Home > Products > Drilling Tools > API oilfield 8 1/2" Spiral Drill Collar
API oilfield 8 1/2" Spiral Drill Collar
- 1000 Piece / Pieces per Month
- China Port
- T/T Credit Card
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Product Details
Thickness | 47.6, 203.2 | Section Shape | Round | |
Outer Diameter | 3.875 - 11 inch | Place of Origin | Shandong, China | |
Secondary Or Not | Non-secondary | Application | Drill Pipe | |
Technique | ERW | Certification | API | |
Surface Treatment | Copper Coated | Special Pipe | API Pipe | |
Alloy Or Not | Is Alloy |
Exporting Packing
Product Description
Specifications
1. OD:3 1/8'' ~ 11''
2.ID: 1 1/4'' ~ 3''
3. NC23-31 ~ 8 5/8REG
4.Length: 9150 or 9450mm
5.API 7; AISI4145H, SY/T5144
Drill collar
we supply different drill collars and other petroleum equipments, for more details please kindly contact us.
Options:
*Standard:API 7; AISI4145H, SY/T5144 or Non-Standard.
1.Standard size, bores and connections for drill collar.
Connection: NC23-31 ~ 8 5/8REG
OD: 3 1/8'' ~ 11'' (79.4 ~ 279.4mm)
ID: 1 1/4'' ~ 3'' (31.8 ~ 76.2mm)
Length: 9150 or 9450mm
Df: 76.2 ~ 266.7mm
Bending strength ratio: 2.75:1 ~ 2.84:1
2.Spiral size of spiral drill collar.
OD:3 7/8'' ~ 11'' (98.4 ~ 279.4mm)
Depth of cut(A) mm: 4.0+/-0.79 ~ 11.9+/-2.37
Depth of cut(B) mm: 5.6+/-0.79 ~ 8.7+/-1.59
Pitch: 914 ~2037mm
3.Non-maganetic drill collar.
Sel.:NC23-31 ~ 8 5/8REG
OD:3 1/8'' ~ 11'' (79.4 ~ 279.4mm)
ID: 1 1/4'' ~ 3'' (31.8 ~ 76.2 mm)
Length: 9150 or 9450
Bending strength ratio: 2.75:1 ~ 2.84:1
Our main products:
Drill Equipment, Well control system,OCTG, Well head tools, camps,drill bit and spray head,drilling instruments, cementing, oil mining equipment, water well drilling rig and petrochemical products,Electric oil-submersible pump unit, QYYEQ Submersible power cables and so on.
Dongying Qixiang Import & Export Co.,LTD(DYQX Petro company) follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions).
Our Service Objective: People-O riented, Quality firstly and Best service.
Welcome to Visit DYQX petro.
Dongying Qixiang Import&Export Co.,Ltd
Address:North 2nd Road,Number 352,Dongying Zone, Dongying City, Shandong province, China.
Skype:eve.liu06211988
Mobile:0086-18554639639
whatsnap:0086-13290276176
Web: & http://qixiangpetre.en.china.cn
Company Profile

Dongying Qixiang Import &Export Co.,Ltd(hereinafter as DYQX Petro company) was founded in January, 2002, in the Yellow River delta (Shengli Oil Field, the second large oil field in China)--- Dongying City, Shandong Province. Its business covers drilling rig, workover rig, solids control equipment, oil production equipment,OCTG ,wellhead & downhole tools and spare parts drilling rig supporting and drilling strings and other equipments related with petroleum. Strictly abide by ISO9001 quality system certification and API standard. DYQX Petro company follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). The target of DYQX Petro company Enterprise: To establish an international first-class enterprise, and become a professional petroleum equipment supplier and oilfield engineering services company.; "providing the most qualified products, most competitive prices and most professional service for every customer " as its mission. DYQX Petro company mainly engages in offering oil drilling and production equipment and providing oilfield technical service.Our target is to supply our products and spread company culture to all over the world. We will build a new stage, and we will welcome all the friends from all over the world, to cooperate sincerely and create our brilliant future!
Contact Us
- Dongying Qixiang Import & Export Co., Ltd.
- Contact nameEve Liu Chat Now
- Phone0086-0543-7613911
- AddressNo. 352, North 2nd Road, Dongying Dist.
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