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Echo-dynamometer
GEOSTAR-111

The system is designed to measure liquid level and casing pressure in oil&gas wells and register a surface dynamometer card of the down-hole pumping unit operation.
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Echo-dynamometer GEOSTAR-111 is designed:
– to acquire liquid level and casing pressure in oil wells;
– to register surface dynamometer card of down-hole pumping unit operation;
– to control valves operation;
– to estimate well rate, pumping unit efficiency and BHP data.

System allows to analyze the pump card and to recognize the pump failures and predict the possible faults.

Used by oil production, research and development (R&D) and well logging departments in the oil and gas production companies.
Features
  • Compact and lightweight
  • Wide range of working temperatures (from -40 °С to +50 °С)
  • Wide range of working pressure (up to 40 MPa) and acquiring liquid level (up to 6000 meters)
  • Wireless data transfer using BLE 5.0 (up to 50 meters air link between sensors and controller)
  • On-site results analysis
Dynamometer Testing
Pump card calculation
Estimation the actual flow production of an oil well
Smart checking for SRP valves leakage
Torque graph calculation and CBE analysis
Goodman diagram on API standard
Pressure Transient Analysis
Measuring the casing pressure in the annular space
Registration of the level and pressure build-up and drop curves
Log-log, MDH, Horner analysis
Acoustic Liquid Level Test
Acquiring the static and producing liquid level depth in oil wells
Gaseous liquid column and BHP calculation
Joints-based level calculation and collars data
Acoustic velocity calculation by the composition of the gas mixture
Reports
Malfunctioning report of the pumping unit based on dynamometer card data
Localization of paraffin jams by echogram data
Specification
Registration unit BR-21M
Registration unit is designed for recording, processing and storing echo cards and dynamometer cards, for entering and storing parameters of a well, downhole equipment and setup the modes of operations. Controller has a graphical screen, keyboard and rechargeable battery power supply. It is completed with an insulated cover and a built-in heating system for the graphic screen, a spare set of batteries and a charger for them.

Specification:
  • Communications: Wireless (Bluetooth Low Energy), Cable (optional)
  • Interface / Protocol: RS-485 / Modbus RTU
  • Memory (echo cards / levels / dynamometer cards): 90 pcs. / 2000 pcs. / 160 pcs.
  • Non-stop operation time: ~30 hours
  • Weight, less than: 1.0 kg
  • Overall dimensions: 210x100x40 mm
Wireless Polished Rod Transducer (DN-102R)
Connection type with sensors:Polished Rod Transducer is designed to measure the relative load on the polished rod of the pumping unit and position of the rod in time. It consists of strain gauge and accelerometer sensor. Transducer is clamped to the polished rod below the carrier bar. Relative load and position data allows to obtain the surface dynamometer card, a pump card and valves leakage test.

Specification
  • Type of load cell sensor: Strain gauge
  • Range of load: 0 – 20 000 kg (44 000 lb)
  • Load measurement full-scale error / Load resolution : ± 5,0% / 1 kg (2.2 lb)
  • Type of position sensor: Accelerometer
  • Position measurement range: 0 – 15 meters
  • Position measurement full-scale error / Position resolution: ≤ 5,0% / 2 mm
  • Connection type: Wireless (Bluetooth Low Energy), Cable (optional)
  • Interface / Protocol: RS-485 / Modbus RTU
  • Weight, less than: 600 g
Wireless Horseshoe Dynamometer Transducer (DM-102R)
Horseshoe Dynamometer Transducer is designed to measure the absolute load on the pump rod and has high accuracy.

Specification
  • Type of load cell sensor: Strain gauge
  • Range of load: 0 – 10 000 kg (22 000 lb) | 0 – 20 000 kg (44 000 lb)
  • Load measurement full-scale error / Load resolution : ≤ 1,0% / 1 kg (2.2 lb)
  • Type of position sensor: Accelerometer
  • Position measurement range: 0 – 15 meters
  • Position measurement full-scale error / Position resolution: ≤ 5,0% / 2 mm
  • Connection type: Wireless (Bluetooth Low Energy), Cable (optional)
  • Interface / Protocol: RS-485 / Modbus RTU
  • Weight, less than: 1600 g
Acoustic signal reception unit (UPAS-22/UPASM-01)
The unit is installed on the wellhead branch pipe and use for record pressure signal and its change in real time.

Specification
  • Installation type: Wellhead pipe
  • Range of liquid level: 8 – 6 000 meters
  • Connection thread: NPT 2"
  • Level resolution : ≤ 1 meter
  • Ranges of pressure: 0 – 10 MPa (1450 psi) | 0 – 20 MPa (2900 psi)| 0 – 40 MPa (5800 psi)
  • Pressure measurement full-scale error / Pressure resolution : ± 1,0% / ≤ 0.1 MPa ( 14.5 psi)
  • Connection type: Wireless (Bluetooth Low Energy), Cable (optional)
  • Interface / Protocol: RS-485 / Modbus RTU
  • Weight, less than: 2300 g
Acoustic signal generators (UGAS / Gas Guns)
The units are designed to create a sound wave in wells with or without pressure. Includes a rubber crimped pump as standard for measuring levels up to 1000 meters. Additional equipment may include a hand pump, a compressor or a cylinder with compressed air, which allows you to measure levels up to 4500-6000 meters.

Gas Gun types for wells without pressure
  • Rubber Crimped Pump: 0 MPa (0 psi) | 8 – 2 000 meters
  • Manual Pump: 0 – 0,5 MPa (72.5 psi) | 8 – 4 000 meters
  • Air Car Compressor (GIG-103): 0 – 0,8 MPa (116 psi) | 8 – 4 500 meters
  • Gas Cylinder (GIG-104): 0 – 3 MPa (435 psi) | 8 – 6 000 meters
Gas Gun types for wells with pressure
  • Valve assembly*: 0,1 – 40 MPa (14.5 – 5800 psi) | 8 – 4 500 meters
*The unit is designed to create a sound wave in wells with excess pressure by short-term pressure relief in the annulus.
Software
The software product EDWin is designed to process and analyze data from sensors (level, load, temperature, pressure, flow rate), prepare and print reports, export / import data.
Optional
Microphone-free device for receiving acoustic signals (for wells with pressure up to 40 MPa)
Acoustic pulse generators for deep wells with low or near-zero pressure
Compressed gas equipment
Jacks for extending traverse
Software EDWin
Software EDWin is designed for processing of dynamometer, echo level meter, pressure, power measurements received from GEOSTAR-111/112 device (echo/dynamometer system).

Software can perform the following operations:
1. Transfer registered data from GEOSTAR-111/112 device to computer.
2. Prepare echo/dynamometer/power cards (view/modify the parameters).
3. Print the large variety of reports such as graphic, table, complex, and statistic ones. The powerful report designer helps to create and modify reports.
4. Export to RTF (Office Word), XLS (Office Excel), JPG image, to the transport format (BND2, EDW), DYN-format and to the customer database (on demand).

Visit the EDWin software page for details

Documentation
Explosion-proof certification
The parts of the GEOSTAR-111 kit comply with the requirements of the technical regulations of the Customs Union TR CU 012/2011 "On the safety of equipment for working in explosive environments". Sensors have an explosion-proof mark 1 ExibIIBT3" and are permitted for use in explosive areas, ClassB-1, B-1g with explosive mixtures of categories IIA and IIB, groups T1 - T3.