Description
XQB178/8 Closed-Head Power Tong for Oilfield Workover and Well Servicing
SGPE XQB178/8 Closed-Head Power Tong is a heavy-duty hydraulic power tong for tubing and small casing make-up and break-out on workover rigs, service rigs and oilfield rig floors. It works in the same operating class as the 58-93R Closed-Head Power Tong and handles tubulars from 1 5/16 inch to 7 inch O.D.
Oilfield crews use this closed-head hydraulic tong when they need stable gripping, accurate pipe alignment, controlled torque and faster connection handling. Its closed-head structure keeps tubing or casing centered during rotation, while the two-speed hydraulic drive gives operators fast running speed in high gear and stronger break-out torque in low gear. The cylinder backup tong, adjustable friction clutch, roller-chain final drive and high-strength safety torque arm also make the XQB178/8 a practical choice for demanding rig floor work.
SGPE supplies this model for workover contractors, well servicing companies, drilling support teams, tubing maintenance crews, casing service crews and oilfield equipment rental fleets. It suits tubing thread make-up, tubing break-out, tubing running, tubing pulling, small casing connection work, service rig pipe handling and repeated oilfield tubular connection jobs where safety, speed and connection quality matter.
Product Overview
The XQB178/8 Closed-Head Power Tong gives oilfield operators a practical hydraulic solution for making up and breaking out tubing, casing and other tubular connections. During workover and well servicing jobs, crews often handle repeated pipe connections in limited rig floor space. They also face heavy workloads, strict safety rules and tight job schedules. This hydraulic tubing and casing tong gives them better control over gripping, rotation, torque and pipe alignment while reducing heavy manual tong work.
The closed-head design surrounds the tubular body and keeps it centered inside the tong. This structure allows the master tong and backup tong to work in line with the pipe body. Better centering improves torque transfer, reduces thread damage risk and gives operators more confidence during tubing and small casing service.
The master tong covers 1 5/16 inch to 7 inch O.D., while the backup tong covers 1 5/16 inch to 6 1/8 inch O.D. This working range fits many tubing and small casing sizes used on workover rigs and service rigs. With one XQB178/8 unit, crews can handle different pipe sizes on the same job site and spend less time changing equipment.
SGPE builds this oilfield power tong for practical field use. Its structure combines high and low gear operation, strong torque output, roller-chain final drive, hydraulic control, lubrication protection, overload protection and a high-strength safety torque arm. These features support stable performance during tubing running, tubing pulling, casing connection service and repeated rig floor make-up and break-out work.
Main Applications in Oilfield Workover Service
SGPE XQB178/8 Closed-Head Power Tong works in oilfield workover, well servicing, drilling support and rig floor tubular handling environments. It handles make-up and break-out tasks that require controlled rotation, secure pipe gripping and accurate torque transfer.
Common applications include tubing thread make-up, tubing thread break-out, workover tubing handling, tubing running, tubing pulling, small casing make-up, small casing break-out, service rig pipe handling, petroleum well repair, rig floor tubular connection work and oilfield pipe maintenance.
The XQB178/8 also performs well in field conditions with multiple pipe sizes, frequent connection cycles, compact rig floor layouts or high-torque break-out jobs. Its closed-head structure and hydraulic control system give crews a practical balance of speed, torque, alignment and safety.
Why Choose a Closed-Head Hydraulic Tong?
A closed-head hydraulic tong surrounds the pipe during operation. This structure grips the tubular more securely and keeps it better aligned during rotation. In oilfield workover operations, poor alignment can lead to thread wear, connection damage, unstable torque transfer and avoidable downtime. The closed-head design reduces these risks.
For tubing and small casing service, alignment directly affects connection quality. When the tubular stays centered, the tong rotates more smoothly and transfers torque more evenly. Operators can make up or break out connections with better control and less shock to the thread.
This design also improves rig floor safety. Since the tong controls the pipe more securely, crews can reduce manual handling around the tubular string. This advantage matters during repeated tubing work, heavy service rig jobs and petroleum maintenance operations where safety and efficiency must work together.
