Coaxial follow-on perforating charge and perforation process for self-eliminating crushed zone using same
Coaxial follow-on perforating charge and perforation process for self-eliminating crushed zone using same
- CN 104,169,521 A
- Filed: 04/27/2013
- Published: 11/26/2014
- Est. Priority Date: 04/27/2013
- Status: Active Grant