Inside BOP, Inside Blowout Preventer, Inside Blowout Preventers, Drilling Inside BOP

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Inside BOP(Inside Blowout Preventer)
Inside BOP, i.e. inside blowout preventer, is the necessary tool in drilling operations, especially when the blowout occurred, the inside BOP will be connected to drill pipe to help releasing the pressure. Jereh Drilltech provides various inside BOP for with different size from 3-3/8" to 9-1/2".

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Arrow Back Pressure Valve

Float Valve and Float Valve Sub

Cross-Over Sub

Circulating Sub

Lifting Sub

Lifting Cap ( Lifting Bail)

Cup Type Tester

Coring Tool

Thread Type	Inside BOP O.D.(in)	Inside BOP I.D.(in)	Inside BOP Length (in)
2-3/8 IF	3-3/8~3-3/4	1-1/2	26
2-7/8 IF	4-1/8~4-1/4	1-3/4	28~30
3-1/2 IF	4-3/4~5-1/4	2	30~31
4 IF	6-1/4~6-3/4	2-1/2	33~34
4-1/2 IF	6-3/8~7	2-13/16	33~34
5-1/2 FH	7~7-1/2	2-13/16	33~34
6-5/8 REG	8	2-13/16	34
7-5/8 REG	9-1/2	2-13/16	34