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:
Standard size code of whipstock
KOYAG-139
KOYAG-140
KOYAG-168/178
KOYAG-245
Nominasl diameter of casing, mm
139
140/146
168/178
245
External diameter of whipstock, mm
112
115
135
200
External diameter of hyudraulical anchor, mm
115
118
138
208
Length of whipstock, mm
2750
2750
3080
4680
Length of hyudrauli-cal anchor, mm
2300
2300
2400
2600
Total length of the tool kit, mm
4960
4960
5480
7164
Shearing force of transportation bolt, tn
9/11
9/11
9/11
15/18
