Comparison of key parametres slatted & jet perforation

Comparison of key parametres slatted & jet perforation

Cumulative perforation has been used in world practice for more than 60 years. In spite of it cumulative perforation has some considerable disadvantages:

• It exerts destroying influence on the cement sheath.
• Lack of steering system (balancing system) brings to unsatisfactory holes.
• There is an opportunity that not all jet charges will be activated;
• Glass is formed because of the cumulative perforation flow action in the terrigenous rock. This results in the mudding of nearwellbore zone.
• The hole pattern in the production casing is not capable of including the maximum number of fluid conductive channels & well-drainage areas.

Hydro mechanical slatted perforation doesn’t have any disadvantages at all:

• This is an absolutely safe technology.
• There is no destruction of the cement sheath.
• HMSP creates an extensive completion area & spacious caverns.
• HMSP provides the best connectivity of the well & formation.
• HMSP simplifies the operations for production stimulation & reservoir recovery increase.