Dual - Igniter Sand- proof Mechanical Firing head
TCP operation Firing head
Description
Sand-proof mechanical firing head is used in TCP operation according to API specification. It is initiated by dropping
barfrom the top of well bore to fire the gun.
Features and Benefits
●The product has the advantage of simple structure, convenient to operate,
sand-proof and preclusive of blockingup, unavailable forwater in, with safe
and reliable performance.
●Dual-igniter improves the reliabilityof primaryinitiation.
●It is suitable forused in waterymud well and small-inclined well.
| Type | QFZS-A1 | QFZS-B1 | |
| OD | 60MM/2.4in, 73mm/2.9in, 89mm/3.5in, 93mm/3.7in | ||
| Max. Pressure | 60Mpa/8700psi | 120Mpa/17400psi | |
| Max. Temperature | 160oC/48h or 140oC/100h | 220oC/48h or 200oC/100h | |
| Min. Initiation Energy | Bar weight: 5±0.1kg drop height: 0.7m | ||
| Non-initiation Energy | Bar weight: 2±0.1kg drop height: 0.2m | ||
Perforator gun
Structure of the Perforator Gun
| Number | Name |
| 1 | gun head |
| 2 | gun carrier pad |
| 3 | make joint |
| 4 | O type sealing ring |
| 5 | O type sealing ring |
| 6 | Nylon knot |
| 7 | Upper booster |
| 8 | Righting bar |
| 9 | Down booster |
| 10 | Female Joint |
| 11 | Gun Carrier ring |
| 12 | Perforating shell |
| 13 | Pressing ring |
| 14 | Detonating cord |
| 15 | Gun carrier |
| 16 | Perforating gun |
| 17 | Gun tail |
Dual - Igniter Sand- proof Mechanical Firing head
TCP operation Firing head
