Customization: | Available |
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Customized: | Customized |
Standard: | AISI, API |
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IADC | WOB (KN/mm) |
RPM (r/min) |
Applicable Formations |
114/116/117 | 0.3~0.75 | 180~60 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
124/126/127 | 0.3~0.85 | 180~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
134/135/136/137 | 0.3~0.95 | 150~60 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
214/215/216/217 | 0.35~0.95 | 150~60 | Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
227 | 0.35~0.95 | 150~50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
IADC | WOB (KN/mm) |
RPM (r/min) |
Applicable Formations |
417/437/ 447/415/435 |
0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc. |
517/527/515 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
537/547/535 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. |
617/615 | 0.45~1.1 | 90~50 | Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc |
637/635 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
Popular models | |
size | IADC CODE |
4 1/2''(114.3mm) | 115 117 127 217 417 437 517 537 637 |
4 3/4''(120.7mm) | 115 117 127 217 417 437 517 537 637 |
5 7/8''(149mm) | 115 117 127 217 417 437 517 537 637 |
6''(152mm) | 115 117 127 217 417 437 517 537 637 737 |
6 1/2''(165mm) | 115 117 127 217 417 437 517 537 617 627 637 737 |
7 1/2''(190mm) | 115 117 127 217 417 437 517 537 617 627 637 737 |
7 7/8''(200mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
8 1/2''(215.9mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
8 3/4''(222.3mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
9 5/8''(244.5mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
9 7/8''(250.8mm) | 115 117 127 137 217 417 437 517 537 617 627 637 737 837 |
11 5/8''(295.3mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
12 1/4''(311.1mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
14 3/4''(374.7mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
15 1/2''(393.7mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
17 1/2''(444.5mm) | 115 117 127 217 237 417 437 517 537 617 637 |
20''(508mm) | 115 117 127 217 237 437 517 537 637 |
22''(558.8mm) | 115 117 127 217 437 517 537 637 |
24''(509.6mm) | 115 117 127 217 437 517 537 |
Shandong Yacheng Petroleum Technology Co., Ltd.(YCPT) was established in 2016 while the mother company Dongying Xincheng Petroleum Technology was founded since 2003, and located at the second largest oilfield of China-Shengli Oilfield in Dongying city, which is famous as "oil city" in China. In domestic, we are first class supplier in vendor list of CNPC, and CNOOC, and member of CCOIC,CCPIT and so on.
The company is committed to develop, manufacture and supply of oilfield equipment, like oil and gas drilling rig equipment and spares, handling tools like hydraulic power tong, elevator,pneumatic spider, mud pump with spares, BOP equipment, Gate valve, manifold and swivel joint,etc.
We have established a complete quality control system, all products& equipment manufactured as per international standard ISO 9001 and API standard.
1.About packing:
plywood case,cartons or pallets
2.Terms of payment:
We accept T/T,L/C,Western union,Papal
3.Terms of shipment:
About 30 days after receiving the advance payment or according to bot parties agreement
4.Ports of shipment:
Tianjin,Qingdao,Shanghai and other locations requested by customers .by sea ,air or train
5.Guarantee:
One year since delivery.
6.Inspection:
100% testing before delivery
Welcome to choose our products,we are here all the time!