upper locking tube 88 upper positioning ring 122 shouldering on the intermediate housing shoulder limit 125 is also shown fig2 d shows spline housing 68 connected to intermediate housing 85 on its uphole end and carrier sleeve housing 80 on its downhole end this joining may be a threaded connection upper locking tube actuation groove downhole chamfer 105 is located on the inside diameter of upper locking tube 88 and protective sleeve 52 is located inside the spline housing 68 upper locking tube 88 with intermediate housing shoulder limit a 101 is also shown fig2 e shows carrier sleeve housing 80 connected to spline housing 68 on its uphole end and to the u201c wedgelock u201d housing 84 on its downhole end this joining may be a threaded connection carrier sleeve housing 80 contains the connection between upper locking tube 88 and valve body 97 shown also are protective sleeve shoulder limit 51 of protective sleeve 52 to spline housing 68 and a pressure equalization configuration consisting of protective sleeve 52 protective sleeve pressure equalization ports 64 valve body pressure equalization ports 98 carrier housing pressure equalization cavity 91 and valve body pressure equalization seal 100 shown also is protective sleeve actuation groove 54 protective sleeve actuation groove uphole chamfer 56 and protective sleeve actuation groove downhole chamfer 57 valve body split ring 99 is placed on the inside diameter of valve body 97 and may be.