During the dismantling of scaffolding on Oseberg B 7 May 2009, a scaffolder was seriously injured as he fell 14 meters from the scaffolding and down on to the cellar deck. He was evacuated by rescue helicopter to Haukeland hospital in Bergen, and later died at the hospital.
The National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA) released yesterday its 2013 Annual offshore performance report; a yearly stocktake of risk management by the Australian offshore petroleum industry.
This incident refers to a a brief loss of well control that occurred onboard an offshore platform in the Gulf of Mexico a few years ago. The operator was attempting to pull the tubing free of the seal assembly in a Baker SC-2 packer set at 10,830 feet to repair the Surface Controlled Subsurface Safety Valve (SCSSV) set at 350 feet (RKB) or 232 feet below mud line. In the attempt to retrieve the hanger, the 2 7/8-inch, P-105 tubing parted at approximately 4300 feet while working the pipe up and down. The 2 7/8-inch tubing began getting pushed out of the hole by well pressure and fluid in the annulus began flowing.
This incident took place almost a decade ago and refers to a rig blowout and the subsequent fire that broke on the platform. Initially the Rig was conducting directional drilling operations. After a stand being pulled the well began flowing at an increasing rate. The annular diverter element was closed and the well was put into the diverter system. The alarm was sounded to evacuate the Rig and Platform. After a while the end of the port diverter pipe blew off and an uncontrolled flow of gas, water, sand, and hydrocarbons caught fire. The fire from the uncontrolled flow out of the diverter was spread on the Rig floor.
The following information is an extract from PEW recommendations on Arctic Oil Spill Prevention, Response, and Safety in the U.S. Arctic Ocean published during September 2013. The design of the drilling rig, the blowout preventer, or BOP, and cementing practices are all essential to safe drilling operations and accident prevention. Drilling rigs must be designed and operated to meet the Arctic conditions they will encounter. Due to the remote nature of Arctic drilling operations, rigs must be self-sufficient and carry a minimum level of well control materials such as drilling mud, cement, and extra fuel.
A few months ago PSA issued a new journal providing valuable information on some of the most relevant issues and challenges that are being faced by the oil & gas industry in the field of safety. The following information is an extract from PSA’s journal “Dialogue” regarding a freefall lifeboat test on an offshore platform.
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Officer of the Watch 