Cross-over Sub(X-coupling/X-over/XO Sub)/Connection
USD $1 - $1,000 /Piece
Min.Order:1 Piece
Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
Nara Petroleum Mechanical Manufacture Co. Ltd, estabished in 2007 and located in the industrial park of Chinese second largest oil field in Dongying City-Shengli Oil Field, is a high-tech private limited liability company which takes the lead in developing, manufacturing and selling oil machinery.
With manufacturing shop covering an area of 50,000m2 , its registered capital values at 20.1 million Yuan, total fixed assets 20 million, current assets 48 million,floating debt 5 million and equity 49 million. The company has a total staff of 86, including 10 senior engineers, 25 engineers, 2 senior accountants, 5 accountants and 5 assistant accountants.
Cross-over sub acts for conversion and connection of drill stem component in petroleum , natural gas and geology drilling work. It is made of high-strength alloy constructional steel and processed by heat treatment. Its structure is suitable to connected drilling string and both of the ends meet the API standard (or the special connection type required by clients). It is mainly used for conversion and connection of the drilling string components in oil and gas drilling operation.
We can offer Kelly cross-over sub, Drill pipe cross-over sub, Interim cross-over sub, Drill collar cross-over sub, Drill bit cross-over sub, Swivel cross-over sub, Fishing cross-over sub, etc.
Technical specifications and parameters (adjust to your demands)
Sort | Description | Upper Connection Part | Lower Connection Part | Type (See note) |
1 | Kelly cross-over sub | Kelly | Drill pipe | A/B |
2 | Drill pipe cross-over sub | Drill pipe | Drill pipe | A/B |
3 | Interim cross-over sub | Drill pipe | Drill collar | A/B |
4 | Drill collar cross-over sub | Drill collar | Drill collar | A/B |
5 | Drill bit cross-over sub | Drill collar | Drill bit | A/B |
6 | Swivel cross-over sub | Swivel lower sub | Kelly | C |
7 | Fishing cross-over sub | Kelly/Drill pipe | Drill pipe/Finishing tools | C |
Note:
Type A stands for same diameter: one cross-over sub has on size (D) on O.D., code A
Type B stands for reduce type: one cross-over sub has two size (D1&D2) on O.D., code B
Type C is left hand thread type: the connection thread is left hand type, code C
We have first-class production equipment and production team, so we can provide you first-class products with high quality and proper price!
We have our own patented products and has passed the attestation of ISO9000:2000 quality system and API, obtained the certificate to enter the net of PetroChina and Sinopec and Class B qualification of PetroChina well control net, and had the honor to win Prizes of Technique Innovation and S&T of Dongying City in 2009.
Our main business includes design and manufacture of downhole drilling tools and wired MWD equipment, manufacture and sales of oil pipe and screw drilling tools, and main products include integral spiral blade stabilizer, hydraulic pressure damping load, oil pressure tapered stabilizer, remote tapered stabilizer, IBOP, flapper type float valve, arrow check valve,casing protector,casing milling tool, adjustable tapered stabilizer, oil pressure tapered stabilizer, nonmagnetic drill collar and so on, totally over 30 series and 10 categories.
We will package and ship products according to your requirements.
Service contributes to quality and quality contributes to confidence, which is our enterpress slogan and mission. We have developed a complete, transplantable enterprise management and operation mode of design, production and after-sale service, with the spirit of "unity, progressive, innovative and efficient," and design tools of three-dimensional solid, finite element analysis, motion simulation and so on.
We will try our best to provide you best service! Looking forward to cooperate with you!
Sharon
Nera Petroleum Mechanical Manufacture Co., Ltd
Add:No. 2 Juzhou Road, Dongying Developing Zone, Dongying, Shandong, China (Mainland)
Mobile NO.: 15066013625
Tel: 86-0546-8175080
Fax: 86-0546-8175070
Skype: sharonzhang28
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