Key Advantages
1. Wide Tubular Handling Range
The SGPE XQB178/8 handles tubing and small casing from 1 5/16 inch to 7 inch O.D. with the master tong. The backup tong handles 1 5/16 inch to 6 1/8 inch O.D. This range covers many tubular sizes used on workover rigs and service rigs.
For oilfield service companies, this wide range improves jobsite flexibility. Crews can use the same hydraulic closed-head tong for several tubing and casing connection tasks. As a result, they reduce changeover time and keep rig floor operations moving.
2. Strong Torque for Make-Up and Break-Out
At 2000 psi / 14 MPa, the XQB178/8 delivers 1300 ft-lb / 1763 N·m in high gear and 6000 ft-lb / 8100 N·m in low gear. This torque range suits both efficient running and controlled break-out work.
High gear gives crews faster rotation when the connection does not require maximum torque. Low gear provides stronger output for final make-up, tight connections and difficult break-out conditions. Operators can adjust the tong to each stage of the job instead of relying on one fixed speed.
3. Two-Speed Hydraulic Operation
The XQB178/8 offers high-speed and low-speed operation. High speed supports faster tubing running, while low speed gives operators stronger and more controlled torque for final make-up or break-out.
This two-speed hydraulic system improves field productivity. Crews can run connections quickly, slow down when torque control becomes critical and protect threads during demanding service rig operations.
4. Accurate Pipe Alignment
The closed-head structure keeps tubing or casing aligned with the tong center. Better alignment improves gripping stability and allows the tong to transfer torque more evenly to the connection.
This feature matters during tubing thread make-up because poor alignment can damage threads, reduce connection quality or create rework. By keeping the tubular centered, the XQB178/8 produces smoother connection handling and more consistent make-up results.
5. Lubrication System for Longer Service Life
The tong includes a lubricating device for moving parts. Proper lubrication reduces friction, lowers wear and keeps the equipment running smoothly during repeated rig floor operations.
Oilfield workover jobs often involve frequent start-stop movement, vibration and high mechanical load. Reliable lubrication protects internal components and supports longer service life in demanding field environments.
6. Roller-Chain Final Drive
The XQB178/8 uses a roller-chain drive at the tail end. This drive structure provides stable power transmission during make-up and break-out work.
A dependable final drive matters when the tong handles repeated torque loads. The roller-chain drive allows the unit to maintain steady rotation and support continuous rig floor service.
7. Adjustable Friction Clutch with Overload Protection
The adjustable friction clutch allows smooth gear shifting during operation. Operators can shift between high speed and low speed more conveniently, which keeps the workflow efficient on the rig floor.
The clutch also offers overload protection. When the tong faces abnormal load, the clutch reduces the risk of sudden transmission damage. This design protects key parts, extends component life and improves equipment safety.
8. Reliable Hydraulic Drive and Control System
The XQB178/8 uses selected hydraulic assemblies for the tong drive motor, hydraulic control valves and backup reversing valve. These components improve operating response, control accuracy and field reliability.
Stable hydraulic control allows operators to manage gripping, rotation and torque more effectively. It also delivers smoother performance during repeated tubing and casing make-up and break-out operations.
9. High-Strength Safety Torque Arm
The high-strength safety torque arm absorbs reaction force when the tong applies torque. It keeps the unit stable during high-torque operation and protects both the operator and the equipment.
For workover jobs with tight connections or repeated break-out work, a strong torque arm plays an important role in safe and steady rig floor operation.
10. Cylinder Clamping Backup Tong
The backup tong uses cylinder clamping to hold the pipe securely. This structure prevents unwanted pipe rotation and reduces damage risk to the tubular body during make-up and break-out.
A stable backup tong also improves connection accuracy. While the master tong rotates the upper connection, the backup tong holds the lower pipe section in place. This arrangement allows the tong to transfer torque more effectively.
11. Optional Hydraulic Spring Lift Bucket
SGPE can equip the XQB178/8 with a hydraulic spring lift bucket. This optional device adjusts the tong position for different rig floor heights and pipe handling conditions.
