A Chinese International Economic and Technical Cooperation Co. would like to purchase the sued drilling pipes from U.S. with the specifications requested as follows:

Material:

         J105 or S135

Technical Specifications:

1. Diameter 88.9mm
2. 88.9mmx9.35mm(thickness)x9.6m(length)
3. Length of thread; at least more than 16 threads. The shoulder for the thread connecting box-up with 90 degrees angle plane and wearing and damage range: +5%
4. Only one time used drilling pipes of right handed thread and rough thread
5. Copper-plated thread. The length of subs connecting pin-down should be more than 200mm. The diameter of subs over 118mm
6. Thread should be wide and smooth with damge of +5%
7. Body of the pipes should be clean and smooth with erosion, blurs and freaks of 5%
8. Body of the pipes should be straight without any warping and blocking in the drilling fluid holes

Packing:

the thread of the pipes should be greased and wrapped with plastic films

If there are any U.S. companies interested in this information, please contact Cindy-Ling Wangdirectly.