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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

 

Drill pipe slip is a kind of handling tools 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 type, B Type, DU type 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, 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 avoids the abrasion and prolongs slips service life.

Type DU Drill Pipe Slips include DU, DUL, SDU. They are with large handling range and light weight. 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.

Drill Pipe Slip Drawing

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Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of API, ISO, GOST, etc.