The Development and Application of the Snubbing Service Technology at Low-pressure Operation of Oil and Gas Wells

Turpan-Hami Oilfield was aimed at low pressure,high gas-liquid ratio,easy-killing operations as so-said abnormal production after well being killed once, and blowout after tripping once,resulting in serious injury and affected stratigraphic oil output of the prominent contradictions.In the field of low pressure oil and gas wells snubbing service operations was done,and a series of tools were developed,and rod pump inspection of snubbing service technology,perforation-Completion integration string technology,Flowing Wells to the pumping operation snubbing service technology were formed,supported by the fishing sand,sand control,anti-gas technologies such as conventional operating,which successfully resolved the formation of pollution and potential risks.Field test and the use in 156 wells achieves better economic and social benefits for other domestic oilfields in Sham Tseng snubbing service,also it provides a good reference for experienced wide applications in the future.