Description
DH Single Arm Lifting Ring API 8C for Oilfield Lifting
SGPE manufactures the DH Single Arm Lifting Ring for oilfield lifting, elevator suspension and rig floor tubular handling. This API 8C lifting accessory connects the traveling block hook or top drive with the elevator, allowing rig crews to handle drill pipe, casing, tubing and other oilfield tubulars during drilling, workover and well service operations.
The DH lifting ring follows API Spec 8C and GB/T 19190 requirements for oilfield hoisting and lifting equipment. It fits petroleum drilling, casing running, tubing handling, workover, well servicing and cementing support applications where the rig floor requires a stable elevator connection.
During operation, the upper end connects to the traveling block hook or top drive. The lower end connects to the elevator. As the hoisting system lifts, the lifting ring transfers load through the rig floor lifting system and supports controlled lifting, holding and positioning of tubular goods.
SGPE supplies DH Single Arm Lifting Rings from 50 tons to 1000 tons. Standard models include DH50, DH75, DH100, DH150, DH250, DH350, DH500, DH750 and DH1000. SGPE can also customize lifting ring length according to elevator type, rig layout, working height and field operating conditions.
For drilling contractors, workover companies, well servicing operators and oilfield equipment suppliers, this single arm lifting ring offers a practical solution for API 8C elevator lifting applications. It improves equipment matching between the rig hoisting system, elevator rating and tubular handling requirements in demanding oilfield environments.
What Is a DH Single Arm Lifting Ring?
A DH Single Arm Lifting Ring is a load-bearing oilfield lifting accessory for elevator suspension on drilling rigs, workover rigs and well servicing units. Rig crews install it between the traveling block hook or top drive and the elevator to support tubular handling on the rig floor.
In oilfield operations, elevators grip, lift and position tubular goods such as drill pipe, casing, tubing and workover strings. The DH lifting ring connects the elevator with the hoisting system, so crews can handle tubulars with better control during drilling, casing running and well service tasks.
This product belongs to API 8C oilfield hoisting and lifting equipment. Different rigs may use different elevator types, hook arrangements, top drive systems and working heights. For this reason, SGPE offers standard models and custom length options to meet different project requirements.
A properly selected lifting ring improves equipment matching and supports safer load transfer. For reliable field use, crews should follow rated load limits, inspection requirements and approved rig lifting procedures.
Key Features of DH Single Arm Lifting Ring
API Spec 8C and GB/T 19190 Manufacturing
SGPE manufactures the DH Single Arm Lifting Ring according to API Spec 8C and GB/T 19190 requirements. These standards support quality control for oilfield hoisting equipment and lifting tools. The product fits drilling, workover, well servicing and casing running projects that require qualified API 8C oilfield lifting equipment.
Stable Elevator Suspension
This lifting ring connects the traveling block hook or top drive with the elevator. The structure supports stable elevator suspension during drill pipe handling, casing running, tubing handling and other rig floor tubular operations.
Rated Load from 50 Tons to 1000 Tons
SGPE offers multiple rated load options, including 50 tons, 75 tons, 100 tons, 150 tons, 250 tons, 350 tons, 500 tons, 750 tons and 1000 tons. Customers can choose the right model according to elevator rating, rig hoisting capacity, tubular size and field working conditions.
Suitable for Oilfield Tubular Handling
The DH lifting ring supports oilfield applications involving drill pipe, casing and tubing handling. It works with elevators during petroleum drilling, workover service, well servicing, casing string handling and cementing support operations.
High-Strength Steel Structure
SGPE uses selected high-strength steel materials to support load-bearing performance and long service life. The heavy-duty structure suits repeated lifting cycles, tough rig floor environments and demanding oilfield working conditions.
Custom Length for Different Rig Layouts
Different drilling rigs and workover rigs may need different lifting ring lengths. SGPE can provide custom lengths according to rated load, elevator type, rig layout, operating height and customer drawings. This makes it easier to match the lifting ring with existing hoisting equipment and rig floor workflows.
Practical Rig Floor Handling
The single arm structure gives crews a clear and direct connection method when they use matched elevators and approved hoisting equipment. Crews can prepare lifting operations more efficiently during drilling, casing running, workover and well service work.
Main Technical Parameters
| Specification | DH50 | DH75 | DH100 | DH150 | DH250 |
|---|---|---|---|---|---|
| Rated Load, tons | 50 | 75 | 100 | 150 | 250 |
| Rated Load, kN | 445 | 640 | 890 | 1340 | 2230 |
| Standard Length, mm | 1100 | 1500 | 1500 | 1800 | 2700 |
| Specification | DH350 | DH500 | DH750 | DH1000 |
| Rated Load, tons | 350 | 500 | 750 | 1000 |
| Rated Load, kN | 3120 | 4450 | 6670 | 8900 |
| Standard Length, mm | 3300 | 3600 | 4570 | 4880 |
Note: SGPE can customize the length of the DH Single Arm Lifting Ring according to customer requirements. Customers should confirm final dimensions, connection details and technical requirements according to rated load, elevator model, rig hoisting system and operating conditions.
How the DH Single Arm Lifting Ring Works
The DH Single Arm Lifting Ring works as a load-bearing link in the rig hoisting system. During operation, the upper end connects to the traveling block hook or top drive. The lower end connects to the elevator used for drill pipe, casing, tubing or other oilfield tubulars.
When the hoisting system lifts the elevator, the lifting ring transfers load between the hook or top drive and the elevator. This structure allows the crew to lift, hold and position tubulars during petroleum drilling, workover, well servicing, casing running and cementing support operations.
The selected model must match the rated load of the elevator and rig hoisting equipment. Before operation, the crew should check the rated load, connection surface, wear condition, deformation, cracks and equipment matching. Operators should also follow site lifting procedures and avoid overload.
This API 8C single arm lifting ring does not replace correct operation or regular inspection. Instead, it supports reliable hoisting performance when crews select the correct model, install it correctly and use it within the approved rated load.
Applications in Oilfield Operations
The DH Single Arm Lifting Ring suits oilfield lifting operations where crews use elevators and tubular handling tools on the rig floor. It serves drilling contractors, workover service companies, well servicing units, casing running teams and oilfield equipment users that need API 8C elevator lifting equipment.
Petroleum Drilling Operations
In petroleum drilling operations, rig crews use the DH lifting ring to support elevator suspension for drill pipe, casing and other tubular handling tasks. It connects the elevator to the traveling block hook or top drive during routine drilling rig operations.
Workover Operations
During workover operations, the lifting ring allows crews to lift, hold and position tubing, drill pipe and workover tools. It supports load transfer during well intervention, well repair and maintenance work.
Well Servicing Operations
Well servicing units often handle tubing, tools and related rig floor equipment. This single arm lifting ring provides a dependable lifting connection for elevator suspension and tubular handling in oilfield service environments.
Casing Running Operations
Casing running operations require stable elevator handling because crews need to lift and position casing strings accurately. SGPE offers different rated load models to match casing handling requirements, elevator ratings and rig hoisting capacity.
Tubing Handling Operations
In tubing handling operations, the lifting ring supports elevator connection and load transfer during workover and well service tasks. It allows crews to handle tubing safely when they use matched elevators, approved hoisting equipment and correct operating procedures.
Cementing Support Operations
During cementing support work, crews may need elevator suspension for tubulars or related handling equipment. The DH lifting ring supports controlled load handling around cementing operations when the application stays within the rated load and approved conditions.
Rig Floor Elevator Suspension
The lifting ring also supports rig floor tasks related to elevator suspension and tubular handling. It connects the hoisting system with the elevator and supports steady lifting for drill pipe, casing and tubing operations.
Model Selection Guide
Choosing the correct DH Single Arm Lifting Ring starts with rated load. The selected model must match the elevator rating and rig hoisting capacity. Customers should also consider tubular size, operation type, rig layout, working height and connection requirements.
For lighter rig floor lifting needs, customers may choose DH50, DH75 or DH100 according to elevator rating and operating conditions. For heavier drilling, casing running or workover applications, customers may need DH150, DH250, DH350, DH500, DH750 or DH1000.
A correct selection matches the lifting ring with the real field application. It also reduces equipment mismatch risks and gives the purchasing team clearer technical requirements. Before quotation, customers can provide the following information:
- Rated load requirement
- Elevator model
- Rig type
- Standard or custom length
- Top drive or traveling block hook arrangement
- Tubular type
- Application
- Operating environment
- Special connection dimensions, if any
With these details, SGPE can recommend a suitable API 8C single arm lifting ring for drilling rigs, workover rigs, well servicing units and casing running jobs.
Customization Options
Oilfield projects often require different lifting ring lengths because rig layouts, elevator types and operating heights vary. SGPE supports custom DH Single Arm Lifting Ring solutions according to project requirements.
Customers can request custom length, connection dimensions or drawing-based production. SGPE can review the rated load, elevator matching details, rig hoisting system and field conditions before confirming the final solution.
