| Customization: | Available |
|---|---|
| After-sales Service: | Online Support |
| Warranty: | 1 Year |
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Oilfield Casing Pup Joint with BTC LTC STC Thread Connection
Pup joint is used to adjust height of tubing or casing strings or depth of down-hole tools, and these pup joints are made of seamless steel pipes. Pup joint can be available with tubing pup joint or casing pup joint, and material for pup joint can be available in J55, K55, N80, L80 or P110, sizes of tubing pup joint range from 2-3/8 to 4-1/2, and casing pup joint range from 4-1/2 to 13-3/8, thread of pup joint can be 8RD, 10RD or BTC, length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length of pup joint for special purpose can be available as per order. Pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of tubing pup joint is the same as tubing, and casing pup joint is the same as casing.
Casing pup joints are desiged and manufactured as per API 5CT to be used be adjust height of casings, and casing pup joints are made of seamless steel casings. Material grade of casing pup joint can be avalialbe in J55, K55, N80, L80 or P110, sizes of casing pup joint range from 4-1/2 to 13-3/8, thread of pup joint can be 8RD, 10RD or BTC, length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length of pup joint for special purpose can be available as per order. Casing pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of casing pup joint is the same as casing. Casing pup joints are internally and externally hydrostatic tested with tension and compression loads, and torque tested, electromagnetically inspected, pup joint is full-body drift and straightness visual inspected, and phosphated and dye-penetrant inspected. and finally painted by machine to ensure excellenct appearance. Finished casing pup joints are often packed by steel belts in bundles, and then fixed in steel rack for easy transportation.
Casing pup Joints specification
| OD | Grade | Thread Type |
| 4½¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 5¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 5½¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 6⅝¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 7¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 7⅝¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 7½¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 8⅝¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 9⅝¡± | J55/K55/N80/L80/P110 | LTC/STC/BTC |
| 10½¡± | J55/K55/N80/L80/P110 | LTC /BTC |
| 11½¡± | J55/K55/N80/L80/P110 | LTC /BTC |
| 13⅜¡± | J55/K55/N80/L80/P110 | LTC /BTC |
| Grade | Yield Strength | Tensile Strength | ||||
| Min | Max | Min | ||||
| Psi | MPA | Psi | MPA | Psi | MPA | |
| J55 | 55000 | 379 | 80000 | 552 | 75000 | 517 |
| K55 | 55000 | 379 | 80000 | 552 | 95000 | 655 |
| N80 | 80000 | 552 | 110000 | 758 | 100000 | 689 |
| L80 | 80000 | 552 | 95000 | 655 | 95000 | 655 |
| P110 | 110000 | 758 | 140000 | 965 | 125000 | 862 |
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification. Following the principle of "quality first, science and technology innovated, people oriented", every Lake Petro person is sparing no effort to provide the customers with best products and services. Through efforts of Lake Petro staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). With super quality, reasonable price and professional service, Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some coutries' national petroleum companies.
How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
The information you may like to know before Payment:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
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