HOLLOW POLISHED ROD
- Wellhead sealing;
- Transmission of reciprocal motion from surface drive to sucker rod pump plunger;
- Extraction of produced fluid from pump to production line through inner channel;
Hollow polished rod is used as component of dual completion, production, heating and washing equipment.
Application
- Wellhead sealing;
- Transmission of reciprocal motion from surface drive to sucker rod pump plunger;
- Extraction of produced fluid from pump to production line through inner channel;
- Hollow sucker rod and tubing string washing in order to remove paraffin and salt deposits and to improve efficiency of equipment set;
- Injection of chemical agents or steam into well through hollow sucker rod string to reduce effects of complicating factors and to enhance oil recovery;
Advantages
- Rolled connection thread for high fatigue strength;
- Thrust cones reduce bending stress at threads and ensures tight connection;
- Nitrided hardening of outer surface;
Benefits
- Coating and rolled thread ensure extended runlife;
- Separate lifting of produced fluid at dual completion and injection;
Order reference
HPR-42-4880-D
Specifications
| Nominal size | 42, 44 |
| Diameter, inch (mm) | 1.65 (42); 1.73 (44) |
| Length, inch (mm) | 155 (3890), 190 (4880), 315 ( 8000) |
| Grade | C, D |
Delivery
Delivery of your order is possible in the following ways:
- Pickup from the factory;
- Delivery to the address by courier service;
- Delivery to other regions by forwarding agent;
Terms of payment
You can submit an application in the following ways:
- By the phone numbers listed on the website or Contacts page;
- Leave a request on the product page, indicating your contact information;
- Send an email with the required position;