heavy wall drill pipe

... DTH hammer, the supporting tool system mainly includes a double-. In addition to the through-hole DTH hammer used to achie...

... concrete from soil contamination water filtering and to avoid any possible concrete quality corruption. Tremie are made of quality drawn ste...

...collar material according to SY/T 5146-1997,thick- called integral weight was developed to provided a gradual transitio...

.... There is extra long EU tool joints on the two ends and long EU in the middle part, with the function of collar and pipe. Sin...

Weight 4 1/2inch 41.8 Lb ft NC-46 Connection HWDP is used as a transitional stiffness section, typically between the stiff and rigid ...

... weight is manufactured from AISI 4145H modified material according to API 7-1,thick- called integral weight ...

... quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and connect tightly as a w...

... weight Product Description HWDP Description The Weight is made from one piece of AISI 4145H solid bar, fully heat...

... Weight for DTH Rock Product description: In DTH , the rock bit is a continuation of the shank, which the...

...double or Dual . It consists of two layers of inner and outer s (called inner and outer ). The inner a...

...). An annular gap is formed between the inner and outer , which is a channel for pumping flushing medium to the bottom of the hole during hydr...

... that is used in several applications due to its durability and strength. In this article, we will discuss the material, specification, chemic...

... Weight (NMHWDP) Features: Non-Magnetic Material: Constructed from non-magnetic alloys, typically non-magnetic stainless steel, to ...

... as various impactors and hammer bit API standard, with high torsion resistance , mainly used in the construction of water wells, deep we...

... Stabilizer Lifting Subs For Weight Applications: The three rollers stabilizer is an important tool for oil, gas and geol...

.../Oil Casing /API 5DP by Tantu NC50 API by Tantu Oil & Water Well Flat ...

... as various impactors and hammer bit API standard, with high torsion resistance , mainly used in the construction of water wells, deep we...

1. Weight descriptions: Tianhe's weight & hwdp is made fro AISI 4145h alloy steel according to API spec.7 and SY/T51...