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Productivity index (J)

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Comparison of the <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> (<span class="search-highlight">J</span>&#x2F;<span class="search-highlight">J</span> 0 ) for the different fluid formu...
Published: 04 February 2013
Figure 10 Comparison of the productivity index (J/J 0 ) for the different fluid formulations. The energized fluids outperform slick water and linear gel in this particular example. More
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Dependence of dimensionless <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> ( <span class="search-highlight">J</span> D  ), derived from measu...
Published: 15 November 2008
Fig. 6 Dependence of dimensionless productivity index ( J D ), derived from measured PI, upon BHPs ( P wf ) over time for seven wells from Priobskoye field (Rosneft). More
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The corrected τ versus the <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> (<span class="search-highlight">J</span>), 1×1 Synfield (changing t...
Published: 09 October 2005
Figure 4 The corrected τ versus the productivity index (J), 1×1 Synfield (changing the field permeability). More
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Differential <span class="search-highlight">productivity</span> <span class="search-highlight">index</span>  <span class="search-highlight">J</span>   o   as a function of pressure for diff...
Published: 16 October 2012
Fig. 5 Differential productivity index J o as a function of pressure for different reservoir pressure values. Initial bubble-point pressure p b , i = 250 atm . More
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Log-log plot of  Figure 1  where inverse <span class="search-highlight">productivity</span> <span class="search-highlight">index</span>, <span class="search-highlight">J</span> inv , and it...
Published: 11 November 2012
Figure 2 Log-log plot of Figure 1 where inverse productivity index, J inv , and its derivative are plotted against time. More
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Dimensionless <span class="search-highlight">Productivity</span> <span class="search-highlight">Index</span>,  <span class="search-highlight">J</span> D  Value, using brown sand and ceramic...
Published: 06 February 2012
Figure 9 Dimensionless Productivity Index, J D Value, using brown sand and ceramic as proppants in a vertical oil well Fuhrman-Mascho field More
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Dimensionless <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> ( <span class="search-highlight">J</span> D  ) vs. proppant mass for either oil ...
Published: 13 February 2008
Figure 1 Dimensionless productivity index ( J D ) vs. proppant mass for either oil or gas reservoir. Darcy flow is assumed. More
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Dimensionless <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> ( <span class="search-highlight">J</span> D  ) vs. proppant mass for an oil rese...
Published: 13 February 2008
Figure 2 Dimensionless productivity index ( J D ) vs. proppant mass for an oil reservoir with 10 md permeability, unrestricted fracturing. Darcy flow is assumed. More
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Dimensionless <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> ( <span class="search-highlight">J</span> D  ) vs. proppant mass for gas reservo...
Published: 13 February 2008
Figure 4 Dimensionless productivity index ( J D ) vs. proppant mass for gas reservoir with 10 md permeability, TSO fracturing and non-Darcy flow is assumed. More
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Dependence of dimensionless <span class="search-highlight">productivity</span> <span class="search-highlight">index</span> ( <span class="search-highlight">J</span> D  ), derived from measu...
Published: 03 October 2006
Fig. 6 Dependence of dimensionless productivity index ( J D ), derived from measured PI, upon bottom hole pressures ( P wf ) over time for 7 wells from Priobskoye field (Rosneft) More
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Comparing diagrams of differential <span class="search-highlight">productivity</span> <span class="search-highlight">indexes</span>  <span class="search-highlight">J</span>   o   for differ...
Published: 16 October 2012
Fig. 16 Comparing diagrams of differential productivity indexes J o for different reservoir pressures. More
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Proceedings Papers

Paper presented at the SPE Formation Damage Control Conference, February 18–19, 1998
Paper Number: SPE-39594-MS
... Abstract Some measure of completion quality is often used to determine the success of the completion operations performed on petroleum wells. Some of the parameters used to determine the quality of the completion are productivity index (J), skin factor (S), productivity ratio (J actual /J ideal...
Proceedings Papers

Paper presented at the SPE International Petroleum Conference in Mexico, November 7–9, 2004
Paper Number: SPE-91760-MS
... for fracture designs in medium permeability formations. These equations are critical to optimize fracture designs and are different for primary depletion and formations under waterflooding processes. This paper presents two new models to calculate the dimensionless productivity index, J D , of finite...
Journal Articles
J Pet Technol 39 (11): 1411–1416.
Paper Number: SPE-14338-PA
Published: 01 November 1987
...]. This field has produced oil with an increasing water cut for 25 years. It is swept; its average water cut now amounts to 98 %. Areally, the reservoir is made up of two distinct but communicating formations; i.e., a highly fractured dolomite--productivity index, J = 1 m3/(kPa.d) [50 bbl/(psi-D)]--and almost...

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