Shaanxi TEFICO Petroleum Mechanical and Electric New Technology Co.,Ltd (TEFICO) provide oil & gas field engineering services and supply special equipment with international standards to this industry.

　　Presently, TEFICO provides its clients with services relating to：

　　　　 Casing running　　　　　　　　　　　Directional drilling　　　　　　　　Sales for rig, BOP, spare parts

 　　　　Wire-line logging and perforating　　　 Repair for drilling jar, motor　　　　Repair for top drive

 　　　　Sales for drilling down-hole equipment　　　　　　　　　　Inspection for casing、pipe、sub、drilling rig

● Casing Running Services 
  Tefico company possesses the ability to guarantee casing running service of 60 drilling crews. The construction area stretches across Shaanxi province, Gansu province, Ningxia province and Inner Mongolia. After several years of development, the company has talent team of casing technical service, equipment and technical merit suitable for different strata, various oil and gas. The company is one of the outstanding companies with the ability of casing technology service in China as well as Asia.

  Casing running service of our company began from 2008. By the end of 2013, the company has accumulated 523 casing running wells of oil and gas casing. Now the company has professional casing running personals, among whom includes one engineer and one technician. We have 6 teams of casing running service so we can provide services to 6 drilling crews simultaneously. The main services are provided for oil and gas drilling crew casing running service of Changqing oil field, North China branch of SINOPEC, Yanchang oil field.

Dimensions and specifications of casing pipe once used in casing running service:

Carbon steel casing pipe: 20＂、13－3／8＂、10－3／4＂、9－5／8＂、7＂、 5－1／2＂、4－1／2＂

Carbon steel oil pipe: 4－1／2＂、3－1／2＂、2－7／8＂

13Cr oil pipe: 4－1／2＂、3－1／2

Specifications of casing pipe thread once used in casing running service:

CSG、LCSG、BCSG、3SB、SEC、VAGT、FOX、NS-CC、TP－CQ、VAM-TOP.