Jiangsu Service Petroleum Technology Co., Ltd
| Packaging Details | Export standards packaging and others requirements should be clarified in advance |
| Delivery Time | Delivery ex-mill details need to discuss |
| Payment Terms | T/T or LC irrevocable In sight |
| Supply Ability | As requirement |
| Standards | API 5CT |
| Grades | J/K55, N80-1/Q, L80-1, 80SS, L80-3Cr, L80 13Cr, L80-9CR, Super 13Cr, P110, P110-13CR, TP110S |
| Size range | OD-127mm-356.12mm (4-1/2''-13-3/8'') |
| Thread buckle type | BTC/STC/LTC |
| Manufacturing type | Seamless |
| Inspection | NDT and etc as per api 5ct and 5b |
| Brand Name | SWS |
| Place of Origin | CHINA |
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Product Specification
| Packaging Details | Export standards packaging and others requirements should be clarified in advance | Delivery Time | Delivery ex-mill details need to discuss |
| Payment Terms | T/T or LC irrevocable In sight | Supply Ability | As requirement |
| Standards | API 5CT | Grades | J/K55, N80-1/Q, L80-1, 80SS, L80-3Cr, L80 13Cr, L80-9CR, Super 13Cr, P110, P110-13CR, TP110S |
| Size range | OD-127mm-356.12mm (4-1/2''-13-3/8'') | Thread buckle type | BTC/STC/LTC |
| Manufacturing type | Seamless | Inspection | NDT and etc as per api 5ct and 5b |
| Brand Name | SWS | Place of Origin | CHINA |
| High Light | SMLS Casing Couplings ，EUE NUE Oilfield Couplings ，127mm Oilfield Couplings | ||
CASING COUPLINGS; SMLS; EUE &NUE COUPLINGS; OILFIELDUSE ;COUPLING STOCK MATERIAL; API 5CT STANDARD
Product Name: CASING COUPLINGS; SMLS; EUE &NUE COUPLINGS; OILFIELD TOOLS USE ;COUPLING STOCK MATERIAL
Standards: API SPEC 5CT, API SEPC 5B, API-7
Material/Steel Grade: J/K55, N80, L80-1, 80SS, L80-3Cr, L80 13Cr, L80-9CR, Super 13Cr, P110, P110-13CR, TP110S, etc.
Specifications: OD-127mm-356.12mm (4-1/2''-13-3/8'')
Thread buckle type: BTC/STC/LTC
Casing coupling is the connecting part of casing to transmit environmental load, and is also the weak link that is prone to failure accidents.
It is well-known, the integrity of wellbore in the life cycle is not only limited by the thread connection strength of casing, but also by the sealing performance of coupling threads (Han and Wang, 1999). Therefore, it is of great significance to study the sealing integrity of casing coupling under non-uniform load.
CASING COUPLING : A short length of pipe used to connect two joints of casing. A casing coupling has internal threads (female threadform) machined to match the external threads (male threadform) of the long joints of casing. The two joints of casing are threaded into opposite ends of the casing coupling.
STC/LTC COUPLING SIZE LIST
| size (in) | pipe OD mm | coupling OD W mm | Min length NL mm | bore diameter Q mm | bore depth q mm | bearing surface width b mm | hand-tight standoff A | Distance from pipe end to coupling center after tightening J mm | thread numer for each inch | weight KG short coupling | weight KG long coupling |
| 4-1/2'' | 114.3 | 127 | 158.75(short)/177.8(long) | 116.68 | 12.7 | 3.97 | 3 | 12.7 | 8 | 3.62 | 4.15 |
| 5'' | 127 | 141.3 | 165.1(short)/196.85(long) | 129.38 | 12.7 | 4.76 | 3 | 12.7 | 8 | 4.66 | 5.75 |
| 5-1/2'' | 139.7 | 153.67 | 171.45(short)/203.2(long) | 142.08 | 12.7 | 3.18 | 3 | 12.7 | 8 | 5.23 | 6.42 |
| 7'' | 177.8 | 194.46 | 184.15(short)/228.6(long) | 180.18 | 12.7 | 4.76 | 3 | 12.7 | 8 | 8.39 | 10.83 |
| 9-5/8'' | 244.48 | 269.88 | 196.85(short)/266.7(long) | 248.44 | 11.0 | 6.35 | 3 1/2 | 12.7 | 8 | 18.03 | 25.45 |
| 10-3/4'' | 273.05 | 298.45 | 203.2 | 277.02 | 11.0 | 6.35 | 3 1/2 | 12.7 | 8 | 20.78 | - |
| 13-3/8'' | 339.72 | 365.12 | 203.2 | 343.69 | 11.0 | 5.56 | 3 1/2 | 12.7 | 8 | 25.66 | - |
| 16'' | 406.4 | 431.8 | 228.6 | 411.96 | 9.3 | 5.56 | 3 1/2 | 12.7 | 8 | 34.91 | - |
| 18-5/8'' | 473.08 | 508 | 228.6 | 478.63 | 9.3 | 5.56 | 3 1/2 | 12.7 | 8 | 54.01 | - |
| 20'' | 508 | 533.4 | 228.6(short)/292.1(long) | 513.56 | 9.3 | 5.56 | 4 | 12.7 | 8 | 43.42 | 57.04 |
BTC COUPLING SIZE LIST
| size (in) | pipe OD mm | coupling OD W mm | Min length NL mm | bore diameter Q mm | bearing surface width b mm | hand-tight standoff A | Distance from pipe end to coupling center after tightening J mm | thread numer for each inch | weight KG |
| 4-1/2'' | 114.3 | 127 | 225.42 | 117.86 | 3.18 | 1/2. | 12.7 | 5 | 4.55 |
| 5'' | 127 | 141.3 | 231.78 | 130.56 | 3.97 | 1 | 12.7 | 5 | 5.85 |
| 5-1/2'' | 139.7 | 153.67 | 234.95 | 143.26 | 3.97 | 1 | 12.7 | 5 | 6.35 |
| 7'' | 177.8 | 194.46 | 254 | 181.36 | 5.56 | 1 | 12.7 | 5 | 10.54 |
| 9-5/8'' | 244.48 | 269.88 | 269.88 | 248.03 | 9.52 | 1 | 12.7 | 5 | 23.16 |
| 10-3/4'' | 273.05 | 298.45 | 269.88 | 276.61 | 9.52 | 1 | 12.7 | 5 | 25.74 |
| 13-3/8'' | 339.72 | 365.12 | 269.88 | 343.28 | 9.52 | 1 | 12.7 | 5 | 31.77 |
| 16'' | 406.4 | 431.8 | 269.88 | 410.31 | 9.52 | 7/8. | 12.7 | 5 | 40.28 |
| 18-5/8'' | 473.08 | 508 | 269.88 | 476.99 | 9.52 | 7/8. | 12.7 | 5 | 62.68 |
| 20'' | 508 | 533.4 | 269.88 | 511.91 | 9.52 | 7/8. | 12.7 | 5 | 50.1 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Trading Company,Seller
Year Established:
2009
Total Annual:
10000000-15000000
Employee Number:
1~150
Ecer Certification：
Verified Supplier
SWS offers a range of premium API casing accessories and OCTG to meet the challenging demands of oilfield and E&P companys operatiing world widely. To meet these demands, sws has established a manufacturing facilitu of 78000sq ft. This facility has modern ... SWS offers a range of premium API casing accessories and OCTG to meet the challenging demands of oilfield and E&P companys operatiing world widely. To meet these demands, sws has established a manufacturing facilitu of 78000sq ft. This facility has modern ...
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