Drill Pipe Slip

Features:

  1. Suitable for shallow hole drilling, medium depth drilling and deep drilling.
  2. 100% customer satisfaction for Quality and Reliability.
  3. After machining all slipsundergo 100% inspection.
  4. Different types for clients’choice for different depth well and different size drill pipe.

Description

The drill pipe slip is a kind of handling tool specially used to handle drill pipe during the oil well drilling operations for the exploration of petroleum and natural gas. It is an essential tool for coupling and uncoupling.

There are SD types, B Types, and DU types, especially for drill pipe slips.

Type SD Drill Pipe Slips cab handle drill pipes from 2 3/8 to 7 in (60.3 to 177.8mm).

According to gripping length, SD slips are classified as Type Short (SDS) for shallow hole drilling, Medium (SDML) for medium depth drilling, and Extra Long (SDXL) for deep drilling.                                       

Type B Drill Pipe Slips consist of B Short, B Long, and X Long. The unique torque transmitting design can directly transfer all torque to the slips, thus avoiding abrasion and prolonging slips’ service life.  

Type DU Drill Pipe Slips include DU, DUL, and SDU. They are with large handling range and are lightweight. SDU slips have larger contacting areas on the taper and higher resistance strength.

All drill pipe slips are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.   

Specifications:

SD Type Drill Pipe Slip / Rotary Slip

Model Slip Body size(in) 3-1/2 4-1/2 5 Rated Load
SDS Drill Pipe Size in 2-3/8 2-7/8 3-1/2 3-1/2 4 4-1/2 4 4-1/2 5 75T
mm 60.3 73.0 88.9 88.9 101.6 114.3 101.6 114.3 127
SDML Drill Pipe Size in 2-3/8 2-7/8 3-1/2 3-1/2 4 4-1/2 4 4-1/2 5 125T
mm 60.3 73.0 88.9 88.9 101.6 114.3 101.6 114.3 127
SDXL Drill Pipe Size in - - - 3-1/2 4 4-1/2 4 4-1/2 5 250T
mm - - - 88.9 101.6 114.3 101.6 114.3 127
Model Slip Body size(in) 5-1/2 5-7/8 7 Rated Load
SDS Drill Pipe Size in - - - - - - - - -
mm - - - - - - - - -
SDML Drill Pipe Size in 4-1/2 5 5-1/2 - - - - - - 125T
mm 114.3 127 139.7 - - - - - -
SDXL Drill Pipe Size in 4-1/2 5 5-1/2 - 5-3/4 5-7/8 - 6-5/8 7 250T
mm 114.3 127 139.7 - 146.05 149.2 - 168.3 177.8

B Type Drill Pipe Slip / Rotary Slip 

Model Size of Slip Bodies 4.1/2 5.1/2 Depth of Well (feet)
B Short DP OD in 2-3/8 2-7/8 3-1/2 4 4-1/2 - - - - 8000
mm 60.3 73.0 88.9 101.6 114.3 - - - -
B Long DP OD in 2-3/8 2-7/8 3-1/2 4 4-1/2 4 4-1/2 5 5-1/2 18000
mm 60.3 73.0 88.9 101.6 114.3 101.6 114.3 127 139.7
Model Size of Slip Bodies 4-1/2 5 Depth of Well (feet)
X Long DP OD in - - 3-1/2 4 4-1/2 4 4-1/2 5 - 28500
mm - - 88.9 101.6 114.3 101.6 114.3 127 -

DU Type Drill Pipe Slip / Rotary Slip

Model Size of Slip Bodies 4-1/2 5-1/2 7
DU DP OD in 2-3/8 2-7/8 3-1/2 4 4-1/2 3-1/2 4 4-1/2 5 5-1/2 4-1/2 5 5-1/2 6-5/8 7
mm 60.3 73.0 88.9 101.6 114.3 88.9 101.6 114.3 127 139.7 114.3 127 139.7 168.3 177.8
DUL DP OD in 2-3/8 2-7/8 3-1/2 4 4-1/2 3-1/2 4 4-1/2 5 5-1/2 4-1/2 5 5-1/2 6-5/8 7
mm 60.3 73.0 88.9 101.6 114.3 88.9 101.6 114.3 127 139.7 114.3 127 139.7 168.3 177.8
SDU DP OD in - - - - - - 4 4-1/2 5 5-1/2 4-1/2 5 5-1/2 6-5/8 7
mm - - - - - - 101.6 114.3 127 139.7 114.3 127 139.7 168.3 177.8

Drawing

Drawing

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