SPIDR® - Self Powered Intelligent Data Retriever

SPIDR ProductNo-risk, low-cost, non-intervention well testing. Other companies claim to offer surface pressure measurements for well testing, but only Halliburton can provide a sophisticated conversion of surface data to reservoir conditions, free well test planning, and offer well test analysis with a proven track record.

Conventional Well Testing

  • Pressure Transiet Test (PTA)
    • Buildup/Drawdown Tests
    • Mutli-rate tests
  • Injection Well Testing
    • Water and gas injection well testing
  • Well Surveillance
    • Real time wellhead pressure and temperature surveillance
    • Monitor flowing bottom hole pressure surface
    • Short term or long term monitoring
  • Subsea Well and Pipeline Testing
  • Other Applications that Require High Quality Pressure Data
    • Steam flood well testing (measure rate and pressure)
    • Well integrity, packer leakage testing
    • Decommissioning/plug & abandonment
    • EOR applications

SPIDR Data Chart

Unconventional Well Testing

  • Diagnostic Fracture Injection Testing (DFIT™)
    • Test ultra-low permeability formations in real time for reservoir and formation properties
    • Capture high resolution pressure data and injection rate data
  • Fracture Communication / Interference Monitoring
    • Data used to help determine spacing and volume
    • Real time communication
  • Frac and Post-Frac Pressure Surveillance

Regression Analysis Chart

Reservoir Testing Analysis

  • Accurate Conversion to Downhole Pressures Via Optimized Cullender-Smith Conversion
    For gas wells, Halliburton uses a proprietary modification of the Cullender-Smith routine to convert wellhead pressures to bottom hole pressures (see actual results on page 4). For single-phase oil wells (above the bubble point at wellhead conditions), we use an incompressible-flow model and obtain accurate conversions. For multiphase wells, we have developed proprietary correlations that can handle mist, annular mist, bubble, dispersed bubble, and churn flow. Accuracy of the wellhead-to-downhole conversion varies with the quality of the input data (rates, pressures, and PVT information). But, based on test objectives and well conditions, we can optimize the test procedure to mitigate or eliminate possible sources of error. Also, we estimate the potential range of error before the test, so you can make an informed decision about the best way to test the well.
  • Unconventional DFIT&trade Testing Analysis
    The purpose of the DFIT™ test is to obtain essential reservoir properties in a relatively short period of time.  The DFIT™ is the primary empirical method that helps determine fracture design parameters (i.e. closure time, closure stress, net pressure, fluid efficiency, dominant leak-off mechanisms, etc.). These variables are necessary to define the discrete fracture network model.  If pseudo-radial flow has been achieved, the reservoir pressure and reservoir flow capacity can be determined via After-Closure analysis (ACA). Halliburton is able to provide quick look analysis during a test and perform a full analysis upon completion of a test.
SPIDR Specifications
Full-Scale Pressure 15,000 psi (103 MPa) or 30,000 psi (207 MPa)
Resolution (Internal Transducer) 0.01 psi (68.95 Pa)
Repeatability ≤0.01% of full scale
Hysteresis ≤0.01% of full scale
Linearity ≤0.01% of full scale
Accuracy ≤0.01% of full scale
Thermal Compensation Indicated pressures unaffected by ambient temperature changes within the operating ambient temperature range of 15°F to 180°F (-26°C to 82°C.)
Maximum Memory Capacity 9,000,000 data sets in single-channel mode
4,500,000 data sets in two-channel mode
3,000,000 data sets in three-channel mode
External Transducers Excitation: 5V @ 5mA DC
Signal: 0.8 to 3.2V
Available for pressure, differential pressure, temperature, and turbine flowmeters
Resolution (External Transducers) 1/2,000 Example: 6,000 psi (41.37 MPa) has a resolution of -3 psi (0.02 MPa)
Communication Interface USB, RS-232, INSITE®, Wireless Radio, Internet
Power Supply 3 alkaline "D" cells: life of 9 million samples or 2 years
Pressure Fitting 6,000 and 10,000 psi (41.3 and 68.95 MPa), 1/2-in NPT, 30,000 psi (207 MPa) Autoclave
Dimensions, LxWxH 5-3/4 in. x 5-3/4 in. x 9 in. (146 mm x 146 mm x 229 mm)
Weight 8.5 lb (3.8kg)
Housing Modified cast-aluminum Class 1, Group D enclosure with chemical-resistant finish
Programmable Sample Logic Data storage rate controlled by programmable sample interval and pressure window
Fastest Sample Rate One per second
CSA-Certified "Intrinsically Safe"  
Certified for Sour Service  

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