I. Product overview
A pup joint is a pipe of non-standard length used to adjust the
length of tubular strings to its exact requirement.
API casing and tubing pup joints are manufactured according to API
Spec 5CT using prime API monogrammed, seamless oil country tubing.
Tubing Pup joint used to connect or adjust the length of the tubing
string in oil and gas wells. Itis usually shorter than a standard
tubing (single) and has a length of 0.5m~3m. It has
thecharacteristics of high strength, corrosion resistance, and good
sealing.
Mainly used for:
-Adjust the length of the tubing string to meet the requirements of
the well depth.
-Replace the damaged oil pipe section.
-As an adapter joint and sealing section.
II. Execution standards
-Pipe body standard: Implement API Spec-5CT, which provides strict
regulations on thematerial, mechanical properties, dimensional
tolerances, and other aspects of oil pipes,
ensuring that the pipe body has good quality and performance to
adapt to harsh workingenvironments such as oil extraction. -Thread
standard:
The thread processing follows the API Spec-5CT standard to ensure
theaccuracy, strength, and sealing of the thread,
so that the oil pipe short joint can fit tightly duringconnection
and prevent oil and gas leakage.
III. Technical date
DRAWING
IV. Types
1. Ordinary short joint: The most common type, and widely used,It
is suitable for general oilextraction and transportation scenarios
and can meet conventional connection requirements.
2. Double PIN Short joint: Both ends have external threads (PIN),
commonly used to connecttwo oil pipes or other fittings with
internal threads (BOX), to extend the pipeline or change the
connection position.
3. Overall thickening and short joint: By using processes such as
thickening the pier or peelingoff thick wall materials, the wall
thickness of the pipe body is increased, and its strength
andpressure resistance are significantly improved.
It is suitable for connecting oil pipes underspecial working
conditions such as high pressure and high stress.
