A machined profile in a heavy wall short tubing section that allows a plug to be set and the seal on the plug to effectively isolate the well.
What is a no go nipple?
1. n. [Well Completions] A nipple that incorporates a reduced diameter internal profile that provides a positive indication of seating by preventing the tool or device to be set from passing through the nipple.
What is selective landing nipple?
CAMX Selective Landing Nipple. CAMX landing nipples are fully selective nipples. used to land, lock, and seal Otis®-style X-type lock- ing. mandrels with attached flow control devices in the production tubing string.
What is R nipple?
The model ‘R’ nipple is a bottom No-Go style nipple that provides a tubing lock profile with a honed seal bore to locate wireline flow control devices in tubing string. Blanking plugs, chokes, equalizing check valves and instrument hangers which utilize a ‘Z’ lock may be landed in this type of nipple profile.
What is a lock mandrel?
1. n. [Well Completions] Another term for lock, a downhole device, run and retrieved on slickline, that is placed and anchored within the tubing string to provide a setting point for flow-control equipment such as valves, chokes and plugs.
What is nipple in oil and gas?
In the context of oil extraction and production, a nipple is a tubular pipe which is threaded on both ends, and which is used for connecting pipe joints and other objects or tools.
What is a profile nipple?
The Profile Nipple is designed to allow common slickline plugs and equipment to be placed successfully downhole. API and Premium threads can be cut on the nipples to reduce crossovers. Common profile and sizes are available.
What is a copper nipple?
Standard-Wall Copper-Nickel It is often used in highly-corrosive environments, such as salt water applications. Also known as a close nipple, it is threaded on both ends to the center. Pipe is seamless, which provides a smooth interior for unrestricted flow.
How are lock mandrels locked into nipples *?
XN and RN Landing Nipples and Lock Mandrels: The profile has an angled shoulder instead of the square of the selective types. A “no go” shoulder of an adapter sub made up at the bottom of the lock must make contact with a bore restriction in the “no go” nipple in order to lock the mandrel in the landing nipple.
