Back to results
US 5,765,642 AGranted
Subterranean formation fracturing methods
AssigneeHalliburton Energy Services, Inc.
InventorJim B. Surjaatmadja
Life of this patent
Estimating the term…
Abstract
Methods of fracturing subterranean formations are provided. The methods basically comprise positioning a hydrajetting tool having at least one fluid jet forming nozzle in the well bore adjacent the formation to be fractured and jetting fluid through the nozzle against the formation at a pressure sufficient to form a fracture in the formation.
Claims20
A method of fracturing a subterranean formation penetrated by a well bore comprising the steps of:
- (a) positioning a hydrajetting tool having at least one fluid jet forming nozzle in said well bore adjacent to said formation to be fractured;
- and
- (b) jetting fluid through said nozzle against said formation at a pressure sufficient to form a cavity in the formation that is in fluid communication with the wellbore and further jetting fluid through said nozzle to fracture the formation by stagnation pressure in the cavity while maintaining said fluid communication.
A method of fracturing a subterranean formation penetrated by a well bore comprising the steps of:
- (a) positioning a hydrajetting tool having at least one fluid jet forming nozzle in said well bore adjacent to said formation to be fractured;
- (b) jetting a fluid through said nozzle against said formation at a pressure sufficient to form a fracture in said formation;
- and
- (c) pumping a fluid into said well bore at a rate to raise the ambient pressure in the annulus between said formation to a level sufficient to extend said fracture into said formation.
1 more element
Dependencies are inferred from the claim text.