Model NO.: Casing Pipe
Trademark: Zhongshi
Origin: Henan, China
HS Code: 8431
Model NO.: Casing Pipe
Trademark: Zhongshi
Origin: Henan, China
HS Code: 8431
Product DescriptionAPI 5CT Oil Country Tubular Goods OCTG Casing Pipe
1) Standard: API Spec 5CT
2) API and ISO certified
3) Specification:Â Â 4-1/2'', 5", 5-1/2", 6-5/8", 7", 7-5/8", 8-5/8", 9-5/8", 13-3/8", 20"
4) Steel Grade:Â Â J55, N80, L80, P110, Q125
5) Length: R1(6.10-7.32m), R2(8.53-9.75), R3(11.58-12.80)
6) Connection:Â Â BTC, STC, LTC
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7) Description
Casing is tubing that is set inside the drilled well to protect and support the wellstream.
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8) Application
Casing is the major structural component of a well. Casing is needed to:
a. Maintain borehole stability
b. Prevent contamination of water sands
c. Isolate water from producing formations
d. Control well pressures during drilling, production, and workover operations
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9) Casing provides locations for the installation of:
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a. Blowout preventers
b. Wellhead equipment
c. Production packers
d. Production tubing
10) Parameter
OD |
Theoretical Weight | Thickness | ID | Diameter | Coupling OD | Thread | Steel Grade | Length |
139.7 | 20.85(0.244) | 6.20(0.244) | 127.3(5.012) | 124.1(4.887) | 153.7 | Knuckle Thread | j55 | 8m-12m |
(5-1/2) | 23.09(15.50)Â | 6.98(0.275)Â | 125.7(4.950)Â | 122.6(4.825)Â | (6.05) | Buttress Thread | n80Â | (2602-39.4) |
 | 25.32(17.00) | 7.72(0.304) | 124.3(4.892) | 121.1(4.767) |  |  | p110 |  |
 | 29.79(20.00) | 9.17(0.361) | 121.4(4.778) | 118.2(4.653) |  |  |  |  |
 | 34.26(23.00) | 10.54(0.415) | 118.6(4.670) | 115.4(4.545) |  |  |  |  |
177.8 | 25.529 (17.00) | 5.87(0.231) | 166.1(6.538) | 162.9(6.413) | 194.5 | Knuckle Thread | j55 | 8m-12m |
(7) | 29.79(20.00)Â | 6.91(0.272)Â | 164.2(6.456)Â | 160.8(6.331)Â | (7.66) | Buttress Thread | n80Â | (2602-39.4) |
 | 34.26(23.00) | 8.05(0.317) | 161.7(6.366) | 158.5(6.204) |  |  | p110 |  |
 | 38.73(26.00) | 9.19(0.362) | 159.4(6.276) | 156.2(6.151) |  |  |  |  |
 | 43.20(29.00) | 10.36(0.408) | 157.1(6.180) | 153.9(6.059) |  |  |  |  |
 | 47.66(32.00) | 11.51(0.453) | 154.8(6.090) | 151.6(5.969) |  |  |  |  |
 | 52.13(35.00) | 12.65(0.498) | 152.5(6.004) | 149.3(5.879) |  |  |  |  |
 | 56.60(38.00) | 13.72(0.540) | 150.4(5.430) | 147.2(5.795) |  |  |  |  |
219.1 | 35.75(24.00) | 6.71(0.264) | 205.7(8.093) | 202.5(7.972) | 244.5 | Knuckle Thread | j55 | 8m-12m |
(8-5/8) | 41.71(28.00)Â | 7.72(0.304)Â | 203.7(8.020)Â | 200.5(7.894)Â | (9.63) | Buttress Thread | n80Â | (2602-39.4) |
 | 47.66(32.00) | 8.94(0.352) | 201.2(7.927) | 198.0(7.795) |  |  | p110 |  |
 | 53.62(36.00) | 10.16(0.400) | 198.8(7.827) | 195.6(7.701) |  |  |  |  |
 | 59.58(40.00) | 11.43(0.450) | 196.2(7.724) | 193.0(7.598) |  |  |  |  |
244.5 | 48.11(32.30) | 7.92(0.312) | 328.7(9.001) | 244.7(8.845) | 269.6 | Knuckle Thread | j55 | 8m-12m |
(9-5/8) | 53.62(36.00)Â | 8.94(0.352)Â | 236.6(8.921)Â | 222.6(8.765)Â | (10.63) | Buttress Thread | n80Â | (2602-39.4) |
 | 59.58(40.00) | 10.03(0.395) | 224.4(8.835) | 220.4(8.679) |  |  | p110 |  |
