevron Thailand Exploration and Production Ltd. “It’s good for us because it allows us to contract long term,” he said, “and it ...

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Permanent magnet motors lead way to better power efficiency, safety on cranes, winches

By Hege Kverneland, National Oilwell Varco Recognized around the world as a leader in technology-driven drilling solutions, National Oilwell Varco (NOV) has kept its focus on commercializing permanent magnet motor technology and developing innovative applications for its use. The Lifting and Handling Group’s latest technological development is the new all-electric King Post Crane using permanent magnet motor (PM motor) technology with a new type of permanent magnet motor winch (PMW). PM motor Technology The technology of the PM motor differs from the traditional squirrel cage AC asynchronous motor in that it uses permanent magnets to generate the magnetic flux to turn the motor, versus excitation by copper or energizing large copper winding in the rotor. The benefits of the PM ...

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Lifting Safety: Inexperienced employees, deepwater/subsea projects push lifting challenges to new

“The challenges have shifted,” said Mike Brasic, who retired from BP in May 2008 as lifting adviser and as HSE manager for BP Sakhalin. First, there’s the people problem. “The level of experience among employees has gone down as the level of activity has gone up. That’s presenting challenges with competency that the industry must address.” Second, the move into deepwater and subsea operations has brought its own set of technological and safety challenges – including lifting challenges. “It’s a new phase to the lifting game,” he said. Lifting performance Mr Brasic believes the industry has seen a decrease in lifting fatalities and serious incidents in recent years, and several factors have contributed to that. “There’s more focus on near-miss ...

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CNPC tours Diamond Offshore training facility

Representatives from China National Petroleum Offshore Engineering (CNPOE), a subgroup of China National Petroleum Corp (CNPC), received a tour and demonstrations of state-of-the-art training equipment and simulators at Diamond Offshore’s Houston training facility in late March. A.J. Guiteau, corporate manager of training and development for Diamond, first led a discussion of the company’s training initiatives, including its well control, stability and dynamic positioning courses, and related issues such as mooring standards, storm preparation processes, deepwater well control and safety, and its corporate safety management system GEMS. Diamond delivers in-house WellCAP-accredited well control training to nearly 600 employees worldwide and stability training to 400 marine and drilling personnel. The company anticipates the stability and ballast control course to gain IADC accreditation ...

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