Master Casing Bushing
Master casing bushing selection chart
Size | MPCH | MSPC | MSP/MDSP | |||
Complete | Body Only | Complete | Body Only | Complete | ||
API Standard | 27 1/2 | - | - | 1804-1 | 1808-1 | 5429-1 |
EMSCO | T-2750 | - | - | 1804-1 | 1808-1 | 5429-1 |
G-27 1/2 | - | - | 1804-5 | 1808-5 | 5429-5 | |
H-27 1/2 | - | - | 1804-2 | 1808-2 | 5429-2 | |
K-27 1/2, KS, P1 | - | - | 1804-3 | 1808-3 | 5429-3 | |
T-3750 (S/N 1-48) | 6600-2A | 6601-2A | - | - | - | |
T-3750/4950 (49 /UP) | 6600-2 | 6601-2 | - | - | - | |
Garnder Denver | RT 27 1/2 | - | 1804-1 | 1808-1 | 5419-1 | |
RT 37 1/2 | 6600-7 | 6601-7 | - | - | - | |
IDECO | 27 1/2 | - | - | 1804-7 | 1808-7 | 5429-7 |
37 1/2 | 6600-4 | 6601-4 | - | - | - | |
National | MS 27 1/2, A & B 27 1/2 | - | - | 1804-5 | 1808-5 | 5429-5 |
C-365 | 6600-5 | 6601-5 | - | - | - | |
C-375 | 6600-1 | 6601-1 | - | - | - | |
Oilwell | A-27 1/2 | - | - | 1804-1 | 1808-1 | 5429-1 |
A-37 1/2 | 6600-3 | 6601-3 | - | - | - | |
Wirth | 27 1/2 | - | - | 1804-1 | 1808-1 | 5429-1 |
37 1/2 | 6600-3 | 6601-3 | - | - | - |
MPCH Casing Bushing
The 37 1/2" MPCH is a Pin Drive Hinged Master Bushing specially designed for floating and semi-submersible drilling operations.With insert bowl No. 3 and optional insert bowls No. 1 and No. 2, the MPCH will handle tubulars from 2 3/8" to 13 3/8" OD. Unit comes complete with No. 3 insert bowl, bit breaker adapter plate and lifting sling.
For use with Rotary Table
table sizes | w/No.3 Bowl, sling & BB Adapter | w/o No.3 Bowl, sling & BB Adapter | |||||
P/N | Weight | P/N | Weight | ||||
lb | kg | lb | kg | ||||
EMSCO | 37 1/2 (S/N 1-48) | 6600-2A | 4325 | 1962 | 6601-2A | 3325 | 1508 |
37 1/2 (S/N 49 up 49 1/2) | 6600-2 | 4149 | 1882 | 6601-2 | 3149 | 1428 | |
Oilwell | 37 1/2 to 49 1/2 | 6600-3 | 4245 | 1925 | 6601-3 | 3245 | 1472 |
IDECO | 37 1/2 | 6600-4 | 4015 | 1821 | 6601-4 | 3015 | 1367 |
National | 36 1/2 | 6600-5 | 3910 | 1773 | 6601-55 | 2905 | 1318 |
37 1/2 to 49 1/2 | 6600-1 | 4029 | 1827 | 6601-1 | 3029 | 1374 | |
Wirth | 37 1/2 to 49 1/2 | 6600-6 | 4245 | 1925 | 6601-6 | 3245 | 1472 |
MDSP Casing Bushing
17-1/2" and 20-1/2" Medium Duty Pin Drive Split Master Bushing are designed for shal low to medium depth service. Extended API Taper The MDSP Master Bushings have an extended APT taper in the bowls that provides 50 % more slip support than do square drive bushings. Varco SDML slips, used in the MDSP master bushing are a proven combination that can handle drilling to 15,000 feet.
Note : Varco BJ does not recommend using split master bushings in rotary tables with more than 3/16" (5 mm) wear in the rotary table bore. Rebuild rotary bore or purchase a solid type bushing. Units come complete with bit breaker, adapter plate and lifting sling.
MPCH Parts
Rotary Table sizes | w/sling & BB Adapter | w/o Sling & BB Adapter | |||||
P/N | weight | P/N | weight | ||||
lb | kg | lb | kg | ||||
API | 17 1/2 | 70517-1 | 737 | 334 | 70526-1 | 577 | 262 |
20 1/2 | 70540-1 | 1100 | 499 | 70539-1 | 924 | 419 | |
Bethlehem | 17 1/2 | 70527-2 | 737 | 334 | 70526-2 | 577 | 262 |
B175 | 70527-3 | 737 | 334 | 70526-3 | 577 | 262 | |
B-210 (5-in flange) | 70540-2 | 1100 | 449 | 70539-2 | 924 | 419 | |
B-210 ( 5 1/2 in flange) | 70540-3 | 1100 | 449 | 70539-2 | 924 | 419 | |
Brewster | OB-18 & RSH-18 | 70527-4 | 737 | 334 | 70526-4 | 577 | 262 |
Continenal | T1750 | 70527-1 | 737 | 334 | 70526-1 | 577 | 262 |
Emsco | L-17 | 70527-5 | 737 | 334 | 70526-5 | 577 | 262 |
O-17 1/2 & P-17 1/2 | 70527-6 | 737 | 334 | 70526-6 | 577 | 262 | |
T2050 | 70540-4 | 1100 | 449 | 70539-4 | 924 | 419 | |
20 1/2, O, P, PJ, J, JA, JC, JAC, JACS, JAS, JCS, & JS | 70540-5 | 1100 | 449 | 70539-5 | 924 | 419 | |
Gardner Denver | 20 1/2, JAB, JABS, JB, & JBS | 70540-6 | 1100 | 449 | 70539-6 | 924 | 419 |
RT- 17 1/2 | 70527-1 | 737 | 334 | 70526-1 | 577 | 262 | |
Haniel & Lueg | L- 17 1/2 | 70527-1 | 737 | 334 | 70526-1 | 577 | 262 |
Ideco | 17 1/4 | 70527-7 | 737 | 334 | 70426-7 | 577 | 262 |
17 1/2 & HS-175 | 70527-8 | 737 | 334 | 70526-8 | 577 | 262 | |
20 1/2 | 70540-1 | 1100 | 449 | 70539-1 | 924 | 419 | |
National | 17 1/2, A175, & B-175 | 70527-9 | 737 | 334 | 70526-9 | 577 | 262 |
A205 & 20 1/2 | 70540-4 | 1100 | 449 | 70539-4 | 924 | 419 | |
Oilwell | A 17 1/2 | 70527-10 | 737 | 334 | 70526-10 | 577 | 262 |
17 1/2 | 70527-11 | 737 | 334 | 70526-11 | 577 | 262 | |
A 20 1/2 | 70540-4 | 1100 | 449 | 70539-3 | 924 | 419 | |
20 1/2 | 70540-7 | 1100 | 449 | 70539-7 | 924 | 419 | |
21 & 21 A | 70540-8 | 1100 | 449 | 70539-8 | 924 | 419 |