China Well-designed Mechanically Driven Drawworks - Coring Tools – LUQI factory and manufacturers

Well-designed Mechanically Driven Drawworks - Coring Tools – LUQI

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We will devote ourselves to providing our esteemed customers with the most enthusiastically thoughtful services for Api Drilling Downhole Motor , Oil Filter Cup Wrench Set , Downhole Screw Motor , We take quality as the foundation of our success. Thus, we focus on the manufacture of the best quality products. A strict quality management system has been created to ensure the quality of the products.

Well-designed Mechanically Driven Drawworks - Coring Tools – LUQI Detail:

The coring tool is designed according to the characteristics of the US 250 coring tool, combined with the domestic conventional coring and material processing conditions, and new conventional coring tools designed for use in the field with existing problems. 40CrMnMo high quality steel is preferred for outer tube. It can be used for well depth up to 7000 meters, and the inner cylinder can be used for disposable glass cylinder.

Coring Parameters

bit pressure（KN）	RPM（r/min）	pumping pressure（MPa）	CC（L/S））
40～60	80～120	6～10	25～35

Technology Characteristics:

1. The threaded joint has an open elastic ring.

2. Rotating suspension assemblies have two reverse buckles and caps to prevent steel-flue tripping.

3. There are adjuster to guarantee 1mm coaxiality between inner barrel and coring bit.

4. Formation-keeping inner barrel and composite core catcher cutting coring device can gurantee the shallow stratum coring and soft broken stratum boring.

5. This tool should have a good performance in inclined well coring.

7. High strength material can guarantee the safety and reliability in 7000m coring.

Conventional deep well anti-back button core tool series
Model	180-124	172-121	168-121	133-89	127-89	121-89	141-89
OD	Φ180×144 (Φ172×144)	Φ172×136	Φ168×146	Φ133×101	Φ127×108	Φ121×100	Φ141×119
ID	Φ124×108	Φ121×107	Φ121×107	Φ89×76	Φ89×76	Φ89×81	Φ89×81
Core diameter	Φ100	Φ100	Φ100	Φ70	Φ70	Φ70	Φ70
Coring length	9m and u18m	9m and u18m	9m and u18m	9m	9m	9m	9m and u18m
Adjuster OD	Φ198-Φ213	Φ198-Φ213	Φ184	Φ149	Φ149	Φ139	Φ1494
Shackle type	NC50	NC50	NC46	NC38	NC38	NC38	NC38
Coring bit size	Φ200 Φ215.4	Φ200 Φ215.4	Φ187 -Φ200	Φ152	Φ142 Φ152	Φ142	Φ152
Remarks	40CrNiMo Outer barrel 40CrNiMo	Special custom made for inner and outer barrel	6 5/8 drill stem		Φ142 （No adjuster）	Special custom made for inner and outer barrel	5 9/16 Drill stem

Product detail pictures:

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We persistently execute our spirit of ''Innovation bringing growth, Highly-quality making sure subsistence, Administration marketing reward, Credit history attracting clients for Well-designed Mechanically Driven Drawworks - Coring Tools – LUQI , The product will supply to all over the world, such as: Greenland, Angola, Surabaya, Our company insists on the purpose of "takes service priority for standard, quality guarantee for the brand, do business in good faith, to offer skilled, rapid, accurate and timely service for you". We welcome old and new customers to negotiate with us. We are going to serve you with all sincerity!

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