Gold Member Since 2010
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Puyang Zhongshi Group Co., Ltd.

Slotted Casing Pipe, Tubing Pipe, Oil Well Drilling Casing manufacturer / supplier in China, offering Oil Well Drilling Slotted 7 Inch Casing Pipe, Tubing Pipe, API Composite Casing Centralizer, Spiral Polyamide Nylon Rigid Centralizers, Slip-on Solid Body Spiral Roller Rigid Centralizer for Drilling and so on.

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Supplier Homepage Product pipe Oil Well Drilling Slotted 7 Inch Casing Pipe, Tubing Pipe

Oil Well Drilling Slotted 7 Inch Casing Pipe, Tubing Pipe

FOB Price: Get Latest Price
Min. Order: 100 Meters
Port: Qingdao, China
Transport Package: Bundles
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: ZS66
  • Technique: Hot Rolled
  • Surface Treatment: Varnishing
  • Section Shape: Round
  • Origin: Henan
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Pipeline Transport, Oil/Gas Drilling, Mining
  • Trademark: ZS
Product Description
API water well drill pipe,2 7/8" oil well drilling slotted casing pipe
 
API 5DP drill pipe is a kind of steel pipe with screw thread in the pipe end. It is used for connecting ground rig equipment and drill grinding equipment at the bottom of drilling wells. The main purpose of drill pipes is to transport drilling mud to the drill bit. It rises up, lowers and rotates together with the drill bit. Its strength must withstand the pressure, torque, vibration and other forces caused by the drill hole. In the oil and gas exploration and refining process, API 5DP drill pipe can be used for multiple times. ZS provides a number of drill pipes available in various sizes and weights to meet the drilling needs of companies in the oil and gas industry. 
 
Functions of Drill Pipe
API 5DP drill pipe is mainly applied in oil and gas exploration and development, such as in the construction of deep wells, horizontal wells and large-displacement wells. Its main functions are as follows:
Drill pipes deliver torque and drive the drill bit to drill wells.
Exert pressure that can break the rock at the bottom of well on the drill bit.
API 5DP drill pipe transmits flushing fluid. Through the ground high-pressure slush pump or mud pump, drill mud enters into the inner hole of drill string, flows into the bottom of well to wash rock debris and to cool down the drill bit, passes through the annular space between the drill string outer surface and well wall (carrying rock debris), returns to the ground.
 Oil Well Drilling Slotted 7 Inch Casing Pipe, Tubing PipeOil Well Drilling Slotted 7 Inch Casing Pipe, Tubing PipeOil Well Drilling Slotted 7 Inch Casing Pipe, Tubing Pipe
Standard/Material
API5LGr.B,X42~X80;ASTMA252 Gr.2,Gr.3;ASTMA53 Gr.B
SY/T 5037-2000;SY/T5040-2000;GB/T3091-2008: Q235B,Q345B,20#,16Mn;
GB/T9711.1-1997;GB/T9711.2-1999: L245~L555;
EN10217-1,EN10219-1,EN10224 L235,L275,L355;
EN10025 S235JR,S235JO,S235J2,S275JR,S355JR,S355JO,S355J2,S355K2;
DIN 1629 ST37,ST42,ST52 etc.
 
Usage
1.Piling project
2.Heat-supply project
3.Conveying drinking water, drainage, coal gas, fuel gas, mine slurry and other low&middle pressure fluids
4.API5L Ptroleum and natural gas pipeline
5.Chemistry industry
6.Electric power engineering circulating pipe
 
Test 
Eddy Current Inspection, Ultrasonic Inspection, X-ray Inspection, Hydrostatic Test, Spectral Analysis, Water Pressure Test, and Mechanical Property Testing Facilities
 
Specification
GradeYield strength(MPA)Tehsile strength(MPA)Hardness(MAX)
 minmaxminHRCHBW
J55379552517  
K55379552655  
N80552758689  
M6544858658622235
L8055265565523241
C9062172468925.4255
T9565575872425.4255
P110758965862  
Q1258621034931  
R95655758724  
C11075882879330286
 
Lengths:
 Range 1Range 2Range 3
Tubing6.1-7.328.53-9.7511.58-12.80
Casing4.88-7.627.62-10.3610.36-14.63
Pup joint0.5-6
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