With the lifting device, crews can position the tong more easily around tubing or casing. This reduces labor intensity and improves operating efficiency during tubing running, tubing pulling and small casing service.
Technical Parameters
| Item | Specification |
|---|---|
| Product Name | XQB178/8 Closed-Head Power Tong |
| Comparable Model / Working Class | 58-93R Closed-Head Power Tong |
| Master Tong Application Range | 1 5/16 in to 7 in O.D. / 33.3 mm to 178 mm |
| Backup Tong Application Range | 1 5/16 in to 6 1/8 in O.D. / 33.3 mm to 155.6 mm |
| Torque at 2000 psi / 14 MPa | High Gear: 1300 ft-lb / 1763 N·m |
| Torque at 2000 psi / 14 MPa | Low Gear: 6000 ft-lb / 8100 N·m |
| Max RPM at 32 GPM / 120 LPM | High Gear: 126 rpm |
| Max RPM at 32 GPM / 120 LPM | Low Gear: 27 rpm |
| Recommended Hydraulic Supply | 2000 psi at 33.5 GPM / 14 MPa at 127 LPM |
| Overall Dimension | 51 in x 30 in x 26 in / 1295 mm x 762 mm x 660 mm |
| Weight | 1000 lb / 455 kg |
| Operation Type | Hydraulic |
| Structure Type | Closed Head |
| Main Application | Tubing and small casing make-up and break-out in oilfield workover and well servicing operations |
How the XQB178/8 Improves Workover Efficiency
Workover operations often require repeated connection and disconnection of tubing strings. Manual tong work can slow the job, increase operator fatigue and create additional safety risk. The XQB178/8 hydraulic power tong improves workflow through controlled gripping, stable rotation and reliable torque output.
Operators can use high gear when they need faster running speed. They can switch to low gear when final make-up or difficult break-out requires stronger torque. This combination allows crews to complete more connection cycles in less time while maintaining better control over each tubular connection.
The closed-head structure also keeps the pipe aligned during operation. Better alignment reduces thread damage risk, limits rework and improves connection quality. As a result, the tong delivers better rig floor efficiency and more consistent workover performance.
Designed for Tubing and Small Casing Service
The XQB178/8 covers many tubing and small casing sizes used in oilfield workover and well servicing operations. The master tong handles up to 7 inch O.D., so this model suits heavy-duty tubing jobs and small casing connection work.
The backup tong handles up to 6 1/8 inch O.D. and uses cylinder clamping to secure the pipe. During operation, the backup tong holds the lower pipe section while the master tong applies torque to the upper connection. This setup gives operators better stability during make-up and break-out.
For contractors who need one tong for different service rig jobs, the XQB178/8 offers a practical size range, strong torque output and dependable rig floor performance.
Torque Control for Thread Protection
Thread damage can cause costly delays in oilfield workover operations. Over-torque may damage the connection, while under-torque may create weak connection performance. The XQB178/8 reduces these risks by giving operators better control over speed and torque.
Crews can use high gear for fast rotation and low gear for stronger, more controlled torque. They can also adjust hydraulic pressure and flow according to pipe size, thread type and job requirements. This flexibility matches tong output to actual field conditions.
With correct operation, the XQB178/8 improves thread protection, connection consistency and well servicing reliability.
Built for Safer Rig Floor Operation
Oilfield tubular handling requires safe equipment and disciplined operation. The XQB178/8 improves rig floor safety through several practical design features.
The closed-head structure improves pipe alignment and gripping stability. The high-strength torque arm absorbs reaction force during operation. The backup tong clamps the pipe and controls unwanted rotation. The adjustable friction clutch protects the transmission system from overload. In addition, the hydraulic control system allows operators to manage speed and torque more smoothly.
Together, these features reduce manual handling, lower operating risk and create a more efficient workover environment.
Suitable Customers
SGPE XQB178/8 Closed-Head Power Tong suits workover contractors, oilfield well servicing companies, drilling support teams, tubing maintenance providers, casing service crews and oilfield equipment rental fleets.
