Description
API 5CT Casing Pipe & OCTG Tubing for Heavy-Duty Oilfield Drilling
RIGRS supplies high-performance API 5CT casing pipes and OCTG tubing designed to safeguard your wellbore against tectonic stress, high downhole pressure, and corrosive fluids. Engineered for the harshest upstream oil and gas drilling environments, our seamless casing strings ensure long-term structural integrity and prevent wellbore collapse.
Supply Chain Compliance:
All premium oilfield casing pipes are manufactured strictly under API Spec 5CT licenses, accompanied by complete Material Test Certificates (MTC to EN 10204 3.1) and undergo rigorous non-destructive testing (NDT) prior to shipment.
One of the most significant advantages of using API 5CT OCTG casing and tubing pipe is its ability to resist corrosion. The harsh environment of oil and gas wells, which includes exposure to high temperatures, high pressures, and corrosive fluids, can quickly corrode and degrade conventional piping materials. However, API 5CT pipe is specifically designed to resist these harsh conditions and remain durable over an extended period.
Additionally, API 5CT casing and tubing pipe are designed to be leak-free, which is essential in the oil and gas industry. The pipes are rigorously tested for quality assurance to ensure that they meet strict standards for weld ability, dimensional accuracy, and resistance to cracking and corrosion. API 5CT casing and tubing pipe also offers advantages over other types of pipes used in oil and gas well construction, such as PVC or fiberglass pipes. These pipes have lower strength properties than API 5CT pipe and are not suitable for use in the harsh drilling environment. They are also less durable and more susceptible to cracking and erosion.
Premium & API Certified Connections Available:
BTC (Buttress Thread Coupling): High tensile strength for deep wells and heavy axial loads.
LTC (Long Thread Coupling): Enhanced sealing performance capabilities under moderate tension.
STC (Short Thread Coupling): Cost-effective option for shallow wells with lower stress profiles.
Premium Connections (Gas-Tight): Equivalent to PH6/FJ/Hydril joints for high-pressure gas wells, preventing lethal gas migration.
Contact RIGRS for fast quotes.
| OD | LB/FT | TK | ID | ND | C.OD | TREAD | LENGTH |
|---|---|---|---|---|---|---|---|
| 139.7 (5-1/2) |
20.85（0.244） 23.09（15.50） 25.32（17.00） 29.79（20.00） 34.26（23.00） |
6.20(0.244) 6.98(0.275) 7.72(0.304) 9.17(0.361) 10.54(0.415) |
127.3(5.012) 125.7(4.950) 124.3(4.892) 121.4(4.778) 118.6(4.670) |
124.1(4.887) 122.6(4.825) 121.1(4.767) 118.2(4.653) 115.4(4.545) |
153.7 -6.05 |
EUE LTC BTC STC PH6 |
8m-12m (2602-39.4) |
| 177.8 (7) |
25.52917.00 29.79（20.00） 34.26（23.00） 38.73（26.00） 43.20（29.00） 47.66（32.00） 52.13（35.00） 56.60（38.00） |
5.87(0.231) 6.91(0.272) 8.05(0.317) 9.19(0.362) 10.36(0.408) 11.51(0.453) 12.65(0.498) 13.72(0.540) |
166.1(6.538) 164.2(6.456) 161.7(6.366) 159.4(6.276) 157.1(6.180) 154.8(6.090) 152.5(6.004) 150.4(5.430) |
162.9(6.413) 160.8(6.331) 158.5(6.204) 156.2(6.151) 153.9(6.059) 151.6(5.969) 149.3(5.879) 147.2(5.795) |
194.5 (7.656) |
EUE LTC BTC STC PH6 |
8m-12m (2602-39.4) |
| 219.1 (8-5/8) |
35.75（24.00） 41.71（28.00） 47.66（32.00） 53.62（36.00） 59.58（40.00） |
6.71(0.264) 7.72(0.304) 8.94(0.352) 10.16(0.400) 11.43(0.450) |
205.7(8.093) 203.7(8.020) 201.2(7.927) 198.8(7.827) 196.2(7.724) |
202.5(7.972) 200.5(7.894) 198.0(7.795) 195.6(7.701) 193.0(7.598) |
244.5 (9.625) |
EUE LTC BTC STC PH6 |
8m-12m (2602-39.4) |
| 244.5 | 48.11(32.30) | 7.92(0.312) | 228.7(9.001) | 244.7(8.845) | 269.6 | EUE | 8m-12m |
| (9-5/8) | 53.62（36.00） | 8.94(0.352) | 226.6(8.921) | 222.6(8.765) | -10.625 | LTC | (2602-39.4) |
| 59.58（40.00） | 10.03(0.395) | 224.4(8.835) | 220.4(8.679) | BTC | |||
| 64.79（43.50） | 11.05(0.435) | 222.4(8.755) | 218.4(8.599) | STC | |||
| 70.01（47.00） | 11.99(0.472) | 220.5(8.681) | 216.5(8.525) | PH6 | |||
| 71.69（53.50） | 13.84(0.545) | 216.8(8.535) | 212.8(8.379) | ||||
| 273 | 48.78（32.75） | 7.09(0.279) | 258.9 (10.192) | 254.9(10.035) | 298.5 | EUE | 8m-12m |
| (10-3/4) | 60.32（40.50） | 8.89(0.350) | 255.3 (10.050) | 251.3(9.894) | -11.752 | LTC | (2602-39.4) |
| 67.77（45.50） | 10.26(0.400) | 252.7(9.950) | 248.8(9.794) | BTC | |||
| 75.96（51.00） | 11.43(0.450) | 250.2(9.850) | 246.2(9.694) | STC | |||
| 82.67（55.50） | 12.57(0.495) | 247.9(9.760) | 243.9(9.604) | PH6 | |||
| 339.7 | 71.50（48.00） | 8.38(0.330) | 322.9(12.715) | 319.0(12.559) | 365.1 | EUE | 8m-12m |
| (13-3/8) | 81.18（54.50） | 9.65(0.380) | 320.4(12.615) | 316.5(12.459) | -14.374 | LTC | (2602-39.4) |
| 90.86（61.00） | 10.92(0.430) | 317.9(12.515) | 313.9(12.359) | BTC | |||
| 101.69 （68.00） | 12.19(0.480) | 315.3(12.415) | 311.4(12.259) | STC | |||
| PH6 | |||||||
| 73 | 9.53（6.40） | 5.51(0217) | 62.00(2.441) | 59.61(2.347) | 88.9 | EUE | 8.5m-9.5m |
| (2-7/8) | 11.62（7.90） | 7.01(0.276) | 59.00(2.323) | 56.62(2.229) | -3.5 | LTC | (27.9-31) |
| 12.81（8.60） | 7.82(0.308) | 57.40(2.259) | 54.99(2.165) | BTC | |||
| STC | |||||||
| PH6 | |||||||
| 88.9 | 11.47（7.70） | 5.49(0.216) | 77.9(3.067) | 24.25(2.943) | 107.95 | EUE | 8.5m-9.5m |
| (3-1/2) | 15.19（10.20） | 7.34(0.289) | 76.0(2.992) | 21.04(2.797) | -4.25 | LTC | (27.9-31) |
| BTC | |||||||
| STC | |||||||
| PH6 | |||||||
| 114.3 | 18.77（12.60） | 6.88(0.271) | 100.5(3.957) | 97.37(3.833) | 132.08 | EUE | 8.5m-9.5m |
| (4-1/2) | -5.2 | LTC | (27.9-31) | ||||
| BTC | |||||||
| STC | |||||||
| PH6 |