 | 64.79(43.50) | 11.05(0.435) | 232.4(8.755) | 218.4(8.599) |  |  |  |  |
 | 70.01(47.00) | 11.99(0.472) | 320.5(8.681) | 216.5(8.525) |  |  |  |  |
 | 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 | Knuckle Thread | j55 | 8m-12m |
(10-3/4) | 60.32(40.50)Â | 8.89(0.350)Â | 255.3 (10.050)Â | 251.3(9.894)Â | (11.75) | Buttress Thread | n80Â | (2602-39.4) |
 | 67.77(45.50) | 10.26(0.400) | 252.7(9.950) | 248.8(9.794) |  |  | p110 |  |
 | 75.96(51.00) | 11.43(0.450) | 250.2(9.850) | 246.2(9.694) |  |  |  |  |
 | 82.67(55.50) | 12.57(0.495) | 247.9(9.760) | 243.9(9.604) |  |  |  |  |
339.7 | 71.50(48.00) | 8.38(0.330) | 322.9 (12.715) | 319.0 (12.559) | 365.1 | Knuckle Thread | j55 | 8m-12m |
(13-3/8) | 81.18(54.50)Â | 9.65(0.380)Â | 320.4 (12.615)Â | 316.5 (12.459)Â | (14.37) | Buttress Thread | n80Â | (2602-39.4) |
 | 90.86(61.00) | 10.92(0.430) | 317.9 (12.515) | 313.9 (12.359) |  |  | p110 |  |
 | 101.69(68.00) | 12.19(0.480) | 315.3 (12.415) | 311.4 (12.259) |  |  |  |  |
73 | 9.53(6.40) | 5.51(0217) | 62.00(2.441) | 59.61(2.347) | 88.9 | Knuckle Thread | j55 | 8.5m-9.5m |
(2-7/8) | 11.62(7.90)Â | 7.01(0.276)Â | 59.00(2.323)Â | 56.62(2.229)Â | (3.50) | n80Â | (27.9-31.2) | |
 | 12.81(8.60) | 7.82(0.308) | 57.40(2.259) | 54.99(2.165) |  |  |  | |
88.9 | 11.47(7.70) | 5.49(0.216) | 77.9(3.067) | 24.25(2.943) | 107.95 | Knuckle Thread | j55 | 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) | n80Â | (27.9-31.2) | |
114.3 | 18.77(12.60) | 6.88(0.271) | 100.5(3.957) | 97.37(3.833) | 132.08 | Knuckle Thread | j55 | 8.5m-9.5m |
(4-1/2) | (5.20) | n80Â | (27.9-31 |
Company Information
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC.Â
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We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc.. Â
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Our  products mainly include:Â
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1. Casing Centralizer                          2.  Float Collar & Float ShoeÂ
3. Cementing Plug                              4.  Cementing Head
5.  Cement Basket                              6.  Tubing Pump / Rod Pump
7.  Valve Ball & seat                            8. Casing / Tubing Pipe and Coupling
9. Stage Collar                                    10. Pumping Unit
11. Air Blaster                                      12.  Sucker Rod
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Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
Contact Us
PUYANG ZHONGSHI GROUP CO.,LTD
Add: 5th community, Zhongyuan Oilfield, Puyang, China
Tel: 0086-371-87096211
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Website: www.zs-oilfieldequip.com;
                 www.chinajixie.com
                 www.casingcentralizer.com
Irene is here waiting for you!! Product Description
API 5CT Oil Country Tubular Goods OCTG Casing Pipe
1) Standard: API Spec 5CT
2) API and ISO certified
3) Specification:Â Â 4-1/2'', 5", 5-1/2", 6-5/8", 7", 7-5/8", 8-5/8", 9-5/8", 13-3/8", 20"
4) Steel Grade:Â Â J55, N80, L80, P110, Q125
5) Length: R1(6.10-7.32m), R2(8.53-9.75), R3(11.58-12.80)
6) Connection:Â Â BTC, STC, LTC
Â
7) Description
Casing is tubing that is set inside the drilled well to protect and support the wellstream.
