Product Details
Place of Origin: China,Henan
Brand Name: ZS
Certification: API
Model Number: 4 1/2"~36"
Payment & Shipping Terms
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: nude or wooden case
Delivery Time: 15 work days
Payment Terms: T/T
Supply Ability: 1000sets/month
Application: |
Cement Float |
Condition: |
New |
Warranty: |
1 Year |
Color: |
Silver |
Material: |
Stainless Steel |
Product Name: |
Cement Float Equipment |
Size: |
Customized |
Application: |
Cement Float |
Condition: |
New |
Warranty: |
1 Year |
Color: |
Silver |
Material: |
Stainless Steel |
Product Name: |
Cement Float Equipment |
Size: |
Customized |
Stab-in Casing Float Collar And Float Shoe API or As required
The stab-in float collar and shoe technique is an enhanced approach utilized in drilling operations to cement larger diameter casings. This method entails inserting the drill pipe directly into either the float shoe or collar, enabling cement to be pumped through the drill pipe until it reaches the surface. To ensure precise cement placement, a wiper dart can be employed to displace the cement to the bottom of the drill pipe. Once this is accomplished, the drill pipe is lifted, circulated to ensure proper cement distribution, and subsequently removed from the hole.
It is important to note that when employing the stab-in float collar and shoe method, substantial plugs are necessary to separate the cement from the mud. These plugs, along with any cement present in the casing, must be drilled out. This technique is specifically designed for cementing larger diameter casings that are lowered using drill pipes. Considering the significant displacement volume associated with these larger casings, special considerations must be taken into account throughout the cementing process.
The Stab-in cementing technique utilizes a small diameter inner string of drill pipe to displace cement, which effectively reduces displacement volume behind the cement and minimizes contamination. This approach helps to save time during the drilling operation.
To minimize the need for drill out of cement inside the large casing, the cement top is controlled using displacement fluid in the drill pipe and a plunger valve in the Stab-in Shoe. This ensures accurate displacement and helps to achieve better cement quality. The reduced cement/mud interface area and high flow velocity in the drill pipe help minimize cement contamination, while the short pumping time eliminates the need for cement retarders.
One advantage of the Stab-in method is the reduction in cement volume. Unlike conventional displacement methods that require calculating excess cement factor, the Stab-in method only requires the volume of the drill pipe as excess cement, eliminating the need for large plugs.
By improving displacement accuracy and reducing the need for drill out, the Stab-in method helps to reduce net rig time. Circulating, pumping, and drill-out times are minimized, contributing to overall efficiency.
Another benefit of the Stab-in method is the protection it provides to the casing. Cementing pressures are confined to the drill pipe, similar to a squeeze job, which helps to safeguard the casing.
The Stab-in cementing equipment is available in a range of sizes, from 4-1/2" to 36". Additionally, the Stab-in cement Float Shoe & Collar can be equipped with Double Valve and other customizable combinations to suit specific requirements.
|
Specification (in) |
O.D. (mm) |
Total Length |
I.D. (mm) |
Min.Dia. (mm) |
Connection Type | Working Pressure | |
| Float Collar | 5" | 141.3 | 500 | 110 | 50 | BTC/LTC/BCSG | 35 |
| 5 1/2" | 153.67 | 530 | 112 | 55 | BTC/LTC/BCSG | 35 | |
| 7" | 194.46 | 586 | 162.5 | 77 | BTC/LTC/BCSG | 35 | |
| 9 5/8" | 270 | 720 | 225 | 77 | BTC/LTC/BCSG | 35 | |
| 13 3/8" | 365 | 720 | 319 | 77 | BTC/LTC/BCSG | 35 | |
| 20" | 533.4 | 720 | 475 | 77 | BTC/LTC/BCSG | 35 | |
| Float Shoe |
5" | 140.3 | 495 | 110 | 50 | BTC/LTC/BCSG | 35 |
| 5 1/2" | 153.67 | 514 | 112 | 55 | BTC/LTC/BCSG | 35 | |
| 7" | 194.46 | 533 | 162.5 | 77 | BTC/LTC/BCSG | 35 | |
| 9 5/8" | 269.88 | 550 | 225 | 77 | BTC/LTC/BCSG | 35 | |
| 13 3/8" | 339.7 | 550 | 319 | 77 | BTC/LTC/BCSG | 35 | |
| 20" | 534 | 652 | 475 | 77 | BTC/LTC/BCSG | 35 | |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
