What is a pup joints?

PetroWiki. A short section of casing or tubing used as a depth identifier to a collar locator log or used at the top of the well when spacing out a string prior to hanging the string.

What is the purpose of a pup joint?

A pup joint is a short casing or tubing used for handling production tubing assemblies and for spacing out full length tubing and casing strings. Pup joints are also known as saver sub, spacer and pup.

What is a drill pipe pup joint?

Pup joints are non-standard lengths of piping used to adjust the height of full length tubing, drill pipe, line pipe, or casing strings. Strings of pipe are assembled with standard length tubular goods that are typically 31 feet in length.

How long is a pup joint?

OCTG – Pup Joint

What is OCTG?

The term Oil Country Tubular Goods describes tubes that are used in oil and gas production: As a rule these include drill pipe, casing and tubing. Oil Country Tubular Goods are used both onshore and offshore. In the industry, they are also referred to by the acronym OCTG (for “Oil Country Tubular Goods”).

How long is a joint of tubing?

around 30 ft
A single length of the pipe that is assembled to provide a conduit through which the oil or gas will be produced from a wellbore. Tubing joints are generally around 30 ft [9 m] long with a thread connection on each end.

What is NPST pipe?

NPST(none-pressure seal thread) Pup joints Flow line Pipe with weco hammer wing union are often used in the oilfield as high pressure well servicing lines, fracturing lines, well testing lines, well cementing and circulating lines, discharge lines, auxiliary flow lines, choke-and-kill lines and other well service and …

What is OCTG coupling?

API Coupling, also known as OCTG coupling, refers to the steel couplings that used in connecting casing pipes and tubing pipes. Different casing pipes and tubing pipes need different types of couplings to connect.

How long is a joint good for?

How long does it stay fresh? When stored properly (more on this later), dried cannabis keeps for 6 months to 1 year. Over time, it begins to lose its aroma and potency.

Is NPS the same as NPT?

Both NPT and NPS have the same thread angle, shape, and pitch (threads per inch). However, NPT threads are tapered and NPS threads are straight (parallel). Both threads have a 60° included angle and have flat peaks and valleys. While NPT and NPS threads will engage, they do not seal properly with each other.

Is NPS the same as Npsm?

NPSM is sometimes also known as NPS. Threaded pipes such as NPT seal tightly and are used to move liquids and gases. NPSM is not typically used to transport water or gases without an O-ring. Instead, they are used as structural pipes unless a sealer like an O-ring or tape is applied.

What are PUP joints and what do they do?

Pup Joints Information. Pup joints are non-standard lengths of piping used to adjust the height of full length tubing, drill pipe, line pipe, or casing strings.

What are the API specs for PUP joints?

API Spec 5CT – This Standard specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). The requirements for PSL-1 are the basis of this Standard.

How big is a standard tubing PUP joint?

Tubing Pup Joints: Sizes: 2 ⅜” – 4 ½”. Weight: Standard or Requested Weights. Typical Lengths: 1, 2, 3, 4, 6, 8, 10, 12’ (other lengths available upon request) Grades: J-55, N-80, L-80, P-110.

How is a pup joint designed in NPST?

The design of the NPST pup joint takes end connections and attaches them to threaded pipe. The quality of these parts is critical to form and function. Our process is designed for a seamless integration between pipe and union.