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Keywords: injectivity index
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Proceedings Papers

Paper presented at the 8th European Formation Damage Conference, May 27–29, 2009
Paper Number: SPE-122033-MS
... for evaluating the impact of the sand control technique in the productivity or injectivity of a horizontal well. Several parameters, such as damage rate (DR) and productivity or injectivity index per horizontal effective length (PI/Lef) were used to compare similar wells equipped with different sand control...
Proceedings Papers

Paper presented at the European Formation Damage Conference, May 30–June 1, 2007
Paper Number: SPE-106786-MS
... on the calculated time-lapsed injectivity index model and flow-meter surveys, the effectiveness of various mechanical and diversion techniques were evaluated. Placement techniques were either using bullheading or coiled tubing technique. The study covered 49 treatments using bullheading technique and 33 treatments...
Proceedings Papers

Paper presented at the European Formation Damage Conference, May 30–June 1, 2007
Paper Number: SPE-107775-MS
... treatment slug Injection Rate Injectivity Index DTS wellbore temperature profile Introduction Optimum fluid placement and complete zonal coverage is essential in a successful matrix-acid treatment. This is especially true for long intervals with a high degree of heterogeneity. Without...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-94802-MS
... those carried out with straddle packers, was performed in two stages: the first, using just HCl, and the last one, using mud acid. The subsequent formation test performed after the HCl treatment showed a high skin value and an unacceptable injectivity index, due the need to keep the reservoir pressure...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-95021-MS
... between the fluid mechanics and rock mechanics given by (1). The mean temperature and viscosity of the water in the cooled zone are calculated as a function of the injected water salinity and temperature. The warming due to produced waters is accounted for. The Injectivity Index assuming fractured...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, May 25–27, 2005
Paper Number: SPE-94606-MS
... is evidenced by a sudden increase in the Injectivity Index or similarly, a sudden drop in the Reciprocal Injectivity Index – RII - (unit injection pressure per unit constant injection rate). Thereafter, the required pumping pressure drops and/or the injection rate increases with the newly created surface area...

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