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AbrasiFRAC Stimulation Service (Schlumberger).pdf | Casing (Borehole) | Chemical Engineering

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AbrasiFRAC Stimulation Service Perforate and stimulate in a single field operation Cutting Perforations Pumping Fracture Treatment Down the Annulus Cutting Next Set of Perforations After Placing Sand Plug for Isolation Reversing Out Sand After Fracturing Treatment The AbrasiFRAC* service allows perforating and stimulation in a single field operation. STIMULATION The AbrasiFRAC stimulation service is part of a portfolio of services to maximize reservoir contact. An economic, efficient solu
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  AbrasiFRAC Stimulation Service Perforate and stimulate in a single field operation STIMULATION The AbrasiFRAC stimulation service is part of a portfolio of services  to maximize reservoir contact. An economic, efficient solution, theAbrasiFRAC service perforates and stimulates multiple well intervalsin a single field operation, offering access in cased and openhole completions in less time. The technique enables accurate placement of fracturing treatments down the casing or the CT-casingannulus, andreduces near-wellbore pressure drop from the wellbore to the reservoir,which reduces the frequency of near-wellbore screenouts. Slurry containing abrasive solids is pumped at high differential pressures through a specially designedABRASIJET* hydraulic pipe-cutting andperforating service gun conveyed on a CT workstring. The resultinghigh-velocity fluid stream perforates tubulars and any surrounding cementsheath. Abrasive fluid cutting is widely used in tubing or casing cuttingapplications. This tool can also be used reliably in openhole applications.The abrasive material is typically 20/40 or 100 mesh fracturing sand,which is compatible with the specially engineered jet guns. Even inharsh environments, the jet guns will perform efficiently for severalhours under downhole conditions. For multiple-stage treatments, sand plugs or bridge plugs can be usedfor zonal isolation between the fracturing treatment stages. The jetguns, which are available in various sizing and phasing configurations,also can be used with a retrievable or millable bridge plug. ADDITIONAL SYSTEM FEATURES Additional options can be used to enhance the performance of theAbrasiFRAC service.AbrasiFRAC service can be combined with downhole tools that use fiber-optic technology developed by Schlumberger to provide accuratereal-time depth, bottomhole pressure, and bottomhole temperaturemeasurements via nonobstructive fiber-optic cables. These measurementsare useful in various ways; for example, distributed temperature surveymeasurements offer a qualitative guide to fluid migration and monitoringof the interval flow profile before and just after the stimulation treatment.A reverse check valve allows sand to be removed from the wellbore byreverse circulation between fracturing treatment stages to dress off the top of the sand plug placed for isolation. Cutting PerforationsPumping Fracture Treatment Down the AnnulusCutting Next Set of Perforations After Placing Sand Plug for IsolationReversing Out Sand After Fracturing Treatment The AbrasiFRAC* service allows perforating and stimulation in a single field operation.  www.slb.com/reservoircontact *Mark of SchlumbergerCopyright © 2007 Schlumberger. All rights reserved. 07-CT-002 ABOUT THE CONTACT FAMILY AbrasiFRAC technology is part of the intervention category of the Contact* four-category portfolio of stagedfracturing and completion services. These technologies maximize reservoir contact by offering the most efficient and effective services for each well. The Contact intervention category enables multiple stages  to be perforated/jetted, fractured, and isolated in one intervention. Contact services can be enhanced with real-time measurement options. Specifications Casing size, mm [in]114.3 [4 1  ⁄  2 ]139.7 [5 1  ⁄  2 ]177.8 [7]ABRASIJETtool OD, mm [in]76.2 [3]101.6 [4]101.6 [4]Typical BHA length, m [ft]1.43 [4.7]1.43 [4.7]1.43 [4.7]Optimum nozzle design differential pressure, MPa [psi]17.3 [2,500]17.3 [2,500]17.3 [2,500]Max. temperature, degC [degF]177 [350]177 [350]177 [350]Coiled tubing size(any, but based on required flow rate) APPLICATIONS  Perforation cutting through casingand cement sheath toprovide access for stimulationtreatments BENEFITS  Reduces cycle time by perforatingand stimulating multiple intervalsin a single field operation  Improves well productivitythrough accurate placement of stimulation treatments  Minimizes frequency of near-wellbore screenout  Saves costs because of reducedequipment requirements owingto reduced fracture initiationpressure FEATURES  Accurately places stimulationtreatments  Eliminates need for wireline perforation AbrasiFRAC Stimulation Service
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