Companies that frequently handle tubing and small casing can use this model to improve job efficiency and reduce manual workload. It also fits service rig operations that need a compact but powerful hydraulic tong with stable torque output and a practical tubular handling range.
Because the tong covers multiple pipe sizes, it can support different well service projects and reduce the need for several separate tools.
Common Oilfield Working Conditions
The XQB178/8 power tong supports routine workover operations, tubing replacement, tubing string maintenance, small casing connection service, well repair, tubing running, tubing pulling, thread make-up, thread break-out, rig floor connection work and well servicing maintenance.
It performs especially well when the job requires accurate alignment, controlled torque and safe handling around tubing and casing connections.
Model Selection Guide
To select the correct closed-head power tong for workover service, customers should first confirm the tubular size range. SGPE needs the minimum and maximum O.D. of the tubing or casing. For the XQB178/8, the master tong handles 1 5/16 inch to 7 inch O.D., and the backup tong handles 1 5/16 inch to 6 1/8 inch O.D.
Customers should also confirm the required make-up torque and break-out torque. At 2000 psi / 14 MPa, this model provides 1300 ft-lb / 1763 N·m in high gear and 6000 ft-lb / 8100 N·m in low gear. If the job needs a higher torque range, SGPE can review other hydraulic power tong options.
The hydraulic supply also matters. This model works with 2000 psi at 33.5 GPM, or 14 MPa at 127 LPM. A suitable hydraulic power unit allows the tong to reach stable speed and torque performance.
Before ordering, customers should also confirm backup tong requirements, lift system needs, rig floor layout, quantity, destination port and documentation requirements. SGPE can review these details and recommend the proper configuration.
Why Buy XQB178/8 Closed-Head Power Tong from SGPE?
SGPE focuses on oilfield equipment and petroleum drilling support tools for workover, well servicing and rig floor tubular handling markets. The company supplies hydraulic power tongs, handling tools and related oilfield machinery for customers who need reliable equipment and practical technical support.
When customers choose SGPE XQB178/8 Closed-Head Power Tong, SGPE reviews pipe size, torque requirement, hydraulic flow, backup tong configuration and operating conditions. This support allows customers to choose the right model and avoid selection mistakes.
SGPE also supports customers with product details, quotation, packing information and export service. For petroleum contractors, oilfield distributors and well servicing companies, this service makes purchasing easier and more efficient.
Product Features Summary
SGPE XQB178/8 Closed-Head Power Tong offers closed-head alignment, hydraulic drive, two-speed operation, strong torque output, adjustable friction clutch, roller-chain final drive, reliable lubrication, hydraulic control components, high-strength torque arm, cylinder backup tong and optional hydraulic spring lift bucket.
These features make it a practical choice for tubing and small casing make-up and break-out in oilfield workover and well servicing applications.
Frequently Asked Questions About Closed-Head Power Tong
1. What is the XQB178/8 Closed-Head Power Tong used for?
The XQB178/8 Closed-Head Power Tong makes up and breaks out tubing and small casing connections during oilfield workover, well servicing and rig floor tubular handling operations. Operators use it for tubing running, tubing pulling, casing connection service, well maintenance and repeated pipe connection work. For contractors who handle many tubing joints in one job, this hydraulic power tong improves efficiency and reduces heavy manual tong work.
2. What pipe size range does the XQB178/8 Closed-Head Power Tong handle?
The master tong handles tubulars from 1 5/16 inch to 7 inch O.D., or 33.3 mm to 178 mm. The backup tong handles tubulars from 1 5/16 inch to 6 1/8 inch O.D., or 33.3 mm to 155.6 mm. This range covers many common tubing and small casing sizes used in workover and well servicing operations, so crews can reduce equipment changes on the rig floor.
3. Is the XQB178/8 similar to the 58-93R Closed-Head Power Tong?
Yes. The XQB178/8 serves the same working class as the 58-93R Closed-Head Power Tong. It supports similar tubing and small casing make-up and break-out applications in oilfield service. Customers often compare these models when they need a closed-head hydraulic power tong for workover rigs or service rigs.
