Proppant Flowback Control in the Burgos Basin

Prado-Velarde, E.; Sanchez-Bujanos, J.M.; Valenzuela, A.; Fragachan, F.

doi:10.2523/35326-ms

Proceedings of International Petroleum Conference and Exhibition of Mexico 1996

DOI: 10.2523/35326-ms

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Proppant Flowback Control in the Burgos Basin

E. Prado-Velarde¹,

J.M. Sanchez-Bujanos²,

A. Valenzuela³

et al.

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1999

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Experimental Investigation of Proppant Flowback Phenomena Using a Large Scale Fracturing Simulator

Goel

Shah

1999

SPE Annual Technical Conference and Exhibition

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This paper evaluates the maximum flow rate before the sand production initiates while flowing back a reservoir after the hydraulic fracturing treatment. The experiments are performed in a high pressure slot which simulates a fracture. The slot is a parallel plate device, which is 7 ft high and 9 1/3 ft long with provisions for varying fracture gap width. The slot is filled with proppant to simulate a propped fracture, then, the closure pressure is applied with 12 actuators to simulate confining pressure on the proppant pack. Water is pumped into the slot to simulate flowing back of the fracturing fluid. The water flow rate is varied till the proppant pack destabilizes, and the sand production begins. The sand distribution is observed in the fracture with a vision system. The experimental results show that the critical water flowback rate decreases as the closure pressure increases, or when the fracture gap width increases. However, the sand-free maximum water flow rate increases as the sand size increases for a given fracture gap width. Lastly, the cumulative sand production decreases as the closure stress decreases at a particular flow rate. The visual observations of the proppant flowback phenomena show that the sand production initiates close to the perforation. After the initiation of the sand flow, continued pumping of the water results in sand production through a channel formed in the proppant pack.

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Experimental Investigation of Proppant Flowback Phenomena Using a Large Scale Fracturing Simulator

Goel

Shah

1999

SPE Annual Technical Conference and Exhibition

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show abstract

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Proppant Flowback Control in the Burgos Basin

Cited by 1 publication

References 0 publications

Experimental Investigation of Proppant Flowback Phenomena Using a Large Scale Fracturing Simulator

Experimental Investigation of Proppant Flowback Phenomena Using a Large Scale Fracturing Simulator

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