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Keywords: depletion
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Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78199-MS
... and by whom the paper was presented. Write Librarian, SPE, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A., fax 01-972-952-9435. Abstract This paper presents the study of the coupled hydro-mechanical behavior of a faulted HP-HT hydrocarbon reservoir during depletion. Because of the large expected depletion...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78150-MS
... and by whom the paper was presented. Write Librarian, SPE, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A., fax 01-972-952-9435. Abstract Borehole instability, sand production, and completion failures during production and pore pressure depletion continue to be significant problems confronting...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78204-MS
... during depletion includes extensive compaction and associated subsidence. One highly successful completion alternative, horizontal wells, was, in its early application to Valhall, plagued by the premature failure of the production tubulars associated with reservoir draw down/compaction. Numerical...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78166-MS
... the specimen height. Figure 1 shows as an example the approximation of the cumulative sand mass data with Eq. for a reservoir sandstone. porosity prediction strength drawdown perforation interval completion installation and operations correlation deviation depletion sand production...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78235-MS
...) materials where under right seepage forces the cementation can be overcome leading to transport of sand grains. Such models generally render a maximum drawdown that should not be exceeded. Their practical use has mostly been in predicting the early life drawdown as the effect of depletion is not rigorously...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78236-MS
... consistent with the prediction of helical buckling caused by depletion of fluids only when cavities of vertical extent greater than 7 ft exist (e.g. due to sand production) around the wellbore. This study supports the use of these predictive methods in well completion design. Introduction Oil and/or gas...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78226-MS
... Abstract A Mohr-Coulomb failure criterion is applied to estimate fluid pressures that may cause fault reactivation during the depletion of hydrocarbon reservoirs. The estimates incorporate the decline in total minimum horizontal stress that accompanies fluid pressure depletion in hydrocarbon...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78228-MS
... completions during reservoir depletion. Results of a four-year comprehensive testing and monitoring program conducted to assess the extent of hole instability during shut-in and flowing periods 1 indicated that there was no immediate hole collapse. However, the study revealed the need to assess the long...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78202-MS
... the compressibility of the rocks and the compaction drive energy of the reservoir. The initial stress state of the reservoir is shown to have a large effect on the degree of plasticity and the degree of depletion for the same amount of fluid withdrawal and the same rock properties. Modeling the change in permeability...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78174-MS
... Abstract We introduce a formalism, Deformation Analysis in Reservoir Space (DARS), to quantitatively predict the degree of compaction and potential for induced faulting in a depleting reservoir. Compaction occurs when the stress state exceeds the end cap (or critical state) of a formation...

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