Factory of API oil tricone rock drill bits in stock with discounted price
Cone bit is composed by cutting structure,the locking element and oil sealing device,nozzle device more than 20 kinds of parts.
The leg material is 15CrNiMo.One tricone bit has 3 legs.The conematerial is 15CrNi4Mo.The tooth type is include steel tooth and insert tooth.Insert tooth is punchin outside of the cone.IADC117 tricone bit is steel tooth bit ,we also called milled tooth bit.The steel tooth is milled from the cone driectly.The tooth is engage each other.It can break comprehensive rock effectively and without repeated and prevent alveolar mudbag .
Bit tooth shape, size, quantity, depending on the drilled strata hardness, formation is soft, then the teeth larger and more pointed, the fewer quantity.
|
Basical Specification |
|
|
Size of Rock Bit |
14 3/4 inches |
|
374.60 mm |
|
|
Bit Type |
Steel Teeth Tricone Bit |
|
Thread Connection |
7 5/8 API REG PIN |
|
IADC Code |
IADC117G |
|
Bearing Type |
Journal Sealed Bearing with Gauge Protection |
|
Bearing Seal |
Elastomer sealed or Rubber sealed |
|
Heel Protection |
Available |
|
Shirttail Protection |
Available |
|
Circulation Type |
Mud Circulation |
|
Drilling Condition |
Rotary drilling,high temp drilling,deep drilling,motor drilling |
|
Total Teeth Count |
70 |
|
Gage Row Teeth Count |
33 |
|
Number of Gage Rows |
3 |
|
Number of Inner Rows |
5 |
|
Jounal Angle |
33° |
|
Offset |
11 |
|
Operating Parameters |
|
|
WOB (Weight On Bit) |
24,413-70,556 lbs |
|
122-314KN |
|
|
RPM(r/min) |
300~60 |
|
Recommended upper torque |
37.93-43.3KN.M |
|
Formation |
Soft formation of low crushing resistance and high drillability. |