APPLICATION AND DEVELOPMENT OF CABLE WELLHEAD OUTLET EQUIPMENT IN GAS WELL

Cable wellhead outlet equipment is the key equipment to develop the permanent downhole pressure temperature monitoring technology.The cable wellhead outlet has two methods,one is from the top of the tubing hanger,the other is down.Generally,the armored cable is passed out from the down of the tubing hanger and casing,the tubing hanger and wellhead needn't be modified.In order to realize the reliable cable wellhead outlet,a new cable wellhead outlet equipment was developed which inner structure is ceramic cuttage grafting.The equipment has features of easy operation,good sealing property and insulating property.