Octg Casing

 

  • Conform strictly to the ISO9001, API Spec Q1 quality system,
  • It shall completely comply with API Spec 5CT, Sinopec “Q/SHCG 18010-2016 Casing and Tubing Purchase Technical Specifications” to procure the flat end tube.
  • Sanjack has been equipped with 8 production line with fully automated casing pipe and coupling thread process and high-precision.
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Sanjack has been 23-year experience in manufacturing tubing and casing. The thread upsetting production line was set up in 1999 and the Shengji premium thread was designed in 2011. Sanjack has the stable and reliable product quality, with the annual production capacity of about 100,000 tons. The products has been exported to the U.S.A, Canada, Venezuela, India Kazakhstan and etc.
Sanjack is one of the leading manufacturers of OCTG tubing in China. Shengji is equipped with 8 thread processing lines, 2 upsetting lines (the 1st upsetting line among oil field API 5ct tubing Manufacturers in China), 1 leading domestic steel pipe overall heat treatment line, 1 surface rust removal line and NDT line. 120,000 tons of OCTG tubing could be produced every year for its domestic and international markets. Every OCTG tubing is manufactured as per the API 5CT certification that was granted 10 years ago. Shengji has been implementing the strict quality inspection with the high-tech test tools to ensure each OCTG tubing compliance to the customer requirements. The available Shengji seamless casing range from 4-1/2’’to 20’’ with material grades H40, J55, K55, N80, L80, C95, P110, 13Cr etc. The thread options available include STC.BTC.LTC.

1. Sales volume about 120,000 tons per year;
2. Quality of stability and reliability;
3. Manufacture and testing as per API 5CT latest version;
4. Been exported to USA, Syria, Oman;
5. The availability of STC, BTC, LTC thread;
6. NDT 100% prior to delivery;

Description Tolerances Length Dimensions Straightness Wall Thickness Weight Drift ID OD Tension Oality Eccentricity Collapse non-metallic inclusion concentration
7″, 29 ppf, N80, BTC, Range 3, SMLS +1.00% – 0.50%,not exceed 0.125″ 38 Ft- 42 Ft 177.8*10.36 0.2%L 10.36 43.16KG/M 153.90 157.08 177.80 3008KN ≤0.8%D ≤18% 48.5MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
20”, 94 ppf, K55, BTC, Range 3, SMLS,PSL1 +1.00% – 0.50%,
not exceed 0.125″		 38 Ft- 42 Ft 508*11.13 0.2%L 11.13 139.89KG/M 480.97 485.70 508 6583KN 0.8*OD tolerance Max. 18% 3.6MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
20”, 94 ppf, K55, PE, Range 3,SMLS,PSL1 +1.00% – 0.50%,
not exceed 0.125″		 38 Ft- 42 Ft 508*11.13 0.2%L 11.13 139.89KG/M 480.97 485.70 508 6583KN 0.8*OD tolerance Max. 18% 3.6MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
9 5/8″, 53.5 ppf, N80Q, BTC, Range 3, SMLS, PSL1 Special Drift +1.00% – 0.50%,
not exceed 0.125″		 38 Ft- 42 Ft 244.48*13.84 0.2%L 13.84 79.62KG/M 215.9 216.8 244.48 5531KN 0.8*OD tolerance Max. 18% 45.6MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
9 5/8″, 47 ppf, N80, BTC, Range 3, SMLS +1.00% – 0.50%,not exceed 0.125″ 38 Ft- 42 Ft 244.48*11.99 0.2%L 11.99 69.94KG/M 216.54 220.50 244.48 4832KN ≤0.8%D ≤18% 32.8MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
13 3/8”, 68 ppf, K55, BTC, Range 3, SMLS +1.00% – 0.50%,not exceed 0.125″ 38 Ft- 42 Ft 339.72*12.19 0.2%L 10.92 101.19KG/M 311.37 315.34 339.72 4756KN ≤0.8%D ≤18% 13.4MPa THIN ≤ 2.0                       THICK ≤2.0 N/A
13 3/8”, 72 ppf, N80, BTC, Range 3, SMLS, Special Drift 12.25″ +1.00% – 0.50%,not exceed 0.125″ 38 Ft- 42 Ft 339.72*13.06 0.2%L 10.92 107.15KG/M 311.15 313.60 339.72 7390KN ≤0.8%D ≤18% 18.4MPa THIN ≤ 2.0                       THICK ≤2.0 N/A

 

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