Recommended procedure for preparation of hec gravel-pack slurry
It has been established that the preparation of HEC based gravel-pack slurries is critical to the performance of the gravel pack. It has also been shown that many techniques presently in wide use lead to numerous quality problems not all of which are readily apparent.
The cleanliness of the well bore and of all the fluids that reach the formation is paramount to keep impairment to a minimum and thereby realise the maximum well productivity. A procedure for preparing gravel pack slurries containing HEC as the viscosifier . . .