• <dfn id="nuxhr"><rp id="nuxhr"></rp></dfn>

      

      <object id="nuxhr"><button id="nuxhr"></button></object>
    1. 

      <acronym id="nuxhr"><th id="nuxhr"></th></acronym>
      
探花色,人妻影音先锋啪啪av资源,日韩精品人妻中文字幕,精品国产精品国产偷麻豆,国产精品无码专区av在线播放
,亚洲激情av一区二区三区,亚洲精品综合网二三区,亚洲国产综合性亚洲综合性 
    



      
    
    
      
        
        
        
    
      
    
      

      


    

    
      
        
      
            
      
                    
      
                        
      
                            
      
                                
      Products & services
      
                            
      
                        
      
                    
      
            
      
            
      
        
      
    
      


      
    
      
        
            
      
                
      

      Heavy Weight Drill Pipe(HWDP)
      


      

      

      Product Introduction 
      

      


      

      In the drilling process, HWDP is a transition from a flexible drill pipe to a rigid drill collar. Moreover, it replaces drill collar to reduce friction in horizontal and extended reach wells.
      
• Reduces the stress concentration between the drill pipe and drill collar.
      
• Prevents sticking of drilling tool due to differential pressure.
      
• Reduces friction and torque.
      
• Mitigates the problem of excessive flexion on center wear pad
      
Hilong Drilling Tools is committed to the quality and technological innovation of HWDP. It continues to develop HWDP that meet special environments and drilling conditions.
      

      

      

      

            
      



            
      
                
      

      Hilong HWDP Quality and Performance
      


      

      ·The integral HWDP and welded HWDP are manufactured by quenching and tempering heat treatment process, which ensures that the HWDP body has better impact toughness.
      
Using MES and ERP systems, it can realize comprehensive information management of the entire process from order-to-shipment, including the entire manufacturing process, inspection and test acceptance, and product traceability. 
      
· Pipe body 100% FLUT (longitudinal, transverse, ultrasonic thickness measurement) + Upset end 100% UT or 100% MPI, HWDP tool joints and welding zone 100% UT + 100% MPI.
      
· Options for improving the performance of HWDP: Increased length of tong space for HWDP tool joint, make and break, cold rolling of threads, spiral grooves on center wear pad, internal coating, and hardbanding.
      


      

      

      

            
      

            
      
                
      

      HWDP Product Type
      


      

      ·Integral HWDP and welded HWDP.
      
·Welded HWDP includes standard strength HWDP, high strength HWDP, sour services HWDP, and Hilong premium connection HWDP.
      
·Without spiral groove and with spiral groove.
      

      

      

            
      

            
      
                
      

       HWDP Specification (OD)
      


      

      (a)2 7/8", 3 1/2", 4", 4 1/2", 5", 5 1/2", 5 7/8", 6 5/8";
      
(b)Please refer to Table A.3 or Table 3 for the specifications of commonly used heavy weight drill pipe.
      

      

      

            
      


            
      
                
      

       HWDP Product Standard
      


      

      API Spec 7-1, NS-1, DS-1, Hilong high-strength welded HWDP specification, Hilong sour service HWDP specification.