API 5CT Supre 13Cr L80 Oil and Gas Casing Joint and Pup Joint Used in the Oilfields Pup Joint
The perforated Liner or Pre-perforated Casing is manufactured with a 44ft 88 spindle drill press. Joints with sizes up to 20" Length range 3 and grades up to 13CR110 are perforated in one handling.Our standard spiral and staggered perforation patterns use3/8" and 1/2" diameter holes, to create the required open area. Upon request, custom sizes hold can be drilled in any number and any pattern.Pipe is deburred internal and external as well as drift tested according to API standards. Every hole is visually inspected and cleaned of burr material.The size, grade and weight of the base-pipe are according to API casing or tubing specification.
Standard: API-5CT 2011
Grade: J55 K55 N80 L80 P110
Thread Type: NUE EUE STC LTC BTC
The Length: 6 INCH-2FT
Tubing pup joints
| Specification | API 5CT 2-3/8" ~ 4-1/2" |
Grade | J55/K55/N80/L80/P110 | |
Thread | EUE, NUE | |
length | As requested | |
Casing pup joints
| Specification | API 5CT 4-1/2" ~ 20 |
Grade | J55/K55/N80/L80/P110 | |
Thread | LTC, STC, BTC | |
length | As requested |



Yes,we have our own factory for manufacturing and we have the long history in this field as the China top brand.
2.Can you provide free sample?
Yes, we can provide samples in our stock for free, customer just need to bear the shipping fee.
3. How about the quality guarantee ?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
4. What can you buy from us?
OCTG / Pumping Unit / Sucker Rod Pump / Wellhead and Christmas Tree / Casing and Coupling /Pup joint/Crossover/Centralizer
5. What is your advantages beyong other suppliers?
1).Complete categories & Reasonable price
2).Fast delivery & Quality guarantee
3).Supplier of china famous oil field and lots of US oil field etc.
4).20+ years professional manufacture major on oil equipment
6. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Cash,Escrow;
Language Spoken:English,Chinese,Spanish