Pressure Testing Packer Type ST
Model “ST” Pressure Testing Plug is mainly used for the pressure test on the casing string and BOP stack (blowout preventer stack). In the oil/gas/water well where the casing string has been run and the wellhead equipment has been installed, once only separate zone pressure test can be performed conveniently and reliably on the casing string and BOP stack with this pressure testing packer.
Specifications
| Model | Connection |
Size of suitable casing | Bearing Area of Plug cm2 | Length mm (in) | |||||||||
| O.D. mm(in) | I.D. mm | ||||||||||||
| ST4A | NC26 | 102(4) | 87.1 | 41 | 588(23-1/2) | ||||||||
| ST44 | NC26 | 114 (4-1/2) | A | 97.2～99.6 | 54 | 588(23-1/2) | |||||||
| B | 101.6～103.9 | 61 | |||||||||||
| ST5 | NC26 | 127 (5) | 108.6～115.8 | 82 | 588(23-1/2) | ||||||||
| ST5A | NC31 | (140( 5-1/2) | A | 125.7～128.1 | 105 | 588(23-1/2) | |||||||
| B | 118.6～124.3 | 97 | |||||||||||
| ST6 | NC38 | 168 (6-5/8) | A | 150.4 ～153.6 | 130 | 588(23-1/2) | |||||||
| B | 144.2 ～147.1 | 114 | |||||||||||
| ST7 | NC38 | 178 (7) | A | 159.4～166.1 | 157 | 685(27) | |||||||
| B | 150.4～157.1 | 135 | |||||||||||
| Model | Connection |
Size of suitable casing | Bearing Area of Plugcm2 | Length mm(in) | |||||||||
| O.D. mm(in) | I.D. mm | ||||||||||||
| ST75 | NC38 | 194(7 5/8) | 168.3 ～177 | 185 | 685(27) | ||||||||
| ST7FS | NC38 | 194(7 5/8) | A | 161.9 ～165.1 | 157 | 685(27) | |||||||
| B | 155.6 ～158.8 | 135 | |||||||||||
| ST9 | NC50 | 245(9 5/8) | A | 224.4～228.6 | 307 | 700(27-1/2) | |||||||
| B | 216.8～222.4 | 286 | |||||||||||
| ST9FS | NC50 | 245(9 5/8) | A | 224.4 ～228.6 | 307 | 700(27-1/2) | |||||||
| B | 216.8 ～222.4 | 286 | |||||||||||
| ST10 | NC50 | 273(10 3/4) | A | 250.2～258.9 | 406 | 752(2-5/8) | |||||||
| B | 242.8～247.9 | 370 | |||||||||||
| ST11 | NC50 | 298(11 3/4) | A | 279.4～281.5 | 490 | 782(30-3/4) | |||||||
| B | 273.6～276.3 | 468 | |||||||||||
| ST12 | NC50 | 324(12 3/4) | A | 299.85～301.85 | 583 | 782(30-3/4) | |||||||
| B | 303.85～305.85 | 602 | |||||||||||
| ST13 | NC50 | 340(13 3/8) | A | 317.9～322.9 | 686 | 782(30-3/4) | |||||||
| B | 311.6～315.3 | 661 | |||||||||||
| ST20 | NC50 | 508(20) | A | 482.6 ～485.7 | 1677 | 990(39) | |||||||
| B | 475.7 | 1601 | |||||||||||