×

Fracturing fluid

  • US 3,938,594 A
  • Filed: 04/08/1974
  • Issued: 02/17/1976
  • Est. Priority Date: 04/08/1974
  • Status: Expired due to Term
First Claim
Patent Images

1. A process for fracturing a subterranean formation penetrated by at least one injection well wherein an aqueous fracturing fluid comprised of a high molecular weight polyacrylamide polymer is injected into the formation, the steps comprising injecting into the formation at sufficient rate and pressure to fracture the formation an aqueous solution of a high molecular weight polyacrylamide polymer that is gelled in the presence of chromic ion prior to injection of the polymer into the formation.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×