Paper Title:
Evaluation of Equivalent Circulating Density in Deep Water Dynamic Kill Drilling
  Abstract

Dynamic kill drilling is a technology which is applied in order to control the deep water drilling shallow gas or shallow wells flowing by establish a normal cycle automatically in the deepwater shallow wells section. Equivalent circulating density (ECD) is an important parameters to control the bottom hole pressure, in the ECD estimate, if we don’t consider the effects of low temperature on rheological parameters of drilling fluid, it will result in errors in ECD estimates. Considering the impact of low temperature on the rheological parameters, this paper determines the temperature, rheological parameters and the annulus circulating pressure loss of each well section. Then Superposing each well section annular circulating pressure loss together, and finally calculate the equivalent circulating density. The deeper the water the greater of difference between ECD prediction model and the results calculated by rheological parameters on ground, and the more shallow wells the larger of difference. Therefore, in the process of deep water surface layer dynamic killing, We need to predict the equivalent circulating density of drilling fluids (ECD) accurately.

  Info
Periodical
Chapter
Chapter 5: Materials in Energy and Environment (2)
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
3048-3052
DOI
10.4028/www.scientific.net/AMM.121-126.3048
Citation
X. L. Jiang, Z. M. Lei, Q. B. Meng, "Evaluation of Equivalent Circulating Density in Deep Water Dynamic Kill Drilling", Applied Mechanics and Materials, Vols. 121-126, pp. 3048-3052, 2012
Online since
October 2011
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Price
$32.00
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