METHOD OF TESTING THE OPERATION OF A PRODUCING PIL WELL OPERATED USING THE FORMATION HYDROFRACTURING PROCESS

• US 20120267096A1
• Filed: 06/10/2008
• Published: 10/25/2012
• Est. Priority Date: 11/30/2007
• Status: Active Grant

• Current Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Original Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Inventors: Pershikova, Elena Mikhailovna
• Granted Patent: US 8,826,978 B2
• Time in Patent Office: Days
• US Class Current: 166/252.6
• CPC Class Codes: E21B 43/267 reinforcing fractures by propping
• CPC Class Codes: E21B 47/11 using tracers; using radioactivity
• CPC Class Codes: E21B 49/08 Obtaining fluid samples or testing fluids, in boreholes or wells

Abstract

This invention relates to oil production, more specifically, oil production using the formation hydrofracturing process, and can be used for monitoring the operation of a producing oil well.

Claims

1. Method of testing the operation of a producing oil well operated using the formation hydrofracturing process comprising the steps of injecting a marker with a carrier into the formation, sampling from the production well and determining the presence and quantity of the marker with further judgment on the productivity of formation zones in the well wherein at least two hydraulic fractures are preliminarily produced in the formation, and the carrier and the marker and slag of various metallurgical production that is added as the proppant into the hydraulic fracture.

2. Method according to claim 1, wherein each fracture is filled with slag particles containing different metals as markers.

3. Method according to claim 1, wherein spheroid shaped slag particles are used.