Description
Shearing Глухая плашка
A blowout preventer (ПВО) closing element fitted with hardened tool steel blades designed to cut the drillpipe or tubing when the ПВО is closed, and then fully close to provide isolation or sealing of the wellbore.
A shear ram is normally used as a last resort to regain pressure control of a well that is flowing.
Once the pipe is cut (or sheared) by the shear rams, it is usually left hanging in the ПВО stack, and kill operations become more difficult. The joint of drillpipe or tubing is destroyed in the process, but the rest of the string is unharmed by the operation of shear rams.
Photo:
Specification:
| Description and Item Number | |||||
|---|---|---|---|---|---|
| ПВО Bore Size and Working Pressure | 1 Верхний Ram Subassy |
2 Корпус* |
3 Blade Пакер* |
4 Side Пакер* |
5 Side Пакер* |
| 7-1/16″ 5,000, 10,000, 15,000 psi | 046792-01-00-03 | 046210-01-00-04 | / | 2010873-02 | 2010873-01 |
| 11″ 5,000, 10,000 psi | 049392-01-00-02 | 049009-01-00-02 | 046910-04-00-01 | 046751-04-00-01 | 046752-04-00-01 |
| 11″ 15,000 psi | 2245650-41 | 2245649-41 | 2010460-07 | 2040461-07 | |
| 13-5/8″ 5,000, 10,000 psi | 046748-01-00-01 | 046749-01-00-01 | 644435-01-00-01 | 046751-01-00-02 | 046752-01-00-02 |
| 13-5/8″ 15,000 psi | 614004-01-00-02 | 2010291-01 | 046751-05-00-01 | 046752-05-00-01 | |
| 16-3/4″ 5,000 psi | 046766-01-00-01 | 049006-01-00-01 | 046910-03-00-01 | 046751-03-00-01 | 046752-03-00-01 |
| 16-3/4″ 10,000 psi | 046773-01-00-01 | 046774-01-00-01 | 046751-03-00-01 | ||
| 18-3/4″ 10,000 psi | 2010704-01 | 2010702-01 | 2010192-01 | 2010191-01 | 2010190-01 |
| 20-3/4″ 3,000 psi | 046783-01-00-02 | 046784-01-00-02 | 615235-01-00-02 | 615235-01-00-02 | |
| 21-1/4″ 2000 psi | 046783-01-00-02 | 046784-01-00-02 | 615235-01-00-02 | ||
| 21-1/4″ 5,000 psi ** | 049983-01-00-01 | 049981-01-00-01 | 046910-05-00-01 | 046751-06-00-01 | 046752-06-00-01 |
| 21-1/4″ 7500 & 10,000 psi | 046788-01-00-01 | 049012-01-00-01 | 046751-06-00-01 | ||
| Description and Item Number | |||||
| ПВО Bore Size and Working Pressure | 6 Нижний Ram Subassy |
7 Корпус |
8 Side Пакер |
9 Side Пакер |
10 Top Уплотнение (2 Required) |
| 7-1/16″ 5,000, 10,000 & 15,000 psi | 046792-02-00-03 | 046212-01-00-04 | 2010872-01 | / | 644214-01-00-01 |
| 11″ 5,000 & 10,000 psi | 049392-02-00-02 | 049010-01-00-02 | 046751-04-00-01 | 046752-04-00-01 | 644217-01-00-01 |
| 11″ 15,000 psi ** | 2245650-40 | 2245649-40 | 2010461-07 | 2010461-07 | 2010453-01 |
| 13-5/8″ 5,000 & 10,000 psi | 046748-02-00-01 | 046750-01-00-01 | 046751-01-00-02 | 046752-01-00-02 | 644223-01-00-01 |
| 13-5/8″ 15,000 psi | 614004-02-00-02 | 2010292-01 | 046751-05-00-01 | 046752-05-00-01 | 644226-01-00-01 |
| 16-3/4″ 5,000 psi | 046766-02-00-01 | 049007-01-00-01 | 046751-03-00-01 | 046752-03-00-01 | 644229-01-00-01 |
| 16-3/4″ 10,000 psi | 046773-02-00-01 | 046775-01-00-01 | 046751-03-00-01 | 046752-03-00-01 | 644229-01-00-01 |
| 18-3/4″ 10,000 psi ** | 2010703-01 | 2010701-01 | 2010191-01 | 2010190-01 | 2010193-01 |
| 20-3/4″ 3,000 psi | 046783-02-00-02 | 046785-01-00-02 | 615247-01-00-02 | 615247-02-00-02 | 2163621-01 |
| 21-1/4″ 2,000 psi | 046783-02-00-02 | 046785-01-00-02 | 615247-01-00-02 | 615247-02-00-02 | 2163621-01 |
| 21-1/4″ 5,000 psi ** | 049983-02-00-01 | 049982-01-00-01 | 046751-06-00-01 | 046752-06-00-01 | 645478-01-00-01 |
| 21-1/4″ 7,500 & 10,000 psi | 046788-02-00-01 | 049011-01-00-01 | 046751-06-00-01 | 046752-06-00-01 | 645478-01-00-01 |
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