TCP or wireline expendable hollow-carrier perforating gun.
Scorpion 89 Perforating Gun Characteristics
| Parameter | Value | |
|---|---|---|
| Max allowable operating temperature, 1 hour hold me, °C | 204* | |
| Max allowable hydrostac pressure, Mpa | 80-140** | |
| Outside diameter, mm | Without centralizers, 89 | With centralizers, 113 |
| Min casing diameter, mm | Without centralizers, 106 | With centralizers, 123 |
| Max carrier diameter after shoong, mm: | ||
| in liquid medium | 95 | |
| in gaseous medium | 97 | |
| Gun carrier length, m | 1/2/3/4/5/6 | |
| Max gun assembly (string) length, m: | ||
| wireline | Depends on the gun design | |
| TCP | Limited by load capacity of a firing head and a plate | |
| Mass of a loaded gun, kg/linear m*** | 26,4 | |
| Max borehole dogleg severity, degree/10 m: | ||
| for a standard multi-section gun; | 5,0 | |
| for a multi-section gun with a hinge joint unit (ShUS or ShUS-A): for sections of length 1/2/3/4 m | 21,5/12,5/6,5/5,0 | |
| Charge phasing for a standard gun, degree**** | 60 | |
* Max allowable temperature can be limited by max allowable operang temperature for explosives contained in a gun.
** Max allowable pressure can change depending on the mechanical properes of carrier tubes.
*** Mass of 1 m completely loaded secon without the mass of reusable elements.
**** Phasing can be changed upon a special order.
Charge Characteriscs
| Gun name | Charge type | Explosive weight per charge, g | Shot density, shot/m/ phasing, degree | Average parameters of charge penetrating force, mm | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| QC type combined target | CC-05 | API-19B | ||||||||
| Perforation depth | Casing hole diameter | Perforation depth, steel | Perforation depth reduced to concrete | Casing hole diameter | Perforation depth | Casing hole diameter | ||||
| Scorpion PP-25GP | DP | 25 | 20, 18, 16, 13, 10 / 60 | 1000 | 11 | 231,2 | 1156,3 | 9,4 | 1073 | 8,84 |
| Scorpion PP-25SGP | SDP | 1200 | 10 | 282,9 | 1244,6 | 10,9 | 1337 | 11,1 | ||
| Scorpion PP-25BO | BH | 600 | 20 | 127,1 | 636,3 | 19,6 | - | - | ||
| Scorpion PP-25SBO | SBH | 250 | 23 | 144,9 | 318,8 | 24,2 | 188 | 22,19 | ||
| Scorpion PP-25OP | GH | 600 | 16 | 160,3 | 801,3 | 16,6 | 559 | 16,26 | ||
Phasing Options
