... (5-6in)Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas ... 150215,000/1034Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas ... 200220,000/1379Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas ...