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| Categories | Blowout Preventer BOP |
|---|---|
| Brand Name: | Shenkai |
| Model Number: | 11" |
| Certification: | API 16A |
| Place of Origin: | China |
| MOQ: | 1 set |
| Price: | USD 3000 set |
| Payment Terms: | T/T |
| Supply Ability: | 5 sets per 3 months |
| Delivery Time: | 7 work days |
| Packaging Details: | Iron Case |
| Name: | Shaffer Annular Bop |
| Application: | Oilfield Drilling |
| Rated Working Pressure: | 5000psi |
| Temperature Range for Metallic Materials: | -59℃～+177℃ |
| Temperature Range for Nonmetallic Sealing Materials: | -26℃～+177℃ |
| Performance Requirement: | PR1、PR2 |
| Company Info. |
| Hebei E-valves Petroleum Equipment Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
11 Inch 5000psi Shaffer Annular Bop Oilfield Drilling
What is annular bop
Used in conjunction with the hydraulic control system, the Annular
Bop seals off the annulus of different sizes when pipes are in use
in the hole. An Annular Bop can also seal off the annular space
which is formed by Kelly, coring tool, cables, wire rope etc. and
wellbore when no pipe is in it. When used in conjunction with the
pressure-regulating valve and accumulator, the annular Blowout
Preventer allows snubbing service.
High-grade ram rubber core and side flange sealing can meet extreme
circumstances, such as high and low temperatures or acidic
conditions.
How the annular BOP work
Close – When the hydraulic oil is pumped into the extended port, the element inside will be lifted and squeezed into the pipe/tubular.
Open – On the other hand, if the hydraulic fluid is pumped into the retract port, the element will be pushed down resulting in releasing the tubular.
Annular vs RAM BOP
The annular blowout preventer performs several functions in drilling operations. It seals the annular space between the tubing, casing, and drill pipes. It also helps maintain the seal when the casing, tubing, or drill pipes are out of the drill hole. Unlike RAM blowout preventers, annular BOPs can seal various pipes of different sizes.
shaffer bop specs
Item | Specification for Annular BOP | |||||||||
Size and model | 7 1/16″ -3000psi | 7 1/16″ -5000psi | 9″ -3000psi | 9″ -5000psi | 11″ -3000psi | 11″ -5000psi | 13 5/8″ -3000psi | 13 5/8″ -5000psi | 20 3/4″ -3000psi | 21 1/4″ -5000psi |
mm/in Bore (mm/in.) | 179.4 7 1/16 | 179.4 7 1/16 | 228.6 9 | 228.6 9 | 279.4 11 | 279.4 11 | 346.1 13 5/8 | 346.1 13 5/8 | 527 20 3/4 | 539.8 21 1/4 |
Rated working pressure (MPa/psi) | 21 3,000 | 35 5,000 | 21 3,000 | 35 5,000 | 21 3,000 | 35 5,000 | 21 3,000 | 35 5,000 | 21 3,000 | 35 5,000 |
Hydrostatic pressure testing pressure (MPa/psi) | 42 6,000 | 70 10,000 | 42 6,000 | 70 10,000 | 42 6,000 | 70 10,000 | 42 6,000 | 70 10,000 | 31.5 4,500 | 70 10,000 |
Hydraulic-controlled rated working pressure (MPa/psi) | 21/3,000 | |||||||||
Recommended hydraulic working pressure seal pipe (MPa/psi) | 1,218～1,522psi | |||||||||
Max. working pressure seal well without a pipe in (MPa/psi) | 10.5 1,500 | 17.5 2,500 | 10.5 1,500 | 17.5 2,500 | 10.5 1,500 | 17.5 2,500 | 10.5 1,500 | 17.5 2,500 | 10.5 1,500 | 17.5 2,500 |
Recommended hydraulic working pressure seal well without a pipe in (MPa/psi) | ≤10 .5/1,500 | |||||||||
Open Max. oil volume (L) | 15 | 15 | 22.8 | 33 | 39 | 56 | 69 | 69 | 110 | 181 |
Close Max. oil volume (L) | 21 | 21 | 34 | 42 | 50 | 72 | 94 | 94 | 173 | 241 |
Lift weight by two lifting rings (t) | 16 | 16 | 16 | 25 | 25 | 25 | 32 | 32 | 32 | 64 |
The outlet of hydraulic oil | NPT 1” | |||||||||
Temperature grade of metal | T-20/250(-29℃～121℃) | |||||||||
Temperature grade of non-metal | BAB (-18℃~66℃~93℃) | |||||||||
Medium material contact with well liquid | Per to NACE MR-01-75, meet API 16A 4th Edition Standard | |||||||||
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