Â
8) Application
Casing is the major structural component of a well. Casing is needed to:
a. Maintain borehole stability
b. Prevent contamination of water sands
c. Isolate water from producing formations
d. Control well pressures during drilling, production, and workover operations
Â
9) Casing provides locations for the installation of:
Â
a. Blowout preventers
b. Wellhead equipment
c. Production packers
d. Production tubing
10) Parameter
OD |
Theoretical Weight | Thickness | ID | Diameter | Coupling OD | Thread | Steel Grade | Length |
139.7 | 20.85(0.244) | 6.20(0.244) | 127.3(5.012) | 124.1(4.887) | 153.7 | Knuckle Thread | j55 | 8m-12m |
(5-1/2) | 23.09(15.50)Â | 6.98(0.275)Â | 125.7(4.950)Â | 122.6(4.825)Â | (6.05) | Buttress Thread | n80Â | (2602-39.4) |
 | 25.32(17.00) | 7.72(0.304) | 124.3(4.892) | 121.1(4.767) |  |  | p110 |  |
 | 29.79(20.00) | 9.17(0.361) | 121.4(4.778) | 118.2(4.653) |  |  |  |  |
 | 34.26(23.00) | 10.54(0.415) | 118.6(4.670) | 115.4(4.545) |  |  |  |  |
177.8 | 25.529 (17.00) | 5.87(0.231) | 166.1(6.538) | 162.9(6.413) | 194.5 | Knuckle Thread | j55 | 8m-12m |
(7) | 29.79(20.00)Â | 6.91(0.272)Â | 164.2(6.456)Â | 160.8(6.331)Â | (7.66) | Buttress Thread | n80Â | (2602-39.4) |
 | 34.26(23.00) | 8.05(0.317) | 161.7(6.366) | 158.5(6.204) |  |  | p110 |  |
 | 38.73(26.00) | 9.19(0.362) | 159.4(6.276) | 156.2(6.151) |  |  |  |  |
 | 43.20(29.00) | 10.36(0.408) | 157.1(6.180) | 153.9(6.059) |  |  |  |  |
 | 47.66(32.00) | 11.51(0.453) | 154.8(6.090) | 151.6(5.969) |  |  |  |  |
 | 52.13(35.00) | 12.65(0.498) | 152.5(6.004) | 149.3(5.879) |  |  |  |  |
 | 56.60(38.00) | 13.72(0.540) | 150.4(5.430) | 147.2(5.795) |  |  |  |  |
219.1 | 35.75(24.00) | 6.71(0.264) | 205.7(8.093) | 202.5(7.972) | 244.5 | Knuckle Thread | j55 | 8m-12m |
(8-5/8) | 41.71(28.00)Â | 7.72(0.304)Â | 203.7(8.020)Â | 200.5(7.894)Â | (9.63) | Buttress Thread | n80Â | (2602-39.4) |
 | 47.66(32.00) | 8.94(0.352) | 201.2(7.927) | 198.0(7.795) |  |  | p110 |  |
 | 53.62(36.00) | 10.16(0.400) | 198.8(7.827) | 195.6(7.701) |  |  |  |  |
 | 59.58(40.00) | 11.43(0.450) | 196.2(7.724) | 193.0(7.598) |  |  |  |  |
244.5 | 48.11(32.30) | 7.92(0.312) | 328.7(9.001) | 244.7(8.845) | 269.6 | Knuckle Thread | j55 | 8m-12m |
(9-5/8) | 53.62(36.00)Â | 8.94(0.352)Â | 236.6(8.921)Â | 222.6(8.765)Â | (10.63) | Buttress Thread | n80Â | (2602-39.4) |
 | 59.58(40.00) | 10.03(0.395) | 224.4(8.835) | 220.4(8.679) |  |  | p110 |  |
 | 64.79(43.50) | 11.05(0.435) | 232.4(8.755) | 218.4(8.599) |  |  |  |  |
 | 70.01(47.00) | 11.99(0.472) | 320.5(8.681) | 216.5(8.525) |  |  |  |  |
 | 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 | Knuckle Thread | j55 | 8m-12m |
(10-3/4) | 60.32(40.50)Â | 8.89(0.350)Â | 255.3 (10.050)Â | 251.3(9.894)Â | (11.75) | Buttress Thread | n80Â | (2602-39.4) |
 | 67.77(45.50) | 10.26(0.400) | 252.7(9.950) | 248.8(9.794) |  |  | p110 |  |
 | 75.96(51.00) | 11.43(0.450) | 250.2(9.850) | 246.2(9.694) |  |  |  |  |
 | 82.67(55.50) | 12.57(0.495) | 247.9(9.760) | 243.9(9.604) |  |  |  |  |
339.7 | 71.50(48.00) | 8.38(0.330) | 322.9 (12.715) | 319.0 (12.559) | 365.1 | Knuckle Thread | j55 | 8m-12m |
(13-3/8) | 81.18(54.50)Â | 9.65(0.380)Â | 320.4 (12.615)Â | 316.5 (12.459)Â | (14.37) | Buttress Thread | n80Â | (2602-39.4) |
 | 90.86(61.00) | 10.92(0.430) | 317.9 (12.515) | 313.9 (12.359) |  |  | p110 |  |
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