Cameron forged type double ram BOP, with shear bonnets and standard bonnets, is able to shear 5" G105 grade drill pipe. The metallic material temperature class T-20/350, The non-metallic material temperature class is -18℃-121℃ (BAB). The BOP meets API 16A latest standard, meets NACE 0175, H2S resistance. The rams are interchangeable with Cameron's. It is made in China, with short delivery.
Technical Specification of Double Ram BOP with Booster
| Item |
Single ram bop (with booster) |
Double ram BOP (one chamber with booster) |
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| Model | 13 5/8”-5000psi | 13 5/8”-5000psi | ||
| Upper connecting type | Studded | Flanged | Studded | Flanged |
| Lower connecting type | Flanged | Flanged | Flanged | Flanged |
| Weight Kg | 5680 | 5888 | 10371 | 10651 |
| Height H mm | 750 | 960 | 1285 | 1495 |
| Gravity G mm | 490 | 515 | 805 | 830 |
| Performance requirement level | PR2 | |||
| Bore | 346.1 mm (13 5/8″) | |||
| Test pressure of hydro-static pressure | 51.8MPa (7,500psi) | |||
| Rated working pressure | 34.5MPa (5,000psi) | |||
| Hydraulic control system strength pressure | 31.1MPa(4,500psi) | |||
| Hydraulic control system rated working pressure | 20.7MPa(3,000psi) | |||
| Recommended hydraulic control system operation pressure | 8.4～10 .5MPa(1,222～1,518psi) | |||
| Cylinder diameter | 342.9mm(13 1/2″) | |||
| Booster diameter | 250mm(9 7/8″) | |||
| Oil volume required by opening one pair of ram | 41L | |||
| Oil volume required by closing one pair of ram | 43L | |||
| Oil volume required by closing one pair of ram(booster) | 63L | |||
| Interface thread of hydraulic control pipe line | NPT 1 | |||
| Specification of side outlet | 3 1/8″-5,000psi | |||
| Temperature Rating | T-20/250(-29～121℃)(Or subjects to the contract) | |||
| Temperature Grades of Metal Material | T20/250(-29~121℃)( Or subjects to the contract) | |||
| Temperature Grades of Metal Material | BAB(extreme low pressure -18℃, continuous high temperature 66℃, extreme high temperature 93℃) (Or Subjects to the contract) | |||
| Closing Ratio | 10.83:1 | |||
| Closing Ratio(with booster) | 17.4:1 | |||
| Ram size for fitting |
CSO, 2 3/8″, 2 7/8″, 3 1/2″, 4 1/2″, 5″, 5 1/2″, 7″, 9 5/8″, 9 7/8″, 4″,10 3/4″, 7 5/8″, 6 5/8″, 7 1/2″, 2 7/8″～5″, 3 1/2″～5 1/2″, 41/2″～7″, 2 3/8″～3 1/2″, 3 1/2″～5 7/8″, 3 1/2″dual hole, 2 7/8″dual hole, 2 7/8″X3 1/2″dual hole, ordinary shear ram, Sulfur-resistant Shear Ram Note:It can install same type Cameron Ram (except shear ram) |
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Note: The design and manufacturing of BOP are subject to API Spec 16A specification. The parts contacting with well fluid within BOP shall be able to resist hydrogen sulfide stress corrosion and all metallic parts contacting with well fluid meet the requirements of NACE MR-01-75/ISO15156.(except shear ram) |
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The specification and operating parameters of the shear ram
(With no well pressure)
| Item | Drill pipe grade |
Thickness (mm) |
Close pressure of hydraulic system (MPa) | Note |
| 1 | 5″,G-105 Grade | 9.19 | ≥14 | |
| 2 | 5 1/2″,G-105 Grade | 10.54 | ≥17 | |
| 3 | 5 ″,S-135 Grade | 9.19 | ≥16 | |
| 4 | 5 1/2″,S-135 Grade | 9.17 | ≥18 |
Drawings:
