API Positive Straight Bow Casing Centralizer
Product Description
1. Type: Positive, straight bow casing centralizer
2. Materials: Carbon steel, alloy steel, or others as required
3. Standards: API, or others as required
4. Specifications: 5 1/2''---20'', or others as required
5. Introduction
Casing centralizers are used to help center the casing in wellbore, allowing even distribution of the cement around casing during cementing operations, more suitable for vertical well.
The positive casing centralizers are uniquely designed with flat bottom U profile of different depths permitting maximum fluid passage.
6. Application
1) Used in most types of wells;
2) Most suited for horizontal and directional well designs;
3) favorable in cased hole situation.
7. Characteristics:
1) With straight bows for casing operations, this centralizer provides extremely high stand-off (concentricity) when run inside;
2) Permit maximum fluid passage;
3) The installation is very convenient by setting two halves on the piece and inserting the pin in the end collar hinge;
4) The disassembled centralizers make a compact package, greatly reducing shipping cost.
Product Parameters
8. Parameters
Model
(in) |
Hooping In-Dia. (mm) |
Hooping thickness(mm |
Total length
(mm) |
Max.Out-Di
(mm) |
Amount of spring(mm) |
| 5-1/2" x 8-1/2" |
142-148 |
3-5 |
650±50 |
225±5 |
5 |
| 7" x 9-5/8" |
181-186 |
3-5 |
650±50 |
255±5 |
6 |
| 7" x 8-1/2" |
181-186 |
3-5 |
650±50 |
235±5 |
6 |
| 8-5/8 x 12-1/4" |
223-228 |
3-5 |
650±50 |
330±5 |
8 |
| 9-5/8 x 12-1/4" |
250-255 |
3-5 |
650±50 |
330±5 |
8 |
| 10-3/4 x 12-1/4" |
274-276 |
3-5 |
650±50 |
330±5 |
9 |
| 13-3/8"x17-1/2" |
342-347 |
3-5 |
650±50 |
450±5 |
11 |
| 18-5/8"x24" |
475-477 |
3-5 |
600±50 |
610±5 |
12 |
| 20"x26" |
509-511 |
3-5 |
600±50 |
660±5 |
12 |
Company Profile
Our team
Zhengzhou Maierda Petroleum Equipment Co., Ltd., located in Central China, is a professional supplier of oilfield equipment and tools.
Our factories has more than 15 years experiences of manufacturing oilfield equipment and tools.
Our sales team has more than 10 years importing exporting experiences in oil & gas industry.
Our products
We are specialized in such as casing centralizers, float collars and float shoes, cementing plugs, cement baskets, cementing heads, stage collars, sucker rods, drill pipes, drill collars and pumping units
our products are well sold in Mideast, North America, Latin America, Central Asia, Southeast Asia, Russia, North Africa, etc.
We are committed to providing high-quality and cost-effective products and services to our customers.
Our services
We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry. We are professional in many kinds of casing centralizers, float collars and float shoes, cementing plugs, cement baskets, cementing heads, stage collar, sucker rods, drill pipes, dill collars, etc.
Let's join hands and work together to create a better future!
Detailed Photos
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