Custom lifting ring length can improve equipment compatibility on the rig floor. It also allows customers to match existing elevators, traveling block hooks, top drive systems and tubular handling workflows. For better selection, customers can share drawings, photos, equipment models or site requirements when available.
Quality and Safety Considerations
The DH Single Arm Lifting Ring plays an important role in oilfield lifting operations. Operators should select the model according to rated load, working conditions, elevator rating and matching hoisting equipment.
Before each operation, crews should inspect the lifting ring carefully. They should check visible wear, cracks, deformation, connection surfaces and abnormal marks. They should also confirm that the lifting ring matches the elevator, traveling block hook or top drive.
Operators should never use the lifting ring beyond the rated load. They should follow rig safety procedures, inspection rules and lifting operation requirements. Regular inspection, correct installation and proper load matching improve lifting safety during petroleum drilling, workover, well servicing and casing running operations.
Customers may also discuss inspection documents, quality records or order-specific technical requirements with SGPE before ordering. This allows both sides to confirm project needs clearly before production and delivery.
Advantages of SGPE DH Single Arm Lifting Ring
Built for Demanding Oilfield Conditions
Drilling, workover and well servicing environments involve heavy loads, repeated lifting cycles and tough field conditions. SGPE DH Single Arm Lifting Rings deliver dependable load-bearing performance for these oilfield applications.
Wide Rated Load Coverage
SGPE supplies rated load options from 50 tons to 1000 tons. This range gives customers more flexibility when selecting lifting rings for drilling rigs, workover rigs, well servicing units and casing running operations.
Smooth Load Transfer
The lifting ring transfers load between the traveling block hook or top drive and the elevator. It supports steady elevator lifting during drill pipe handling, casing running, tubing handling and other oilfield tubular operations.
Better Equipment Matching
SGPE can recommend models according to elevator rating, rig hoisting capacity, required length and operating environment. This allows customers to match the lifting ring with existing oilfield equipment and reduce selection errors.
Flexible Custom Length Support
Different rig floors need different lifting ring lengths. SGPE can provide customized lifting ring dimensions according to customer drawings, elevator matching requirements and rig layout.
Suitable for Multiple Oilfield Applications
One DH Single Arm Lifting Ring product series can serve many oilfield applications, including petroleum drilling, casing running, tubing handling, workover, well servicing and cementing support. This makes it a practical choice for oilfield tubular handling systems.
Why Choose SGPE?
SGPE focuses on oilfield equipment for drilling, workover and well servicing operations. For the DH Single Arm Lifting Ring, SGPE supports customers not only with product supply, but also with model selection, dimension confirmation and application matching.
Before quotation, SGPE can help customers check key details such as rated load, elevator model, rig layout, connection requirements and operating conditions. This process gives buyers a clearer way to choose the correct API 8C lifting ring for their drilling rig, workover rig or well servicing unit.
When customers need custom lifting ring length or drawing-based production, SGPE can review technical details and provide a practical solution. This support reduces communication gaps and helps purchasing teams prepare more accurate order requirements.
For B2B oilfield buyers, proper selection matters as much as product quality. SGPE helps customers confirm the details that affect field use, equipment matching and quotation accuracy. As a result, customers can receive a lifting ring solution that better fits their oilfield lifting application.
Frequently Asked Questions About DH Single Arm Lifting Ring
1. What is a DH Single Arm Lifting Ring?
A DH Single Arm Lifting Ring is an API 8C oilfield lifting accessory for elevator suspension and rig floor tubular handling. Rig crews use it to connect the traveling block hook or top drive with the elevator during drilling, workover, well servicing and casing running operations.
It transfers load through the rig hoisting system and supports stable lifting of drill pipe, casing, tubing and related oilfield tubulars. Drilling contractors, workover companies and well service operators often choose it for demanding rig floor lifting applications.
2. What is the DH Single Arm Lifting Ring used for?
Rig crews use this lifting ring to suspend elevators and support tubular handling tasks on drilling rigs, workover rigs and well servicing units. It works with elevators during drill pipe handling, casing running, tubing handling, workover operations and cementing support work.
In daily oilfield operations, the lifting ring allows crews to lift, hold and position tubular goods more steadily. It also provides a dependable connection between the hoisting equipment and the elevator when the operation requires controlled load handling.
3. Is the DH Single Arm Lifting Ring API 8C compliant?
Yes. SGPE manufactures the DH Single Arm Lifting Ring according to API Spec 8C and GB/T 19190 requirements for oilfield hoisting and lifting equipment. These requirements cover important aspects of design, manufacturing, inspection and load-bearing performance.
