| Customization: | Available |
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| After-sales Service: | Online Support |
| Warranty: | 12 Months |
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Wire-line core drilling tools can lift core from drill rods without picking up coring system. A complete set of wire-line drill tools include: Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench etc. It has some advantages such as high penetration rate, high penetration rate, high core recovery ratio, long bit life and lower labour intensity. The advantages can get more clear with the increasing of drill hole depth.
We can supply B N H overshot Assembly.
Brief Introductions of overshot
We are a China core drill manufacturer. The overshot is used when wear and other mechanical damage prevent the use of the regular pulling tool. We can produce overshot assembly of all Wireline and Chinese standards. Our overshots are consisted of lifting dogs, jar tube and swivel. Owing to the large amount of stocks, the products can be shipped out immediately according to your requirements. Geotec sincerely hopes to cooperate with you.
Features of overshot
1) Strong magnetic field and strong attractive force.
2) Have multiple functions.
3) Be convenient and safe in use.
4) Advanced designs and multiple choices.
Applications of overshot
It is widely used in geological and mineral, metallurgy, mining, oil drilling, and hydrology industries. This product is suitable for a wide range of aperture grades. It is used for attracting the pro-magnetic objects, for example, steel drop, hard alloy, sheet iron, iron slab, scrap iron as well as other iron apparatus left in the hole.
| Core Barrel&Overshot Size Available | ||||||
| Wireline Series | B, N, N-2, N-3, H, H-3, P, P-3(Surface & Underground); BTW, BTW-U, NTW, NTW-U |
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| Conventional | LTK48, LTK60, T2 76, T2 101 | |||||
| Chinese Standard | SC56, S59, S75, S95; SCA56, SA59, SA75, SA95; S75ZD, SA75ZD, SA95ZD; P56, P59, P75, P91, PA-110, PA-130, P150 |
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| customer's special requirement is also available. | ||||||
| Series | Model | Drill Bit(Mm) | Reamer | Outer Tube | Inner Tube | Unit Weight | |||
| Outer Diameter |
Inner Diameter |
Outer Diameter |
Outer Diameter |
Inner Diameter |
Outer Diameter |
Inner Diameter |
KG/Set | ||
| C-Q Series Core Barrel |
BQ | 36.50 | 59.50 | 60.00 | 57.20 | 46.00 | 42.90 | 38.10 | 45.00 |
| NQ | 47.60 | 74.60 | 75.80 | 73.00 | 60.30 | 55.60 | 50.00 | 65.00 | |
| HQ | 63.50 | 95.60 | 96.00 | 92.10 | 77.80 | 73.00 | 66.70 | 105.00 | |
| PQ | 85.00 | 122.00 | 122.60 | 118.00 | 103.00 | 95.30 | 88.90 | 150.00 | |
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification. Following the principle of "quality first, science and technology innovated, people oriented", every Lake Petro person is sparing no effort to provide the customers with best products and services. Through efforts of Lake Petro staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). With super quality, reasonable price and professional service, Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some coutries' national petroleum companies.
How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
The information you may like to know before Payment:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
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