Non-Rotating Casing Float Collar
A non-rotating casing float collar is a specialized type of float collar in oilfield cementing tools. While they perform their core function of preventing backflow, they don’t have a feature to stop the internal components from rotating when drilled out. Puyang zhongshi group co ltd is the API certified manufacturer and supplier for all types of oilfield tools and cementing tools including the non-rotating casing float collar. We export to all main oil countries. Contact us to get more details now!
What is Non-Rotating Casing Float Collar?
A non-rotating casing float collar is a specialized type of float collar used in oil and gas drilling, primarily during cementing operations. Like a standard float collar, its main job is to prevent the backflow of cement and to provide a landing point for cementing plugs. However, what makes it unique is its anti-rotation mechanism.
Features of this non-rotating float collar
- The upper part of the valve is equipped with an anti-rotation disk and a rubber plug, both made from drillable materials.
- The valve body is constructed from phenolic resin, and the spring is made of tin bronze. The overall performance meets the requirements of API RP 10F IIIC standards.
- The internal cementing uses high sulfur-resistant oil well cement, which offers excellent drillability and erosion resistance.
- Thread processing and inspection are performed in accordance with API 5B standards.
- The float shoes and float collars are available in single or double-valve designs. The anti-rotation float collar and float shoes can secure the upper and lower rubber plugs, which saves time when drilling them out.
How It's Different from Other Float Collars
The key difference lies in its design, which is engineered to eliminate rotation. Standard float collars are essentially threaded steel casings with a drillable check valve inside. While they perform their core function of preventing backflow, they don’t have a feature to stop the internal components from rotating when drilled out.
A non-rotating float collar, on the other hand, includes a specific internal profile or “anti-rotation insert.” This feature, which can be shaped like a flower head or have a clutch-type mechanism, mates with a corresponding non-rotating cementing plug. When the plug is released and lands on the collar, the interlocking design locks the plug and the collar together, preventing them from spinning.
data sheet of Non-Rotating Casing Float Collar
| Size (mm) / (in) |
OD (mm) |
ID (mm) |
Length (mm) |
Nozzle ID (mm) |
Thread Type | Pressure (Mpa) |
Weight (KG) |
Part No. |
|---|---|---|---|---|---|---|---|---|
| 140 5-1/2 |
160 | 127.3-118.6 | 500 | 45 | API / Premium Thread | 35 | 36 | FCBCCTNR140 |
| 168 6-5/8 |
187.8 | 153.6-144.1 | 550 | 45 | API / Premium Thread | 35 | 40 | FCBCCTNR168 |
| 178 7 |
200 | 166-150.4 | 550 | 45 | API / Premium Thread | 35 | 54 | FCBCCTNR178 |
| 194 7-5/8 |
219.1 | 178.4-162 | 550 | 45 | API / Premium Thread | 35 | 62 | FCBCCTNR194 |
| 219 8-5/8 |
244.5 | 205.6-190.8 | 550 | 45 | API / Premium Thread | 35 | 70 | FCBCCTNR219 |
| 244 9-5/8 |
269.7 | 226.6-214.3 | 550 | 70 | API / Premium Thread | 35 | 76 | FCBCCTNR244 |
| 273 10-3/4 |
298 | 258.9-242.8 | 550 | 70 | API / Premium Thread | 35 | 96 | FCBCCTNR273 |
| 298 11-3/4 |
323.9 | 281.5-273.6 | 550 | 70 | API / Premium Thread | 35 | 118 | FCBCCTNR298 |
| 340 13-3/8 |
365 | 320.4-313.6 | 550 | 70 | API / Premium Thread | 35 | 146 | FCBCCTNR340 |
| 406 16 |
431.8 | 384.1-381.3 | 600 | 70 | API / Premium Thread | 21 | 180 | FCBCCTNR406 |
| 473 18-5/8 |
508 | 450.9 | 600 | 70 | API / Premium Thread | 21 | 228 | FCBCCTNR473 |
| 508 20 |
531.2 | 485.7-475.7 | 600 | 70 | API / Premium Thread | 21 | 310 | FCBCCTNR508 |
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Non-Rotating Casing Float Collar
why choose puyang zhongshi co ltd?
Premier Authority and Most Capable Supplier in Oilfield
Established in 1996 through the SINOPEC Central Plains Oilfield restructure, Puyang Zhongshi Group Co Ltd operates with a registered capital of 130 million RMB and an annual output of 200 million RMB. We employ over 580 staff, including 160+ technical experts.
Our main product is Oil Machinery, supported by over 10 specialized companies (including cementing tools, pumping units, and wellhead systems) and five international trade departments. For cementing tools, we have a robust monthly capacity of 500 sets of float equipment and 30,000 centralizers.
We have built long-term strategic partnerships across major global markets, including USA, Russia, Kazakhstan, Sudan, Indonesia, Iran, and Venezuela.
fully certified by API & ISO
The API (American Petroleum Institute) certifications our company Puyang Zhongshi Group holds are excellent and position us very strongly in the global oil and gas market. They provide an authoritative, third-party validation of our product quality and system reliability.
Having the API Q1 certification immediately places our company Puyang zhongshi group co ltd in the top tier of suppliers. Many smaller manufacturers only hold ISO 9001, but the Q1 certification signals a commitment to the oil and gas industry’s most demanding quality requirements, especially relevant for services and complex equipment.
Supplier of the SLB, Halliburton & Baker Hughes
We are the stable supplier of the International Big Three—Schlumberger, Halliburton, and Baker Hughes. Our established partnership with these global leaders means our products and services are proven to meet the industry’s most rigorous standards. Our clients include many top oil service companies in the world.
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