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Liquid-Free CO2/Sand Stimulations: An Overlooked Technology - Production Update R. L. Mazza R. L. Mazza PCS Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Eastern Regional Meeting, Canton, Ohio, October 2001. Paper Number: SPE-72383-MS https://doi.org/10.2118/72383-MS Published: October 17 2001 Connected Content Related to: Liquid-Free CO2/Sand Stimulations: An Overlooked Technology Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Mazza, R. L. "Liquid-Free CO2/Sand Stimulations: An Overlooked Technology - Production Update." Paper presented at the SPE Eastern Regional Meeting, Canton, Ohio, October 2001. doi: https://doi.org/10.2118/72383-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 Eastern Regional Meeting Search Advanced Search Abstract The U.S. Department of Energy (DOE) supported the demonstration of a unique liquid-free hydraulic stimulation technology (CO2/Sand) in the water sensitive Devonian Shale's of eastern Kentucky in 1993. The initial production results from four wells which were stimulated with two-stage CO2/Sand stimulations indicated a significant advantage over N2 gas and N2 foam stimulations. The nine-month production responses from a 15 well (30 stages) study group were presented in SPE paper #29191 "Analysis of Production Response to CO2/Sand Fracturing: A Case Study" and reported a measured production benefit of CO2/Sand stimulations over N2 gas and N2 foam of 1.9 and 4.9 respectively.This updated review includes: the 5-year production from those wells, the addition of three more single-stage CO2/Sand stimulation treatments, and the elimination of the early-time "flush" production from the analysis. The production responses for 21 wells (37 stages) is comprised of: CO2/Sand - 7 wells (11 stages), N2 gas - 9 wells (17 stages), and N2 foam - 5 wells (9 stages) are presented. Keywords: sand stimulation, spe 72383, proj, pike co, demonstration, mnthly prd x10cum, stimulation, proppant, upstream oil & gas, month month cum mmcf Subjects: Hydraulic Fracturing, Well & Reservoir Surveillance and Monitoring, Reservoir Characterization, Unconventional and Complex Reservoirs, Fracturing materials (fluids, proppant), Naturally-fractured reservoirs Copyright 2001, Society of Petroleum Engineers You can access this article if you purchase or spend a download.