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Drill floor manipulator specifications

Comprehensive Technical Reference Table – Drill Floor Manipulator Specifications

Parameter Typical Range / Value Notes / Industry References
Pipe diameter range 2-⅜″ – 20″ (60–508 mm) Jereh: 60-254mm for hanging type; KERUI: 88.9–140mm; Nabors iRacker: up to 20″
Grab load / Max. capacity 3–68 kN (300–15,300 lb) KERUI TPG-3: 3t grab load; Jereh hanging: 68,000N lifting capacity
Maximum thrust 350–4,000+ N KERUI: 350kg; Beiheng: ≥4000 N
Working radius 3–4 meters (9.8–13.1 ft) KERUI: 3m; Beiheng: ≥4000mm; FET FH-100 manipulator reach: 3.28m
Positioning accuracy ±2 – ±5 mm Nabors DFR-1500: ±2mm at 25% load, ±5mm at max load; Jereh: ±3 mm
Repeatability ±1 mm Nabors DFR-1500
Operation cycle time ≤45 seconds Jereh monkey board manipulator: 35s; Beiheng: ≤45s per cycle
Control integration Profibus, PROFINET, EtherNet/IP, Modbus TCP, discrete I/O Beiheng: PROFIBUS-DP for integrated management and control
Drive type Hydraulic / Electric / Electro-hydraulic Nabors DFR-1500: all electric; KERUI: hydraulic
Hydraulic pressure 15–21 MPa KERUI TPG-3: 15MPa; FET FH-100 HPU: 2,800 psi (approx. 19.3MPa)
Hydraulic flow 50–120 L/min Beiheng: ≥50 L/min; FET FH-100: 94 L/min
Degree of protection IP55 / IP56 KERUI: IP55; Beiheng: IP56
Ambient temperature (standard) -20°C to +55°C API standard range
Ambient temperature (Arctic option) -40°C to +55°C KERUI TPG-3 rated to -40°C
API compliance API 7K, API 4F Jereh manipulators conform to API 4F; FET iron roughnecks to API 7K
Explosion-proof rating (optional) Ex d IIB T4 Beiheng: ExdIIBT4


Product Types – Drill Floor Manipulator Classifications

1. Floor-Mounted Push-Support Manipulators

Mounted on the drill floor. Extend from a fixed base to guide pipe from mousehole or catwalk to well center. Work in coordination with monkey board manipulators to handle stands.

  • Typical pipe range: 2-⅞″ – 10″

  • Maximum thrust: 4,000 N

  • Working radius: ≥4,000 mm

  • Positioning accuracy: ±3 mm

  • Best for: Land drilling rigs requiring full floor automation; complements iron roughneck

Source: Chinese drilling automation procurement specifications and Beiheng technical datasheet

2. Monkey Board (Racking Platform) Manipulators – Push-Support Type

Installed on the monkey board in the derrick. Reach out to grab stands from fingerboards and move them to well center. Lightweight, modular design.

  • Pipe range (workover): 2-⅜″ – 3-½″

  • Pipe range (drilling): 4-½″ – 7″

  • Capacity (drilling): Up to 6,500 N (1,460 lb)

  • Stand type: Dual joints (workover) / triple joints (drilling)

  • Operation period: 35 seconds (adjustable)

  • Movement axes: Three-axis (slide, rotate, telescope)

  • Control: Automatic & manual

  • Drive: Electric

Source: Jereh oilfield equipment monkey board manipulator specifications

3. Monkey Board Manipulators – Hanging Type (Heavy-Duty)

Suspended from derrick structure. Eliminates need for separate floor manipulator. Can be raised on rig as a whole—no installation/removal at height.

  • Pipe range: 4-½″ – 10″ (114–254 mm)

  • Stand type: Triple joints

  • Lifting capacity: 68,000 N (15,287 lb)

  • Operation period: 75 seconds (adjustable)

  • Drive: Hydraulic

  • Best for: Heavy offshore rigs, large-diameter casing

Source: Jereh hanging monkey board manipulator specifications

4. Fully Autonomous Triple Racking Systems

Complete floor automation package including iRacker®, floor wrench, automated catwalk, electric drill floor arm.

  • Tubular capacity: Up to 20″ diameter

  • Hands-free operation: Completely unmanned pipe handling

  • Functions: Offline stand building, pipe weighing, length measurement, automatic diameter detection

  • Controls: SmartROS® integration, driller’s cabin operation

  • Best for: Fully automated drilling rigs; any AC rig

Application Fields – Matching Manipulator Specifications to Operation

🛢️ Land Drilling (ZJ40–ZJ90 Rigs)

  • Primary manipulator: Floor-mounted push-support (2-⅞″–10″ range)

  • Supporting equipment: Monkey board manipulator (push-support type, electric drive)

  • Typical performance: 35-second operation cycle, ±3 mm positioning accuracy

  • Why it matters: Reduces connection time by 30–40%; removes crew from between pipe stands

🔧 Workover Operations (XJ Series)

  • Primary manipulator: Monkey board manipulator (lightweight, push-support type)

  • Pipe range: 2-⅜″ – 3-½″ (tubing)

  • Operation period: 35 seconds per stand

  • Control: Automatic/manual with visualized monitor system

  • Why it matters: One driller can manage tripping operations; reduces crew count from 5 to 2–3 personnel

🌊 Offshore Rigs (Jackup, Semisubmersible, Drillship)

  • Primary manipulator: Hanging monkey board manipulator or iRacker® system

  • Pipe range: 4-½″ – 10″ (up to 20″ for iRacker)

  • Capacity: 68,000 N for hanging type

  • Why it matters: Offshore space is limited; reducing crew on drill floor is a direct safety benefit

🧊 Arctic and Remote Land Drilling

  • Critical specification: Low-temperature rating (-40°C to -45°C)

  • Key features: Cold-hardened hydraulic fluids, impact-tested steel, heated enclosures

  • Proven deployment: KERUI manipulator rated -40°C to +55°C; SJ Petro low-temperature drilling rigs operating for Rosneft

  • Why it matters: Hydraulic systems freeze; steel becomes brittle. Standard manipulators fail. Arctic-rated specifications are not optional.

