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Keywords: ecd
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Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31278-MS
..., and bottomhole equivalent circulating density (ECD) during well construction operations. To perform calculations, the majority of the models are built into software modules that include the mud parameters, the contextual well data, and the real-time measurements data. In generalization, the challenges...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30508-MS
... field applications in similarly complex wells. The new model allowed drilling personnel to identify the parameters most likely to induce fractures. Equivalent circulating density (ECD) had the most impact, followed by minimum horizontal stress, Young’s modulus, fracture length, and Poisson’s ratio...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25693-MS
... technology conference lcm wellbore integrity management integrity management software wellbore design contingency plan upstream oil & gas drilling fluid management & disposal ecd wellbore integrity circulation drilling fluids and materials information fluid loss pore pressure decision...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20220-MS
... offshore technology conference ecd shale upstream oil & gas otc 20220 trouble zone artificial intelligence application fluid loss drilling practice drilling ballooning OTC 20220 Eliminating Non-Productive Time Associated With Drilling Trouble Zones Patrick York, Weatherford Int l.; David...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18839-MS
... determined that the cement on the first liner, from 1,300 to 2,600 ft, could not be circulated conventionally without breaking down the formation because of the high equivalent circulating density (ECD). The greatest contributor to the high ECD is the tight annulus of the liner lap. The model parameters were...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16623-MS
... Abstract As offshore drilling operations advance to deeper water and well depths, one of the primary problems faced during circulation is excessive equivalent circulating densities (ECD). This problem becomes acute in the case of extended reach wells, especially where the margins between pore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1998
Paper Number: OTC-8804-MS
... of downhole annulus pressure and temperaure), an extensive campaign was undertaken on recent North Sea ERD wells to compare measured ECDs and static mud densities with hydraulic model predictions. In addition, the effects of drill pipe rotation and reciprocation have been analysed. The hydraulic model used...

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