Whipstock with hydraulic anchoring without bottomhole support KOYAG
The whipstock with a hydraulic anchor is designed for casing exit through one or multiple casings. The whipstock system - comprising a starting mill (SM) and a watermelon mill (WM) - enables whipstock setting, casing exit and rathole drilling in a single trip. The whipstock is hydraulically set without cement bridge or packer plug.
Characteristics:
|
Designation |
Nominal casing dia., mm |
Whipstock OD, mm |
Hydraulic anchor OD, mm |
Whipstock length, mm |
Hydraulic anchor length, mm |
Total length, mm |
Shearing force of the transportation bolt, tn
|
|
KOYAG-139 |
139 |
112 |
115 |
2750 |
2300 |
4960 |
9÷11 |
|
KOYAG-146 |
140/146 |
115 |
118 |
2750 |
2300 |
4960 |
9÷11 |
|
KOYAG-168/178 |
168/178 |
135 |
138 |
3080 |
2400 |
5480 |
9÷11 |
|
KOYAG-245 |
245 |
200 |
208 |
4680 |
2600 |
7164 |
15÷18 |
