The A-seating nipple is a top no-go, reduced-bore, polished-bore nipple. This nipple is often used in Pump and Rod applications, but also when no locking device is required, such as in setting a hydraulic packer with a standing valve. When equalizing standing valves are run, the valve shoulders against the reduced ID of the packing bore and seals in the polished section.
| TUBING | TOOL | SEATING | |
|---|---|---|---|
| THREAD | OD | PROFILE | |
| MM IN |
MM IN |
MM IN |
|
| 60.3 2-3/8 |
66.5 2.62 |
45.2 1.78 |
|
| 73.0 2-7/8 |
79.2 3.12 |
57.9 2.28 |
|
| 88.9 3-1/2 |
95.3 3.75 |
70.6 2.78 |
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