The Halliburton style CRN Profile Nipple is a non- selective type nipple that is placed at the bottom of the tubing string. The CRN is a non-selective type profile nipple which means it cannot be ran in conjunction with other CRN nipples of the same size, as the plugging equipment cannot pass
through the no-go or restriction in the bottom of the nipple.
The CRN Profile Nipple typically comes with EUE box x pin thread connections but is not limited to this. Special or premium connections are available upon request as well as a wide range of materials for adverse well conditions.
The CRN Profile Nipple is typically used in situations where pressure may exceed the limits of the X line equipment, or in