4. What is the torque range of the XQB178/8 hydraulic power tong?
At 2000 psi / 14 MPa, the XQB178/8 delivers 1300 ft-lb / 1763 N·m in high gear and 6000 ft-lb / 8100 N·m in low gear. High gear supports faster tubing running, while low gear provides stronger torque for final make-up and difficult break-out. This two-speed torque range allows operators to match tong output to pipe size, thread condition and field requirements.
5. What is the operating speed of the XQB178/8 Closed-Head Power Tong?
At 32 GPM / 120 LPM, the XQB178/8 reaches 126 rpm in high gear and 27 rpm in low gear. High speed improves running efficiency when the connection does not need maximum torque. Low speed gives operators more control during final make-up, tight connection handling and break-out operations.
6. What hydraulic supply does the XQB178/8 power tong require?
The recommended hydraulic supply for the XQB178/8 is 2000 psi at 33.5 GPM, or 14 MPa at 127 LPM. A suitable hydraulic power unit supports stable speed, strong torque and smooth operation. Before ordering, customers should confirm hydraulic pressure, flow rate, hose connection and field power layout.
7. Why does the closed-head design matter in workover operations?
The closed-head design keeps tubing or casing centered during make-up and break-out. Better centering improves pipe alignment, supports stable gripping and transfers torque more evenly to the connection. In workover jobs, poor alignment can cause thread wear, connection damage or unstable torque performance. A closed-head power tong gives crews better control during repeated tubing and casing connection work.
8. How does the backup tong improve make-up and break-out performance?
The backup tong holds the lower pipe section while the master tong rotates the upper connection. This arrangement prevents unwanted pipe rotation and improves torque transfer. The XQB178/8 uses cylinder clamping for the backup tong, so it grips the tubular securely and reduces pipe body damage risk. During tubing make-up, tubing break-out and small casing connection work, a stable backup tong improves accuracy and safety.
9. Can the XQB178/8 reduce thread damage?
Yes. The XQB178/8 reduces thread damage risk through better alignment, stable gripping and controlled torque. The closed-head structure keeps the pipe centered, while the two-speed hydraulic system allows operators to choose faster rotation or stronger low-speed torque as the job requires. When crews match tong output to pipe size, thread type and torque requirement, they can reduce over-torque, poor make-up and unnecessary thread wear.
10. What type of oilfield companies usually use this power tong?
The XQB178/8 Closed-Head Power Tong suits workover contractors, well servicing companies, drilling support teams, tubing maintenance providers, casing service crews and oilfield equipment rental fleets. It works well for companies that frequently handle tubing and small casing on workover rigs or service rigs. Its size range and torque output make it suitable for repeated make-up and break-out work.
11. Can SGPE supply the XQB178/8 with a hydraulic spring lift bucket?
Yes. SGPE can equip the XQB178/8 Closed-Head Power Tong with an optional hydraulic spring lift bucket. This device adjusts the tong position for different rig floor heights and pipe handling conditions. It makes tong positioning easier during tubing running, tubing pulling and small casing service. For workover sites that need frequent height adjustment, the lift bucket can reduce labor intensity and improve operating efficiency.
12. What information should customers provide before requesting a quotation?
Customers should provide the tubing or casing O.D. range, thread type, required make-up torque, required break-out torque, hydraulic pressure, hydraulic flow rate, backup tong requirement and lift bucket requirement. They should also share quantity, destination port and documentation needs. With these details, SGPE can review the application, confirm whether the XQB178/8 fits the job and provide suitable model selection support.
Request a Quote from SGPE
If you need a reliable XQB178/8 Closed-Head Power Tong, 58-93R type closed-head tong, hydraulic tubing power tong, casing power tong or oilfield workover power tong for workover and well servicing operations, SGPE can help you choose the right configuration.
SGPE XQB178/8 Closed-Head Power Tong gives oilfield crews a dependable solution for tubing and small casing make-up and break-out work. With wide size coverage, strong torque, two-speed operation and stable closed-head alignment, it improves workover efficiency, connection quality and rig floor safety.
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