Why Choose SJ Petro for Drill Floor Manipulator Integration?

🏭 We Build the Rig – You Choose the Manipulator

SJ Petro does not compete with every manipulator manufacturer. We design and manufacture the platform—ZJ series AC VFD drilling rigs (ZJ40 through ZJ90) and XJ series workover rigs. Our structures are built to API 4F and API 7K standards, ensuring that manipulators from leading suppliers (KERUI, Jereh, Nabors, FET) mount directly without field modifications.

✅ API 7K and API 4F Certified – Your Manipulator Compatible

Our drilling rigs are API 7K and API 4F certified, with full documentation for third-party inspection. When you specify a manipulator, you can be confident that its mounting interface, control integration, and structural loads are compatible with SJ Petro substructures.

❄️ Arctic-Rated Drilling Rigs – Proven in Siberia

We have delivered 11 low-temperature drilling rigs to Rosneft in Russia and three ZJ40 cold-weather drilling rigs to Orienburg Drilling Company. Our rigs operate reliably at -45°C continuous, with storage to -60°C. We operate one of China’s few national-level low-temperature impact testing laboratories—ensuring that the platform onto which your manipulator mounts will not become brittle in extreme cold.

🔧 Control Integration – One Driller, One Interface

Your drill floor manipulator does not operate in isolation. It must communicate with the iron roughneck, power catwalk, top drive, and drawworks. SJ Petro provides the control backbone—PLC-based, with Profibus, PROFINET, or EtherNet/IP integration. The driller controls the entire floor from a single HMI.

🌍 Global Export Experience – 30+ Countries

SJ Petro equipment is operating in over 30 countries including the United States, Canada, Russia, Kazakhstan, the Middle East, and Southeast Asia. Our export team handles customs clearance, third-party inspections, and GOST certification packages for Russian and Eurasian markets.

Frequently Asked Questions (FAQ)

Q1: What is the typical maximum pipe diameter for a drill floor manipulator?

A: Standard floor-mounted push-support manipulators handle 2-⅞″ to 10″ (73–254 mm) pipe diameters. For larger casing up to 20″, fully autonomous triple racking systems like the iRacker® are available.

Q2: What API standards apply to drill floor manipulators?

A: Manipulators installed on monkey boards must comply with API 4F (structures). Iron roughnecks and related pipe handling equipment are covered by API 7K (drilling equipment). SJ Petro rigs are API 7K and API 4F certified.

Q3: What positioning accuracy can I expect from a modern manipulator?

A: High-end systems achieve ±2 mm at partial load and ±5 mm at maximum load (Nabors DFR-1500). Mid-range manipulators typically achieve ±3 mm positioning accuracy (Beiheng, Jereh).

Q4: Can SJ Petro supply drill floor manipulators directly?

A: SJ Petro specializes in drilling rig platforms—the mast, substructure, drawworks, and control system. For the specific category of manipulators, we work with leading suppliers (KERUI, Jereh, Nabors, FET) to integrate their equipment onto our rigs. This gives you the best of both worlds: an SJ Petro rig with the manipulator brand you prefer.

Q5: What is the operating temperature range for standard vs. Arctic-rated manipulators?

A: Standard manipulators operate from -20°C to +55°C. Arctic-rated manipulators (such as KERUI TPG-3) are designed for -40°C to +55°C. SJ Petro’s low-temperature drilling rigs support -45°C continuous operation.

Q6: How does a floor-mounted manipulator coordinate with a monkey board manipulator?

A: The floor manipulator positions the pipe at well center or mousehole; the monkey board manipulator reaches out to grab the stand from the fingerboard and aligns it with the floor manipulator. Control systems interlock to prevent movement conflicts.

Q7: What control integration options are available for manipulators?

A: Common industrial protocols include PROFIBUS-DP, PROFINET, EtherNet/IP, and Modbus TCP. Some manipulators also offer discrete I/O for simpler integration with older rig control systems.

Q8: What is the typical lead time for a drilling rig with integrated manipulator?

A: For a complete SJ Petro ZJ series rig with manipulator integration, lead time is 8–12 months from order confirmation to FOB port shipment. Manipulator availability varies by manufacturer—coordinate with SJ Petro early in your procurement cycle.

Q9: Can I retrofit a manipulator to an existing SJ Petro rig?

A: Yes. Many SJ Petro rigs currently in the field are capable of manipulator retrofit. Our engineering team can perform a site survey, assess structural compatibility, and design mounting brackets and control interfaces. Lead time for retrofit: 6–8 months depending on rig age and condition.

Q10: Do you provide training for manipulator operation and maintenance?

A: Yes. Our standard rig supply includes on-site training for drillers and maintenance crews on integrated control system operation, including manipulator interfaces. For manipulator-specific training (repair of grippers, hydraulic cylinder service, sensor calibration), we coordinate with the manipulator manufacturer’s training team.

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