Perforating for Fracturing—Best Practices and Case Histories

Abstract

Perforating for Fracturing—Best Practices and Case Histories Reinhard Pongratz; Reinhard Pongratz Halliburton Search for other works by this author on: This Site Google Scholar Klaas von Gijtenbeek; Klaas von Gijtenbeek Halliburton Search for other works by this author on: This Site Google Scholar Roman Kontarev; Roman Kontarev Halliburton Search for other works by this author on: This Site Google Scholar B. W. McDaniel B. W. McDaniel Halliburton Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Hydraulic Fracturing Technology Conference, College Station, Texas, U.S.A., January 2007. Paper Number: SPE-105064-MS https://doi.org/10.2118/105064-MS Published: January 29 2007 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Get Permissions Search Site Citation Pongratz, Reinhard, von Gijtenbeek, Klaas, Kontarev, Roman, and B. W. McDaniel. "Perforating for Fracturing—Best Practices and Case Histories." Paper presented at the SPE Hydraulic Fracturing Technology Conference, College Station, Texas, U.S.A., January 2007. doi: https://doi.org/10.2118/105064-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Hydraulic Fracturing Technology Conference and Exhibition Search Advanced Search Abstract In 2004, SPE 90238, "Perforating and Hydraulic Proppant Fracturing in Western Siberia, Russia," provided recommendations for perforating in Western Siberia,1 an area where hydraulic fracturing is booming and considered second only to the North America region, with over 5,000 fracturing treatments performed each year. One of the issues that has become obvious over the past two years is the limited understanding of the importance of using well and reservoir data as major factors in the selection of perforating programs to prevent premature screenouts.In recent years, several operators have concluded that maximizing production from most wells in western Siberia fields requires the placement of large quantities of coarsesized proppant using the least damaging fluid systems possible in the fracturing applications. For production optimization, the proven trend is "larger (proppant sizes) and bigger (jobs)" using the lowest acceptable polymer loading in the frac fluids to minimize gel damage.To achieve successful placement of the designed optimized fracturing treatment, all factors that could lead to a premature screenout should be eliminated. Improper perforating practices have proven to be one of the primary limitations and are often proven as the number one reason for past screenouts. Using the preferred perforating guns and charges for a specific application reduced the total screen-out percentage to less than 5%. The key to proper selection of perforating methods included using API RP 19B data and simulation software that calculates downhole conditions.This paper describes several case histories in moderately hard and moderately soft rock reservoirs, using both big hole and deep penetrating guns, showing results that proved using proper perforating practices could eliminate screenouts. Furthermore, the authors describe how a different approach (hydrajet perforating) was used to provide entry from the wellbore to the formation. Hydrajetting will be compared with conventional (shape-charge) perforating techniques prior to hydraulic fracturing. Case histories for multi-zone pin-point stimulation will be provided. Keywords: hydraulic fracturing, Hydrajet, Completion Installation and Operations, concentration, Exhibition, Case History, Upstream Oil & Gas, stimulation, perforation, proppant Subjects: Drilling Operations, Hydraulic Fracturing, Reservoir Characterization, Formation Evaluation & Management, Professionalism, Training, and Education, Information Management and Systems, Perforating, Fracturing materials (fluids, proppant), Communities of practice, Knowledge management Copyright 2007, Society of Petroleum Engineers You can access this article if you purchase or spend a download.