This makes the product suitable for drilling, workover, well servicing and casing running projects that require API 8C lifting equipment. Customers can also confirm technical details with SGPE before ordering.
4. How does the lifting ring work with an elevator?
The upper end connects to the traveling block hook or top drive. The lower end connects to the elevator. During lifting, the rig hoisting system pulls the elevator through the lifting ring and supports tubular handling on the rig floor.
This structure allows the elevator to lift and position drill pipe, casing or tubing during drilling and well service operations. The single arm design also gives crews a straightforward connection method when they use matched elevators and approved hoisting equipment.
5. What rated loads are available?
SGPE supplies DH Single Arm Lifting Rings with rated loads from 50 tons to 1000 tons. Available models include DH50, DH75, DH100, DH150, DH250, DH350, DH500, DH750 and DH1000.
Customers can select the proper model according to elevator rating, rig hoisting capacity, tubular size, operation type and field working conditions. For better selection, provide the required rated load, elevator model, rig type and standard length before quotation.
6. Can SGPE customize the lifting ring length?
Yes. SGPE can customize the DH Single Arm Lifting Ring length according to customer requirements. Different drilling rigs, workover rigs and well servicing units may need different lengths because of rig layout, elevator type and operating space.
When requesting a custom lifting ring, customers should provide the rated load, required length, elevator matching details and working condition. This information allows SGPE to recommend a suitable API 8C single arm lifting ring for the oilfield lifting application.
7. What equipment does the lifting ring connect to?
The lifting ring connects rig hoisting equipment with the elevator. In most applications, the upper end connects to the traveling block hook or top drive, while the lower end connects to the elevator for drill pipe, casing or tubing handling.
This connection supports oilfield elevator suspension during drilling, casing running, workover and well servicing operations. Before use, operators should check the connection area, rated load, wear condition and matching equipment.
8. What material does SGPE use?
SGPE manufactures the DH Single Arm Lifting Ring from selected high-strength steel materials for load-bearing performance and long service life. The structure suits repeated lifting cycles and tough rig floor environments in petroleum drilling and workover operations.
The material and manufacturing process allow the lifting ring to handle heavy oilfield lifting tasks. Even so, operators should inspect the product regularly and use it only within the rated load and approved operating conditions.
9. How do I choose the correct model?
Start with the required rated load. Then check the elevator rating, rig hoisting capacity, top drive or traveling block hook arrangement, tubular handling requirement and standard length. These details help confirm whether the project needs DH50, DH75, DH100, DH150, DH250, DH350, DH500, DH750 or DH1000.
For a more accurate recommendation, send SGPE your elevator model, rig type, required length, operating environment and application details. This information allows SGPE to match the lifting ring with drilling, casing running, tubing handling or workover service requirements.
10. Where can rig crews use this lifting ring?
Rig crews commonly use this lifting ring on petroleum drilling rigs, workover rigs, well servicing units and rig floors where elevators handle drill pipe, casing or tubing. It also supports casing running operations and cementing support tasks when the operation requires elevator suspension.
Typical applications include drill pipe handling, casing string lifting, tubing handling, well intervention, rig floor tubular movement and oilfield hoisting system support. Therefore, the product suits many oilfield lifting environments that require API 8C elevator lifting equipment.
11. What should operators check before use?
Before each operation, operators should check the rated load, connection surfaces, visible wear, cracks, deformation and other abnormal conditions. They should also confirm that the lifting ring matches the elevator, traveling block hook or top drive, and rig hoisting system.
Operators should follow site safety procedures and avoid overload. Regular inspection, correct installation and proper equipment matching improve lifting safety during drilling, workover, well servicing and casing running operations.
12. What information should I provide for a quotation?
To request a quotation, provide the required rated load, standard or custom length, elevator model, rig type, application and operating conditions. You can also share drawings, connection dimensions or special requirements if your project needs customized oilfield lifting equipment.
With these details, SGPE can recommend a suitable DH Single Arm Lifting Ring for drilling, workover, well servicing, casing running or cementing support operations. This also speeds up model selection and quotation.
Request a Quote for DH Single Arm Lifting Ring
Need API 8C oilfield lifting equipment for drilling, workover, well servicing or casing running operations?
SGPE supplies DH Single Arm Lifting Rings with rated loads from 50 tons to 1000 tons. Custom lengths and specifications are available according to your rig requirements.
E-Mail:
info@sgpe.com
