Drill pipe is heavy, seamless pipe which provide rotation for circulating the drilling fluid. The pipe helps the drilling fluid to be pumped back up the annulus. The annulus of an oil well is the space between the casing and the piping or any immediate space between any casing and tubing surrounding it. The Annulus helps in the easy circulation of the fluid in the well. The pipe is subject to axial tension as high torque is required for rotating the down-hole assembly and drilling the fluid and circulating it. All this creates a large amount of stress on the drill pipe; hence the OCTG pipe should be extremely strong.
Drill Pipe Size:
OD: 60.32mm-168.28mm
WT: 6.45-12.7mm
LENGTH: R1, R2, R3
Heavy Weigh
2-3/8" to 6-5/8" OD, Range 2 and 3
Grades: E75, X95, G105, S135
Connection threads:NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.
Pipe Standard: API 5DP E75, X95, G105, S135
Upset Style:IU, EU, IEU
The wear-resistant belt of tool joint:TK34,TC2000, Arnco 100XT, 200XT, 300XT400XT
Internal coating drill pipe:TK34,DPC,TC2000,TC3000
Connection:NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.
USAGE:Mine blasting,water well drilling,geothermal wells drilling, fore poling,cooal and nonferrous metal mining projects etc;
Application: Drill pipe is for exploration and development of oil and gas wells.
More products can be produced, please contact us
High Strength Drill Pipe
Thick Wall Drill Pipe
Sour Service Drill Pipe
Horizontal Directional Drill Pipe
Heavy Weight Drill Pipe:
Drill Stem Accessories:
Note: EU— external upset; IU— internal upset; IEU—internal & external upset.
Dimension Tolerances
Tolerance |
||
Drill-pipe-body Outside Diameter |
Pipe body
|
D≤101.60mm,±0.79mm |
D≥114.30mm,+1.0%, -0.5%D |
||
Drill-pipe-body behind the Meu |
D≥60.32~≤88.90mm,+2.38%, -0.79%D |
|
D>88.90~≤127.00mm,+2.78mm, -0.75%D |
||
D>127.00~≤168.28mm,+3.18mm,-0.75%D |
||
Wall Thickness |
0, -12.5%t |
Chemical Composition, Mass Fraction(%)
Mechanical Properties
Remarks: k—constant, equal to 1944 (62500); A—cross-sectional area of tensile specimen, mm2(in2); Udp—specified minimum tensile strength, MPa(Ib/in2)
High Strength Drill Pipe
Besides the common 2"-10" API drill pipe, CSC also manufacture high strength drill pipe, like Z-140 and V-150, the performances as below,
Thick Wall Drill Pipe
the thick-wall drill pipe like below
Sour Service Drill Pipe
SS Drill Pipe Body Mechanical Performance
SS drill pipe tool joint mechanical performance
If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!
Note: EU— external upset; IU— internal upset; IEU—internal & external upset.
Dimension Tolerances
Tolerance |
||
Drill-pipe-body Outside Diameter |
Pipe body
|
D≤101.60mm,±0.79mm |
D≥114.30mm,+1.0%, -0.5%D |
||
Drill-pipe-body behind the Meu |
D≥60.32~≤88.90mm,+2.38%, -0.79%D |
|
D>88.90~≤127.00mm,+2.78mm, -0.75%D |
||
D>127.00~≤168.28mm,+3.18mm,-0.75%D |
||
Wall Thickness |
0, -12.5%t |
Chemical Composition, Mass Fraction(%)
Mechanical Properties
Remarks: k—constant, equal to 1944 (62500); A—cross-sectional area of tensile specimen, mm2(in2); Udp—specified minimum tensile strength, MPa(Ib/in2)
High Strength Drill Pipe
Besides the common 2"-10" API drill pipe, CSC also manufacture high strength drill pipe, like Z-140 and V-150, the performances as below,
Thick Wall Drill Pipe
the thick-wall drill pipe like below
Sour Service Drill Pipe
SS Drill Pipe Body Mechanical Performance
SS drill pipe tool joint mechanical performance
If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!