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Keywords: perforation
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199247-MS
... perforated completion. These models are usually avoided in North America due to the less problematic conditions. Further investigation has shown that Inflow Control Devices (ICDs) could be utilized to limit the water breakthrough, as water coning is a common problem, which initiates and intensifies the...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199232-MS
... Abstract Petroleum wells producing water are likely to develop deposits of inorganic scales that may form near the wellbore and may plug perforations, coat casing, production tubulars, valves, deteriorate pump performance, and affect downhole completion equipment. Scales form and precipitate...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199328-MS
... Abstract Although a well has hundreds of perforations, a single perforation is normally used for perforation interaction analysis assuming the perforations are shot symmetrically and the stress state around a perforation is symmetric in both vertical and horizontal directions. However, for the...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189473-MS
... where h 1 is the length of the tunnel in Fig. 2 , ρ p is the perforation density, r p is the radius of perforations, k 0 is the original formation permeability and k c is the permeability of the diverter filter cake. S c2 is more complicated and is a function of many reservoir and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189486-MS
.... In order to achieve these goals, some different acid placement techniques are used, such as limited entry techniques and localized acid jetting. The limited entry technique consists of using a completion with just a few acid injection points into the formation, such as cased and perforated wells with...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189510-MS
.... real time system Upstream Oil & Gas completion acid treatment perforation matrix injectivity formation damage operation injection waterflooding water injection trial composition flowback injectivity reservoir injection water enhanced recovery matrix injection performance injection...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189531-MS
... & perforated liner and oriented perforations. The Draupne Fm 3 producers are near vertical wells with stand-alone sandscreens (SAS) as the lower completion. The different completion types were chosen based on sand strength evaluations. A-16 and the SAS wells were all completed in low ECD OBM, while the two...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189573-MS
... applied in fracturing and acidizing treatments for diverting treatment fluid to the desired zones by plugging perforations. It has proven that injecting ball sealers is a low-cost and efficient method for diversion. To predict the effectiveness of ball sealers, an improved ball sealer seating model is...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178934-MS
... Abstract All perforating operations cause debris, which can lead to wellbore restrictions, choked downhole hardware, plugged perforations, formation damage and operational problems throughout the installation of the completion. As a result, the industry has taken significant efforts to develop...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178935-MS
... Abstract The process of creating perforation tunnels is a critical aspect in well completion because it has a direct influence on the efficiency of relevant stimulation treatments and the overall productivity of the well. An overwhelming majority of perforating jobs in the industry are...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178964-MS
... injection pressure pd technique investigation reservoir differential pressure experiment perforation Petroleum Reservoir permeability Generally, formation damage refers to the changes of permeability in petroleum reservoirs. This is identified as the major factors in reducing well flow...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179014-MS
... Abstract Optimized perforation and stimulation approach was developed to maximize production and overcome heavy oil based mud (OBM) associated damage for HPHT condensate wells (matrix-dominated flow) from Jurassic formation in Kuwait. This paper shares the challenges, approach and results of...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179011-MS
... Drillstem Testing well completion design formation damage total skin factor perforation pseudoskin factor stimulation productivity damage mechanism permeability society of petroleum engineers Upstream Oil & Gas mechanism operation skin factor reservoir Formation damage can happen...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168187-MS
... Perforating under all conditions (i.e. static/dynamic overbalance or underbalance) can produce pressure waves in the wellbore that can lead to wireline weak-point (WWP) failures and/or cable damage, Baumann et al (2012 ) . Perforating gun stuck is a risk if the cable is wedged between gun body...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168131-MS
.... The failure criterion is expressed in the form: Abstract A three-dimensional numerical model was developed to simulate the stability of wellbore and perforation tunnels completed in weak sandstone formations. Post-yield mechanical behavior of granular materials is incorporated in the model to...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168197-MS
... water blockage operation perforation production history Abstract The work completed was a comprehensive approach of understanding and treating formation damage to further redevelop a mature asset through successful remediation operations. The identification of skin was completed with...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168178-MS
... orientations for the wellbore and the perforations. After an economic feasibility study, one of the abandoned wells was sidetracked along the optimally selected trajectory and perforated with oriented guns, isolating identified weak zones. The field has been producing since this remedial work without any sand...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168149-MS
... Abstract An Operator was unable to model a potential new (additional) completion of a 330 m cased hole perforated sand screen and ICDs interval in a mature high water cut well which was originally completed with a 916 m open hole stand alone sand screen and Inflow Control Devices (ICDs) section...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168213-MS
... when gravel is reinforced with the fibers it withstood the drag force even at high injection rates (e.g., at 100 B/D per 0.5-in.-diameter perforation). We performed several experiments to evaluate the strength of the pack under cyclic stress conditions. After 30 cycles, the pack strength remained...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168114-MS
... understanding of the failure mechanism in the previous gravel pack operations. The main changes in the design of sand control systems during 8 years includes adopting a perforating strategy of performing a mechanical backsurge, increasing shot density and charges with low debris, use of a 3-way sub tailpipe...

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