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Fluid-loss control differences of crosslinked and linear fracturing fluids

Journal Article · · J. Pet. Technol.; (United States)
DOI:https://doi.org/10.2118/12153-PA· OSTI ID:5661877
Three fracturing fluids--crosslinked guar, a delayed hydrating guar, and a linear guar--were tested for fluidloss control at 1-hour intervals while being conditioned in a heated, pressurized flow loop. Each fluid was tested with three different fluid-loss additive systems: diesel, silica flour (SF), and a diesel/SF combination. Additional ly, the crosslinked system was tested with diesel plus an anionic surfactant (AS) and a diesel/SF combination plus the anionic surfactant. These tests show that the fluid loss of crosslinked fracturing fluids is best controlled by using diesel in combination with a surfactant or a properly sized particulate material. The fluid loss of linear guar fluids is controlled best with particulate additives. Therefore, it is important to consider the type of fracturing fluid that is being used for a particular job when planning which fluid-loss additives to use.
Research Organization:
Conoco Inc.
OSTI ID:
5661877
Journal Information:
J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 37:2; ISSN JPTJA
Country of Publication:
United States
Language:
English