Special Stabilizer with Reamer and Back-reamer Roller
Special stabilizer with reamer and back-reamer is an important tool in the drilling engineering to prevent well deviation. Apply to stabilize drilling tools in the drilling process of oil gas and geological exploration.It can increase bit life,drilling speed and well quality.There are several cutting teeth special fixed at both ends of the blades. In this way, this stabilizer is cutting bidirectional when drilling and pulling out to achieve the effect of repairing and maintaining the wall of a well,making trajectory of well bore as possible as ideal condition, even preventing the phenomenon of dogleg .Especially when pull out, it always hard to pull out of the hole, because of hole shrinkage etc. At this moment the cutting function of back-reamer could eliminate hole shrikage phenomenon thus to save time and costs for drilling
Specification
Model | Hole Size | Upper | Lower | Fishing | Fishing Neck | lID | Blade Axial | Blade | Teeth | 0AL |
HY444 | 444.5(17 1/2) | 7 5/8REG | 7 5/8REG | 228.6(9) | 700(27 9/16) | 76.2(3) | 121(4 3/4) | 460(18 7/64) | 18 or 30 | 2200(86 39/64) |
HY311 | 311(12 1/4) | 6 5/8REG | 6 5/8REG | 203.2(8) | 500(19 11/16) | 71.4(2 13/16) | 75(2 61/64) | 460(18 7/64) | 18 or 30 | 1800(70 7/8) |
HY216 | 215.9(8 1/2) | NC50 | NC50 | 165.1(6 1/2) | 550(21 21/32) | 57.2(2 1/4) | 60(2 3/8) | 460(18 7/64) | 18 or 30 | 1720(67 23/32) |
HY152 | 152.4(6) | NC38 | NC38 | 120.7(4 3/4) | 550(21 21/32) | 50.8(2) | 50.8(2) | 300(11 13/16) | 18 or 30 | 1600(63) |
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