Shandong Huichi Industry and Trade Co.,Ltd.
Strive To Be Your Best And Most Professional Oil and Gas Equipment Supplier!
Add to Cart
The downhole working environment is complex and there are many safety hazards. The loss of control or fall of downhole tools will not only cause damage to equipment, but also cause harm to personnel. The role of downhole tool stop collar is to prevent the tool from losing control or falling, and ensure the safety of downhole operations.
Our company Huichi There are three main structures of downhole tool stop collars produced and sold by petro: top thread type, fixed screw type and snap-on type. The sizes of these stop collars range from 4-1/2" to 20", and can be processed according to the required size.
1. Top thread stop collar
The top thread stop collar consists of a stop collar and a hexagon socket screw, and needs to be inserted into the casing before use. This type of stop collar is suitable for tools with smaller diameters and has the characteristics of easy installation and flexible use.
2. Fixed screw stop collar
The fixed screw stop collar consists of a stop collar, a pin, and a pin. The stop collar is a hinge type and consists of two halves. This type of stop collar is suitable for tools with larger diameters and has the characteristics of a strong structure and long service life.
3. Snap-on stop collar
The snap-on stop collar can be directly buckled on the casing, the snap collar is inserted into the tongue, and then the reverse operation can be performed. This type of stop collar is suitable for tools with smaller diameters, and has the characteristics of easy installation and flexible use.
1. Select a suitable stop collar according to the tool diameter.
2. When installing the stop collar, ensure that the stop collar fits tightly with the tool casing and there is no looseness.
3. When using the tool, ensure that the stop collar has been correctly installed and there is no falling off or loss of control.
4. Regularly check the use of the stop collar. If it is damaged or invalid, it should be replaced in time.
In short, the downhole tool stop collar is an important equipment to ensure the safety of downhole operations. The downhole tool stop collar provided by Huichi Petro has the characteristics of strong structure and long service life. The appropriate stop collar can be selected according to different tool diameters. During use, attention should be paid to correct installation and regular inspection to ensure the effectiveness of the stop collar.
1. We Huichi Petro offers both hinged and slip-on style of stop collars in all sizes;
2.The force of hinged stop collar can hold up to 15,000 lb;
3.The force of slip-on set-screw stop collar can hold up to 20,000 lb;
4. This design does not make any marks or indentations on the casing;
5. We can supply stop collar in all sizes;OEM services;
6.Perfect after-sale services.
Oilfield Well Drilling , Energy , Mining.
| Specifications (inch) | 20 | 13-3/8 | 10-3/4 | 9-5/8 | 8-1/8 | 7-5/8 | 7 | 6-5/8 | 5-1/2 | 5 | 4-1/2 |
| I. D. (mm) | 513 | 344 | 277 | 248 | 209 | 196 | 181 | 171 | 142 | 129 | 117 |
| O. D. (mm) | 527 | 356 | 288 | 259 | 222 | 208 | 192 | 182 | 151 | 139 | 126 |
| Height(mm) | 200 | 200 | 120 | 80 | 80 | 80 | 80 | 50 | 50 | 50 | 50 |
| Braking Force (kn) | 40 | 40 | 40 | 40 | 30 | 30 | 30 | 30 | 30 | 24 | 24 |
Product Package:
Iron box or iron frame , or customized according to customer requirements , or according to customer requirements.
100% tested before delivery.
Express, truck , train , air , sea , or customized according to customer requirements.
Shandong Huichi Petroleum Equipment Co.,Ltd. is a professional supplier of drilling equipment for the oil and gas industry.
Our Huichi products cover all aspects of drilling , operations , oil production , etc. We have rich experience in the production and export of oil drilling supporting equipment.
One-stop drilling equipment supply;
More than 10 years of experience in drilling equipment supply;
More than 10 people engaged in export business;
More than 40 partner countries and regions;
More than 200 customers having close cooperative relationships;
More than 250+ partner factories as suppliers.