| Customization: | Available |
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| Customized: | Customized |
| Certification: | ISO, API |
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Reverse Circulation Junk Basket
TIANHE Reverse Circulation Junk Basket (RCJB) is designed to remove all types of small junk objects from the well hole. The tool's main feature is that it eliminates the possibility of pulling a wet string during fishing operation with its reverse drainage design. The RCJB can also be used as a fish magnet when fitted with a magnet insert, while maintaining its reverse fluid circulation feature.
Operation
TIANHE RCJB is normally attached at the bottom of the fishing string, lowered to a point several feet from the bottom of the well. Begin circulation of the junk basket to wash the hole. Stop circulation and drop the steel ball. (When the steel ball is dropped into the valve seat, reverse fluid circulation is activated. The fluid travels outward and downward through the inner passage of the barrel and out through the vents in the lower end. The fluid is then deflected to the center of the tool and up through the return holes in the upper end of the barrel. The reverse fluid circulation carries the junk into the barrel above the junk catcher. Restart the circulation; slowly rotate the junk basket while lowering the tool until a 10-inch core has been cut. Stop rotation and circulation and pull the tool and junk from the hole.
Model |
OD of barrel (mm) |
Max. fishing size (mm) |
OD of steel ball (mm) |
Connection (Box) |
Hole size (mm) |
Product Code |
| LL-F381 | 381 | 279 | 57 | 6 5/8 REG | 406-444 | L11-381000 |
| LL-F330 | 330 | 249 | 57 | 6 5/8 REG | 349-406 | L11-330000 |
| LL-F301 | 301 | 216 | 57 | 6 5/8 REG | 320-346 | L11-301000 |
| LL-F279 | 279 | 211 | 57 | 6 5/8 REG | 298-317 | L11-279000 |
| LL-F257 | 257 | 194 | 57 | 6 5/8 REG | 273-295 | L11-257000 |
| LL-F232A |
232 |
179 |
57 |
NC50 | 244-270 |
L11-232000 |
| 6 5/8 REG | L11-232100 | |||||
| LL-F206 | 206 | 157 | 45 | NC50 | 216-241 | L11-206000 |
| LL-F200A |
200 |
154 |
42 |
NC50 | 212-241 |
L11-200000 |
| 4 1/2 REG | L11-200100 | |||||
| LL-F200 | 200 | 147 | 42 | NC50 | 212-241 | L11-200200 |
| LL-F178 |
178 |
130 |
42 |
NC50 | 190-210 |
L11-178000 |
| 4 1/2 REG | L11-178100 | |||||
| LL-F159 | 159 | 120.6 | 34 | 4 1/2 REG | 168-187 | L11-159000 |
| LL-F146A |
146 |
111 |
34 |
NC38 | 155-165 |
L11-146000 |
| 3 1/2 REG | L11-146100 | |||||
| LL-F146 | 146 | 105 | 40 | NC38 | 155-165 | L11-146200 |
| LL-F130 |
130 |
95.2 |
34 |
NC31 | 143-152 |
L11-130000 |
| 3 1/2 REG | L11-130100 | |||||
| LL-F123 | 123 | 90.5 | 28 | NC31 | 130-140 | L11-123000 |
| 2 7/8 REG | L11-123100 | |||||
| LL-F121 | 121 | 90 | 34 | NC31 | 130-140 | L11-121000 |
| LL-F114 |
114 |
77.8 |
28 |
NC31 | 117.5-127 |
L11-114000 |
| 2 7/8 REG | L11-114100 | |||||
| LL-F102 |
102 |
63.5 |
23 |
NC26 | 105-114 |
L11-102000 |
| 2 3/8 REG | L11-102100 | |||||
| LL-F97 | 97 | 62 | 30 | NC26 | 108-114 | L11-97000 |
| LL-F92 |
92 |
57 |
23 |
NC26 | 95.2-102 |
L11-92000 |
| 2 3/8 REG | L11-92100 | |||||
| LL-F89 | 89 | 57 | 23 | NC26 | 95-102 | L11-89000 |
Established in 1973 as a state-owned Mudanjiang Petroleum Machinery Factory. After 50 years a new private company(Tianhe) was registered and established in 2006. At present, Tianhe Group has 5 sales companies, including Chengdu, Beijing, Shanghai, Yanan, Mudanjiang branches. 2 large factories, in cluding Mudanjiang and Shanghai factory, controlling the important sales territories in China. The company is also actively expanding its business overseas. Currently, more than 50 countries and regions around the world, as well as over 200 well-known oil companies and service company customers, are using products under the Tianhe brand. Tianhe has become one of the most popular Asian oil brands.
1.The company has over 50 years of professional production experience and is capable of independently manufacturing a complete range of downhole tools, including: drill pipes, drill collars, stabilizers, jars, fishing tools, etc.
2. We have a strict quality control system, conducting strict quality checks from raw materials to finished products.
3.The company has obtained ISO9001 quality system certification and holds API certificates such as 5CT, 5DP, 7-1, Q1, etc.
4.The minimum order quantity is 1, and the delivery cycle can be strictly controlled.
5.Our export products have been recognized by customers in more than 50 countries and regions.
1.Q:Are you a factory or trading company?
We are a factory and the Top 3 of oildrilling equipment manufacturer.
2.Q:Where is your factory located?
We locate in Heilongjiang Province, China.
3. Q:What do your factory do regarding quality control?
From material to products, we inspect each process to keep good quality.
And SGS inspection can be accepted.
4.Q:How about MOQ ?
We have stock of common sizes at hand, so even few ton is accepted.
5.Q:How about payment ?
Both T/T and L/C can be accepted.
6.Q: How long does your warranty?
We can assured the quality within 90 days after receiving the cargoes.
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