API Standard Cementing Tools Hydraulic/Mechanical Stage Cementing Collar, Multi Stage Cementing Collar
This page is going to clarify one of them : Hydraulic stage collar
Hydraulic collar advantage and features
1-It can only manufactured by SWS in domestic china as one unique tech.
2- It can be used in horizontal and highly deviated well bores and applications where opening of the stage collar after displacement of the first
stage cementing is required.
3-The opening pressure can be changed to allow opening of the tool through a wide range of pressures.
4-The opening free fall trip device is optionally available for use if the stage collar is opened mechanically
5- When premium thread are using DRK , we recommend to use a landing collar to receive the 1st stage latch down wiper plug.
size | weight range | maximum od | maximum drill out id | overall length | in(mm) | lb/ft(wall mm) | in(mm) | in(mm) | in(mm) | 4-1/2(114.3) | 9.5 to11.6(5.2 to 6.35) /11.6 to 15.1(6.35 to 8.56) | 5.562(141.3) | 3.975(101.0)/3.890(98.80) | 25.0(635) | 5-1/2(139.7) | 14.0(5.69)/15.5 to 17.0(6.99 to 7.72)/ 17.0 to 23.0(7.72 to 10.54) | 6.63(168.4) | 4.897(124.4)/4.835(122.8)/4.77(121.3) | 25.2(641) | 6-5/8(168.3) | 17.0(6.22)/24.0 to 32.0 (8.94 to 12.07) | 7.88(200) | 6.0(152.0)/5.625(142.8) | 26(662) | 7(177.8) | 23.0 to 26.0 (8.05 to 9.19)/26.0 to 32.0(9.19 to 11.51) | 8.15(207) | 6.251(158.7)/6.161(156.5) | 26(662) | - | - | - | - | - | 9-5/8(244.5) | 32.3 to 40.0(48.1 to 59.5)/40.0 to 47.0(59.5 to 69.9)/43.5 to 53.5(64.7 to 79.6) | 11.25(282.6) | 8.855(224.9)/8.689(220.7)/8.609(218.7) | 28.9(732) | 10-3/4(273.1) | 32.75 to 40.5(48.1 to 59.5)/40.0 to 47.0(59.5 to 69.9)/43.5 to 53.5(64.7 to 79.6) | 12.0(305.0) | 8.855(224.9)/8.689(220.7)/8.609(218.7) | 30(761) | 13-3/8 (340) | 61.0to 72.0(90.78 to 107.15) | 15(381) | 12.25(311.1) | 35.13(892.3) | | | | | | |
