Perforation apparatus and method

Patent · Tue Jul 12 00:00:00 EDT 1988

OSTI ID:6679551

Brieger, E F

A perforating apparatus is described for perforating earth formations traversed by a casing which is cemented in a well bore comprising: (a) an elongated tubular housing having a closed interior bore which is open at one end and adapted for coupling and for fluid communication with a string of tubing when disposed in a casing adjacent to earth formations, (b) a set of first and second shaped charge perforating devices disposed in the closed interior bore and aligned relative to one another so as to produce, when detonated, first and second perforation openings in the tubular housing.

• Assignee: NOV; NOV-88-031023; EDB-89-000733
• Patent Number(s): US 4756371
• OSTI ID: 6679551
• Resource Relation: Patent File Date: Filed date 15 Dec 1986
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
NATURAL GAS WELLS
PERFORATION
OIL WELLS
TOOLS
CLEANING
DESIGN
DETONATORS
DRILL PIPES
MATERIALS HANDLING EQUIPMENT
PRESSURE CONTROL
SEALS
VALVES
WELL CASINGS
WELL COMPLETION
CONTROL
CONTROL EQUIPMENT
DRILLING EQUIPMENT
EQUIPMENT
FLOW REGULATORS
PIPES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing