Oil Testing Shaffer Type Double Ram Bop API Standard
The Blowout Preventer (BOP) is installed in the well for oil testing, workover, well completion, and operating processes to prevent blowout accidents. It combines the functions of being totally enclosed and semi-closed, and is easy to operate due to its simple structure. With its ability to withstand high-pressure situations, this BOP is implemented for safety in sealing oilfield wellheads.
Double Ram Bop Specifications
| Model |
Gals to Open (1 set) |
Gals to Close (1 set) |
Closing Ratio | Assembly Dimension (in) | Approx Weight(lb) | ||||||
| Length (L) | Width (W) | Height (H) | |||||||||
| Flg×Flg | Std×Std | Flg×Std | Flg×Flg | Std×Std | Flg×Std | ||||||
| 4 1/16″-20,000psi(Single RS-FS) | 1.10 | 1.13 | 10.1 | 70.71 | 26.97 | 33.27 | 18.11 | 23.82 | 3491 | 3147 | 3319 |
| 4 1/16″-20,000psi(Double RS-FS) | 1.10 | 1.13 | 10.1 | 70.71 | 26.97 | 46.30 | 31.14 | 36.85 | 5742 | 5398 | 5570 |
| 7 1/16″-20,000psi(Single RS-FS) | 7.05 | 7.26 | 13.7 | 112.05 | 38.27 | 48.03 | 24.02 | 35.83 | 10891 | 8951 | 9921 |
| 7 1/16″-20,000psi(Double RS-FS) | 7.05 | 7.26 | 13.7 | 112.05 | 38.27 | 70.87 | 47.24 | 59.06 | 19826 | 17886 | 18812 |
| 11″-20,000psi(Single RS-FS) | 42.90 | 44.8 | 13.2 | 137.40 | 47.87 | 62.60 | 32.68 | 47.64 | 24030 | 19335 | 21682 |
| 11″-20,000psi(Double RS-FS) | 42.9 | 44.8 | 13.2 | 137.40 | 47.87 | 90.55 | 60.63 | 75.59 | 41987 | 37291 | 39639 |
| 18 3/4″-20,000psi(Double RS-FS) | 122 | 133 | 10.6 | 183.46 | 66.69 | / | / | 94.13 | / | / | 87083 |
Features of Double Ram Bop
1) Shape Generally, the BOP body is similar to a square, in the middle there is vertical bore through which the pipes
can pass and the ram cavities in which the ram move in the horizontal direction.
2)Connection types The three connection types are studded, flange, clamped top and bottom connections. The sizes of flanges, bolts, clamps and ring grooves all conform to API standards.
