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Unformatted text preview: aluza considered to be the anomaly of the low circulation pressure after circulation was established. In that conversation, Guide directed Kaluza to pump cement and did not instruct him to redo tests or to take any other precautions (for example, setting another cement barrier on top of the wiper plug or more closely monitoring well flows and pressures after completion of the cement job). 120 Despite Kaluza’s misgivings about low circulating pressure, the BP team on the Deepwater Horizon concluded that the float valves had in fact converted and therefore continued to the cement pumping phase of the temporary abandonment operation. 3. Problems with Float Collar Conversion The cementing crew believed that the float valves converted and, therefore, proceeded to pump cement into the well, even though there was evidence that the conversion never occurred. Without proper conversion of the float collar, cement and other fluids would have a path to flow back up the casing to the rig floor. Following...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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