Customization: | Available |
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After-sales Service: | 12 Months |
Warranty: | 12 Months |
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Stabilizer is one of main drill tool assembly in hole guiding. During drilling in deviating and horizontal well , in view of
workmanship, stabilizer OD is required to be equal or 1~2mm less than drill bit so that too small clearance between borehole wall and stabilizer usually causes stabilizer to be easily stuck during tripping out of hole.
However, variable diameter stabilizer solves the problem which common stabilizer can not solves. During drilling in directional well, by use of differential pressure at nozzle produced by circulation of fluid among inside and outside of drill string, stabilizer stretch out supporting head to reach full hole so that stabilizer equipped with different drill tools to increase or angle drop or stabilize hole inclination. Meanwhile, when stop pump circulation, support head draws back so that stabilizer OD becomes small to improve tripping out smoothly.
API 7-1 drilling stabilizer integral spiral stabilizer oil drilling stabilizer for oil field |
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Working |
O.D. |
I.D. (mm) |
Overrall Length/Spiral Band Length(mm) |
Connection |
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O.D.(in) |
Of Body(mm) |
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String Type |
Near Bit Type |
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Top |
Down |
Top |
Down |
5-7/8'' |
121 |
50.8 |
1450/400 |
NC38 |
3-1/2REG |
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6'' |
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6-1/4'' |
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6-1/2'' |
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7-1/2'' |
178 |
57.2 |
1500/450 |
NC46 |
4-1/2REG |
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7-7/8'' |
Or |
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8-3/8'' |
71.4 |
NC46 |
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8-1/2'' |
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NC50 |
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8-3/4'' |
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9-1/2'' |
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NC50 |
NC50 |
NC50 |
6-5/8REG |
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9-5/8'' |
203 |
71.4 |
1700/550 |
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9-7/8'' |
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12-1/4'' |
NC56 |
NC56 |
NC56 |
6-5/8REG |
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6-5/8REG |
6-5/8 REG |
6-5/8REG |
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13.35-16'' |
229 |
2000 |
NC61 |
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17-1/2'' |
7-5/8REG |
NC61 |
NC61 |
NC61 |
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17.7''-24'' |
2500 |
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7-5/8REG |
7-5/8REG |
7-5/8REG |
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26'' |
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28'' |
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•API standard oilfield stabilizers are manufactured from one solid bar of AISI 4145H modifed steel, usually have 3 blade or 4 blades.Professional heat-treatment process gurantees the mechanical strengths meet the requirments of API SPEC7-1. Hardness of 285-341HB can be assured with 1'' beneath the outer surface and 4 quadrant across the neck OD. |
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•Replaceable sleeve stabilizer consists of mandrel and sleeve. The function is the same as spiral integral blade stabilizer. It can suit to different hole sizes and increase working life by changing the different size sleeves. The sleeve is threaded on the mandrel, so the sleeve can be fasten to the mandrel tightly and changed easily. |
1) About Packing
Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment:
We accept T/T,L/C
3)Terms of Shipment:
About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment:
Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee:
One year since delivery.
6)Inspection:
100% testing before delivery.
Shandong Yacheng Petroleum Technology Co.,Ltd.(YCPT) is located in the second largest oilfield in Dongying city. We are the subsidiary of Xincheng Petroleum of Xincheng Petroleum Group,which was founded since 2003. We are first class supplier in vendor list of CNPC,and CNOOC,and member of CCOIC, CCPIT and so on.
We have 19 years of experience in research,development and manufacturing of oil drilling equipment and drilling string, We have professional sales and after-sales service teams We are committed to develop, manufacture and supply of oilfield equipment, like oil and gas Gate Valve, Mud Pump and Spare Parts, Handling Tools,Drilling String, Well Control Equipments.
We have established a complete quality control system, all products & equipment manufactured as per international standard ISO 9001 and API standard. Based on our talented experienced technician team and sincerely marketing strategy, we have exported our products to more than 30 countries. The positive feedback from our clients are encouraging us to do much better and more strict on self-requirement. We will continue to provide quality products with favorable prices to all customers!
Welcome to Dongying city and visit our company. Let's open the delightful business cooperation!
1. who are we?
We are based in Shandong Province, China, start from 2016,sell to Eastern Europe(17.00%),Mid East(16.00%),Southeast Asia(16.00%),South America(15.00%),North America(14.00%),Eastern Asia(10.00%),Western Europe(8.00%),Oceania(2.00%),Africa(2.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
API 6A Gate Valve / Mud Pump Spare Parts / Handling Tools / Drilling String / API 16A Well Control Equipments
4. why should you buy from us not from other suppliers?
we have been exporting drill pipe, handing tools,mud pump parts and well control equipments to well-known oil service companies in the world .
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,CPT,Express Delivery;
Accepted Payment Currency:null;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Russian.