He-1 reservoir of Dongsheng Gas Field is a bottom water gas reservoir. Fractures are easy to communicate with the bottom water layer

resulting in rapid bottom water coning and there is no productivity after water flooding of gas wells. It is difficult to get effective production. Combined the research and development of water-consolidated proppant with the secondary sanding and high-pressure fracture control technology

the artificial shelter layer is formed at the bottom of the fracture

which effectively prevents the rise of gas-water interface while controlling the fracture height

improves the gas-water permeability ratio

reduces the flow resistance in the

fracture

delays the water breakthrough cycle of gas wells

and realizes the economic and effective development of tight low permeability bottom water gas reservoirs. The water-contorl secondary sanding fracturing technology has been applied in ten wells of the bottom water gas reservoir in He-1 Member of Dongsheng Gas Field. The construction efficiency is 90 %. Compared with the adjacent wells fractured by the conventional means

the water production of the application wells is increased by 60 %

the liquid-gas ratio is decreased by 31.7 %

and the measured open flow capacity of Well-JP58-A is 20.4×10

4

m

3

/d

which has achieved good water control effect while increase fracturing production.